Go Problem & Pro Game Journal

Create a study plan, track your progress and hold yourself accountable.
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Shaddy
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Re: Go Problem & Pro Game Journal

Post by Shaddy »

Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Black to play
$$ | . . . . . . . . . . .
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$$ | . . . . . . . . . . .
$$ | . 9 X X . . . . . , .
$$ | . 3 O O X X X . . . .
$$ | 7 4 5 6 O O X . . . .
$$ | . . 8 2 . 1 . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 2. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
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$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . O . . . .
$$ | . O . O . O . . . , .
$$ | . . O X X X O O O O .
$$ | . . . O 1 . X X X O .
$$ | . . 2 5 4 3 . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 3. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . X . . . . .
$$ | . X X X . . . . . . .
$$ | 5 X O O X . . . . , .
$$ | 2 O 6 O X . X . . . .
$$ | 1 3 7 O O X . . . . .
$$ | . . . . 4 . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O O O . . . . . .
$$ | . O X X a . . . . , .
$$ | 1 X 5 X O O . . . . .
$$ | O 2 4 X X O . . . . .
$$ | . 6 7 . 3 . . . . . .
$$ ----------------------[/go]

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[go]$$Bm1 5. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . X . . . .
$$ | . X X X X . . . . . .
$$ | . X O O a . . . . , .
$$ | . O . O b X . . . . .
$$ | 2 1 3 O O X . . . . .
$$ | . 5 4 . 6 . . . . . .
$$ ----------------------[/go]
logan
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Re: Go Problem & Pro Game Journal

Post by logan »

Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
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$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . 1 X X . . . . . , .
$$ | 5 2 O O X X X . . . .
$$ | 6 8 . . O O X . . . .
$$ | . 7 0 4 . 3 9 . . . .
$$ ----------------------[/go]


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[go]$$Bm11 1. Cont. 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
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$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . X X X . . . . . , .
$$ | X O O O X X X . . . .
$$ | O O . 1 O O X . . . .
$$ | . X O O . X X . . . .
$$ ----------------------[/go]


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[go]$$Bm1 1. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
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$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . 1 X X . . . . . , .
$$ | . . O O X X X . . . .
$$ | 5 . 2 . O O X . . . .
$$ | . . 4 3 . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 1. Failure 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . 3 . . . . . . . . .
$$ | 5 2 X X . . . . . , .
$$ | 6 . O O X X X . . . .
$$ | . 4 . . O O X . . . .
$$ | . . . . . 1 . . . . .
$$ ----------------------[/go]



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[go]$$Bm1 2. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . O . . . .
$$ | . O . O . O . . . , .
$$ | . . O X X X O O O O .
$$ | . . . O 1 . X X X O .
$$ | . . 2 5 4 3 . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 3. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . X . . . . .
$$ | . X X X . . . . . . .
$$ | 5 X O O X . . . . , .
$$ | 2 O 6 O X . X . . . .
$$ | 1 3 7 O O X . . . . .
$$ | . . . . 4 . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O O O . . . . . .
$$ | 4 O X X . . . . . , .
$$ | 1 X 5 X O O . . . . .
$$ | O 2 7 X X O . . . . .
$$ | . 8 6 9 3 0 . . . . .
$$ ----------------------[/go]


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[go]$$Bm11 4. Cont. 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O O O . . . . . .
$$ | O O X X . . . . . , .
$$ | X X X X O O . . . . .
$$ | O O X X X O . . . . .
$$ | 1 O O X X O . . . . .
$$ ----------------------[/go]


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[go]$$Wm12 4. Cont. 2, Direct Ko
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O O O . . . . . .
$$ | O O X X . . . . . , .
$$ | X X X X O O . . . . .
$$ | 3 2 X X X O . . . . .
$$ | X 1 . X X O . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Failure 1, Approach Ko
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O O O . . . . . .
$$ | . O X X . . . . . , .
$$ | 1 X 5 X O O . . . . .
$$ | O 2 4 X X O . . . . .
$$ | . 6 7 8 3 . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 5. Solution 1, Direct Ko
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . X . . . .
$$ | . X X X X . . . . . .
$$ | . X O O . . . . . , .
$$ | . O . O . X . . . . .
$$ | 2 1 3 O O X . . . . .
$$ | 7 4 5 6 . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 5. Failure 1, Approach Ko
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . X . . . .
$$ | . X X X X . . . . . .
$$ | . X O O . . . . . , .
$$ | . O . O . X . . . . .
$$ | 2 1 3 O O X . . . . .
$$ | . 5 4 7 6 . . . . . .
$$ ----------------------[/go]
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[go]$$Bm1 1. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X X . . . . . , .
$$ | . . O O X X . . . . .
$$ | . . O . O X . X . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 2. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . X . X . . . . . . .
$$ | . X . . . . . . . . .
$$ | . O X X . X . . . , .
$$ | . . O X . . . . . . .
$$ | . O . O X X . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 3. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X X . . . . . . .
$$ | . . X O X X . . . , .
$$ | . . X O O O X X . X .
$$ | . X O . O . . . . . .
$$ | . O . . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . X . X . . . .
$$ | . X . X . . . X . . .
$$ | . . X O O O . . . . .
$$ | . X O X . O X . . , .
$$ | . X O . . O X . X . .
$$ | . . O . O X X . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
logan
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Re: Go Problem & Pro Game Journal

Post by logan »

Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | 1 . X X . . . . . , .
$$ | . . O O X X . . . . .
$$ | 3 . O . O X . X . . .
$$ | . . . 2 . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 1. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | 1 . X X . . . . . , .
$$ | 8 2 O O X X . . . . .
$$ | . 4 O . O X . X . . .
$$ | 9 3 . 6 5 7 . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 1. Solution 3
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | 1 . X X . . . . . , .
$$ | . . O O X X . . . . .
$$ | 2 . O . O X . X . . .
$$ | . 3 . 4 . 5 . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 1. Failure 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . 1 X X . . . . . , .
$$ | 5 4 O O X X . . . . .
$$ | 6 3 O . O X . X . . .
$$ | 7 8 9 2 . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 1. Failure 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . 1 X X . . . . . , .
$$ | 6 7 O O X X . . . . .
$$ | 3 4 O . O X . X . . .
$$ | 8 5 . 2 . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 2. Solution 1, Miai
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . X . X . . . . . . .
$$ | . X . . . . . . . . .
$$ | 1 O X X . X . . . , .
$$ | 2 a O X . . . . . . .
$$ | . O b O X X . . . . .
$$ | . . 4 3 . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 3. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X X . . . . . . .
$$ | . . X O X X . . . , .
$$ | 4 2 X O O O X X . X .
$$ | 3 X O . O 5 6 . . . .
$$ | . O . 1 . 7 . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 3. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X X . . . . . . .
$$ | . 7 X O X X . . . , .
$$ | . 2 X O O O X X . X .
$$ | 3 X O 6 O . 4 8 9 . .
$$ | . O 5 1 0 . . . . . .
$$ ----------------------[/go]


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[go]$$Bm10 3. Cont. 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X X . . . . . . .
$$ | . X X O X X . . . , .
$$ | . O X O O O X X . X .
$$ | X X O O O . O O X . .
$$ | . O . . O . . 1 . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . X . X . . . .
$$ | . X . X . . . X . . .
$$ | . . X O O O . . . . .
$$ | . X O X . O X . . , .
$$ | . X O 1 . O X . X . .
$$ | 6 2 O 3 O X X . . . .
$$ | 8 5 7 4 . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm9 4. Cont. 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . X . X . . . .
$$ | . X . X . . . X . . .
$$ | . . X O O O . . . . .
$$ | . X O X . O X . . , .
$$ | 3 X O X . O X . X . .
$$ | O O O X O X X . . . .
$$ | O 2 1 O . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . X . X . . . .
$$ | . X . X . . . X . . .
$$ | . . X O O O . . . . .
$$ | . X O X . O X . . , .
$$ | . X O 1 . O X . X . .
$$ | . 2 O 3 O X X . . . .
$$ | . 5 . . 4 . . . . . .
$$ ----------------------[/go]
I find this game interesting for many reasons. It can be a confusing game to understand, so I recommend reading the game commentary provided in "The Games of Honinbo Shuei, Vol. 3." However, even with this I think you'll find much food for thought.

Attachments
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logan
Lives in gote
Posts: 641
Joined: Sat May 29, 2010 11:52 am
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Has thanked: 141 times
Been thanked: 437 times

Re: Go Problem & Pro Game Journal

Post by logan »

Click Here To Show Diagram Code
[go]$$Bm1 1. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . X X X . . . , .
$$ | . O . . O X . X . . .
$$ | . . . . O O X . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 2. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . X . . . . . .
$$ | . X X X . . . . . , .
$$ | . O O O X X . . . . .
$$ | . . . . O X . X . . .
$$ | . . . . O . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 3. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . X . . X . . . . . .
$$ | . X a X . . . . . , .
$$ | . O O O X X . . . . .
$$ | . . . . O X . X . . .
$$ | . . . . O . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O . . . . O . . . .
$$ | . . O O O . . . . . .
$$ | . O X X . . O . . . .
$$ | . O X , X X O . . , .
$$ | . O X X . O X O . . .
$$ | O X O . . O X . . . .
$$ | . X O . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 5. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . O . . . . . . O . .
$$ | O X O O O O . O . . .
$$ | . X X X X X X . . , .
$$ | . X . O O O X O O . .
$$ | . . X . O X O . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Bonus kyu problem!
Click Here To Show Diagram Code
[go]$$Bm1 6. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O . O . . . . . .
$$ | . X X X . . O . . , .
$$ | . . X O . . . O . . .
$$ | . . X O . . . O . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
logan
Lives in gote
Posts: 641
Joined: Sat May 29, 2010 11:52 am
GD Posts: 9
Has thanked: 141 times
Been thanked: 437 times

Re: Go Problem & Pro Game Journal

Post by logan »

Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . 0 X . . . . . . . .
$$ | . . . X X X . . . , .
$$ | 8 O 2 3 O X . X . . .
$$ | 6 5 1 4 O O X . . . .
$$ | . 7 9 . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm10 1. Cont. 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . 3 . . . . . . . . .
$$ | 4 2 X . . . . . . . .
$$ | 1 O X . . . . . . . .
$$ | . 5 . X X X . . . , .
$$ | O O O X O X . X . . .
$$ | O X X O O O X . . . .
$$ | . X X . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . X X X . . . , .
$$ | 0 O 2 3 O X . X . . .
$$ | 7 5 1 4 O O X . . . .
$$ | . 6 8 . . 9 . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm10 1. Cont. 1, :b13: @ :bt:
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . 7 . . . . . . . . .
$$ | 8 6 X . . . . . . . .
$$ | 5 4 X . . . . . . . .
$$ | . 9 . X X X . . . , .
$$ | O O O X O X . X . . .
$$ | X Y X O O O X . . . .
$$ | 2 O O . 1 X . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Solution 1, Approach Ko White ( :w2:, Black A, White B, :b5:)
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . X . . . . . .
$$ | . X X X . . . . . , .
$$ | . O O O X X . . . . .
$$ | 4 3 a b O X . X . . .
$$ | 5 2 1 . O . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 2. Failure 1, Direct Ko White; :b5: @ A also works.
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . X . . . . . .
$$ | . X X X . . . . . , .
$$ | . O O O X X . . . . .
$$ | 2 1 3 4 O X . X . . .
$$ | . 5 a . O . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . X . . X . . . . . .
$$ | . X a X . . . . . , .
$$ | 1 O O O X X . . . . .
$$ | 2 . 5 6 O X . X . . .
$$ | . 3 4 7 O . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Solution 2, :b5: @ A also works.
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . X . . X . . . . . .
$$ | . X a X . . . . . , .
$$ | . O O O X X . . . . .
$$ | 2 1 3 4 O X . X . . .
$$ | . 5 a . O . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Failure 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . X . . X . . . . . .
$$ | . X a X . . . . . , .
$$ | 4 O O O X X . . . . .
$$ | 8 3 6 . O X . X . . .
$$ | 5 2 1 . O 7 . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 4. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O . . . . O . . . .
$$ | . . O O O . . . . . .
$$ | . O X X . . O . . . .
$$ | . O X , X X O . . , .
$$ | . O X X . O X O . . .
$$ | O X O 6 7 O X 2 . . .
$$ | . X O 5 4 1 3 . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 5. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . O . . . . . . O . .
$$ | O X O O O O . O . . .
$$ | 7 X X X X X X . . , .
$$ | . X . O O O X O O . .
$$ | 3 . X . O X O . . . .
$$ | . 4 . 5 6 1 2 . . . .
$$ ----------------------[/go]


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[go]$$Bm1 5. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . O . . . . . . O . .
$$ | O X O O O O . O . . .
$$ | . X X X X X X . . , .
$$ | . X . O O O X O O . .
$$ | 4 . X . O X O . . . .
$$ | . 3 . 5 2 1 . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O . O . . . . . .
$$ | 3 X X X . . O . . , .
$$ | . . X O . . . O . . .
$$ | . . X O . 2 . O . . .
$$ | . . 1 . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 6. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O . O . . . . . .
$$ | 2 X X X 9 . O . . , .
$$ | 3 . X O 8 5 . O . . .
$$ | . 4 X O 7 6 . O . . .
$$ | . . 1 . 0 . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm11 6. Cont. 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . O . . . .
$$ | . O O . O . . . . . .
$$ | O X X X X . O . . , .
$$ | X . X O O X . O . . .
$$ | . O X O 2 O 3 O . . .
$$ | . . X 1 O . . . . . .
$$ ----------------------[/go]

This is definitely one of Shuei's early highlights. I think it's an excellent game for 2-3 dans to study. There's constant fighting from the get go, and you can sense each player trying to find ways to show off all the tricks in their bags. The young Sanei & Shuei refuse to budge even into the endgame -- starting two ko fights that end in some big exchanges.

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logan
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Re: Go Problem & Pro Game Journal

Post by logan »

Problems from Jump Level Up! Vol. 1 now.

Click Here To Show Diagram Code
[go]$$Bm1 1. Where to block White?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . . O . . . . .
$$ | . . . X . . . X . X .
$$ | . . . X . O . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Black to jump: A or B?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O O . . . . . .
$$ | . . O X . . . . . , .
$$ | . . O X . a b . . . .
$$ | . . O X . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Black to jump: A, B or C?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . O X . . . . . . . .
$$ | . O X . . . . . . . .
$$ | . O X O O . . . . . .
$$ | . . O X . O . . . , .
$$ | . O O X . a b . . . .
$$ | . O X X . c . . . . .
$$ | . X . . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Black to punish overplay
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O O . . . . . , .
$$ | . . X X O O . . . . .
$$ | . . . . X X Q . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 5. Black to punish overplay
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O O . . . . . , .
$$ | . X X X O O . . . . .
$$ | . . . . X X Q . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Black's endgame: A, B or C?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . X . X O . . . O . .
$$ | . . X O O . . . . . .
$$ | . X O O . . . . O . .
$$ | . X X O . . . . . , .
$$ | . c O a . . . . O . X
$$ | . . b . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 7. Endgame: Who retains sente after Black replies?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O , X . X . . , .
$$ | . O X X . . . . . X .
$$ | . O . . . . . . . . .
$$ | . . . . Q . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 8. Endgame: Who retains sente after Black replies?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O O X . X . . , .
$$ | . O X X X . . . . X .
$$ | . O . . . . . . . . .
$$ | . . . . Q . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 9. Endgame: Who retains sente after Black replies?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O O X . X . . , .
$$ | . O X X . X . . . X .
$$ | . O . . . . . . . . .
$$ | . . . . Q . . . . . .
$$ ----------------------[/go]


Bonus question!
Which joseki is this from?
Click Here To Show Diagram Code
[go]$$Bm1 10. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . O . O . . . . . . .
$$ | . X O . . . . . . . .
$$ | . . X O O X . . . . .
$$ | . . X O X O O . . . .
$$ | . . X O X O X . . , .
$$ | . O O X X X O O . . .
$$ | . X X . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
logan
Lives in gote
Posts: 641
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Has thanked: 141 times
Been thanked: 437 times

Re: Go Problem & Pro Game Journal

Post by logan »

Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . 7 . . . . .
$$ | . . . . 4 3 6 . . . .
$$ | . . . X 5 2 1 9 . . .
$$ | . . . . . O 8 . . . .
$$ | . . . X . . . X . X .
$$ | . . . X . O . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O O . . . . . .
$$ | . . O X . 2 . . . , .
$$ | . . O X . 3 1 . . . .
$$ | . . O X . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Failure 1, :b3: tenuki
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O O . . . . . .
$$ | . . O X . 2 . . . , .
$$ | . . O X . 4 1 . . . .
$$ | . . O X 6 5 . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . O X . . . . . . . .
$$ | . O X . . . . . . . .
$$ | . O X O O . . . . . .
$$ | . . O X . O . . . , .
$$ | . O O X . 2 1 . . . .
$$ | . O X X . 3 . . . . .
$$ | . X . . . . . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 4. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . 2 . . . . . . . . .
$$ | . 1 O O 9 0 . . 7 , .
$$ | . . X X O O 3 5 6 8 .
$$ | . . . . X X Q 4 . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm11 4. Cont. 1, miai
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O a . 1 b . . . . .
$$ | . X O O X O . . X , .
$$ | . . X X O O X X O O .
$$ | . . . . X X O O . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 5. Solution 1, White lives low
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . 4 . . . . .
$$ | . . O O . . 3 . . , .
$$ | . X X X O O 1 . 5 7 .
$$ | . . . . X X Q 2 6 . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . X . X O . . . O . .
$$ | . . X O O . . . . . .
$$ | . X O O . . . . O . .
$$ | . X X O . . . . . , .
$$ | . 2 O . . . . . O . X
$$ | . 3 1 . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


The cut at :b1: is the most common continuation for this shape, however it cannot be played when White is locally strong (see marked stones). White can trap Black inside and kill him.
Click Here To Show Diagram Code
[go]$$Bm1 6. Failure 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . X . X O . . . Q . .
$$ | . . X O O . . . . . .
$$ | . X O O . . . . Q . .
$$ | . X X O . . . . . , .
$$ | . . O 1 2 7 . . Q . X
$$ | . . 4 3 5 6 . . . . .
$$ | . . . . 8 . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 7. Solution 1, gote
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O , X . X . . , .
$$ | . O X X . . . . . X .
$$ | . O 4 5 1 7 . . . . .
$$ | . . 6 2 Q 3 . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 8. Solution 1, gote
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O O X . X . . , .
$$ | . O X X X . . . . X .
$$ | . O 4 5 1 7 . . . . .
$$ | . . 6 2 Q 3 . . . . .
$$ ----------------------[/go]


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[go]$$Bm1 9. Solution 1, sente
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O O X . X . . , .
$$ | . O X X . X . . . X .
$$ | . O 4 5 1 . . . . . .
$$ | . . 6 2 Q 3 . . . . .
$$ ----------------------[/go]


This is from a modern 4-4 joseki.
Click Here To Show Diagram Code
[go]$$Wm1 10. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . 4 . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . 8 1 0 5 6 . . , .
$$ | . . 9 . . 2 7 3 . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Wm11 10. Cont. 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X 7 5 8 . . . . .
$$ | . . 0 3 4 1 9 . . . .
$$ | . . X O X O X . . , .
$$ | . . O 2 6 X O O . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Wm21 10. Cont. 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . 7 . 3 . . . . . . .
$$ | . 2 1 . . . . . . . .
$$ | 8 . X O O X . . . . .
$$ | . . X O X O O . . . .
$$ | . . X O X O X . . , .
$$ | . 5 O X X X O O . . .
$$ | . 6 4 . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

And the joseki keeps continuing after this...

Many of us have heard of the arranged game outcomes by professionals -- the intentional one point win, loss or draw. Shuei was no exception to this distinguished tradition, even in his early years. Below are a series of games Shuei played with Takasaki Taisaku, 'the 1-dan who played like a 3-dan.'

In 1872, Taisaku had come to Tokyo to request games from the iemoto families in an effort to earn a rank promotion. He scored favorably in his games against the Honinbo family, so Ito Showa arranged for him to have his promotion. However, Taisaku insisted on a 5-dan rank; but since it was too great a jump he was soon rejected. This became known as "Taisaku's unreasonable claim."

The reason for his request of 5-dan was because it was the rank at which one could live comfortably as a go professional in the post Castle Games/shogunate period. After his denial, he left the go world for seven years. The rest of his life can be found on the GoGoD database.

As for these games, in that 1872 period, Shuei manages to arrange one point victories for Black in all three of their games.

Game 1


Game 2


Game 3
Attachments
1872-06-30.sgf
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1872-05-09.sgf
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1872-05-06.sgf
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logan
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Re: Go Problem & Pro Game Journal

Post by logan »

Problems from Jump Level Up! Vol. 2 now.

Click Here To Show Diagram Code
[go]$$Bm1 1. Black to punish White
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O c . . . . . . .
$$ | . . b X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . . Q a . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Black to punish White
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . c . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . b . . . . . . .
$$ | . . X O . . . . . O .
$$ | . . X O . . . . . . .
$$ | . a Q . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Black A, B or C?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . c . . . . . .
$$ | . . O b . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . Q a . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 4. Black A, B, C or D?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . X . . . . .
$$ | . . . O a Q b . . , .
$$ | . . . . c X d O . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Bonus problem:
Click Here To Show Diagram Code
[go]$$Bm1 5. Black A or B?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . a X . . . . .
$$ | . . . O X O O . . , .
$$ | . . . . b X . O . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . O . . . . . . . . .
$$ | O X O O O . . . . . .
$$ | . X X X O X . . . , .
$$ | X X O O X X . . . . .
$$ | X O O . O . . . . . .
$$ | . . . X . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 7. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . O . . . . . .
$$ | . . X X X O O . O , .
$$ | . . X O O X X O . . .
$$ | . X O . O . . . . . .
$$ | . . . X . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 8. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . O . . O O . . .
$$ | . O O X X X . . . , .
$$ | . X X O O X O O X . .
$$ | . . . . O O X X . X .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Bonus problem
Click Here To Show Diagram Code
[go]$$Bm1 9. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O . O . . X . .
$$ | . . O . . O X . . . .
$$ | . X X O O X X . X , .
$$ | . O O X X O O O X . .
$$ | . . . X . O . X X . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 10. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . X O O O . . . . . .
$$ | . X X O X X . . . , .
$$ | O O O X . . . . . . .
$$ | . X O X . X . . . . .
$$ | . O X X . . . . . . .
$$ ----------------------[/go]
EricBackus
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Re: Go Problem & Pro Game Journal

Post by EricBackus »

I'll give them a try...

1.
Click Here To Show Diagram Code
[go]$$Bm1 1. Black to punish White
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O c . . . . . . .
$$ | . . b X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . . Q 1 . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
This can't be right, but it seems that without this move, white will destroy the moyo black is building.


2.
Click Here To Show Diagram Code
[go]$$Bm1 2. Black to punish White
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . c . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . 1 . . . . . . .
$$ | . . X O . . . . . O .
$$ | . . X O . . . . . . .
$$ | . a Q . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
Breaking into the middle and destroying white's moyo looks big to me.


3.
Click Here To Show Diagram Code
[go]$$Bm1 3. Black A, B or C?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . c . . . . . .
$$ | . . O 1 . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . Q a . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
I only chose this because I think I remember seeing it in a joseki book. But a seems bad because it lets white play 1, and I suspect c is looser than necessary given the weakness of the lone white stone.


4. and 5.
Click Here To Show Diagram Code
[go]$$Bm1 4. Black A, B, C or D?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . 3 X . . . . .
$$ | . . 9 O 1 Q 2 . . , .
$$ | . . . 5 4 X . O . . .
$$ | . . . 7 6 8 . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
This looks pretty good for black.

Bonus problem:
Click Here To Show Diagram Code
[go]$$Bm1 5. Black A or B?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . a X . . . . .
$$ | . . . O X O O . . , .
$$ | . . . . b X . O . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
Same answer as above?


6.
Click Here To Show Diagram Code
[go]$$Bm1 6. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . O . . . . . . . . .
$$ | O X O O O . . . . . .
$$ | . X X X O X . . . , .
$$ | X X O O X X . . . . .
$$ | X O O 2 O 3 . . . . .
$$ | . 1 . X 4 5 . . . . .
$$ ----------------------[/go]


7.
Click Here To Show Diagram Code
[go]$$Bm1 7. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . O . . . . . .
$$ | . . X X X O O . O , .
$$ | . . X O O X X O . . .
$$ | . X O . O 2 3 4 . . .
$$ | . . . X 7 1 5 6 . . .
$$ ----------------------[/go]


8.
Click Here To Show Diagram Code
[go]$$Bm1 8. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . O . . O O . . .
$$ | . O O X X X . . . , .
$$ | . X X O O X O O X . .
$$ | . 5 2 4 O O X X . X .
$$ | . . . . 3 1 . . . . .
$$ ----------------------[/go]


9.
Bonus problem
Click Here To Show Diagram Code
[go]$$Bm1 9. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O . O . . X . .
$$ | . 2 O . . O X . . . .
$$ | 4 X X O O X X . X , .
$$ | . O O X X O O O X . .
$$ | . 1 3 X . O 5 X X . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
Maybe 5 is not necessary?


10.
Click Here To Show Diagram Code
[go]$$Bm1 10. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . X O O O . . . . . .
$$ | . X X O X X . . . , .
$$ | O O O X . . . . . . .
$$ | 1 X O X . X . . . . .
$$ | 2 O X X . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 10. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . X O O O . . . . . .
$$ | 5 X X O X X . . . , .
$$ | O O O X . . . . . . .
$$ | 4 3 O X . X . . . . .
$$ | O O X X . . . . . . .
$$ ----------------------[/go]


Good problems!
logan
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Re: Go Problem & Pro Game Journal

Post by logan »

EricBackus wrote:Good problems!
Thank-you Eric : )

Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . 4 . . . . . . . . .
$$ | . 3 O . . . . . . . .
$$ | . 2 1 X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . 5 Q . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . 3 . . . . . .
$$ | . . . 1 2 4 . . . . .
$$ | . . X O . . . . . O .
$$ | . . X O . . . . . . .
$$ | . 5 Q 6 . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O 1 . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . Q . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 4. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . 3 X . . . . .
$$ | . . 9 O 1 Q 2 . . , .
$$ | . . . 5 4 X . O . . .
$$ | . . . 7 6 8 . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Bonus problem:
Click Here To Show Diagram Code
[go]$$Bm1 5. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . 1 X . . . . .
$$ | . . 7 O X O O . . , .
$$ | . . . 3 2 X . O . . .
$$ | . . . 5 4 6 . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 5. Failure 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . 8 6 4 . . . . . .
$$ | . . 7 3 2 X . . . . .
$$ | . . 5 O X O O . . , .
$$ | . . . . 1 X . O . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . O . . . . . . . . .
$$ | O X O O O . . . . . .
$$ | . X X X O X . . . , .
$$ | X X O O X X . . . . .
$$ | X O O . O 3 . . . . .
$$ | . 1 . X 2 . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 7. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . O . . . . . .
$$ | . . X X X O O . O , .
$$ | . . X O O X X O . . .
$$ | . X O . O . . . . . .
$$ | . . . X . 1 . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 8. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . O . . O O . . .
$$ | . O O X X X . . . , .
$$ | . X X O O X O O X . .
$$ | . 5 2 4 O O X X . X .
$$ | . . . . 3 1 . . . . .
$$ ----------------------[/go]


Bonus problem
Click Here To Show Diagram Code
[go]$$Bm1 9. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O . O . . X . .
$$ | . 2 O . . O X . . . .
$$ | . X X O O X X . X , .
$$ | . O O X X O O O X . .
$$ | . 1 3 X . O . X X . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 10. Solution 1, :b3: @ :b1:, :w4: @ :bt:
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . X O O O . . . . . .
$$ | 5 X X O X X . . . , .
$$ | O O O X . . . . . . .
$$ | 1 Y O X . X . . . . .
$$ | 2 O X X . . . . . . .
$$ ----------------------[/go]

This game of Takagawa's is a good example of how he could whiz & flow around the board making exchanges, and a rare demonstration of his fighting strength.

Attachments
1968-08-21.sgf
(1.94 KiB) Downloaded 865 times
EricBackus
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Re: Go Problem & Pro Game Journal

Post by EricBackus »

For Problem 1
logan wrote:Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . 4 . . . . . . . . .
$$ | . 3 O a . . . . . . .
$$ | . 2 1 X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . 5 Q . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

I guess that looks good, but black still has to worry about white pushing out into the middle at a. I was also worried about something like this:
Click Here To Show Diagram Code
[go]$$Bm1 1. White takes the bottom
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . 3 1 X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . 4 . . . . .
$$ | . . . Q 2 . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

Black can break through, and gets strong on the left side. But white is out into the bottom area, which is larger than the left side. Isn't this better for white than the joseki?
logan
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Re: Go Problem & Pro Game Journal

Post by logan »

EricBackus wrote:For Problem 1
logan wrote:Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . 4 . . . . . . . . .
$$ | . 3 O a . . . . . . .
$$ | . 2 1 X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . . . . . . .
$$ | . . 5 Q . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
I guess that looks good, but black still has to worry about white pushing out into the middle at a.

If White captures, then Black gets to enlarge territory in the corner at the expense of White. (The territory is no longer balanced here.) Blocking with :b4: to :b8: is a fine way to play with there is a high stone or high position on the right.
Click Here To Show Diagram Code
[go]$$Wm1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X 9 . . . . . . .
$$ | . O . . 5 7 . . . . .
$$ | 1 X O 3 4 6 8 . . . .
$$ | . O X X . . . . . . .
$$ | . . O X . . . . . X .
$$ | 3 . O X . . . . . . .
$$ | . 2 X O 4 . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

If White doesn't capture, then when she pushes out there a bad cutting point at A. Defending at B will allow Black to play C, A, E and establish a group on the left, or play the strong fighting move at F wherein Black's uncaptured stone will burden White. Defending at A directly will allow Black a powerful turn at G. White G won't do much better.
Click Here To Show Diagram Code
[go]$$Wm1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . f . . . . . . .
$$ | . e X b . . . . . . .
$$ | . O c a 5 g . . . . .
$$ | d X O 3 4 6 . . . . .
$$ | . O X X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . 1 O X . . . . . . .
$$ | . . X O 2 . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

EricBackus wrote:I was also worried about something like this:
Click Here To Show Diagram Code
[go]$$Bm1 1. White takes the bottom
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . 3 1 X . . . . . . .
$$ | . . O X . . . . . X .
$$ | . . O X . 4 . . . . .
$$ | . . . Q 2 . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

Black can break through, and gets strong on the left side. But white is out into the bottom area, which is larger than the left side. Isn't this better for white than the joseki?

Click Here To Show Diagram Code
[go]$$Bm1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . X X X . . . . . . .
$$ | . . O X . . . . . Y .
$$ | 3 . O X . O . 4 . . .
$$ | . 1 2 O O . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

When looking at efficiency only White has broken shape. When looking at settled groups, only White is under attack. After :b1: to :b3:, White must make a narrow jump to :w4:, while :bt: is well-placed to continue pressuring from a variety of directions. Black's efficiency is very high and has gained a flexible position. The territory has simply switched.

It's a good example of being flexible with your territory -- not being too stuck on whose is whose; and making advantageous exchanges through natural movement of stones.
logan
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Re: Go Problem & Pro Game Journal

Post by logan »

Click Here To Show Diagram Code
[go]$$Bm1 1. Black A, B or C?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . O . . . . .
$$ | . . b X c . . . X , .
$$ | . . a Q . O . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Black A, B or C?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . . O . . . . .
$$ | . . . X . . c . X , .
$$ | . . X . b O . . . . .
$$ | . a O O . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . X X . . . . . .
$$ | . O X O . . . . . . .
$$ | . X O , . . . . . , .
$$ | . X O . O . . O . . .
$$ | . O X X O . . . . . .
$$ | . O . . . . . . . . .
$$ ----------------------[/go]


Is the book solution correct?
Click Here To Show Diagram Code
[go]$$Bm1 3. Book solution
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . 4 X X . . . . . .
$$ | . O X O 5 . . . . . .
$$ | . X O 2 3 . . . . , .
$$ | . X O 1 O . . O . . .
$$ | . O X X O . . . . . .
$$ | . O . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 4. Black to play
$$ -------------------
$$ | . . . . b O a . . |
$$ | . . O O O X . X . |
$$ | . O X X X X . . . |
$$ | O . O . X . X . . |
$$ | O O O X . . . X X |
$$ | X X X X X X X O X |
$$ | . X . O X O O O X |
$$ | . X X O O . . . O |
$$ | . . X O . O . O . |
$$ -------------------[/go]


Is the book solution correct?
Click Here To Show Diagram Code
[go]$$Bm1 4. Book solution, :b5: @ :b1:
$$ -------------------
$$ | . . . 2 1 O 3 . . |
$$ | . 4 O O O X . X . |
$$ | . O X X X X . . . |
$$ | O . O . X . X . . |
$$ | O O O X . . . X X |
$$ | X X X X X X X O X |
$$ | . X . O X O O O X |
$$ | . X X O O . . . O |
$$ | . . X O . O . O . |
$$ -------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 5. Black A, B or C?
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O . . . . . . .
$$ | . . . O . . . . . , .
$$ | . . O X c . . X . . .
$$ | . . . a b . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Black's endgame
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O O O . . . , .
$$ | . . O X X O X X X . .
$$ | . . O X . X O O X . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 7. Black's endgame
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O . . . . X . . . .
$$ | . . O O O O X . . , .
$$ | . O X X X O X . . . .
$$ | . . . . . X O X . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]
logan
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Re: Go Problem & Pro Game Journal

Post by logan »

Answers:
Click Here To Show Diagram Code
[go]$$Bm1 1. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . O . . . . .
$$ | . . . X . . . . X , .
$$ | . . 1 Q . O . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . . O . . . . .
$$ | . . . X . 2 1 . X , .
$$ | . . X . . O . . . . .
$$ | . . O O . . 3 . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Solution 2
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . . O . . . . .
$$ | . . . X . 2 1 . X , .
$$ | . . X . . O 3 . . . .
$$ | . . O O . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Solution 1, :w4: @ :bt:
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . 0 . . . . . . . .
$$ | . 6 X . . . . . . . .
$$ | . 8 2 X X . . . . . .
$$ | 7 O Y O 5 . . . . . .
$$ | . X O 3 9 . . . . , .
$$ | . X O 1 O . . O . . .
$$ | . O X X O . . . . . .
$$ | . O . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 4. Solution 1
$$ -------------------
$$ | . . . . 2 O 1 . . |
$$ | . . O O O X . X . |
$$ | . O X X X X . . . |
$$ | O . O . X . X . . |
$$ | O O O X . . . X X |
$$ | X X X X X X X O X |
$$ | . X . O X O O O X |
$$ | . X X O O . . . O |
$$ | . . X O . O . O . |
$$ -------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 4. Failure 1, Black loses a point
$$ -------------------
$$ | . . . 4 1 O 2 3 . |
$$ | . 6 O O O X 5 X . |
$$ | . O X X X X . . . |
$$ | O . O . X . X . . |
$$ | O O O X . . . X X |
$$ | X X X X X X X O X |
$$ | . X . O X O O O X |
$$ | . X X O O . . . O |
$$ | . . X O . O . O . |
$$ -------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm7 4. Cont. 1, :w8: @ :wt:
$$ -------------------
$$ | . . . O 7 Q O X . |
$$ | . O O O O X X X . |
$$ | . O X X X X . . . |
$$ | O . O . X . X . . |
$$ | O O O X . . . X X |
$$ | X X X X X X X O X |
$$ | . X . O X O O O X |
$$ | . X X O O . . . O |
$$ | . . X O . O . O . |
$$ -------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 5. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O . . . . . . .
$$ | . . . O . . . . . , .
$$ | . . O X 1 . . X . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O O O . . . , .
$$ | . . O X X O X X X . .
$$ | . . O X . X O O X . .
$$ | . . 2 3 1 . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 7. Solution 1
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . O . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O . . . . X . . . .
$$ | . . O O O O X . . , .
$$ | . O X X X O X . . . .
$$ | . . . 1 . X O X . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]

This is certainly one of the most amazing opening fights I've seen. The shape that emerges from the bottom right is incredible. Takamiya Masaki & Cho Chikun push each others' reading to the limit in this Final of the 29th Judan title. Less than a week later it appeared in a Korean professional game, then again three days after. We can tell immediately who was studying this game and how influential it was. Things quickly go awry as Cho initiates a then considered trick play of 9 to 11. I hope you'll enjoy it as much as I did. You can find additional commentary over this game in Go World Iss. 68.

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logan
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Re: Go Problem & Pro Game Journal

Post by logan »

Problems from Jump Level Up! Vol. 3 now.

Click Here To Show Diagram Code
[go]$$Wm1 A normal joseki begins...
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . 1 . . . . . . . .
$$ | . 0 . . . . . . . . .
$$ | . 9 4 X 6 . . . . , .
$$ | . . 3 5 7 8 2 . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Wm11 1. Black to punish
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . 5 . . . . .
$$ | . . O . 3 4 . . . . .
$$ | . X 2 . . . . . . . .
$$ | . O X X X . . . . , .
$$ | . 1 O O O X X . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 2. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . O . O . . . .
$$ | . . O X X X O X . , .
$$ | . . O X O O X . X . .
$$ | . . . O . O X . . . .
$$ | . . . . . O X . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 3. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . . . . . . .
$$ | . O . . . . . . . . .
$$ | . X O O O . . . . . .
$$ | . X X X O X . . . , .
$$ | . X O O X . X . . . .
$$ | . O . O X . . . . . .
$$ | . . . O X . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 4. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | X X X X X . . . . . .
$$ | O O O X O O . . . . .
$$ | . . O O X O . . . , .
$$ | . O X X X O . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 5. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X . . . . . . . .
$$ | . . . . . . . . . . .
$$ | X X X . . . . O . . .
$$ | O O O X X X . . . , .
$$ | . . O O O X O . . . .
$$ | . O X X X O . O . . .
$$ | . . . . . . O . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 6. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . X X X O O . . , .
$$ | . . X O O X . O . . .
$$ | . . . . O X X O . . .
$$ | . . . . O . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 7. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O O O X X . . . , .
$$ | . O X X O . X . . . .
$$ | . . . X O O X . . . .
$$ | . . . . . . . . . . .
$$ ----------------------[/go]


Click Here To Show Diagram Code
[go]$$Bm1 8. Black to play
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . , .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O O O O X X . . , .
$$ | . O X X X O X . X . .
$$ | . X O X O O O X . . .
$$ | . O . X . . . . . . .
$$ ----------------------[/go]
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