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L&D Maeda El 001

Posted: Sun Feb 20, 2011 9:56 am
by cyclops
Maybe previous problems were a bit difficult. Next are easier: 10 kyu.
Black starts, possibly ko.
Solutions yesterdays problems to be expected tomorrow.
@moderators: pls warn me when I violate copyrights.

B starts, possibly ko
B starts, possibly ko
maeda_El_001.JPG (23.94 KiB) Viewed 6890 times

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 11:25 am
by Sverre
Click Here To Show Diagram Code
[go]$$ 1
$$|.....
$$|..X..
$$|.X...
$$|.OX..
$$|.OX..
$$|.OX..
$$|.XOX.
$$|.OOX.
$$|.OX..
$$|.OX..
$$|.X...
$$|..X..
$$|.....[/go]

Click Here To Show Diagram Code
[go]$$ 1
$$|.....
$$|..X..
$$|.X...
$$|4OX..
$$|.OX..
$$|5OX..
$$|1XOX.
$$|3OOX.
$$|.OX..
$$|2OX..
$$|.X...
$$|..X..
$$|.....[/go]

Click Here To Show Diagram Code
[go]$$ 2
$$------------+
$$..XOO...OOX.|
$$.X.XO.O.OX..|
$$...XXOOOX.X.|
$$.....XX.X...|
$$........X...|[/go]

Click Here To Show Diagram Code
[go]$$ 2
$$------------+
$$..XOO.1.OOX.|
$$.X.XO3O2OX..|
$$...XXOOOX.X.|
$$.....XX.X...|
$$........X...|[/go]

Click Here To Show Diagram Code
[go]$$ 3
$$.........X..|
$$....XXX...XX|
$$....XOOXXXO.|
$$....XO.OXOO.|
$$......O.O...|
$$------------+[/go]

Click Here To Show Diagram Code
[go]$$ 3
$$.........X..|
$$....XXX...XX|
$$....XOOXXXO4|
$$....XO.OXOO3|
$$......O5O21.|
$$------------+[/go]

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 11:39 am
by Cassandra
Sverre wrote:
Click Here To Show Diagram Code
[go]$$ 1
$$|.....
$$|..X..
$$|.X...
$$|4OX..
$$|.OX..
$$|5OX..
$$|1XOX.
$$|3OOX.
$$|.OX..
$$|2OX..
$$|.X...
$$|..X..
$$|.....[/go]

After White 4 it looks like
Click Here To Show Diagram Code
[go]$$ 1
$$|.....
$$|..X..
$$|.X...
$$|OOX..
$$|.OX..
$$|.OX..
$$|XXOX.
$$|XOOX.
$$|.OX..
$$|OOX..
$$|.X...
$$|..X..
$$|.....[/go]

Where would you play with Black now ?

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 11:39 am
by Shaddy
Sverre:
White has better resistance for 3.

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 12:17 pm
by Dusk Eagle
Sverre has the first two right, but I believe the third one goes like this:

Click Here To Show Diagram Code
[go]$$ 3
$$.........X..|
$$....XXX...XX|
$$....XOOXXXO2|
$$....XO.OXOO1|
$$......O.O.3.|
$$------------+[/go]

Sverre's answer has this problem:

Click Here To Show Diagram Code
[go]$$ 3
$$.........X..|
$$....XXX...XX|
$$....XOOXXXO2|
$$....XO.OXOO.|
$$......O.O.1.|
$$------------+[/go]

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 1:59 pm
by unkx80
@Dusk Eagle, others:

Problem 3
Has two solutions. Some years ago I attempted to produce a problem with the same essence but with only one solution, but I was not successful.

new avatar

Posted: Sun Feb 20, 2011 2:54 pm
by cyclops
Off topic: I like your new avatar, unkx. From memory I wouldn't recognize this one to be the same person as the previous one.

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 3:20 pm
by cyclops
Cassandra wrote:
Sverre wrote:
Click Here To Show Diagram Code
[go]$$ 1
$$|.....
$$|..X..
$$|.X...
$$|4OX..
$$|.OX..
$$|5OX..
$$|1XOX.
$$|3OOX.
$$|.OX..
$$|2OX..
$$|.X...
$$|..X..
$$|.....[/go]

After White 4 it looks like
Click Here To Show Diagram Code
[go]$$ 1
$$|.....
$$|..X..
$$|.X...
$$|OOX..
$$|.OX..
$$|.OX..
$$|XXOX.
$$|XOOX.
$$|.OX..
$$|OOX..
$$|.X...
$$|..X..
$$|.....[/go]

Where would you play with Black now ?


B would now play on one of the two outside points as 5th move.

In problem 3 I think Sverre's first move is best because it might induce the W's mistake at Sverre's 2. Cute?

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 4:24 pm
by Sverre
Cassandra wrote:
After White 4 it looks like
Click Here To Show Diagram Code
[go]$$ 1
$$|.....
$$|..X..
$$|.X...
$$|OOX..
$$|.OX..
$$|.OX..
$$|XXOX.
$$|XOOX.
$$|.OX..
$$|OOX..
$$|.X...
$$|..X..
$$|.....[/go]

Where would you play with Black now ?


I can't see any difference, either way White gets one internal ko threat and that's it.


Regarding problem 3: I totally missed that :P

Re: new avatar

Posted: Sun Feb 20, 2011 9:32 pm
by unkx80
cyclops wrote:Off topic: I like your new avatar, unkx. From memory I wouldn't recognize this one to be the same person as the previous one.


Thanks. I'm now quite a bit fatter.

Re: L&D Maeda El 001

Posted: Sun Feb 20, 2011 9:35 pm
by unkx80
@Sverre: Less liberties mean less aji.