How should white approach this position?

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Joelnelsonb
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How should white approach this position?

Post by Joelnelsonb »

I researched the following link but I'm curious about how to proceed using the low white stones. How should white reduce without strengthening the black position?

http://senseis.xmp.net/?PlayingAgainstSanrensei
Click Here To Show Diagram Code
[go]$$c
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$$ ---------------------------------------[/go]
Thinking like a go player during a game of chess is like bringing a knife to a gun-fight. Thinking like a chess player during a game of go feels like getting knifed while you're holding a gun...
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Cassandra
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Re: How should white approach this position?

Post by Cassandra »

If you want to counter San-Ren-Sei, it will be better to place your stones on the other 3-4-points.
Click Here To Show Diagram Code
[go]$$
$$ ---------------------------------------
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$$ ---------------------------------------[/go]
Click Here To Show Diagram Code
[go]$$
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
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$$ ---------------------------------------[/go]
White corner enclosures, based on your line of play, condentrate their influence on the left side of the board only.
Click Here To Show Diagram Code
[go]$$
$$ ---------------------------------------
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$$ | . . . 4 2 3 . . . . . . . . . . . . . |
$$ | . . O , 1 5 . . . 7 . . . . . X . . . |
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$$ | . . . , . . . . . , . . . . . , . . . |[/go]
In addition. this orientation of a 3-4-point make the sequence shown above ideal for Black.
The really most difficult Go problem ever: https://igohatsuyoron120.de/index.htm
Igo Hatsuyōron #120 (really solved by KataGo)
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Bill Spight
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Re: How should white approach this position?

Post by Bill Spight »

Joelnelsonb wrote:I researched the following link but I'm curious about how to proceed using the low white stones. How should white reduce without strengthening the black position?

http://senseis.xmp.net/?PlayingAgainstSanrensei
Click Here To Show Diagram Code
[go]$$c
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . X . . . |
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$$ | . . . , . . . . . , . . . . . X . . . |
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$$ | . . O , . . . . . , . . . . . X . . . |
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$$ ---------------------------------------[/go]
Resign while you still can. :mrgreen:

I would not start this way as White (although I think that Kitani did once). And if I did I would make a high approach next.
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At some point, doesn't thinking have to go on?
— Winona Adkins

Visualize whirled peas.

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OtakuViking
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Re: How should white approach this position?

Post by OtakuViking »

There's not a single recorded game with the sanrensei played like this in the waltheri database. There are very few games with this position, but in 14 games black made a high approach with his fifth move. 6 games for the low approach, and 1 game with a 2 space high approach. Why did black make approach and never even once play sanrensei? There are two reasons. First the two enclosures are symmetrical, and I've read that professionals consider the first move approach played in such a symmetrical position to give the advantage. The other reason is that both enclosures are open and facing black, making an approach move ideal. Think of it a little like two fruits ripe for plucking. Black plucks one with the approach, and there's still one left! If white spends another move to prevent black from plucking the other fruit, black can be satisfied with taking sente to build.

The oddly placed komoku seems to occur more frequently as an opening for black than white, but even so not very many professionals have played that way. The placement of the stones themselves probably punish white enough, but for white against the sanrensei there's nothing for him to do but approach from the side like he would normally.
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