Small board Go / Three By Four Solution

Sub-page of SmallBoardGo
[Diagram]

Sacrifice for ko

Black throws in with B1 and B3, then connects with B5.

[Diagram]

Ko

White has no defense.


[Diagram]

Correct play (Japanese)

Therefore, the original position is bad for White. Instead, W4 descends. W6 is a throw-in for shortage of liberties.

[Diagram]

Seki

Black gets 2 points for the two prisoners.

[Diagram]

Correct play (Chinese)

Black wins by 4.

Note that by stone counting, Black wins by 3 points either way. In the second diagram Black needs one (false) eye for life.


This is a copy of the living page "Small board Go / Three By Four Solution" at Sensei's Library.
(OC) 2012 the Authors, published under the OpenContent License V1.0.
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