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End Game Test Two Book Solution Black
Keywords: Problem, EndGame
W's marked stones are suffering from too many cutting points plus a shortage of liberties. As a result B can jump in to 1, making the upper left corner the largest play on the board. After W ends in gote with 6, B plays 7 which is another nice tesuji in this shape with the cutting point at 'a'. B threatens the follow-up shown below. Before answering 7, W turns to the bottom side where 8 and 10 threaten the life of the bottom B group and are absolute sente.
B plays 1 and W can not intercept at 3 or else B will cut at 'a' and descend to 4 capturing all the W stones. After W answers at 2 she also as to connect at 4 (or 'a'), ending in gote. Note that if B plays hane at 3 directly without playing the marked stone (7 in diagram 1) first, W will reply at 1 and not have to connect. Thus B will give up sente for only 1 additional point compared to the solution diagram.
9 at 6 After forcing B along the bottom W returns to the upper right corner. B 3 and W 4 follow and the last interesting point comes after B 5. W has to answer since B threatens to cut at 'a' creating a shortage of liberties for W and then capture 2 W stones with a play at 8. W throws in at 6 before playing 8 herself. This does not earn any points but is good technique worth remembering. The exchange of 6 for 7 makes the point 'b' a source of 2 ko threats should a ko fight develop later in the game. W 10 ends the scoring. In filling in the liberties W will have to add a stone at 'a' while B will have to connect at 'c'. The final result is a tie (jigo). This is a copy of the living page "End Game Test Two Book Solution Black" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |