:: Igo Hatsuyôron 120 (2015)

About Approach-Move Liberties (2009)

In this problem, the effect of a move sometimes does not become evident for another 50 to 100 moves. One example concerns (potential) approach-move liberties, which we will explain in detail in this chapter.

Liberties 1096
Approach-Move Liberties in Problem 120 1097
      The Guzumi 1097
      The Hasami-Tsuke 1098
            [ The Hasami-Tsuke does not affect the liberty count ] 1099
            [ If White answers with the Atari, she loses a move ] 1100
            [ Sacrificing White's two stones has the same effect ] 1101
            [ Territorial consequences of White's Atari ] 1102
            [ Without Black's Kikashi White cannot profit territorially ] 1106
            [ With Joachim's Ko-Semeai, the general conditions are interchanged ] 1107
      Conclusion 1108
      For Comparison - The Fujisawa Solution 1109

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