:: Igo Hatsuyôron 120 (2015)

Joachim's Ko-Semeai - Putting the Cart

Before the Horse (2013 - 2015)

1b2b - White Must Revert to the

Single Throw-in

( 977)

(Referenced by 978; 999)


It is a must for White to play her gote move at , as shown here, instead of at , to revert to the single throw-in ( 990). Thereafter, White again has the exchanges / , and / , available to enforce the occupation of Black's hanezeki-oriented liberties in sente. Black will need one external ko-threat to win.

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