Variations of Our Solution (IIIb)
Dany's Ko: Joachim's No-Ko-Threats
VAR (.1)
: ( 648qa) | |
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: Ignoring White's previous move is out of the question, as White would turn his upper left corner into a seki. For details, please refer to an older subvariation ( 648nf). Please note that there the order of White's first two moves in the corner is interchanged. : ( A 648qd) KataGo (2021i) favours the connection in the right centre just now, which implies that KataGo (2021i) wants to play this move as early as possible. : (167 648qe) KataGo (2021i) favours a move at , instead, which will allow White to generate yet another ko threat in the upper left corner. Nevertheless, the outcome of the ko fight here will not be affected, as White is already ahead in valid ko threats. : (162 648qk) Again, Black is unable to ignore White's previous move, instead. If he really did, his entire corner would be turned into a seki. : ( A 648qm) However, this is the last moment, when Black can play the connection at in the right centre, in order to benefit in the Semeai Variation. : : : (A 648qn) Connecting at in the right centre, instead, will not affect the final scores of the game. This window of opportunity has closed. |
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; : : : : Alternatively, he might consider capturing with immediately. : Connecting her stone in the upper right with , instead, will be mistaken, similar to the case when White plays as a ko threat ( 648qt; please note that White's different play in the upper left corner does not matter). |
: (A 648qo) Black might want to give Joachim's idea of throwing-in at in the guzumi area a try. White, however, will benefit by one point overall - if she stays calm enough to find the correct counter. : | |
Black plays 0/2 reductions. After White's kikashi in the lower left corner, Black will have to capture at before the end of the game. | |
Capture Variation: Compared to the superordinate variation ...
In total, gains and losses compensate for each other. White + 2 => White + 2 | |
Semeai Variation: Compared to the superordinate variation ...
In total, gains and losses compensate for each other. White + 2 => White + 2 | |