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(Referenced by 219) : (A 519) |
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: (A 521) (B 528) |
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: (A 530) (B 531 / C 532) |
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: (A 544) |
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: (B 545) |
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: (C 546; D 546) |
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: (91 548)
: ( A 1093a) We ask for your kind understanding that we have not been able to adjust the structure of our website according to the new correct order of moves, but only added a corresponding note in the affected variations. |
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The large fight on the board, between Black's eyeless group in the top right, and White's group on the left side, which cannot get more than one eye, is already decided. So it seems technically correct to continue with the endgame on the left side of the board, and to finish the Main Semeai later. This is based on a suggestion of Professor Prof. Jeong SooHyun 9p ( 810). |
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: (B 549; C 550) There are slight differences in the evaluation of a few moves - compared to our solution - when the endgame on the left side is played last, and White continues with capturing Black's nakade with a move at . |
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: (B 560; C 563)
: (D 566a) We ask for your kind understanding that we have not been able to adjust the structure of our website according to the new correct order of moves, but only added a corresponding note in the affected variations. |
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: ( 100 566k) We ask for your kind understanding that we have not been able to adjust the structure of our website according to the new correct order of moves, but only added a corresponding note in the affected variations. |
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: (A 567) |
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: (110 569) |
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: (114 573) |
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: (120 574; 119 575) |
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: (D 576) demonstrably works completely independent of the rest of the board ( 822), while - in principle - the success of the atari at depends on ko (assuming that the liberty count is not an issue, but what is not the case here). This is especially true with the professional solution, where the guzumi exchange ( / ) has not been played beforehand. Despite the fact that Black cannot successfully fight, and win, this ko (please refer to the appropriate variation of the professional solution; 731), we decided to have the unconditional alternative in our solution's sequence. White does not profit from further reducing Black's potential territory on the left side, starting with a move at , instead. |
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: Therefore, it is not necessary for White to play her own kikashi at earlier, to steal Black's kikashi its impact. |
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: (146 578) |
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: (A 580) |
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(Referenced by 74) : (A 582) Black is obliged to take a liberty inside White's eye - any other move leads to the Punishment Semeai, and is a disaster for Black! This move is being played because it takes a liberty, and not because it is an eye-stealing point as coincidently also is in the classical nakade-filling sequence. |
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: (163 583) However, fate has not been kind to her. Her groups on the left edge and in the hanezeki at bottom right are now one stone too large; on the other hand, Black's tail of the hanezeki has one stone too few. Whatever White decides, victory will be denied her. White chooses the main variation, which we call the "Semeai Variation". It is worse for her to capture with in the centre (= "Capture Variation"), instead. |
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: (A 586) |
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: (A 587) |
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Black wins by three points. This result is fairly stable with respect to small changes of moves, as well as to the order of moves, and is the standard result for the Semeai Variation with the double throw-in. Igo Hatsuyōron is a Japanese classic, so it is natural to use Japanese territory scoring throughout this book. Please also note that the Igo Hatsuyōron was written in an era, in which Komi was not yet used. |
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