Author: Rex
Date: 16:01:57 08/06/03
Go up one level in this thread
On August 06, 2003 at 09:01:41, Jorge Pichard wrote: >In this position Botvinnik calculated a straightforward way to win by exchanging >off the Queens: How many programs can find the winning move 52...Qe3+? > >[D]8/kp6/P5p1/2p1p3/2PpP3/3P3Q/4q3/6K1 b - - 0 1 Running Shredder, Custome settings, on a Dual 2600 gives the following. 00:00:00.0 2.94 1 1 bxa6 00:00:00.0 2.94 1 2 bxa6 00:00:00.0 2.45 2 69 bxa6 Qh7+ Kb8 00:00:00.0 2.45 2 119 bxa6 Qh7+ Kb8 00:00:00.0 2.58 2 304 Qe3+ Kg2 Kxa6 00:00:00.0 2.91 2 477 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 00:00:00.0 2.91 3 979 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kc6 00:00:00.0 3.32 4 2905 Qe3+ Qxe3 dxe3 Kf1 Kxa6 Ke2 g5 Kxe3 00:00:00.0 3.32 4 3159 Qe3+ Qxe3 dxe3 Kf1 Kxa6 Ke2 g5 Kxe3 00:00:00.0 3.07 5 5866 Qe3+ Qxe3 dxe3 axb7 Kb6 b8Q+ Ka5 00:00:00.0 2.57 5 6060 Qe3+ Qxe3 dxe3 axb7 g5 Kf1 Ka6 b8Q e2+ 00:00:00.1 1.34 5 7018 Qe3+ Qxe3 dxe3 axb7 g5 Kf1 Kxb7 Ke2 g4 00:00:00.1 1.35 5 8870 Qe1+ Kg2 Kxa6 Qe6+ Ka5 Qc6 bxc6 00:00:00.1 1.71 5 9697 Qe1+ Kg2 Kxa6 Qh2 Qe2+ Kh1 Qxd3 Qxe5 00:00:00.1 2.70 5 22465 Qe1+ Kg2 Qd2+ Kg1 Qd1+ Kg2 Qd2+ Kg1 00:00:00.1 2.71 5 26345 Kxa6 Qd7 Qxd3 Qa4+ Kb6 Qb5+ Ka7 Qxc5+ 00:00:00.1 3.06 5 28686 Kxa6 Qe6+ b6 Qc8+ Ka5 Qa8+ Kb4 Qd8 00:00:00.1 3.16 5 30145 Kxa6 Qe6+ b6 Qxe5 Qe3+ Kg2 Qd2+ Kg1 00:00:00.1 2.91 6 37183 Kxa6 Qe6+ Ka5 Qxe5 Qe3+ Kg2 Qd2+ Kh1 00:00:00.1 2.41 6 38369 Kxa6 Qe6+ Ka5 Qxe5 Qe3+ Kg2 Qd2+ Kh1 00:00:00.1 2.31 6 43845 Kxa6 Qe6+ b6 Qc6 Qg4+ Kf2 Qh4+ Kg2 g5 00:00:00.1 2.32 6 46590 Qe1+ Kg2 Qd2+ Kf3 00:00:00.1 2.67 6 47980 Qe1+ Kg2 Qd2+ Kf3 Kxa6 Qf1 b5 Kg4 00:00:00.1 2.67 6 57565 Qe1+ Kg2 Qd2+ Kg1 g5 axb7 Qxd3 Qxd3 00:00:00.1 2.62 7 83608 Qe1+ Kg2 Qd2+ Kg1 Qd1+ Kg2 Qd2+ Kg1 00:00:00.3 2.37 8 284697 Qe1+ Kg2 Qd2+ Kh1 Qc1+ Kg2 Qc2+ Kg1 00:00:00.4 2.36 8 342255 Qe1+ Kg2 Qd2+ Kh1 Qc1+ Kg2 Qg5+ Kf1 00:00:00.4 2.37 8 409367 Qd1+ Kg2 Kxa6 Qe6+ b6 Qc6 Qc2+ Kf1 00:00:00.5 2.39 8 452697 Qd1+ Kg2 Qc2+ Kg1 bxa6 Qh7+ Kb6 Qxg6+ 00:00:00.6 2.64 9 605928 Qd1+ Kg2 Qc2+ Kg1 Qc1+ Kg2 Qb2+ Kf1 00:00:00.7 2.86 9 678331 Qd1+ Kg2 Qc2+ Kg1 Qc1+ Kg2 Qb2+ Kf1 00:00:01.0 2.86 10 864188 Qd1+ Kg2 Qc2+ Kg1 Qc1+ Kg2 Qd2+ Kh1 00:00:01.5 2.86 11 1368240 Qd1+ Kg2 Qc2+ Kg1 Qc1+ Kg2 Qd2+ Kh1 00:00:02.9 2.86 12 2516379 Qd1+ Kg2 Qc2+ Kg1 Qc1+ Kg2 Qd2+ Kh1 00:00:04.0 2.87 12 3206910 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kb6 Ke1 00:00:04.1 3.22 12 3221942 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kb6 Ke2 00:00:04.1 3.32 12 3253349 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kb6 Ke2 00:00:04.3 3.34 13 3383274 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kb6 Ke2 00:00:05.9 3.34 14 4380426 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kb6 Ke2 00:00:09.5 3.34 15 6692829 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kb6 Ke2 00:00:18.6 3.34 16 12097626 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 00:00:51.8 3.39 17 31740962 Qe3+ Qxe3 dxe3 axb7 Kxb7 Kf1 Kb6 Ke2 Ka5 Kxe3 Kb4 Kd2 g5 Kc2 g4 Kd2 g3 Ke2 Kc3 Kf3 Kxd3 Kxg3 Ke3 Kg4 Kxe4 Kg5 Kf3
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