Author: Matthew White
Date: 12:56:47 10/20/03
Go up one level in this thread
On October 20, 2003 at 15:39:44, Darren Rushton wrote: >[D]2r1r3/pp3nkp/1q1p2p1/3P4/3NNP2/6Pb/PP1Q4/4RR1K w - - 0 25 > >The game turned out to be Botvinnik-Suttles, Belgrade 1969. The tempting 25.f5? >is a mistake, in view of 25...Re4! In the game there followed 25.Rf3? Rc4 >26.Rd3, and now instead of 26...Qb4?! 27.b3 Qd2 28.Rd2 Qc7 29.Rde2 Black could >have equalized completely with 26...Bf5! 27.Nf5+ gf5 28.Rb3 Qc7. But White >missed a winning line (pointed out by Tringov): > >25.b3!! Bf1 26.Qb2 Kf8 27.Ne6+ Re6 28.de6...Botwinnik himself [wrote]...'my old >"illness" - weak combinational vision - was to blame'. > >How many programs find b3!! SOS 3 with a 129 MB Hashtable on a 2x2.4 Ghz Xeon Finds it (though the line is not entirely correct, it seems to be transposing a little): SOS_Arena 3 UCI 129 MB: D1 00:00 -0.36 Rf1f3 D2 00:00 -0.30 Rf1f3 D3 00:00 -0.29 Rf1f3 Kg7h8 f4f5 D3 00:00 -0.18 Rf1f3 Kg7h8 Kh1h2 D3 00:00 -0.05 Rf1f3 Kg7h8 Kh1h2 D4 00:00 -0.03 Rf1f3 Kg7h8 Kh1h2 Bh3g4 D5 00:00 -0.21 Rf1f3 Rc8c4 Rf3d3 D6 00:00 -0.21 Rf1f3 Rc8c4 Rf3d3 D6 00:00 -0.10 Rf1f3 Rc8c4 Rf3d3 D7 00:00 -0.07 Rf1f3 Rc8c4 Rf3d3 Qb6d8 Rd3c3 Rc4xc3 b2xc3 D8 00:00 0.01 Rf1f3 Rc8c4 Rf3d3 Bh3f5 Nd4xf5 g6xf5 Rd3b3 Qb6d8 Ne4g5 Re8xe1 Qd2xe1 Nf7xg5 f4xg5 D9 00:01 0.01 Rf1f3 Rc8c4 Rf3d3 Bh3f5 Nd4xf5 g6xf5 Rd3b3 Qb6d8 Ne4g5 Re8xe1 Qd2xe1 Nf7xg5 f4xg5 D10 00:01 0.01 Rf1f3 Rc8c4 Rf3d3 Bh3f5 Nd4xf5 g6xf5 Rd3b3 Qb6d8 Ne4g5 Re8xe1 Qd2xe1 Nf7xg5 f4xg5 D11 00:03 0.01 Rf1f3 Rc8c4 Rf3d3 Bh3f5 Nd4xf5 g6xf5 Rd3b3 Qb6d8 Ne4g5 Re8xe1 Qd2xe1 Nf7xg5 f4xg5 D11 00:08 0.04 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D11 00:09 0.14 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D11 00:11 0.23 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D11 00:12 0.33 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D11 00:13 0.38 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D11 00:14 0.49 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D11 00:15 0.54 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D11 00:16 0.60 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 Kg7f8 e6xf7 d5xe4 Qb2h8 D12 00:23 0.60 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 Nf7d8 Qd2b2 Kg7h6 Ne4g5 Qb6c6 Kh1g1 Qc6c2 Qb2xc2 Rc8xc2 Re1xf1 D12 00:25 0.63 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 Nf7d8 Qd2b2 Kg7h6 Ne4g5 Qb6c6 Kh1g1 Qc6c2 Qb2xc2 Rc8xc2 Re1xf1 D12 00:26 0.66 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 Nf7d8 Qd2b2 Kg7h6 Ne4g5 Qb6c6 Kh1g1 Qc6c2 Qb2xc2 Rc8xc2 Re1xf1 D13 00:38 0.68 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:40 0.69 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:42 0.71 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:43 0.73 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:45 0.75 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:46 0.76 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:48 0.77 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:49 0.78 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D13 00:50 0.80 b2b3 Bh3xf1 Nd4e6 Re8xe6 d5xe6 d6d5 Qd2b2 d5d4 e6xf7 Bf1d3 Ne4g5 Rc8c2 f7f8Q Kg7xf8 Qb2a3 D14 01:44 0.79 b2b3 Re8xe4 Re1xe4 Bh3xf1 Qd2b2 Kg7g8 Nd4e6 Nf7e5 f4xe5 Bf1d3 Re4f4 d6xe5 Qb2xe5 Rc8c1 Kh1h2 Qb6g1 D15 02:16 0.79 b2b3 Re8xe4 Re1xe4 Bh3xf1 Qd2b2 Kg7g8 Nd4e6 Nf7e5 f4xe5 Bf1d3 Re4f4 d6xe5 Qb2xe5 Rc8c1 Kh1h2 D15 02:23 0.80 b2b3 Re8xe4 Re1xe4 Bh3xf1 Qd2b2 Kg7g8 Nd4e6 Nf7e5 f4xe5 Bf1d3 Re4f4
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