Author: Kim Roper Jensen
Date: 18:58:14 09/06/03
Position from the game Larsen - Kavalek Montreal Tournament of Stars [D]1k6/8/B3K1P1/5P2/1pRr2Nn/2b5/8/8 b - - Only move here for black is Nxf5 and get both white pawns and it should be a draw - according to the notes by Whiteley (its taken from the tournament book, by Tal, Chepizhny & Roshal) Shredder 6 Paderborn Classical finds Nxf5 fast, but no drawscore after a long time ... this on 2Ghz AMD with 256MB hashtable but very limited endgametablebases Anyone sees this with a draw score ? or have a large collection of endgametablebases :) 1.00 0:00 -7.08-- 1...Rxg4 2.Rxg4 (2) 1.00 0:00 -7.29 1...Rxg4 2.Rxg4 (4) 1.00 0:00 -7.04++ 1...Rxc4 2.Bxc4 (5) 1.00 0:00 -6.11++ 1...Rxc4 2.Bxc4 (7) 1.00 0:00 -3.47 1...Rxc4 2.Bxc4 (9) 1.00 0:00 -2.30++ 1...Rd8 (21) 1.00 0:00 -2.30 1...Rd8 (22) 2.00 0:00 -2.55-- 1...Rd8 2.Rf4 (47) 2.00 0:00 -3.09-- 1...Rd8 2.Nf6 Bxf6 3.Kxf6 (65) 2.00 0:00 -3.19 1...Rd8 2.Nf6 Bxf6 3.Kxf6 (91) 9.1 2.00 0:00 -3.15++ 1...Rxc4 2.Bxc4 Bg7 (122) 12.2 2.00 0:00 -3.15 1...Rxc4 2.Bxc4 Bg7 (144) 14.4 3.00 0:00 -3.43-- 1...Rxc4 2.Bxc4 Kb7 3.Nf6 (389) 38.9 3.00 0:00 -3.96-- 1...Rxc4 2.Bxc4 Bd4 3.Nf6 (455) 45.5 3.00 0:00 -4.21 1...Rxc4 2.Bxc4 Bg7 3.f6 Nxg6 4.fxg7 (573) 57.3 3.00 0:00 -4.16++ 1...Rd8 2.Bb5 Bg7 (768) 76.8 3.00 0:00 -3.81++ 1...Rd8 2.Nf2 Re8+ 3.Kf7 (851) 85.1 3.00 0:00 -3.41 1...Rd8 2.Nf6 Nf3 (1.030) 103.0 3.00 0:00 -3.35++ 1...Ka7 2.Rxd4 Bxd4 3.Bb7 (1.786) 178.6 3.00 0:00 -3.35 1...Ka7 2.Rxd4 Bxd4 3.Bd3 (1.814) 90.7 4.00 0:00 -3.17 1...Ka7 2.Rxd4 Bxd4 3.Bc4 Bg7 (2.777) 138.8 5.00 0:00 -3.45-- 1...Ka7 2.Rxd4 Kb8 3.Nf6 Bxd4 (4.831) 241.5 5.00 0:00 -4.08-- 1...Ka7 2.Rxd4 Bxd4 3.Bc4 Kb6 4.Ne5 (4.936) 246.8 5.00 0:00 -4.25 1...Ka7 2.Rxd4 Bxd4 3.Bc4 Bg7 4.f6 Nxg6 5.fxg7 (7.014) 233.8 5.00 0:00 -4.24++ 1...Rd8 2.Rc8+ Rxc8 3.f6 (8.519) 283.9 5.00 0:00 -3.89++ 1...Rd8 2.Ne5 Re8+ 3.Kd7 Rxe5 4.Rxc3 (8.976) 299.2 5.00 0:00 -3.10 1...Rd8 2.Nf6 Nf3 3.Rf4 Nd4+ 4.Kf7 (13.447) 336.1 6.00 0:00 -3.35-- 1...Rd8 2.Nh6 Nf3 3.f6 Re8+ 4.Kf7 Ne5+ 5.Kxe8 Nxc4 (32.395) 404.9 6.00 0:00 -3.65 1...Rd8 2.Nh6 Ng2 3.Rg4 Ne3 4.Rg1 (36.489) 405.4 6.00 0:00 -3.64++ 1...Rd1 2.Ne5 Re1 3.Ke7 (76.312) 448.8 6.00 0:00 -3.64 1...Rd1 2.Ne5 Re1 3.Rc5 Rxe5+ 4.Rxe5 Ka7 5.g7 Kxa6 (76.914) 452.4 7.01 0:00 -3.89-- 1...Rd1 2.Ne5 Bxe5 3.Kxe5 Re1+ 4.Re4 Nf3+ 5.Kf4 Rxe4+ 6.Kxe4 Ka7 7.Kxf3 (94.217) 471.0 7.01 0:00 -3.93 1...Rd1 2.Ne5 Re1 3.Rc5 Nf3 4.g7 Nd4+ 5.Kf7 (128.137) 474.5 7.02 0:00 -3.92++ 1...Rd8 2.Ne5 Re8+ 3.Kf7 Rxe5 4.Rc8+ Ka7 5.g7 (138.085) 476.1 7.02 0:00 -3.57++ 1...Rd8 2.Ne5 Re8+ 3.Kf7 Rxe5 4.Rxh4 (150.721) 486.1 7.02 0:00 -3.51 1...Rd8 2.Nh6 Ng2 3.f6 Rf8 4.Ng4 Ne3 (199.233) 485.9 8.01 0:00 -3.76-- 1...Rd8 2.Nh6 Ng2 3.f6 Rf8 4.g7 Ka7 5.gxf8Q Nf4+ 6.Rxf4 (245.678) 491.3 8.01 0:00 -4.07 1...Rd8 2.Nh6 Ng2 3.f6 Rf8 4.g7 Rxf6+ 5.Kd7 Rg6 6.g8Q+ Rxg8 7.Nxg8 (311.568) 502.5 8.02 0:00 -4.06++ 1...Rd1 2.Ne5 Re1 3.Rc5 Rg1 4.Be2 (357.657) 510.2 8.02 0:00 -3.91 1...Rd1 2.Ne5 Re1 3.Rc5 Rg1 4.Bc4 Bxe5 5.Rb5+ Kc7 6.Kxe5 (387.763) 509.5 9.01 0:01 -4.16-- 1...Rd1 2.Ne5 Re1 3.Rc5 Bxe5 4.Rxe5 Rd1 5.g7 Rd5 (535.029) 518.9 9.01 0:01 -4.54 1...Rd1 2.Ne5 Re1 3.Rc5 Re3 4.g7 Rg3 5.Nc6+ Ka8 6.f6 (709.127) 524.5 9.02 0:01 -4.53++ 1...Rd8 2.Nh6 Ng2 3.f6 Rf8 4.Rc8+ Rxc8 5.Ke7 (800.161) 525.7 9.02 0:01 -4.18++ 1...Rd8 2.Nh6 Ng2 3.f6 Rf8 4.Rc8+ Rxc8 5.Nf5 (839.680) 527.4 9.02 0:01 -4.18 1...Rd8 2.Nf6 Ka7 3.Rxh4 Kxa6 4.g7 Bxf6 5.Kxf6 Ka5 6.Rh8 b3 7.Rxd8 (992.699) 527.4 9.22 0:02 -4.15++ 1...Nxf5 2.Kxf5 (1.199.702) 532.4 9.22 0:02 -4.15 1...Nxf5 2.Kxf5 (1.199.703) 530.1 10.01 0:02 -4.15 1...Nxf5 2.Kxf5 (1.199.704) 530.1 11.01 0:04 -3.90++ 1...Nxf5 2.Kxf5 Rd5+ 3.Ke6 Rg5 4.Kf7 Rf5+ 5.Ke8 Rg5 6.Nh6 (2.221.819) 539.8 11.01 0:04 -3.80 1...Nxf5 2.Kxf5 Rd5+ 3.Ke6 Rg5 4.Kf7 Rf5+ 5.Kg8 Rg5 6.Kh7 Ka7 7.Kh6 (2.306.924) 543.3 12.01 0:06 -3.60 1...Nxf5 2.Kxf5 Rd5+ 3.Ke6 Rg5 4.Kf7 Rf5+ 5.Kg8 Rg5 6.Kh7 Ka7 7.Bc8 (3.713.093) 546.9 13.01 0:11 -3.58 1...Nxf5 2.Kxf5 Rd5+ 3.Ke6 Rg5 4.Kf7 Rf5+ 5.Kg8 Rg5 6.Kh7 Ka7 7.Bc8 (6.064.995) 532.6 14.01 0:20 -3.69 1...Nxf5 2.Kxf5 Rd5+ 3.Ke6 Rg5 4.Kf7 Rf5+ 5.Kg8 Rg5 6.Kh7 Ka7 7.Bc8 Kb6 8.Bd7 (11.053.434) 533.2 15.01 0:44 -3.44++ 1...Nxf5 2.Kxf5 Rd5+ 3.Ke6 Rg5 4.Kf7 Rf5+ 5.Kg8 Rg5 6.g7 (22.955.515) 514.6 15.01 0:53 -3.10 1...Nxf5 2.Kxf5 Rd5+ 3.Ke4 Rd6 4.Rc8+ Ka7 5.Bc4 Rxg6 6.Ne3 Rg7 7.Nd5 Rg4+ 8.Kd3 Rg3+ 9.Ke2 Rg7 10.Rf8 (27.889.315) 518.5 16.01 1:52 -2.94 1...Nxf5 2.Kxf5 Rd5+ 3.Ke4 Rd6 4.Bc8 Rxg6 5.Kd3 Rd6+ 6.Kc2 Rd2+ 7.Kb3 Bg7 8.Bf5 (57.503.138) 510.7 17.01 3:22 -2.83 1...Nxf5 2.Kxf5 Rd5+ 3.Ke4 Rd6 4.Rc8+ Ka7 5.Be2 Rxg6 6.Kd3 Bg7 7.Kc2 b3+ 8.Kb1 Kb6 9.Ne3 Rg1+ 10.Rc1 (103.811.322) 513.6 18.01 6:26 -2.85 1...Nxf5 2.Kxf5 Rd5+ 3.Ke4 Rd6 4.Rc8+ Ka7 5.Bb5 Kb7 6.Rc5 Rxg6 7.Ne3 Kb6 8.Rd5 b3 9.Nc4+ Kb7 (197.104.454) 510.3 19.01 13:41 -2.85 1...Nxf5 2.Kxf5 Rd5+ 3.Ke4 Rd6 4.Rc8+ Ka7 5.Bb5 Rxg6 6.Ne3 Kb7 7.Rc5 Bg7 8.Nd5 b3 9.Bd7 Rg3 10.Rb5+ (413.891.384) 503.8 best move: Nh4xf5 time: 22:32.595 min n/s: 505.376 CPU 96.8% nodes: 683.569.436 TB: 1.256.460
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