Author: Vincent Lejeune
Date: 00:01:05 05/01/04
Go up one level in this thread
On April 30, 2004 at 23:45:06, Robert Hyatt wrote: >On April 30, 2004 at 20:34:33, Vincent Lejeune wrote: > >>On April 30, 2004 at 17:21:34, José Antônio Fabiano Mendes wrote: >> >>> [D]7k/6p1/2P3Qp/p3q2P/8/6P1/5K2/8 w >>> Bogoljubow vs Stahlberg, Kemeri 1933 1. Qc2!! Qxh5 2. Qc4! >> >>All test on an AMD 2800+@12*180Mhz >> >>and ? what's the point of 2. Qc4 ? >>Shredder 8 doesn't see more than a draw , after 2...Qf5+ > >Let it search deeper... ok, let's go : I add 1 move again in the line so this analyse is after 1. Qc2 Qxh5 2. Qc4 Qf5+ 3. Ke3 (this last move is in the main line of Crafty). Shredder see no win ; the more I dig, the more I found draw scores ! [D]7k/6p1/2P4p/p4q2/2Q5/4K1P1/8/8 b - - 0 1 Analysis by Shredder 8: ... 3...De5+ 4.Rf3 Df5+ 5.Df4 Dc8 6.Dh4 ² (0.40) Profondeur: 11/29 00:00:03 673kN, tb=207 3...De5+ 4.Rf3 Df5+ 5.Rg2 Dc8 6.Dc5 = (0.13) Profondeur: 11/34 00:00:08 2381kN, tb=524 3...Dh3 4.Rf4 Dc8 5.g4 = (0.12) Profondeur: 11/34 00:00:08 2535kN, tb=633 3...Dh3 4.Rf4 h5 5.De2 g5+ 6.Rxg5 Dxg3+ 7.Rxh5 Dh3+ 8.Rg5 Rh7 = (0.11) Profondeur: 11/34 00:00:09 2693kN, tb=956 3...Dh3 4.Rf4 h5 5.De2 Rh7 6.Dd3+ Rg8 7.Dd5+ Rh8 8.Dd8+ Rh7 9.Dh4 Df1+ 10.Re5 Db5+ 11.Rd6 Dd3+ 12.Re6 Dg6+ 13.Df6 gxf6 ² (0.33) Profondeur: 12/32 00:00:13 3659kN, tb=2240 3...De5+ 4.Rf3 Df5+ 5.Df4 Dd3+ 6.Rg2 ² (0.32) Profondeur: 12/33 00:00:13 3748kN, tb=2248 3...De5+ 4.Rf3 Df5+ 5.Rg2 Dc8 6.Dc5 = (0.13) Profondeur: 12/33 00:00:14 3989kN, tb=2268 3...Dc8 4.c7 a4 5.Dc5 Rh7 6.De7 a3 7.De4+ Rh8 8.Dd5 Dxc7 9.Dg8+ Rxg8 10.Rf3 Da7 = (0.12) Profondeur: 12/33 00:00:15 4136kN, tb=2325 3...Dc8 4.c7 a4 5.Dc5 Rh7 6.Dd6 Dg4 7.Df4 Dc8 8.Dd6 Dg4 9.Df4 Dc8 10.Dd6 Dg4 = (0.00) Profondeur: 12/33 00:00:15 4344kN, tb=2386 3...Dc8 4.Rd2 Dc7 5.De6 Dxg3 6.Dc8+ Rh7 7.Df5+ Rh8 8.Df8+ Rh7 9.Df5+ Rh8 10.Df8+ Rh7 11.Df5+ Rh8 = (0.03) Profondeur: 13/39 00:00:22 6098kN, tb=3126 3...Dc8 4.c7 a4 5.Rd3 Rh7 6.Rc3 Rg6 7.Dd3+ Rg5 8.Dd8+ Rg4 9.Dxc8+ Rxg3 10.Rc2 Rg2 ² (0.28) Profondeur: 14/35 00:00:35 9277kN, tb=6540 3...Dc8 4.c7 a4 5.Rd3 a3 6.Rc3 Df8 7.c8D Rh7 ± (0.77) Profondeur: 14/35 00:00:37 10103kN, tb=6788 3...De5+ 4.Rf3 Dc7 5.De6 Db8 6.Dxh6+ gxh6 7.c7 Dxc7 8.g4 ± (0.76) Profondeur: 14/38 00:00:40 11334kN, tb=6826 3...De5+ 4.Rf3 Dc7 5.De6 Db8 6.Dxh6+ gxh6 7.c7 Dxc7 8.g4 a4 9.Re4 ² (0.41) Profondeur: 14/38 00:00:41 11875kN, tb=6847 3...De5+ 4.Rf3 Df5+ 5.Rg2 Dc8 6.Dc5 = (0.13) Profondeur: 14/40 00:01:05 21080kN, tb=10242 3...De5+ 4.Rf3 Df5+ 5.Rg2 Dc8 6.Dc5 = (0.13) Profondeur: 15/40 00:01:35 27904kN, tb=16735 3...De5+ 4.Rd2 Dc7 5.Db5 Dd6+ 6.Rc2 Dxg3 7.Db7 Dg2+ 8.Rc3 Df3+ 9.Rd4 Df2+ 10.Rc4 g5 11.c7 Dh4+ 12.Rb5 Da4+ 13.Rxa4 Rg7 = (0.04) Profondeur: 16/42 00:03:33 73073kN, tb=25339 3...De5+ 4.Rf3 Df5+ 5.Re2 De5+ 6.Rd1 Dxg3 7.c7 Dg1+ 8.Rc2 Dg2+ 9.Rb3 Db7+ 10.Ra4 g6 = (0.18) Profondeur: 17/45 00:07:44 167069kN, tb=45833 3...De5+ 4.Rd2 Dc7 5.g4 g5 6.De6 Df4+ 7.Rd3 Df1+ 8.De2 Dh3+ 9.Rd2 Dg3 10.De8+ Rg7 11.Dd7+ Rf6 12.c7 a4 13.c8D De1+ 14.Rxe1 a3 15.Dcb7 ² (0.43) Profondeur: 18/47 00:16:45 383501kN, tb=106476 3...De5+ 4.Rd2 Dc7 5.g4 Rh7 6.Rd1 g6 7.De6 Dg3 8.Dd7+ Rg8 9.c7 Db3+ 10.Re2 Dc4+ 11.Rd2 Db4+ 12.Rd3 Db3+ 13.Re4 Dc4+ 14.Re3 Dc1+ 15.Rd4 Dd1+ 16.Rc5 Dxd7 ² (0.43) Profondeur: 18/47 00:18:45 436966kN, tb=119970 > > >> >>[d]7k/6p1/2P4p/p4q2/2Q5/6P1/5K2/8 w - - 0 1 >> >>Analysis by Shredder 8: >> >>1. = (0.06): 3.Re3 Dg5+ 4.Rf3 Df5+ 5.Rg2 Dc8 6.Dd3 Dxc6+ 7.De4 Dxe4+ 8.Rf2 >>2. = (0.06): 3.Re2 De5+ 4.Rf3 Dc7 5.Dc3 a4 6.Re3 >>3. = (0.05): 3.Re1 Dc8 4.c7 a4 5.Rd2 Rh7 >> >>> >>> [D]8/8/p7/2Q5/1P6/1P3qp1/3k4/6K1 b >>> Grigoriev 1930 1...Kd1! >>> The immediate transposition into a pawn ending leads only to a draw. >> >>winning : 1 sec ; -6 after 17 sec >> >>Analysis by Shredder 8: >>... >>1...Dxb3 2.Dd5+ Dxd5 3.b5 axb5 >> -+ (-1.53) Profondeur: 4/16 00:00:00 >>1...Dxb3 2.Rg2 Da3 3.Dd6+ Rc2 >> -+ (-1.72) Profondeur: 4/16 00:00:00 >>1...De2 2.Dd6+ Dd3 3.Dh6+ Rc3 4.Dc1+ Rxb3 >> -+ (-1.74) Profondeur: 4/16 00:00:00 >>1...De2 2.Dd6+ Dd3 3.Db8 Dxb3 >> -+ (-2.09) Profondeur: 4/16 00:00:00 >>1...De2 2.Dd4+ Rc2 3.Dc4+ Rd1 4.Dc3 >> -+ (-2.14) Profondeur: 4/16 00:00:00 >>1...De2 2.Dd4+ Rc2 3.Dc4+ Rd1 4.Dxe2+ Rc1 5.Dxa6 >> -+ (-1.89) Profondeur: 5/13 00:00:00 >>1...De2 2.Dd4+ Dd3 3.Db2+ Re1 4.De5+ Rd1 5.Da1+ Re2 6.Df1+ Re3 7.De1+ Rf3 >> -+ (-1.66) Profondeur: 5/17 00:00:00 >>1...Dxb3 2.Dc4 Dxc4 3.Rh1 Dxb4 >> -+ (-1.67) Profondeur: 5/19 00:00:01 >>1...Dxb3 2.Rg2 Da3 3.Dd6+ Rc2 4.Dg6+ Rc1 5.Dxg3 Dxb4 >> -+ (-1.76) Profondeur: 5/19 00:00:01 >>1...Rd1 2.Dd4+ Rc2 3.Df2+ gxf2+ 4.Rh2 f1D >> -+ (-1.77) Profondeur: 5/19 00:00:01 >>1...Rd1 2.Dd4+ Rc2 3.Dc4+ Rb2 4.Dxa6 Df2+ 5.Rh1 >> -+ (-1.90) Profondeur: 5/19 00:00:01 >>1...De4 2.Dg5+ De3+ 3.Dxe3+ Rxe3 4.Rg2 Rf4 5.Rf1 Rf3 6.Rg1 Rg4 >> -+ (-1.96) Profondeur: 5/19 00:00:01 >>1...De4 2.Dd6+ Dd3 3.Dc6 Dd4+ 4.Rh1 Dh4+ 5.Rg1 >> -+ (-2.27) Profondeur: 5/19 00:00:01 >>1...De4 2.Dd6+ Dd3 3.Df6 De3+ 4.Rg2 De2+ 5.Rxg3 Dh2+ 6.Rxh2 >> -+ (-2.02) Profondeur: 6/12 00:00:01 >>1...De4 2.Dd6+ Dd3 3.Df6 Rc2 4.Dc6+ Rxb3 5.Dc5 >> -+ (-1.84) Profondeur: 6/12 00:00:01 >>1...Rd1 2.Dd6+ Rc2 3.Dxa6 Df2+ 4.Rh1 >> -+ (-1.90) Profondeur: 6/20 00:00:01 >>1...Rd1 2.Dd6+ Rc2 3.Dg6+ Rb2 4.Dg8 >> -+ (-2.25) Profondeur: 6/20 00:00:01 >>1...Rd1 2.Dd6+ Rc2 3.Dg6+ Rc3 4.Db6 Rb2 5.Dd4+ Rxb3 6.b5 >> -+ (-2.28) Profondeur: 6/20 00:00:01 >>1...Rd1 2.Dd6+ Rc2 3.Dg6+ Rb2 4.Db6 De2 5.Dc5 g2 >> -+ (-2.26) Profondeur: 7/21 00:00:01 46kN, tb=285 >>1...Rd1 2.Dd6+ Rc2 3.Db6 Rb2 4.Da7 Rxb3 5.Dxa6 Df2+ 6.Rh1 Rxb4 >> -+ (-2.46) Profondeur: 8/23 00:00:02 69kN, tb=329 >>1...Rd1 2.Dd6+ Rc2 3.Db6 Rxb3 4.De6+ Rb2 5.Db6 Rc2 6.Dg6+ Rc3 7.Db1 >> -+ (-2.59) Profondeur: 9/25 00:00:02 124kN, tb=413 >>1...Rd1 2.Dd6+ Rc2 3.Db6 Rxb3 4.De6+ Rc3 5.Dh3 >> -+ (-2.84) Profondeur: 10/25 00:00:02 172kN, tb=503 >>1...Rd1 2.Dd4+ Rc2 3.Db6 Rxb3 4.De6+ Rc3 5.De5+ Rc2 6.De1 Dd1 7.Dxd1+ Rxd1 8.Rf1 >> -+ (-2.97) Profondeur: 10/26 00:00:03 243kN, tb=514 >>1...Rd1 2.Dd4+ Rc2 3.Db6 Rb2 4.b5 axb5 5.b4 Rb3 6.De6+ Rxb4 7.Db6 Ra4 >> -+ (-3.22) Profondeur: 11/28 00:00:03 357kN, tb=630 >>1...Rd1 2.Dd6+ Rc1 3.Dc5+ Rb2 4.Df2+ gxf2+ 5.Rh2 >> -+ (-3.72) Profondeur: 11/28 00:00:03 369kN, tb=631 >>1...Rd1 2.Dd6+ Rc1 3.Dc5+ Rb2 4.Dd4+ Rxb3 5.b5 Df2+ 6.Dxf2 gxf2+ 7.Rh2 >> -+ (-3.99) Profondeur: 11/32 00:00:04 697kN, tb=634 >>1...Rd1 2.Dd6+ Rc2 3.b5 Df2+ 4.Rh1 axb5 5.Dg6+ Rb2 6.Dg7+ Ra2 7.Dh8 b4 8.Da8+ >>Rxb3 9.Da4+ Rc3 10.Da1+ Rb3 11.Db1+ Rc4 12.De4+ Rb5 13.Db7+ Rc5 >> -+ (-4.24) Profondeur: 12/33 00:00:05 1051kN, tb=810 >>1...Rd1 2.Dd6+ Rc2 3.b5 Df2+ 4.Rh1 axb5 5.Dc6+ Rb2 6.Dd5 g2+ 7.Rh2 >> -+ (-4.74) Profondeur: 12/33 00:00:05 1075kN, tb=830 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rc3 4.Dh3 Df2+ 5.Rh1 Dh2+ 6.Dxh2 Rxb3 7.Dxg3+ Ra2 >> -+ (-4.74) Profondeur: 12/35 00:00:08 2493kN, tb=1166 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rc3 4.Dh3 Df2+ 5.Rh1 Dh2+ 6.Dxh2 Rxb3 7.Dxg3+ Rxb4 >> -+ (-4.49) Profondeur: 13/36 00:00:10 3317kN, tb=1479 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rc3 4.Dh3 Df2+ 5.Rh1 Rxb3 6.De6+ Ra3 7.Dh3 Df3+ 8.Rg1 >>Rxb4 9.Dh4+ Df4 10.Dxf4+ Rc5 >> -+ (-4.16) Profondeur: 13/38 00:00:13 4361kN, tb=1634 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rc3 4.Dh3 Df2+ 5.Rh1 De1+ 6.Rg2 Rxb3 7.Rf3 Df2+ 8.Rg4 >> -+ (-4.41) Profondeur: 14/31 00:00:16 5192kN, tb=2387 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rc3 4.Dh3 Df2+ 5.Rh1 De1+ 6.Rg2 Rxb3 7.Dc8 Df2+ 8.Rh3 >>Dh2+ 9.Rg4 g2 10.Rf3 g1D 11.Dc4+ Rxc4 >> -+ (-4.91) Profondeur: 14/32 00:00:16 5234kN, tb=2458 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rb2 4.Dh3 Ra2 5.b5 axb5 6.b4 Df2+ 7.Rh1 g2+ 8.Dxg2 >>Dxg2+ 9.Rxg2 Ra3 10.Rg3 Rxb4 11.Rf4 Rc5 12.Re4 >> -+ (-6.02) Profondeur: 14/34 00:00:17 5817kN, tb=2762 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rb2 4.Dg7+ Rxb3 5.Dg8+ Ra3 6.b5 >> -+ (-6.27) Profondeur: 15/34 00:00:22 6654kN, tb=4212 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rb2 4.Dh8+ Rxb3 5.Dh3 Ra3 6.b5 Df2+ 7.Rh1 Dh2+ 8.Dxh2 >>g2+ 9.Rxg2 Rb4 >> -+ (-6.27) Profondeur: 15/37 00:00:34 11137kN, tb=4983 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rb2 4.Dh8+ Rxb3 5.Dd4 >> -+ (-6.52) Profondeur: 16/34 00:00:41 12586kN, tb=7987 >>1...Rd1 2.Da7 Rc2 3.Dh7+ Rb2 4.Dh8+ Rxb3 5.Dd4 >> -+ (-7.02) Profondeur: 16/34 00:00:41 12605kN, tb=8094
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