Author: David Dahlem
Date: 10:03:56 07/11/04
Go up one level in this thread
On July 11, 2004 at 12:23:09, Vincent Lejeune wrote: > >[d]1R6/r2p4/1k6/1p2P3/pp6/6P1/1PP2P1P/6K1 b - - 0 48 >Find Ka5 with bigger advantage than -3 for black ! > I tried several engines, and TheKing 3.33 gave the best score for Ka5, -1.16. This was on slow hardware, perhaps on faster hardware ... ? TheKing 3.33 3 00:00 2.62 48. ... Kc5 49.f4 Ra6 4 00:00 2.71 48. ... Kc5 49.f4 a3 50.Rc8+ Kd5 4 00:00 2.48 48. ... Ka6 49.Rf8 Rc7 50.h4 Rxc2 4 00:00 2.17 48. ... Ka5 49.e6 dxe6 50.h4 5 00:00 2.02 48. ... Ka5 49.e6 dxe6 50.h4 Rg7 5 00:00 1.67 48. ... Kc5 49.Rc8+ Kd5 50.f4 a3 51.c4+ bxc4 6 00:00 1.54 48. ... Kc5 49.Rc8+ Kd5 50.e6 dxe6 51.Rd8+ Ke5 52.h4 6 00:00 0.94 48. ... Ka5 49.e6 dxe6 50.h4 a3 51.g4 axb2 7 00:01 0.69 48. ... Ka5 49.e6 dxe6 50.h4 a3 51.bxa3 bxa3 52.g4 8 00:01 0.31 48. ... Ka5 49.c4 bxc3 50.bxc3 a3 51.e6 dxe6 52.h4 8 00:02 0.27 48. ... Kc7 49.Rxb5 a3 50.bxa3 bxa3 51.Rb1 a2 52.Ra1 Ra8 9 00:03 0.53 48. ... Kc7 49.Rxb5 a3 50.bxa3 bxa3 51.Rb1 a2 52.Ra1 Ra8 53.f4 9 00:04 -0.45 48. ... Ka5 49.e6 dxe6 50.Rd8 a3 51.Rd1 a2 52.Re1 Kb6 53.Rxe6+ Kc5 10 00:07 -0.69 48. ... Ka5 49.e6 dxe6 50.Re8 a3 51.Rxe6 a2 52.Re1 Kb6 53.h4 a1Q 54.Rxa1 Rxa1+ 55.Kg2 11 00:13 -0.80 48. ... Ka5 49.e6 dxe6 50.Re8 a3 51.Rxe6 a2 52.Re1 b3 53.c3 Kb6 54.h4 a1Q 55.Rxa1 Rxa1+ 56.Kg2 12 00:27 -0.88 48. ... Ka5 49.e6 dxe6 50.Re8 a3 51.Rxe6 axb2 52.Re1 Kb6 53.Re6+ Kc5 54.Re5+ Kd4 55.Re1 Kc3 13 01:20 -1.10 48. ... Ka5 49.e6 dxe6 50.Rd8 a3 51.b3 a2 52.Rd1 Kb6 53.Ra1 Kc5 54.h4 Kd4 55.Rd1+ Kc3 14 03:05 -1.17 48. ... Ka5 49.e6 dxe6 50.Rd8 a3 51.b3 a2 52.Rd1 Kb6 53.Ra1 Kc5 54.h4 e5 55.g4 Kd4 15 07:46 -1.16 48. ... Ka5 49.e6 dxe6 50.Rd8 a3 51.b3 a2 52.Rd1 Kb6 53.Ra1 Kc5 54.h4 Kd4 55.g4 Kc3 56.g5 Regards Dave >Shredder 8 on a AMD barton@3000+ : 5min23sec > >Analysis by Shredder 8: >... >48...Rc7 49.e6 dxe6 50.Tf8 Rb6 51.g4 a3 52.Tc8 > +- (1.78) Profondeur: 8/19 00:00:00 71kN >48...Rc7 49.e6 dxe6 50.Tf8 Rb7 > +- (1.78) Profondeur: 8/19 00:00:00 71kN >48...Rc7 49.e6 dxe6 50.Tf8 Rd6 51.Td8+ Re7 52.Td4 Tc7 53.Txb4 Txc2 54.Txb5 > +- (1.56) Profondeur: 9/17 00:00:00 89kN >48...Rc7 49.Txb5 a3 50.bxa3 bxa3 51.Tb1 a2 52.Ta1 Ta5 53.h4 Txe5 > +- (1.81) Profondeur: 10/18 00:00:00 108kN >48...Rc7 49.Txb5 d6 > +- (2.36) Profondeur: 10/18 00:00:00 109kN >48...Rc7 49.Txb5 a3 50.bxa3 bxa3 51.Tb1 Rc6 52.f4 d6 53.e6 > +- (3.19) Profondeur: 10/21 00:00:00 140kN >48...Rc5 49.c3 bxc3 50.e6 > +- (3.18) Profondeur: 10/23 00:00:00 168kN >48...Rc5 49.c3 bxc3 50.e6 cxb2 51.Tc8+ Rd4 52.Rg2 b1D 53.exd7 Txd7 > +- (2.83) Profondeur: 10/23 00:00:00 183kN >48...Rc5 49.c3 bxc3 50.Tc8+ Rd4 51.Txc3 Rxe5 52.Tc5+ d5 53.Txb5 Te7 54.f4+ Re4 > +- (1.50) Profondeur: 10/23 00:00:00 257kN >48...Ra5 49.e6 dxe6 50.h4 a3 51.f4 axb2 52.Txb5+ Rxb5 53.Rf2 b1D > +- (1.49) Profondeur: 10/23 00:00:00 301kN >48...Ra5 49.e6 dxe6 50.h4 a3 51.f4 axb2 52.Txb5+ Rxb5 53.Rf2 b1D > ± (1.14) Profondeur: 10/23 00:00:00 313kN >48...Ra5 49.e6 dxe6 50.Te8 Tc7 51.Ta8+ Rb6 52.Tb8+ Ra5 53.h4 Txc2 54.Rh1 > = (0.20) Profondeur: 10/23 00:00:00 343kN >48...Ra5 49.e6 dxe6 50.g4 a3 51.f4 axb2 52.Txb5+ Rxb5 53.c4+ Rxc4 54.Rg2 b1D > = (-0.05) Profondeur: 11/17 00:00:00 395kN >48...Ra5 49.e6 dxe6 50.g4 a3 51.Td8 Rb6 52.Td6+ Rc5 53.Td1 Tg7 54.h3 axb2 > = (-0.08) Profondeur: 11/20 00:00:00 417kN >48...Ra5 49.e6 dxe6 50.g4 a3 51.Td8 axb2 52.Td1 Rb6 53.Td6+ Rc5 54.Tc6+ Rxc6 >55.Rg2 b1D > ³ (-0.33) Profondeur: 12/23 00:00:01 546kN >48...Ra5 49.e6 dxe6 50.Td8 Tc7 51.Ta8+ Rb6 52.Tb8+ Ra6 53.Ta8+ Rb7 54.Te8 Txc2 >55.Te7+ Rc8 56.Te8+ Rd7 > µ (-0.74) Profondeur: 12/23 00:00:01 603kN >48...Ra5 49.e6 dxe6 50.f4 a3 51.Td8 axb2 52.Td1 Rb6 53.Ta1 bxa1D+ 54.Rf2 Rc5 > ³ (-0.60) Profondeur: 13/21 00:00:01 888kN >48...Ra5 49.Td8 a3 50.bxa3 bxa3 51.e6 dxe6 52.Td6 a2 53.Td1 Rb4 54.Tb1+ axb1D+ >55.Rg2 Dxc2 > µ (-0.83) Profondeur: 14/30 00:00:02 1612kN >48...Ra5 49.e6 dxe6 50.Td8 Tc7 51.Td2 a3 52.b3 a2 53.Td1 Txc2 54.h4 Tb2 55.h5 >Tb1 56.Txb1 > ³ (-0.58) Profondeur: 15/32 00:00:03 2323kN >48...Ra5 49.e6 dxe6 50.Td8 Tc7 51.Td2 a3 52.b3 a2 53.Td1 Txc2 54.h4 Tb2 55.g4 >Tb1 56.Txb1 > = (-0.08) Profondeur: 15/32 00:00:04 2376kN >48...Ra5 49.e6 dxe6 50.b3 a3 51.Td8 Rb6 52.Td1 Tc7 53.h4 Txc2 54.g4 Tc1 55.Txc1 > ² (0.44) Profondeur: 15/32 00:00:04 2553kN >48...Rc6 49.e6 dxe6 50.Tc8+ Rd5 51.h4 a3 52.Td8+ Re5 53.bxa3 bxa3 54.f4+ Re4 >55.Td1 > ² (0.43) Profondeur: 15/33 00:00:07 4501kN >48...Rc6 49.e6 dxe6 50.Tc8+ Rd5 51.h4 a3 52.Td8+ Re5 53.bxa3 bxa3 54.f4+ Re4 >55.Rg2 > = (0.08) Profondeur: 15/33 00:00:09 5715kN >48...Rc6 49.e6 dxe6 50.Td8 a3 51.bxa3 bxa3 52.Td1 Td7 53.Ta1 b4 54.h4 Td2 55.Ta2 >Rd5 > = (-0.24) Profondeur: 15/33 00:00:13 7924kN >48...Rc6 49.Tc8+ Rd5 50.Rg2 a3 51.bxa3 bxa3 52.h4 a2 53.Tc3 > = (-0.21) Profondeur: 16/36 00:00:18 10636kN, tb=1 >48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3 >55.f4 Rb2 56.Txa2+ Txa2 57.h4 Ta8 58.c4 > ³ (-0.28) Profondeur: 17/37 00:00:24 13915kN, tb=1 >48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3 >55.f4 Rb2 56.Td1 a1D 57.Rg2 Dxd1 58.f5 Rxc2 > ³ (-0.53) Profondeur: 18/41 00:00:37 20289kN, tb=15 >48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3 >55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8 > ³ (-0.55) Profondeur: 18/41 00:00:45 24963kN, tb=49 >48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3 >55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8 59.f5 > ³ (-0.53) Profondeur: 19/44 00:00:59 31035kN, tb=83 >48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3 >55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8 59.f5 > ³ (-0.63) Profondeur: 20/46 00:01:42 51354kN, tb=237 >48...Rc6 49.Tc8+ Rd5 50.Tb8 a3 51.bxa3 bxa3 52.Txb5+ Rc4 53.Tb1 a2 54.Ta1 Rc3 >55.f4 Rb2 56.Txa2+ Txa2 57.h4 Rxc2 58.g4 Ta8 59.f5 > ³ (-0.58) Profondeur: 21/48 00:02:36 75234kN, tb=672 >48...Ra5 49.Rf1 a3 50.bxa3 bxa3 51.Txb5+ Rxb5 52.e6 > ³ (-0.59) Profondeur: 21/48 00:03:01 86837kN, tb=702 >48...Ra5 49.Rf1 a3 50.bxa3 bxa3 51.Txb5+ Rxb5 52.e6 dxe6 53.c4+ Rxc4 54.Re2 > µ (-0.94) Profondeur: 21/48 00:03:16 95096kN, tb=773 >48...Ra5 49.e6 dxe6 50.Te8 a3 51.h4 axb2 52.Rg2 b1D 53.Txe6 Dxc2 54.Te5 Ra4 >55.Te1 Ra3 56.Ta1+ Rb2 57.Rg1 Rxa1 58.Rh2 > -+ (-2.34) Profondeur: 21/48 00:04:37 132098kN, tb=2394 >48...Ra5 49.e6 dxe6 50.Te8 a3 51.h4 axb2 52.Rg2 b1D 53.Txe6 Dxc2 54.Te5 Ra4 >55.Te1 Ra3 56.Ta1+ Rb2 57.Rg1 Rxa1 58.Rh2 Dxf2+ 59.Rh1 Dxg3 > -+ (-2.59) Profondeur: 22/44 00:05:03 145460kN, tb=2522 >48...Ra5 49.e6 dxe6 50.Te8 a3 51.h4 axb2 52.Rg2 b1D 53.Txe6 Dxc2 54.Te5 Ra4 >55.Te1 Ra3 56.Ta1+ Rb2 57.Rg1 Rxa1 58.Rh2 Dxf2+ 59.Rh1 Dxg3 > -+ (-3.09) Profondeur: 22/46 00:05:23 156606kN, tb=2593 >48...Ra5 49.e6 dxe6 50.Td8 a3 51.b3 a2 52.Td1 Rb6 53.Ta1 Rc5 54.h4 Rd4 55.Rh2 >Rc3 56.g4 Rb2 57.Te1 Rxc2 58.Tg1 Rxb3 > -+ (-3.42) Profondeur: 22/48 00:06:44 187743kN, tb=5797
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