Author: pavel
Date: 04:43:09 08/06/02
Go up one level in this thread
On August 05, 2002 at 22:26:40, pavel wrote: >On August 05, 2002 at 20:44:38, John Merlino wrote: > >>On August 05, 2002 at 19:44:46, Dieter Buerssner wrote: >>>[D] 7k/ppb5/2p1b2K/3p3p/7P/N1P5/P4R2/8 w - - 0 5 >>> >>>My engine cannot see it in reasonable time. When I analyze some variations from >>>back to front, I see, that Rf8+ can announce mate in 15 (or even shorter?) >>> >>>Regards, >>>Dieter >> >>No luck with Chessmaster 9000 (on a PIII-600 -- although it did find 1.Bg6 >>instantly). Analysis begins after your above line: >> >>Time Depth Score Positions Moves >>0:00 1/5 0.19 9261 5.Rf6 Bg8 6.Kxh5 Be5 7.Rh6+ Bh7 >> 8.c4 >>0:00 1/5 0.26 11923 5.Nc2 Ba5 6.Rf3 c5 7.Kxh5 Kg7 >>0:00 1/5 0.34 15241 5.Rf8+ Bg8 6.Re8 Bb6 7.Kxh5 d4 >> 8.cxd4 Bxd4 >>0:00 1/6 0.38 24803 5.Rf8+ Bg8 6.Re8 Bb6 7.Kxh5 d4 >> 8.cxd4 Bxd4 9.Kg5 Kh7 >>0:00 1/6 0.39 30476 5.Nc2 Ba5 6.Rf3 c5 7.Kxh5 Kg7 8.Kg5 >>0:01 1/7 0.40 62359 5.Nc2 c5 6.Rf6 Bg8 7.Kxh5 Be5 8.Rh6+ >> Kg7 9.Rg6+ Kh7 >>0:02 2/8 0.35 144997 5.Nc2 Kg8 6.Kxh5 c5 7.Rg2+ Kf7 >> 8.Ne3 Bf4 9.Rf2 >>0:05 3/9 0.35 363038 5.Nc2 Kg8 6.Kxh5 c5 7.Re2 Bf7+ >> 8.Kg4 Ba5 9.Re3 Bg6 >>0:11 4/10 0.38 819382 5.Nc2 c5 6.Rf8+ Bg8 7.Kxh5 Be5 >> 8.Ne3 Kg7 9.Rc8 b6 10.Rd8 Bxc3 >> 11.Nxd5 >>0:25 5/11 0.36 2005177 5.Nc2 c5 6.Rf8+ Bg8 7.Rc8 Bf4+ >> 8.Kxh5 b6 9.Na3 Kg7 10.Ra8 a5 11.Kg4 >> Be5 12.Nb5 >>1:08 6/12 0.37 5730477 5.Nc2 Be5 6.Nd4 Bg8 7.Kxh5 c5 8.Ne2 >> Kg7 9.Rg2+ Kh7 10.Rg5 Bf6 11.Rg6 >> Bf7 >>1:37 6/12 0.49 8184302 5.Rf8+ Bg8 6.Re8 Bd6 7.Nc2 Bf4+ >> 8.Kg6 c5 9.Ne1 d4 10.cxd4 cxd4 >> 11.Nd3 Bd6 12.Kxh5 Kg7 >>4:17 7/13 0.40 21093210 5.Rf8+ Bg8 6.Re8 Ba5 7.Nb1 d4 8.cxd4 >> Bb6 9.Kxh5 Bxd4 10.Kg5 b5 11.Nd2 >> c5 12.Nb3 >>11:48 8/14 0.81 59423363 5.Rf8+ Bg8 6.Nc2 c5 7.Ne3 Bd6 8.Re8 >> Bf4+ 9.Kxh5 Bxe3 10.Rxe3 d4 11.cxd4 >> cxd4 12.Re7 Bxa2 13.Rxb7 a5 14.Ra7 >>21:48 9/15 1.15 112265721 5.Rf8+ Bg8 6.Nc2 c5 7.Rc8 Bg3 8.Kxh5 >> Bf2 9.a4 b6 10.Ra8 a5 11.Rb8 c4 >> 12.Rb7 Bh7 13.Kh6 Bg8 >> >>jm > > I seriously doubt any program will see it reasonable time, though white would win anyways, whether a programs see the mate or not. New game 7k/ppb5/2p1b2K/3p3p/7P/N1P5/P4R2/8 w - - 0 1 Analysis by Crafty 18.15: 1.Kxh5 +- (1.76) Depth: 1/4 00:00:00 1.Rf8+ Bg8 2.Kxh5 +- (2.16) Depth: 1/4 00:00:00 1.Rf8+ Bg8 2.Kxh5 Kg7 +- (1.86) Depth: 2/6 00:00:00 1.Rf8+ Bg8 2.Ra8 Bd6 3.Rxa7 ± (1.30) Depth: 3/8 00:00:00 1.Rf6 Bg8 2.Kxh5 +- (2.16) Depth: 3/8 00:00:00 1.Rf6 Bg8 2.Kxh5 Kg7 +- (1.86) Depth: 4/11 00:00:00 1.Rf6 Bg8 2.Kxh5 Be5 3.Rf3 +- (1.86) Depth: 5/12 00:00:00 1.Rf6 Bg8 2.Kxh5 Be5 3.Rh6+ Bh7 4.Nb1 +- (1.57) Depth: 6/13 00:00:00 14kN 1.Rf8+ Bg8 2.Re8 b6 3.Kxh5 Bd6 4.Nc2 Kg7 +- (1.78) Depth: 6/13 00:00:00 41kN 1.Rf8+ Bg8 2.Re8 Bf4+ 3.Kxh5 Kg7 4.Kg4 Bd6 5.Nc2 Bf7 +- (1.92) Depth: 7/16 00:00:00 75kN 1.Rf8+ Bg8 2.Re8 Bf4+ 3.Kxh5 Kg7 4.Kg4 Bd6 5.Nc2 Bf7 6.Re3 +- (1.82) Depth: 8/16 00:00:00 204kN 1.Rf8+ Bg8 2.Nb1 Bg3 3.Kxh5 Kg7 4.Rf3 Bd6 5.Kg5 Be7+ 6.Kg4 Be6+ 7.Kg3 +- (1.85) Depth: 9/19 00:00:02 913kN 1.Nc2 Bg8 2.Kxh5 Be5 3.Nd4 c5 4.Nb5 Be6 5.Kg5 +- (1.92) Depth: 9/19 00:00:03 1319kN 1.Nc2 Kg8 2.Kxh5 c5 3.Kh6 Be5 4.Re2 Bg7+ 5.Kg5 Kf7 6.Re3 +- (1.79) Depth: 10/22 00:00:04 2157kN 1.Rf8+ Bg8 2.Ra8 Bb6 3.Nc2 Bf2 4.Kxh5 Kg7 5.Nd4 a6 6.Ra7 Bf7+ 7.Kg5 +- (1.86) Depth: 10/22 00:00:05 2923kN 1.Rf8+ Bg8 2.Re8 a6 3.Nb1 Bd6 4.Rd8 Bc5 5.Kxh5 Kg7 6.Rd7+ Bf7+ 7.Kg4 b5 8.Kf5 +- (1.86) Depth: 11/23 00:00:09 5102kN 1.Nc2 Kg8 2.Kxh5 Ba5 3.Rf3 Kg7 4.Nd4 Bd7 +- (1.98) Depth: 11/23 00:00:12 6891kN 1.Nc2 Kg8 2.Kxh5 Ba5 3.Rf3 Kg7 4.Nd4 Bd7 5.a4 c5 6.Nb5 Bb6 +- (1.92) Depth: 12/24 00:00:16 9063kN 1.Rf8+ Bg8 2.Ra8 a6 3.Kxh5 Kg7 4.Ra7 Bf7+ 5.Kg5 Bd6 6.Nc2 Be5 7.Rxb7 Bf6+ 8.Kg4 Bxc3 +- (1.94) Depth: 12/24 00:00:21 12000kN 1.Rf8+ Bg8 2.Ra8 a6 3.Kxh5 Kg7 4.Ra7 Bf7+ 5.Kg5 Bd6 6.Nc2 Be7+ 7.Kg4 Be6+ 8.Kg3 Bc8 9.h5 Kh6 +- (2.09) Depth: 13/26 00:00:29 16800kN 1.Rf8+ Bg8 2.Ra8 a6 3.Nc2 c5 4.Re8 b5 5.Rc8 Bd6 6.Rc6 Be7 7.Kxh5 Bh7 8.Rc7 Bf6 +- (2.03) Depth: 14/27 00:01:04 36203kN 1.Rf8+ Bg8 2.Ra8 a6 3.Nc2 c5 4.Rc8 Bd6 5.Kg6 Be5 6.Ne3 d4 7.Rxc5 dxe3 8.Rxe5 Bxa2 9.Rxe3 +- (2.35) Depth: 15/30 00:02:16 76968kN 1.Rf8+ Bg8 2.Ra8 a6 3.Nc2 c5 4.Rc8 Bd6 5.Kg6 Be5 6.Ne3 d4 7.Rxc5 dxe3 8.Rxe5 Bxa2 9.Rxe3 +- (2.75) Depth: 16/32 00:06:42 225461kN 1.Rf8+ Bg8 2.Nc2 c5 3.Ne3 Bd6 4.Re8 +- (2.82) Depth: 16/32 00:09:10 307786kN 1.Rf8+ Bg8 2.Nc2 c5 3.Kg6 Bd6 4.Ra8 Bf4 5.Kxh5 Bd2 6.Kg6 Bxc3 7.h5 Bd2 8.h6 Bxh6 9.Kxh6 a6 10.Rd8 +- (2.76) Depth: 17/35 00:12:40 427935kN 1.Rf8+ Bg8 2.Nc2 c5 3.Ne3 Bd6 4.Re8 Bf4+ 5.Kxh5 Bxe3 6.Rxe3 d4 7.cxd4 cxd4 8.Re7 Bxa2 9.Rxb7 a5 10.Rd7 Be6 11.Rxd4 Kg7 +- (2.99) Depth: 18/37 00:22:53 773942kN 1.Rf8+ Bg8 2.Nc2 c5 3.Ne3 Bd6 4.Re8 Bf4+ 5.Kxh5 Kg7 6.Nf5+ Kf6 7.Rf8+ Bf7+ 8.Kg4 Bd2 9.Nd6 Ke7 10.Rxf7+ Kxd6 11.Rxb7 Bxc3 12.Rxa7 d4 13.Ra6+ Kd5 14.Kf5 +- (2.85) Depth: 19/38 00:44:41 1518471kN 1.Rf8+ Bg8 2.Nc2 c5 3.Ne3 Bd6 4.Re8 Bf4+ 5.Kg6 Bxe3 6.Rxe3 Bh7+ 7.Kf6 d4 8.Re8+ Bg8 9.Re5 Bxa2 10.Rxh5+ Kg8 11.cxd4 cxd4 12.Ra5 Bb3 13.Rb5 Bc2 14.Rxb7 a5 15.Rd7 +- (3.12) Depth: 20/41 01:34:38 3214995kN 1.Rf8+ Bg8 2.Nc2 c5 3.Kg6 Bd6 4.Re8 Bf4 5.Ne1 b6 6.Nd3 Bd6 7.Ne5 Bxe5 8.Rxe5 Bh7+ 9.Kf7 Bg8+ 10.Kf6 d4 11.Rxh5+ Bh7 12.cxd4 cxd4 13.Rd5 Bg8 14.Rxd4 Bxa2 15.Rd7 +- (3.36) Depth: 21/43 03:37:02 7226936kN 1.Rf8+ Bg8 2.Nc2 c5 3.Kg6 Bd6 4.Re8 Bf4 5.Ne1 a6 6.Nd3 Bd6 7.Ne5 Bxe5 8.Rxe5 Bh7+ 9.Kf7 Bb1 10.Rxh5+ Bh7 11.Kf6 d4 12.Rxc5 d3 13.Rc8+ Bg8 14.Rd8 Kh7 15.Rxd3 Bxa2 +- (3.74) Depth: 22/45 07:59:03 16204668kN (Mahamood, home 06.08.2002) after 11 hours, time isn't updated in the analysis text. cheers, pavs
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