Author: Torstein Hall
Date: 11:49:48 01/17/04
Go up one level in this thread
On January 16, 2004 at 09:18:09, Uri Blass wrote: >[D]2r5/8/2k1ppb1/7p/1RpP1PpP/1p4P1/1B1n1P2/2R3K1 w - - 0 43 > >In this position I played Rbxc4+ and the game ended in a draw. >How much time does your program need to see 0.00 score? New game 2r5/8/2k1ppb1/7p/1RpP1PpP/1p4P1/1B1n1P2/2R3K1 w - - 0 1 Analysis by Hiarcs 9: 1.d5+ exd5 2.Bxf6 µ (-0.96) Depth: 1/6 00:00:00 1.f5 µ (-0.71) Depth: 1/9 00:00:00 1.f5 Bxf5 µ (-0.71) Depth: 1/9 00:00:00 1.Rcxc4+ ³ (-0.66) Depth: 1/9 00:00:00 1.Rcxc4+ Nxc4 ³ (-0.66) Depth: 1/9 00:00:00 1.Bc3 ³ (-0.63) Depth: 1/9 00:00:00 1.Bc3 Nf3+ 2.Kh1 = (0.13) Depth: 1/9 00:00:00 1.Bc3 Nf3+ 2.Kh1 ³ (-0.44) Depth: 2/9 00:00:00 1.Bc3 Nf3+ 2.Kh1 ³ (-0.44) Depth: 2/9 00:00:00 1.Bc3 Nf3+ 2.Kh1 µ (-0.88) Depth: 3/9 00:00:00 1.Bc3 Nf3+ 2.Kf1 Kd5 3.Rb5+ µ (-1.12) Depth: 3/11 00:00:00 1.Rd1 Nf3+ µ (-1.10) Depth: 3/11 00:00:00 1.Rd1 Nf3+ 2.Kg2 Kd6 µ (-0.98) Depth: 3/11 00:00:00 1.f5 Bxf5 µ (-0.95) Depth: 3/11 00:00:00 1.f5 Bxf5 2.Bc3 Nf3+ 3.Kg2 ³ (-0.70) Depth: 3/11 00:00:00 1.Rcxc4+ Nxc4 = (-0.21) Depth: 3/11 00:00:00 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 = (-0.21) Depth: 3/12 00:00:00 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.Kh2 Bd3 ³ (-0.28) Depth: 4/12 00:00:00 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.Kf1 Kd7 5.Ke2 ³ (-0.30) Depth: 5/14 00:00:00 5kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.d5 exd5 5.Bxf6 Kd7 ³ (-0.27) Depth: 6/19 00:00:00 14kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.Kf1 Kd7 5.Ke2 Kd6 6.f3 gxf3+ ³ (-0.29) Depth: 7/19 00:00:00 43kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rb4 Bc2 4.Rb7+ Rc7 5.Rb5 f5 6.d5 = (-0.21) Depth: 8/20 00:00:00 115kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rb4 Bc2 4.Rb5 Rh8 5.d5 Rh6 = (-0.17) Depth: 9/23 00:00:01 257kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 ³ (-0.30) Depth: 10/25 00:00:02 716kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.Kg2 Be4+ 5.Kf1 Bd3+ 6.Ke1 ³ (-0.30) Depth: 11/28 00:00:06 1980kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.Kf1 Bd3+ 5.Ke1 Be4 6.d5 exd5 7.Bxf6 Kd7 8.Bc3 Ke6 9.Bb2 ³ (-0.28) Depth: 12/35 00:00:28 8094kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.Kf1 Kd7 5.d5 exd5 6.Bxf6 Ke6 7.Bb2 Kf5 8.Ke2 Ke4 9.Kd2 ³ (-0.30) Depth: 13/37 00:01:11 19928kN 1.Rcxc4+ Nxc4 2.Rxc4+ Kd7 3.Rxc8 Kxc8 4.Kf1 Kb7 5.Ke2 Kc6 6.f3 gxf3+ 7.Kxf3 Kd5 8.Ke3 Bc2 9.Bc3 Bf5 10.Kd2 Be4 ³ (-0.29) Depth: 14/37 00:02:49 47816kN (Hall, Privat 17.01.2004) > >All the programs that I tried cannot see draw score even after Rbxc4+ and >evaluate the position as better for black. > >Here is an easier problem some plies later >Again all programs fail that I tried fail. > >[D]2k5/8/4ppb1/7p/3P1PpP/1p4P1/1B3P2/6K1 w - - 0 46 > >How much time to see a draw score? > >Uri
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