Author: Uri Blass
Date: 06:02:36 04/03/03
Go up one level in this thread
On April 03, 2003 at 07:56:04, Jouni Uski wrote: >[D]8/8/8/5bk1/8/8/4B1PP/5K2 b - - > >S7 don't find -Bh3 in 10 minutes. Why???? I don't have full 5 piece TBs for >sure, but most amateurs find move even without (any) TBs. > >Jouni There are amateurs that can find it(Comet,List,Crafty,Goliath Light) but I think that you are wrong to assume that most amateurs find it without any tablebases. Here is analysis of some amateurs and except bambam all the amateurs that I tried are better than the average amateur winboard program. New game 8/8/8/5bk1/8/8/4B1PP/5K2 b - - 0 1 Analysis by Doctor? 3.0: 1...Bb1 +- (2.38) Depth: 1/1 00:00:00 1...Bc2 +- (2.37) Depth: 1/1 00:00:00 1...Be4 +- (2.30) Depth: 1/2 00:00:00 1...Be4 2.g3 +- (2.38) Depth: 1/2 00:00:00 1...Be4 2.g3 +- (2.38) Depth: 2/4 00:00:00 1...Be4 2.Kf2 +- (2.40) Depth: 2/4 00:00:00 1...Bc2 2.Kf2 +- (2.47) Depth: 2/4 00:00:00 1...Kf4 2.h4 +- (2.41) Depth: 2/4 00:00:00 1...Be6 2.Kf2 +- (2.44) Depth: 4/5 00:00:00 1...Be4 2.g3 Kf5 3.h4 +- (2.64) Depth: 5/9 00:00:00 1...Be6 2.g3 Bh3+ 3.Kf2 +- (2.53) Depth: 5/9 00:00:00 1...Kh4 2.g3+ Kh3 3.Kf2 +- (2.50) Depth: 5/9 00:00:00 1...Kh4 2.g3+ Kh3 3.Kf2 +- (2.50) Depth: 5/9 00:00:00 1...Kh4 2.Kf2 Kg5 3.g3 +- (2.53) Depth: 5/9 00:00:00 1kN 1...Kh4 2.Kf2 Kg5 3.g3 +- (2.53) Depth: 5/9 00:00:00 1kN 1...Kh4 2.Kf2 Kg5 3.g3 +- (2.53) Depth: 9/11 00:00:00 2kN 1...Kh4 2.g3+ Kh3 3.Kf2 Be4 +- (2.55) Depth: 9/11 00:00:00 3kN 1...Kh4 2.Kf2 Be6 3.g3+ Kh3 +- (2.56) Depth: 9/11 00:00:00 5kN 1...Kh4 2.Kf2 Kg5 3.g3 Bh3 +- (2.59) Depth: 12/13 00:00:00 7kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.g3+ Kh3 5.Bg2+ Kg4 6.h3+ Kh5 +- (2.63) Depth: 12/13 00:00:00 12kN 1...Kh4 2.Kf2 Be6 3.Ke3 Kg5 4.g3 +- (2.59) Depth: 13/13 00:00:00 23kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.g3+ Kh3 5.Bg2+ Kg4 6.h3+ Kh5 +- (2.63) Depth: 15/15 00:00:00 30kN 1...Kh4 2.g3+ Kh3 3.Kf2 Be6 4.Bf1+ Kg4 5.h3+ Kf5 6.Bd3+ Kg5 7.h4+ Kg4 +- (2.69) Depth: 16/15 00:00:01 46kN 1...Kh4 2.g3+ Kh3 3.Kf2 Be4 4.Bb5 Bf5 5.Bf1+ +- (2.76) Depth: 17/15 00:00:01 66kN 1...Be6 2.Kf2 Bf5 3.Kg3 Kg6 4.h4 Be4 +- (2.75) Depth: 17/15 00:00:01 78kN 1...Bd7 2.Kf2 Be6 3.Kg3 Bf7 4.h4+ Kf5 5.Bg4+ Ke5 +- (2.71) Depth: 17/15 00:00:01 100kN 1...Bd7 2.g3 Bh3+ 3.Kf2 Kf6 4.Bf1 Bg4 5.h4 Ke5 6.Bd3 +- (2.73) Depth: 18/15 00:00:02 117kN 1...Bd7 2.g3 Bh3+ 3.Kf2 Kf6 4.Bf1 Be6 5.h4 Ke5 6.Be2 +- (2.86) Depth: 19/17 00:00:02 159kN 1...Kh4 2.g3+ Kh3 3.Kf2 Be4 4.Bb5 Kg4 5.h4 Kf5 6.Bd7+ Ke5 +- (2.85) Depth: 19/19 00:00:03 186kN 1...Kf4 2.Kf2 Kg5 3.g3 Bh3 4.Bf1 Bg4 5.h3 Bc8 +- (2.84) Depth: 19/19 00:00:03 213kN 1...Kf4 2.g3+ Ke3 3.h4 Bh3+ 4.Ke1 Bf5 5.h5 Be4 6.g4 +- (2.91) Depth: 20/19 00:00:03 255kN 1...Kh4 2.Kf2 Bh3 3.g3+ Kg5 4.Bf1 Bg4 5.h3 Bh5 6.h4+ Kf5 7.Bd3+ Ke5 +- (2.79) Depth: 20/21 00:00:03 290kN 1...Kh4 2.Kf2 Bh3 3.g3+ Kg5 4.Bf1 Bg4 5.h3 Bh5 6.h4+ Kf5 7.Bd3+ Ke5 8.Ke3 +- (2.85) Depth: 21/21 00:00:04 334kN 1...Kh4 2.Kf2 Bh3 3.g3+ Kg5 4.Bf1 Bg4 5.h3 Bh5 6.h4+ Kf5 7.Bd3+ Ke5 8.Ke3 +- (2.85) Depth: 22/21 00:00:05 415kN 1...Kh4 2.Kf2 Be6 3.g3+ Kh3 4.Bf3 Bb3 5.Bg2+ Kg4 6.h3+ Kf5 7.h4 +- (2.77) Depth: 23/21 00:00:06 541kN 1...Kh4 2.Kf2 Be6 3.Bf1 Kg5 4.g3 Kh6 5.Be2 Bh3 +- (2.81) Depth: 24/21 00:00:07 644kN (Blass, Tel-Aviv 03.04.2003) New game 8/8/8/5bk1/8/8/4B1PP/5K2 b - - 0 1 Analysis by Tao 5.4: 1...Bb1 +- (2.73) Depth: 1/2 00:00:00 1...Bd7 +- (2.73) Depth: 1/2 00:00:00 1...Bd7 +- (2.72) Depth: 1/2 00:00:00 1...Be4 +- (2.72) Depth: 1/2 00:00:00 1...Be4 +- (2.65) Depth: 1/2 00:00:00 1...Kf4 +- (2.65) Depth: 1/2 00:00:00 1...Kf4 +- (2.59) Depth: 1/2 00:00:00 1...Kf6 +- (2.59) Depth: 1/2 00:00:00 1...Kf6 +- (2.54) Depth: 1/2 00:00:00 1...Kf6 2.Kf2 +- (2.71) Depth: 2/4 00:00:00 1...Kf6 2.Kf2 Ke5 +- (2.59) Depth: 3/6 00:00:00 1...Kf6 2.Kf2 Ke5 3.h3 +- (2.66) Depth: 4/8 00:00:00 1...Kf6 2.Kf2 Ke5 3.Bc4 Be4 +- (2.60) Depth: 5/10 00:00:00 1...Kf6 2.h4 Ke6 3.h5 Ke5 4.Kf2 +- (4.57) Depth: 6/12 00:00:00 4kN 1...Be4 +- (4.57) Depth: 6/12 00:00:00 4kN 1...Bg6 +- (4.57) Depth: 6/12 00:00:00 8kN 1...Bg6 2.g3 Bh5 3.h4+ Kh6 4.Bd3 Kg7 +- (4.09) Depth: 6/12 00:00:00 10kN 1...Kf4 +- (4.09) Depth: 6/12 00:00:00 11kN 1...Kf4 2.g3+ Ke3 3.h4 Bd3 4.Bxd3 Kxd3 +- (3.31) Depth: 6/12 00:00:00 13kN 1...Bd7 +- (3.31) Depth: 6/12 00:00:00 14kN 1...Bd7 2.Kf2 Bf5 3.g3 Bh3 4.Bf3 +- (2.81) Depth: 6/12 00:00:00 15kN 1...Be6 +- (2.81) Depth: 6/12 00:00:00 16kN 1...Bd7 2.g3 Bh3+ 3.Kf2 Kf6 4.Bf1 Bxf1 5.Kxf1 +- (3.30) Depth: 7/14 00:00:00 22kN 1...Kh4 +- (3.30) Depth: 7/14 00:00:01 29kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bc4 Bf5 5.Bd5 +- (2.92) Depth: 7/14 00:00:01 31kN 1...Kh4 2.Kf2 Kg5 3.g3 Bh3 4.Bf1 Kg4 5.Bxh3+ Kxh3 +- (3.30) Depth: 8/16 00:00:01 44kN 1...Kh4 2.Kf2 Kg5 3.g3 Bh3 4.Bf1 Kg4 5.Bxh3+ Kxh3 6.Kg1 +- (3.30) Depth: 9/18 00:00:01 60kN 1...Kh4 2.Kf2 Be4 3.g3+ Kh3 4.Bf1+ Kxh2 5.g4 Bg2 6.Be2 Bd5 7.Ke3 +- (4.06) Depth: 10/20 00:00:02 102kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Kf5 6.h4 Ke5 7.Be2 Bd5 +- (4.60) Depth: 11/22 00:00:03 154kN 1...Bd7 +- (4.60) Depth: 11/22 00:00:03 176kN 1...Bd7 2.g3 Bh3+ 3.Kf2 Kf6 4.Bf1 Bg4 5.h4 Ke5 6.Bg2 Bh5 7.Bc6 +- (4.58) Depth: 11/22 00:00:03 192kN 1...Bd7 2.Kf2 Kh4 3.g3+ Kh3 4.Kg1 Bc6 5.Bf1+ Kg4 6.Kf2 Kf5 7.h4 Ke5 8.Bd3 +- (4.66) Depth: 12/24 00:00:03 281kN 1...Kh4 +- (4.66) Depth: 12/24 00:00:03 306kN 1...Kh4 2.g3+ Kg5 3.h4+ Kf6 4.Kf2 Ke5 5.Bf3 Be6 6.Bh5 Bf5 7.Bd1 Bd7 8.Be2 Bc6 9.Bf3 Be4 10.Bxe4 Kxe4 +- (4.58) Depth: 12/24 00:00:04 390kN 1...Kh4 2.g3+ Kg5 3.h4+ Kf6 4.Kf2 Ke5 5.Bf3 Be6 6.Bh5 Bf5 7.Bd1 Bd7 8.Be2 Bc6 9.Bf3 Be4 10.Bxe4 Kxe4 +- (4.58) Depth: 13/26 00:00:04 480kN 1...Kh4 2.g3+ Kg5 3.h4+ Kf6 4.Kf2 Ke5 5.Bf3 Be6 6.Bh5 Bf5 7.Bd1 Bd7 8.Be2 Bc6 9.Bf3 Be4 10.Bxe4 Kxe4 +- (4.58) Depth: 14/28 00:00:05 632kN 1...Kh4 2.g3+ Kg5 3.h4+ Kf6 4.Kf2 Ke5 5.Bf3 Be6 6.Bh5 Bf5 7.Bd1 Be6 8.Ba4 Bg4 9.Bc6 Bh5 +- (4.58) Depth: 15/30 00:00:06 791kN 1...Kh4 2.g3+ Kg5 3.h4+ Kf6 4.Kf2 Ke5 5.Bf3 Be6 6.Bh5 Bf5 7.Bd1 Be6 8.Kg1 Kd4 9.Kg2 Bd5+ 10.Kf2 Ke5 +- (4.58) Depth: 16/32 00:00:07 946kN (Blass, Tel-Aviv 03.04.2003) New game 8/8/8/5bk1/8/8/4B1PP/5K2 b - - 0 1 Analysis by resp0.19: 1...Bc8 +- (2.00) Depth: 1 00:00:00 1...Bd7 +- (1.94) Depth: 1 00:00:00 1...Be6 +- (1.88) Depth: 1 00:00:00 1...Be4 +- (1.84) Depth: 1 00:00:00 1...Be4 +- (1.84) Depth: 1 00:00:00 1...Be4 2.g4 +- (2.55) Depth: 2 00:00:00 1...Bg4 2.g3 +- (2.31) Depth: 2 00:00:00 1...Be6 2.g3 +- (2.25) Depth: 2 00:00:00 1...Be6 2.g3 +- (2.25) Depth: 2 00:00:00 1...Be6 2.g3 Bd5 +- (2.19) Depth: 3 00:00:00 1...Be6 2.g3 Bd5 +- (2.19) Depth: 3 00:00:00 1...Be6 2.h3 Kh4 3.Bd3 +- (2.35) Depth: 4 00:00:00 1...Kh4 2.Bc4 Be4 +- (2.30) Depth: 4 00:00:00 1...Kh4 2.Bc4 Be4 +- (2.30) Depth: 4 00:00:00 1...Kh4 2.g3+ Kh3 3.Kg1 Be6 4.Bd3 +- (2.36) Depth: 5 00:00:00 1...Kh4 2.g3+ Kh3 3.Kg1 Be6 4.Bd3 +- (2.36) Depth: 5 00:00:00 1...Kh4 2.Kf2 Be6 3.Ke3 Kg5 4.g3 +- (2.35) Depth: 6 00:00:00 12kN 1...Kh4 2.Kf2 Be6 3.Ke3 Kg5 4.g3 +- (2.35) Depth: 6 00:00:00 16kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be6 4.Bf3 Bf5 5.Bd5 +- (2.42) Depth: 7 00:00:00 31kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be6 4.Bf3 Bf5 5.Bd5 +- (2.42) Depth: 7 00:00:00 44kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be6 4.Bf1+ Kg4 5.Kf2 Bd5 6.h4 +- (2.90) Depth: 8 00:00:01 140kN 1...Be6 2.Kf2 Kh4 3.Bf1 Kg5 4.g3 Bd5 5.h4+ Kf5 +- (2.87) Depth: 8 00:00:01 147kN 1...Be6 2.Kf2 Kh4 3.Bf1 Kg5 4.g3 Bd5 5.h4+ Kf5 +- (2.87) Depth: 8 00:00:01 161kN 1...Be6 2.Kf2 Kh4 3.Bf1 Kg5 4.g3 Kf6 5.h4 Ke5 +- (2.90) Depth: 9 00:00:01 238kN 1...Kh4 2.Kf2 +- (2.89) Depth: 9 00:00:01 338kN 1...Kh4 2.Kf2 +- (2.89) Depth: 9 00:00:01 420kN 1...Kh4 2.Kf2 Be4 3.Bf1 Kg5 4.g3 Kh5 5.h4 Kg4 6.Bc4 +- (3.02) Depth: 10 00:00:02 567kN 1...Kh4 2.Kf2 Be4 3.Bf1 Kg5 4.g3 Kh5 5.h4 Kg4 6.Bc4 +- (3.02) Depth: 10 00:00:02 753kN 1...Kh4 2.g3+ Kh3 +- (3.14) Depth: 11 00:00:04 1286kN 1...Bc8 2.Kf2 +- (3.13) Depth: 11 00:00:05 1918kN 1...Bc8 2.Kf2 +- (3.13) Depth: 11 00:00:06 2245kN 1...Bc8 2.Kf2 Kh4 3.Bf1 Kg5 4.g3 Kf6 5.h4 Bg4 6.Bd3 Ke5 7.Be4 +- (3.14) Depth: 12 00:00:08 3174kN 1...Bc8 2.Kf2 Kh4 3.Bf1 Kg5 4.g3 Kf6 5.h4 Bg4 6.Bd3 Ke5 7.Be4 +- (3.14) Depth: 12 00:00:09 3549kN (Blass, Tel-Aviv 03.04.2003) New game 8/8/8/5bk1/8/8/4B1PP/5K2 b - - 0 1 Analysis by Sjeng 12.13: 1...Be4 2.Kf2 +- (2.42) Depth: 2 00:00:00 1...Be4 2.Kf2 Bd5 +- (2.42) Depth: 3 00:00:00 1...Be4 2.Kf2 Bd5 +- (2.42) Depth: 3 00:00:00 1...Be4 2.Kf2 Kf4 3.h4 +- (2.51) Depth: 4 00:00:00 1...Bc2 2.Kf2 Be4 3.g3 +- (2.43) Depth: 4 00:00:00 1...Bc2 2.Kf2 Be4 3.g3 +- (2.43) Depth: 4 00:00:00 1...Bc2 2.Kf2 Be4 3.g3 Bd5 +- (2.43) Depth: 5/9 00:00:00 1...Bc2 2.Kf2 Be4 3.g3 Bd5 +- (2.43) Depth: 5/12 00:00:00 1...Bc2 2.Kf2 Be4 3.g3 Bd5 4.Ke3 +- (2.65) Depth: 6/12 00:00:00 6kN 1...Bc2 2.Kf2 Be4 3.g3 Bd5 4.Ke3 +- (2.65) Depth: 6/13 00:00:00 11kN 1...Bc2 2.Kf2 Be4 3.Bf3 Bc2 4.Ke3 Bf5 +- (2.73) Depth: 7/13 00:00:00 18kN 1...Kf6 2.Kf2 Ke5 3.g3 +- (2.67) Depth: 7/17 00:00:00 36kN 1...Kf6 2.Kf2 Ke5 3.g3 +- (2.67) Depth: 7/17 00:00:01 36kN 1...Kf6 2.Kf2 Kg5 3.g3 Bh3 4.Ke3 Kf6 5.Bc4 +- (2.84) Depth: 8/17 00:00:01 55kN 1...Bc2 2.Kf2 Kh4 3.Ke3 Kg5 4.Bd3 Bb3 5.Be4 +- (2.81) Depth: 8/17 00:00:01 67kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 +- (2.80) Depth: 8/17 00:00:01 103kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 +- (2.80) Depth: 8/18 00:00:01 104kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 Bd7 +- (2.80) Depth: 9/18 00:00:01 115kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 Bd7 +- (2.80) Depth: 9/18 00:00:02 143kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 Bg4 6.Bd5 +- (2.83) Depth: 10/18 00:00:02 171kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 Bg4 6.Bd5 +- (2.83) Depth: 10/19 00:00:02 222kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 Bg4 6.Bd5 Bd7 +- (2.80) Depth: 11/19 00:00:02 271kN 1...Kh4 2.Kf2 Be4 3.Bf3 Bf5 4.Ke3 Kg5 5.Be4 Bg4 6.Bd5 Bd7 +- (2.80) Depth: 11/20 00:00:03 305kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Bd5 6.h3+ Kf5 7.Bg2 Bc4 8.Ke3 Kg5 9.Be4 +- (2.94) Depth: 12/20 00:00:04 671kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Bd5 6.h3+ Kf5 7.Bg2 Bc4 8.Ke3 Kg5 9.Be4 +- (2.94) Depth: 12/27 00:00:04 862kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Bd5 6.h4 Kf5 7.Bh3+ Kf6 8.Bg2 Bc4 9.Ke3 +- (3.03) Depth: 13/27 00:00:05 1038kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Bd5 6.h4 Kf5 7.Bh3+ Kf6 8.Bg2 Bc4 9.Ke3 +- (3.03) Depth: 13/27 00:00:06 1324kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Bd5 6.h4 Bb7 7.Be2+ Kh3 8.Bf3 Ba6 9.h5 Bc4 +- (3.03) Depth: 14/27 00:00:06 1457kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Bd5 6.h4 Bb7 7.Be2+ Kh3 8.Bf3 Ba6 9.h5 Bc4 +- (3.03) Depth: 14/27 00:00:06 1579kN 1...Kh4 2.g3+ Kh3 3.Kg1 Be4 4.Bf1+ Kg4 5.Kf2 Bd5 6.h4 Be6 7.Be2+ Kf5 8.Ke3 Kf6 9.Bf3 Bf5 10.h5 +- (3.23) Depth: 15/27 00:00:08 2155kN (Blass, Tel-Aviv 03.04.2003) New game 8/8/8/5bk1/8/8/4B1PP/5K2 b - - 0 1 Analysis by BamBam: 1...Bg6 +- (4.86) Depth: 1 00:00:00 1...Be4 +- (4.81) Depth: 1 00:00:00 1...Kh4 +- (4.71) Depth: 1 00:00:00 1...Kf4 +- (4.64) Depth: 1 00:00:00 1...Kf4 2.Kg1 +- (4.70) Depth: 2 00:00:00 1...Kf4 2.Kg1 Be4 +- (4.68) Depth: 3 00:00:00 1...Bg4 2.Bd3 Kf4 +- (4.67) Depth: 3 00:00:00 1...Bg4 2.Bxg4 Kh4 3.h3 +- (7.55) Depth: 4 00:00:00, tb=4 1...Kf4 2.Kg1 Bg4 3.g3+ Kf5 +- (4.81) Depth: 4 00:00:00 1kN, tb=4 1...Kh4 2.Kg1 Be4 3.Kh1 +- (4.76) Depth: 4 00:00:00 2kN, tb=4 1...Kh4 2.Kg1 Be4 3.Kh1 Bd5 +- (4.77) Depth: 5 00:00:00 4kN, tb=7 1...Be6 2.Kg1 Bg4 3.Bd3 Kf4 +- (4.73) Depth: 5 00:00:00 11kN, tb=23 1...Be6 2.g3 Bh3+ 3.Kg1 Kf5 4.Bf3 Bg4 +- (4.84) Depth: 6 00:00:01 23kN, tb=70 1...Kh4 2.Bf3 Kg5 3.Kf2 Kh4 4.Kg1 +- (4.80) Depth: 6 00:00:01 35kN, tb=113 1...Kh4 2.Kg1 Be4 3.Bf3 Bf5 4.Kh1 Bh3 +- (4.80) Depth: 7 00:00:01 76kN, tb=370 1...Kh4 2.Kg1 Bg6 3.Bf3 Bf5 4.Kh1 Bd3 5.Bd5 +- (4.81) Depth: 8 00:00:02 348kN, tb=1549 1...Kh4 2.Kg1 Kg5 3.Bf3 Bg6 4.g3 Bh5 5.Be4 Kg4 +- (4.79) Depth: 9 00:00:04 1181kN, tb=5649 (Blass, Tel-Aviv 03.04.2003)
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