Author: Uri Blass
Date: 15:53:41 02/13/02
Go up one level in this thread
On February 13, 2002 at 15:07:36, Robert Hyatt wrote: >On February 13, 2002 at 15:01:25, pavel wrote: > >>Chess Tiger 14.0 - Shredder 6 >>[D]8/8/3r4/6p1/4k1B1/2K2R2/8/8 w - - 0 1 >> >>Analysis by Chess Tiger 14.0: >> >>69.Kc3-c4 Rd6-d2 70.Rf3-f8 Ke4-e3 71.Kc4-c5 Rd2-g2 72.Bg4-h5 g5-g4 73.Rf8-e8+ >>Ke3-f2 >> +- (2.34) Depth: 9 00:00:00 154kN, tb=54 >>69.Kc3-c4 Rd6-d2 70.Rf3-f8 Ke4-e3 71.Kc4-c5 Rd2-g2 72.Bg4-h5 g5-g4 73.Rf8-e8+ >>Ke3-f2 74.Kc5-d5 >> +- (2.34) Depth: 10 00:00:00 337kN, tb=111 >>69.Kc3-c4 Rd6-d1 70.Rf3-f8 Rd1-c1+ 71.Kc4-b5 Rc1-g1 72.Bg4-f5+ Ke4-d4 73.Rf8-g8 >>g5-g4 74.Rg8-d8+ Kd4-e5 75.Rd8-f8 >> +- (2.28) Depth: 11 00:00:03 1045kN, tb=432 >>69.Kc3-c4 Rd6-d1 70.Rf3-f8 Rd1-c1+ 71.Kc4-b3 Rc1-g1 72.Bg4-f5+ Ke4-d4 73.Kb3-c2 >>g5-g4 74.Kc2-d2 g4-g3 75.Kd2-e2 Rg1-g2+ 76.Ke2-f1 >> +- (2.18) Depth: 12 00:00:09 3250kN, tb=1522 >>69.Kc3-c4 Rd6-h6 70.Rf3-f7 Rh6-h4 71.Bg4-c8 g5-g4 72.Rf7-d7 Ke4-e3 73.Rd7-d3+ >>Ke3-f2 74.Rd3-d4 Rh4-h3 75.Rd4-d2+ Kf2-f1 76.Rd2-d7 >> +- (1.94) Depth: 13 00:00:35 12081kN, tb=4966 >>69.Rf3-g3 Ke4-f4 70.Rg3-g1 Rd6-a6 71.Kc3-d4 Ra6-a3 72.Bg4-e2 g5-g4 73.Rg1-f1+ >>Kf4-g5 74.Be2-d3 g4-g3 75.Kd4-e3 g3-g2 76.Rf1-f5+ Kg5-g4 >> +- (2.06) Depth: 13 00:00:45 15209kN, tb=7564 >> >>(Mahamood, MyTown 13.02.2002) >> >> >>Analysis by Shredder 6: >> >>69...Ke4-f4 70.Kc3-b4 >> ³ (-0.26) Depth: 1/2 00:00:00 >>69...Ke4-f4 70.Rg3-g2 >> ³ (-0.26) Depth: 2/4 00:00:00 >>69...Ke4-f4 70.Rg3-g1 Rd6-g6 >> ³ (-0.31) Depth: 3/6 00:00:00 >>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d3 >> = (-0.14) Depth: 4/8 00:00:00 >>69...Ke4-f4 70.Rg3-g1 Rd6-d8 71.Bg4-e6 Rd8-d6 72.Kc3-c2 >> ³ (-0.26) Depth: 5/10 00:00:00 >>69...Ke4-f4 70.Rg3-g1 Rd6-d8 71.Bg4-e6 Rd8-e8 72.Be6-d7 >> = (-0.12) Depth: 6/12 00:00:00 >>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Kc3-d4 Ra6-a2 72.Kd4-d3 Ra2-a3+ 73.Kd3-e2 >> = (-0.06) Depth: 7/14 00:00:00 14kN, tb=292 >>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d4 Rc6-d6+ 73.Kd4-c5 >>Rd6-d2 74.Rg1-g2 >> = (-0.05) Depth: 8/16 00:00:00 30kN, tb=723 >>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d2 Rc6-d6+ 73.Be2-d3 g5-g4 >>74.Rg1xg4+ Kf4xg4 >> = (-0.01) Depth: 9/18 00:00:00 60kN, tb=1707 >>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d2 Rc6-d6+ 73.Be2-d3 g5-g4 >>74.Rg1xg4+ Kf4xg4 >> = (-0.01) Depth: 10/20 00:00:00 133kN, tb=4019 >>69...Ke4-f4 70.Rg3-g1 Rd6-a6 71.Bg4-e2 Ra6-c6+ 72.Kc3-d2 Rc6-d6+ 73.Be2-d3 g5-g4 >>74.Rg1xg4+ Kf4xg4 >> = (-0.01) Depth: 11/22 00:00:01 217kN, tb=6821 >>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Kc5-d5 >> = (-0.01) Depth: 12/24 00:00:01 423kN, tb=12440 >>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6 >>74.Rg1-f1+ Kf4-g3 75.Bd7-f5 Kg3-g2 76.Rf1-d1 >> = (0.00) Depth: 13/25 00:00:02 642kN, tb=18694 >>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6 >>74.Rg1-g4+ Kf4-e5 >> = (0.00) Depth: 14/26 00:00:04 1086kN, tb=29673 >>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6 >>74.Rg1-g4+ Kf4-e5 >> = (0.00) Depth: 15/27 00:00:06 1567kN, tb=40819 >>69...Ke4-f4 70.Rg3-g1 Rd6-g6 71.Kc3-d4 Rg6-d6+ 72.Kd4-c5 Rd6-a6 73.Bg4-d7 Ra6-g6 >>74.Rg1-g4+ Kf4-e5 >> = (0.00) Depth: 16/28 00:00:09 2284kN, tb=56293 >> >>(Mahamood, MyTown 13.02.2002) >> >> >> >>Why does chesstiger thinks it's better. >>A possible bug? >> >>pavs > > >It is missing a piece of knowledge that says "king, rook and bishop vs a >king and rook is a draw, so a king, rook and bishop vs a king, rook and >pawn can't possibly be won by the KRB side... This is not clear. There are positions when KRB vs KR are won for the stronger side. They are only minority but they happen in games. my opinion is that it is best to evaluate KRB vs KRP as a small advantage for the stronger side that is clearly less than a pawn but not as 0.00 Uri
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