Author: Uri Blass
Date: 06:05:56 05/18/03
Go up one level in this thread
On May 17, 2003 at 21:39:17, Jon Dart wrote: >I think you could be right about this one. My latest build selects g4 at ply 13, >and after 15 minutes has a score of +0.63. It doesn't get a better score (for >White) if I force Kc4 and then have it search: in fact it looks like g4 is >better. So it appears there is more than one good move here. I will remove this >problem. > >--Jon I have another position that I have doubts about it. arasan3.17 [D]8/8/5PbP/4k1P1/8/4B1K1/8/5r2 b - - 0 1 Bm: Rf5 The problem is that it seems that Ke4 is also winning Here is analysis of Yace after Ke4 You can see that the score drop every iteration. New game 8/8/5PbP/6P1/4k3/4B1K1/8/5r2 w - - 0 1 Analysis by Yace Paderborn: 2.h7 Bxh7 -+ (-1.75) Depth: 1 00:00:00 2.Bc5 ² (0.28) Depth: 1 00:00:00 2.Bc5 ² (0.28) Depth: 1 00:00:00 2.Bc5 Bf7 = (-0.05) Depth: 2 00:00:00 2.Kg2 Bh7 = (-0.02) Depth: 2 00:00:00 2.Kg2 Rxf6 ² (0.29) Depth: 2 00:00:00 2.Kg2 Rxf6 ² (0.29) Depth: 2 00:00:00 2.Kg2 Rf3 3.Bc5 = (0.20) Depth: 3 00:00:00 2.Kg2 Rf3 3.Bc5 = (0.20) Depth: 3 00:00:00 2.Kg2 Rf5 3.Bd2 Bf7 = (-0.13) Depth: 4 00:00:00 2.Bf2 Bf7 3.Kg2 Rh1 = (-0.12) Depth: 4 00:00:00 2.Bf2 Bf7 3.Kg2 Rd1 = (0.01) Depth: 4 00:00:00 2.Bf2 Bf7 3.Kg2 Rd1 = (0.01) Depth: 4 00:00:00 2.Bf2 Rh1 3.Kg4 Bf7 4.Bc5 = (-0.11) Depth: 5 00:00:00 2.Bf2 Rh1 3.Kg4 Bf7 4.Bc5 = (-0.11) Depth: 5 00:00:00 2.Bf2 Rh1 3.Bc5 Ke5 4.Kg4 Bf7 = (-0.09) Depth: 6/11 00:00:00 19kN 2.Bf2 Rh1 3.Bc5 Ke5 4.Kg4 Bf7 = (-0.09) Depth: 6/13 00:00:00 26kN 2.Bf2 Rh1 3.Bc5 Ke5 4.Kg2 Rh5 5.Be3 = (-0.18) Depth: 7/13 00:00:00 40kN 2.Bf2 Rh1 3.Bc5 Ke5 4.Kg2 Rh5 5.Be3 = (-0.18) Depth: 7/14 00:00:00 85kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Kf2 Kf5 5.Be3 Kg6 ³ (-0.51) Depth: 8/14 00:00:01 133kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Kf2 Kf5 5.Be3 Kg6 ³ (-0.51) Depth: 8/20 00:00:01 233kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Kf2 Ke5 5.Kf3 Rh2 6.Ke3 ³ (-0.48) Depth: 9/20 00:00:01 316kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Kf2 Ke5 5.Kf3 Rh2 6.Ke3 ³ (-0.48) Depth: 9/20 00:00:02 382kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Kf2 Kf5 5.Be3 Kg6 6.Kg2 Rh4 ³ (-0.56) Depth: 10/20 00:00:02 618kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Kf2 Kf5 5.Be3 Kg6 6.Kg2 Rh4 ³ (-0.56) Depth: 10/23 00:00:03 722kN 2.Bf2 Bf7 3.Kg2 Rd1 4.Kg3 Kf5 5.Be3 Kg6 6.Kg4 Kh7 7.Kf5 ³ (-0.55) Depth: 11/25 00:00:08 2421kN 2.Bf2 Bf7 3.Kg2 Rd1 4.Kg3 Kf5 5.Be3 Kg6 6.Kg4 Kh7 7.Kf5 ³ (-0.55) Depth: 11/25 00:00:09 2676kN 2.Bf2 Kf5 3.Kg2 Rb1 4.Bd4 Ke6 5.Kf2 Kf7 6.Ke2 Bh7 7.Be5 Rg1 µ (-0.75) Depth: 12/27 00:00:22 7070kN 2.Bf2 Kf5 3.Kg2 Rb1 4.Bd4 Ke6 5.Kf2 Kf7 6.Ke2 Bh7 7.Be5 Rg1 µ (-0.75) Depth: 12/27 00:00:24 7353kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Kf2 Ra1 5.Kg3 Ra5 6.Kg2 Rxc5 7.Kg1 µ (-1.15) Depth: 13/29 00:00:38 12054kN 2.Bf2 Bf7 3.Kg2 Rd1 4.Kg3 Rh1 5.Bc5 Be6 6.Kf2 Rh2+ 7.Ke1 Rh5 8.h7 Kd5 9.f7 Rh1+ 10.Kd2 -+ (-1.63) Depth: 13/32 00:01:06 22124kN 2.Bf2 Bf7 3.Kg2 Rd1 4.Kg3 Rh1 5.Bc5 Be6 6.Kf2 Rh2+ 7.Ke1 Rh5 8.h7 Kd5 9.f7 Rh1+ 10.Kd2 -+ (-1.63) Depth: 13/32 00:01:09 22918kN 2.Bf2 Ra1 3.Kg4 Ra3 4.Be1 Rf3 -+ (-1.69) Depth: 14/33 00:02:50 57447kN 2.Bf2 Ra1 3.Kg4 Ra3 4.Be1 Rf3 -+ (-1.69) Depth: 14/33 00:02:54 58648kN 2.Bf2 Bf7 3.Kg2 Rd1 -+ (-1.88) Depth: 15/34 00:06:04 123918kN 2.Bf2 Bf7 3.Kg2 Rd1 4.Bg3 Rd8 5.Kf2 Kf5 6.Bc7 Bc4 -+ (-1.88) Depth: 15/34 00:06:16 127637kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Bf2 Be6 5.Bb6 Rh5 6.f7 Bxf7 7.Bd8 Bg6 8.Bf6 -+ (-2.14) Depth: 16/36 00:14:43 295042kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Bf2 Be6 5.Bb6 Rh5 6.f7 Bxf7 7.Bd8 Bg6 8.Bf6 -+ (-2.14) Depth: 16/36 00:15:29 308069kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Bf2 Be6 5.Bb6 Rh5 6.f7 Bxf7 7.Bd8 Bg6 8.Bf6 Bh7 9.Kf2 Kf5 10.Ke3 Rh3+ 11.Kd4 Ke6 -+ (-2.20) Depth: 17/39 00:30:25 630708kN 2.Bf2 Rh1 3.Bc5 Bf7 4.Bf2 Be6 5.Bb6 Rh5 6.f7 Bxf7 7.Bd8 Bg6 8.Bf6 Bh7 9.Kf2 Kf5 10.Ke3 Rh3+ 11.Kd4 Ke6 -+ (-2.20) Depth: 17/39 00:31:36 656948kN (Blass, Tel-Aviv 18.05.2003) Uri
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