Author: Uri Blass
Date: 02:30:34 11/26/01
Go up one level in this thread
On November 25, 2001 at 15:14:16, Victor Fernandez wrote: >On November 25, 2001 at 13:37:09, Mike S. wrote: > >>The number of types of positions and ideas chess programs don't handle well, is >>shrinking rapidly IMO. Do you have examples? > >Hi Mike ! > >Yes, an example: an ending with few pieces . > >Kotov-Botvinnik > >8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - - 0 1 > >The correct move is ...g5 !!! Few programs play this. > >Regards, > > Victor yace after learning New position 8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - - 0 1 Analysis by Yace 0.99.56: 1...b2 2.Kxb2 = (0.05) Depth: 1 00:00:00 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 1 00:00:00 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 2 00:00:00 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 3 00:00:00 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 4 00:00:00 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 5 00:00:00 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 6 00:00:00 2kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 7 00:00:00 4kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 8 00:00:00 10kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 9 00:00:00 24kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 10 00:00:00 49kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 11 00:00:00 99kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 12 00:00:00 201kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 13 00:00:00 421kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 14 00:00:01 965kN 1...g5 2.fxg5 d4+ 3.exd4 Kg3 4.g6 Kxh4 5.Be7+ Kg3 6.Bd6+ Kg2 7.Be7 Kh3 8.Kb2 Kg4 9.g7 h4 10.d5 Bxd5 11.Bb4 -+ (-2.05) Depth: 15 00:00:03 1974kN (Blass, Tel-aviv 26.11.2001) It may be interesting to give the top programs of today many hours to analyze in order to find g5 or d4+(it is only tactics and I expect the top programs of today to find g5 or d4+ faster). It may be also interesting if yace with only material evaluation and learning can prove at least 2 pawns advantage by 1...g5(I believe that it can) Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.