Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: classical bishop sac, which program finds it in acceptable time?

Author: Mark Young

Date: 21:33:29 09/24/00

Go up one level in this thread


On September 24, 2000 at 10:42:01, Harald Faber wrote:

>I'd suggest 30mins.
>
>[D]rnbqr1k1/pp2bppp/4p3/2ppP3/3P3P/2NB1N2/PPP2PP1/R2QK2R w KQ - bm Bd3h7;id
>Faber-Lautenschuetz;

Junior 6 found the sac quickly, but could not see a win. Junior may be playing
this on positional grounds.

New position
rnbqr1k1/pp2bppp/4p3/2ppP3/3P3P/2NB1N2/PPP2PP1/R2QK2R w KQ - 0 1

Analysis by Junior 6.0:

1.dxc5 Bxc5 2.Ng5
  =  (0.06)   Depth: 3   00:00:00
1.dxc5 Bxc5 2.Ng5 h6 3.Bh7+ Kf8 4.Nf3
  =  (-0.06)   Depth: 6   00:00:00  2kN
1.dxc5 Nc6 2.a3 Bxc5 3.Ng5
  =  (-0.22)   Depth: 9   00:00:00  86kN
1.Ng5 g6 2.Bb5 Rf8 3.Nf3 a6 4.Be2
  =  (-0.19)   Depth: 9   00:00:00  136kN
1.Ng5 g6 2.Bb5 Rf8 3.Nf3 a6 4.Be2 cxd4 5.Qxd4 Nc6
  ³  (-0.26)   Depth: 12   00:00:01  585kN
1.dxc5 Bxc5 2.Na4 Be7 3.c3 h6 4.h5 Nc6
  =  (-0.16)   Depth: 12   00:00:02  1316kN
1.dxc5 Bxc5 2.0-0 Bd7 3.Ng5 h6 4.Bh7+ Kf8 5.Nf3 Qb6 6.b3 Nc6
  ³  (-0.28)   Depth: 15   00:00:20  14395kN
1.Bxh7+ Kxh7 2.Ng5+ Bxg5 3.hxg5+ Kg8 4.Qh5 Kf8 5.g6 Ke7 6.gxf7 Rf8 7.Qg5+ Kxf7
8.Qh5+ Ke7 9.Qg5+ Kd7
  =  (-0.23)   Depth: 15   00:01:16  53297kN
1.Bxh7+ Kxh7 2.Ng5+ Bxg5 3.hxg5+ Kg8 4.Qh5 Kf8 5.g6 Ke7 6.dxc5 f6 7.exf6+ Kxf6
  =  (-0.23)   Depth: 16   00:01:46  73256kN
1.Bxh7+ Kxh7 2.Ng5+ Bxg5 3.hxg5+ Kg8 4.Qh5 Kf8 5.g6 Ke7 6.dxc5 f6 7.exf6+ Kxf6
8.0-0-0 Nc6 9.Ne4+
  =  (-0.10)   Depth: 17   00:03:49  149909kN
1.Bxh7+ Kxh7 2.Ng5+ Bxg5 3.hxg5+ Kg8 4.Qh5 Kf8 5.g6 Ke7 6.dxc5 Nc6 7.gxf7 Rf8
8.0-0-0 Qa5
  =  (-0.08)   Depth: 18   00:08:00  301576kN
1.Bxh7+ Kxh7 2.Ng5+ Bxg5 3.hxg5+ Kg8 4.Qh5 Kf8 5.g6 Ke7 6.dxc5 Nc6 7.gxf7 Rf8
8.0-0-0 Qa5
  =  (-0.08)   Depth: 19   00:19:32  696702kN

(Young, 24.09.2000)



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.