Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Test position

Author: Gian-Carlo Pascutto

Date: 05:51:25 06/04/02

Go up one level in this thread


On June 04, 2002 at 05:03:42, Andrew Williams wrote:

>This is from an ICC game between PostModernist and Crafty. The key here is Nb2!
>How long does it take your program to find it?
>
>[D]1r1r2k1/p5pp/4ppq1/2b5/nP6/4P1P1/P2BQ1BP/R2R3K b - b3 0 1 bm Nb2

Sjeng, Athlon XP 1150 (Don't ask)

New game
1r1r2k1/p5pp/4ppq1/2b5/nP6/4P1P1/P2BQ1BP/R2R3K b - b3 0 1

Analysis by Sjeng 12.14 b:

1...Be7 2.Qc4
  ²  (0.26)   Depth: 2   00:00:00
1...Bxb4
  ³  (-0.56)   Depth: 2/8   00:00:00
1...Bxb4 2.Rac1 Bxd2 3.Rxd2
  µ  (-1.29)   Depth: 2/8   00:00:00
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd7
  µ  (-0.92)   Depth: 3/8   00:00:00
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd7
  µ  (-0.92)   Depth: 3/8   00:00:00
1...Bxb4
  ³  (-0.42)   Depth: 4/13   00:00:00
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd8+ Kf7 5.Rd7+ Kg8 6.Rxa7
  =  (0.07)   Depth: 4/13   00:00:00
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd8+ Kf7 5.Rd7+ Kg8 6.Rxa7
  =  (0.07)   Depth: 4/13   00:00:00
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd8+ Kf7 5.Rd7+ Kg8 6.Rd8+ Kf7 7.Qe1 Qb1
  =  (0.00)   Depth: 5/14   00:00:00
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd8+ Kf7 5.Rd7+ Kg8 6.Rd8+ Kf7 7.Qe1 Qb1
  =  (0.00)   Depth: 5/16   00:00:01
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd8+ Kf7 5.Rd7+ Kg8 6.Rd8+ Kf7 7.Qe1 Qb1
  =  (0.00)   Depth: 6/16   00:00:01  115kN
1...Bxb4 2.Bxb4 Rxd1+ 3.Rxd1 Rxb4 4.Rd8+ Kf7 5.Rd7+ Kg8 6.Rd8+ Kf7 7.Qe1 Qb1
  =  (0.00)   Depth: 6/19   00:00:02  193kN
1...Bxb4 2.Bxb4 Rxd1+ 3.Qxd1 Rxb4 4.a3 Rc4 5.Qd8+ Kf7 6.Qd7+ Kg8 7.Qd8+ Kf7
8.Qd7+ Kg8 9.Qd8+
  =  (0.00)   Depth: 7/19   00:00:02  310kN
1...Bxb4 2.Bxb4 Rxd1+ 3.Qxd1 Rxb4 4.a3 Rc4 5.Qd8+ Kf7 6.Qd7+ Kg8 7.Qd8+ Kf7
8.Qd7+ Kg8 9.Qd8+
  =  (0.00)   Depth: 7/22   00:00:03  593kN
1...Bxb4
  ²  (0.50)   Depth: 8/25   00:00:04  935kN
1...Be7 2.Be1 Rxd1 3.Qxd1 Nb6 4.Rc1 Rd8 5.Qe2 Qf5
  =  (-0.05)   Depth: 8/25   00:00:05  1750kN
1...Be7 2.Be1 Rxd1 3.Qxd1 Nb6 4.Rc1 Rd8 5.Qe2 Qf5
  =  (-0.05)   Depth: 8/25   00:00:07  2339kN
1...Be7 2.Be1 Rxd1 3.Qxd1 Nb6 4.Rc1 Rd8 5.Qe2 Qd3 6.Qxd3 Rxd3
  =  (0.06)   Depth: 9/25   00:00:09  3530kN
1...Nb2 2.bxc5 Nxd1 3.Rxd1 Qc2 4.Bf3 Rb2 5.Be1 Rxd1 6.Qxc2 Rxc2 7.Bxd1 Rxc5
  =  (-0.13)   Depth: 9/25   00:00:14  5934kN
1...Nb2 2.bxc5 Nxd1 3.Rxd1 Qc2 4.Bf3 Rb2 5.Be1 Rxd1 6.Qxc2 Rxc2 7.Bxd1 Rxc5
  =  (-0.13)   Depth: 9/26   00:00:14  6362kN
1...Nb2
  ³  (-0.63)   Depth: 10/28   00:00:18  8257kN
1...Nb2 2.bxc5 Nxd1 3.Rxd1 Qc2 4.c6 Rb2 5.Qg4 Rxd2 6.Qxe6+ Kf8 7.Rxd2 Qxd2
  µ  (-1.13)   Depth: 10/28   00:00:23  10049kN
1...Nb2 2.bxc5 Nxd1 3.Rxd1 Qc2 4.c6 Rb2 5.Qg4 Rxd2 6.Qxe6+ Kf8 7.Rxd2 Qxd2
  µ  (-1.13)   Depth: 10/28   00:00:28  11443kN
1...Nb2 2.bxc5 Nxd1 3.Rxd1 Qc2 4.Kg1 Rb2 5.c6 Rxd2 6.Qxd2 Qxd2 7.Rxd2 Rxd2 8.c7
  µ  (-0.74)   Depth: 11/28   00:00:36  15981kN
1...Nb2 2.bxc5 Nxd1 3.Rxd1 Qc2 4.Kg1 Rb2 5.c6 Rxd2 6.Qxd2 Qxd2 7.Rxd2 Rxd2 8.c7
  µ  (-0.74)   Depth: 11/35   00:00:43  19965kN

--
GCP



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.