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Subject: Re: Interesting position from Patriot 1.2.2 vs. CM9000 SKR

Author: Richard Pijl

Date: 02:06:26 05/07/04

Go up one level in this thread


On May 07, 2004 at 03:27:39, Martin Baumung wrote:

>Hi all,
>
>in a game between Patriot 1.2.2 vs. CM9000 SKR the following position came up.
>
>[D]4r2k/p2q2p1/7p/8/2Prpp2/2Q3P1/PP2RP1P/4R1K1 w
>
>Patriot played c4c5 and lost. I checked this position with some other engines
>and many also play c4c5. Any engine NOT playing c4c5 (and knowing why)?
>
>Best,
>
>Martin

The Baron (development version) needs less than 2 minutes to change to Qc2, and
then almost 5 minutes to change to gxf4 (on a P4-2.4):

 ply       time        nodes   score  pv
  4( 9)&   0:00.05     11303   +1.43  c4-c5 Rd4-d3 c5-c6 Qd7-d5 Qc3-c2
  4( 9).   0:00.05     14823   +1.43  c4-c5 Rd4-d3 c5-c6 Qd7-d5 Qc3-c2
  5(12)-   0:00.22     44965   +1.08  c4-c5 (f4-f3) (b2-b3) (f3xe2) (Re1xe2)
  5(12)&   0:00.22     50485   +1.08  c4-c5 f4-f3 c5-c6 Qd7-d5 Re2-c2 Re8-d8
  5(12).   0:00.22     50517   +1.08  c4-c5 f4-f3 c5-c6 Qd7-d5 Re2-c2 Re8-d8
  6(12)+   0:00.49    106608   +1.43  c4-c5 (f4xg3) (h2xg3) (Qd7-d5) (b2-b4) (Rd
4-d3)
                                      (Qc3-b2)
  6(12)&   0:00.77    168333   +1.47  c4-c5 Rd4-d3 c5-c6 Qd7-d5 Qc3-c2 f4-f3
                                      Re2-e3
  6(12).   0:00.93    205631   +1.47  c4-c5 Rd4-d3 c5-c6 Qd7-d5 Qc3-c2 f4-f3
                                      Re2-e3
  7(14)&   0:02.19    438803   +1.25  c4-c5 f4xg3 h2xg3 Qd7-d5 b2-b3 Re8-d8
                                      Qc3-c2 Rd8-c8
  7(14).   0:02.58    537191   +1.25  c4-c5 f4xg3 h2xg3 Qd7-d5 b2-b3 Re8-d8
                                      Qc3-c2 Rd8-c8
  8(15)&   0:05.38   1278079   +1.26  c4-c5 Qd7-h3 f2-f3 Re8-d8 f3xe4 f4xg3
                                      Qc3xg3 Qh3xg3 h2xg3 Rd4-c4 b2-b4
  8(16).   0:06.81   1654301   +1.26  c4-c5 Qd7-h3 f2-f3 Re8-d8 f3xe4 f4xg3
                                      Qc3xg3 Qh3xg3 h2xg3 Rd4-c4 b2-b4
  9(17)&   0:10.49   2643819   +1.03  c4-c5 Qd7-h3 f2-f3 Rd4-d3 Qc3xd3 e4xd3
                                      Re2xe8 Kh8-h7 g3xf4 Qh3xf3 Re8-d8 Kh7-g6
  9(19).   0:17.52   4508346   +1.03  c4-c5 Qd7-h3 f2-f3 Rd4-d3 Qc3xd3 e4xd3
                                      Re2xe8 Kh8-h7 g3xf4 Qh3xf3 Re8-d8 Kh7-g6
 10(24)-   1:26.83  22709016   +0.68  c4-c5 (f4-f3) (Re2-e3) (Re8-f8) (Kg1-f1) (
Qd7-h3)
                                      (Kf1-g1) (Qh3-g2)
 10(24)&   1:27.93  23011785   +0.26  c4-c5 f4-f3 Re2-e3 Re8-f8 Kg1-h1 Qd7-h3
                                      Re1-g1 Rd4-d1 Re3-e1 Rd1xe1 Qc3xe1 Qh3-f5
 10(24)>   1:44.41  27415660   +0.27  Qc3-c2
 10(24)&   1:46.28  27968651   +0.38  Qc3-c2 f4-f3 Re2-e3 Re8-f8 Kg1-h1 Qd7-h3
                                      Re1-g1 Qh3-d7 Re3xe4 Rd4-d2 Re4-e7
 10(24).   2:04.24  32470358   +0.38  Qc3-c2 f4-f3 Re2-e3 Re8-f8 Kg1-h1 Qd7-h3
                                      Re1-g1 Qh3-d7 Re3xe4 Rd4-d2 Re4-e7
 11(20)&   2:13.91  35259031   +0.29  Qc3-c2 f4-f3 Re2-e3 Qd7-e6 b2-b3 Re8-f8
                                      Kg1-h1 Qe6-h3 Re1-g1 Rf8-e8 c4-c5 Re8-e5
 11(25).   3:43.49  59452732   +0.29  Qc3-c2 f4-f3 Re2-e3 Qd7-e6 b2-b3 Re8-f8
                                      Kg1-h1 Qe6-h3 Re1-g1 Rf8-e8 c4-c5 Re8-e5
 12(24)>   4:36.60  74010910   -0.05  g3xf4
 12(24)&   4:41.38  75340357   +0.00  g3xf4 Rd4-d3 Qc3-b4 Qd7-g4 Kg1-h1 Qg4xf4
                                      Qb4-b5 Qf4-f3 Kh1-g1 Qf3-g4 Kg1-f1 Qg4-h3
                                      Kf1-g1 Qh3-g4 <rep>
 12(26).  10:45.76 168392201   +0.00  g3xf4 Rd4-d3 Qc3-b4 Qd7-g4 Kg1-h1 Qg4xf4
                                      Qb4-b5 Qf4-f3 Kh1-g1 Qf3-g4 Kg1-f1 Qg4-h3
                                      Kf1-g1 Qh3-g4 <rep>
 13(25)&  11:40.46 182442372   +0.00  g3xf4 Rd4-d3 Qc3-b4 Qd7-g4 Kg1-f1 Qg4xf4
                                      Qb4-b5 Re8-f8 Qb5-c5 Qf4-f3 Kf1-g1 Qf3-g4
                                      Kg1-f1 Qg4-f3 <rep>



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