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Subject: Re: Fairly simple endgame position

Author: George Tsavdaris

Date: 04:53:36 06/06/03

Go up one level in this thread


On June 06, 2003 at 05:46:24, Vincent Lejeune wrote:

>On June 06, 2003 at 05:40:21, Lyn Harper wrote:
>
>>  [D]k7/5p2/4pP2/4P3/3P4/8/8/4K3 w - -
>>
>>   Hope the diagram comes out :)
>>  Goood old CM9k does it in pretty short order, without EGDB. About 1min18sec on
>>my Athlon 2400.   But Ruffian, Genius7 and Green Light Chess are stumped ,even
>>after about 10min.
>>   I don't have Fritz or Shredder. The old Chessica got it in over 5min.
>>   How does your proggy do?

I don't know if you mean to find a mate in X, but Ruffian and all engines i
tried solve this instantly. As you said too simple, even for me.

Analysis by Fritz 8:

1.d4-d5!
  +-  (21.63)   Depth: 14/25   00:00:00  240kN, tb=837

1.d4-d5 Ka8-b7 2.d5xe6 Kb7-c6 3.e6xf7 Kc6-d5 4.f7-f8Q Kd5-e4 5.f6-f7 Ke4-f3
6.Qf8-a3+ Kf3-g2
  +-  (22.94)   Depth: 14/29   00:00:00  540kN, tb=1035

1.d4-d5!
  +-  (23.22)   Depth: 15/29   00:00:01  672kN, tb=1223

1.d4-d5!
  +-  (23.50)   Depth: 15/29   00:00:01  710kN, tb=1269

1.d4-d5!
  +-  (24.09)   Depth: 15/29   00:00:01  739kN, tb=1306

1.d4-d5!
  +-  (24.41)   Depth: 16/31   00:00:04  2740kN, tb=2019

1.d4-d5!
  +-  (24.72)   Depth: 16/32   00:00:04  3009kN, tb=2129

1.d4-d5!
  +-  (25.28)   Depth: 16/32   00:00:05  3336kN, tb=2259
-------------------------------------------------------------------------
Analysis by Shredder 7.04:

1.d4-d5 Ka8-b7 2.d5xe6 Kb7-c6 3.e6xf7 Kc6-d5 4.e5-e6 Kd5-e4 5.e6-e7 Ke4-f5
6.e7-e8Q Kf5-g6 7.f7-f8Q+ Kg6-g5 8.Qf8-c5+ Kg5-h6
  +-  (27.09)   Depth: 13/16   00:00:00  50kN, tb=2591

1.d4-d5 Ka8-b7 2.d5xe6 Kb7-c6 3.e6xf7 Kc6-d5 4.Ke1-d1 Kd5-d4 5.f7-f8Q Kd4-d5
6.Qf8-g8+ Kd5-e4 7.Qg8-g4+ Ke4-e3 8.Qg4-e4+ Ke3-f2 9.Qe4-f3+ Kf2-g1 10.Qf3-g2+
Kg1xg2
  +-  (#18)   Depth: 13/22   00:00:02  148kN, tb=7530

1.d4-d5 Ka8-b7 2.d5xe6 Kb7-c6 3.e6xf7 Kc6-d5 4.e5-e6 Kd5-e4 5.e6-e7 Ke4-f3
6.e7-e8Q Kf3-g3 7.Qe8-e4 Kg3-h3 8.Qe4-g4+ Kh3-h2 9.f7-f8Q Kh2-h1
  +-  (#15)   Depth: 14/26   00:00:04  403kN, tb=14166

1.d4-d5 Ka8-b7 2.d5xe6 Kb7-c6 3.e6xf7 Kc6-d5 4.e5-e6 Kd5-e4 5.e6-e7 Ke4-f3
6.e7-e8Q Kf3-g3 7.Qe8-e4 Kg3-h3 8.Qe4-g4+ Kh3-h2 9.Qg4-g2+ Kh2xg2 10.f7-f8Q
  +-  (#15)   Depth: 15/28   00:00:09  796kN, tb=21098
-------------------------------------------------------------------
Analysis by Deep Junior 8.YY:

1.d4-d5!
  +-  (23.42)   Depth: 21   00:00:00  135kN, tb=769
1.d4-d5 Ka8-b7 2.d5xe6 Kb7-c6 3.e6xf7 Kc6-d5 4.f7-f8Q Kd5-e6 5.Qf8-c8+ Ke6-d5
6.e5-e6 Kd5-e4 7.e6-e7 Ke4-e5 8.e7-e8Q+
  +-  (26.14)   Depth: 21   00:00:02  1077kN, tb=7074
1.d4-d5!
  +-  (26.44)   Depth: 23   00:00:02  1173kN, tb=7378
1.d4-d5 e6xd5 2.Ke1-d2 Ka8-b7 3.e5-e6 f7xe6
  +-  (#11)   Depth: 23   00:00:03  1715kN, tb=8731
1.d4-d5 e6xd5 2.Ke1-d2 Ka8-b7 3.e5-e6 f7xe6
  +-  (#11)   Depth: 23   00:00:03  1723kN, tb=8788
---------------------------------------------------------------------
Analysis by Ruffian 1.0.1:

1.d4-d5 e6xd5 2.e5-e6 f7xe6 3.f6-f7 Ka8-b7 4.f7-f8Q Kb7-c6 5.Qf8-e7 e6-e5
6.Qe7xe5 Kc6-c5 7.Ke1-d2 Kc5-c4 8.Qe5-c3+ Kc4-b5 9.Qc3-d4
  +-  (8.34)   Depth: 15/23   00:00:00  173kN

1.d4-d5 e6xd5 2.e5-e6 f7xe6 3.f6-f7 Ka8-b7 4.f7-f8Q Kb7-c6 5.Qf8-e7 e6-e5
6.Qe7xe5 Kc6-c5 7.Ke1-d2 Kc5-c4 8.Qe5-c3+ Kc4-b5 9.Qc3-d4 Kb5-c6
  +-  (8.44)   Depth: 16/23   00:00:00  331kN

1.d4-d5 e6xd5 2.e5-e6 f7xe6 3.f6-f7 Ka8-b7 4.f7-f8Q Kb7-c6 5.Qf8-e7 e6-e5
6.Qe7xe5 Kc6-c5 7.Ke1-d2 Kc5-c6 8.Qe5-c3+ Kc6-d6 9.Kd2-d3 Kd6-d7
  +-  (8.58)   Depth: 17/25   00:00:01  621kN

1.d4-d5 e6xd5 2.e5-e6 f7xe6 3.f6-f7 Ka8-b7 4.f7-f8Q Kb7-c6 5.Qf8-e7 e6-e5
6.Qe7xe5 Kc6-c5 7.Ke1-d2 Kc5-c6 8.Qe5-c3+ Kc6-b6 9.Qc3-d4+ Kb6-c6 10.Kd2-c3
Kc6-d6
  +-  (8.74)   Depth: 18/29   00:00:02  1331kN
--------------------------------------------------------------------------



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