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Subject: Re: Testposition Endgame: Shredder 8 needs 10 seconds!

Author: Joerg Oster

Date: 11:29:12 12/02/04

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Here the analysis of my Shredder 8, on Athlon XP2400+, 432 MB Hash, all 3-, 4-
and 5-men TBs:

Neue Partie,
8/7k/6p1/5p1p/R3nP1P/5KP1/8/4b3 w - - 0 1

Analysis by Shredder 8_Einstein:

1.Ta4xe4 f5xe4+ 2.Kf3xe4
  -+  (-2.64)   Tiefe: 1/3   00:00:00
1.Ta4xe4 f5xe4+ 2.Kf3-e3
  -+  (-3.32)   Tiefe: 1/4   00:00:00
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Le1xg3
  -+  (-3.86)   Tiefe: 1/6   00:00:00
1.Ta4-a6 Le1xg3
  -+  (-3.13)   Tiefe: 1/6   00:00:00
1.Ta4-a6 Le1xg3
  -+  (-3.13)   Tiefe: 1/6   00:00:00
1.Ta4-a7+ Kh7-h6
  -+  (-2.36)   Tiefe: 1/6   00:00:00
1.Ta4-a7+ Kh7-h6
  -+  (-2.36)   Tiefe: 1/6   00:00:00
1.Ta4-a7+ Kh7-h6 2.Ta7-a3
  -+  (-2.62)   Tiefe: 2/6   00:00:00
1.Ta4-a7+ Kh7-h6 2.Ta7-a6 Le1xg3
  -+  (-3.28)   Tiefe: 2/6   00:00:00
1.Ta4-a7+ Kh7-h6 2.Ta7-a6 Le1xg3
  -+  (-3.28)   Tiefe: 2/6   00:00:00
1.Ta4-a6 Le1xg3
  -+  (-3.13)   Tiefe: 2/6   00:00:00
1.Ta4-a6 Le1xg3
  -+  (-3.13)   Tiefe: 2/6   00:00:00
1.Ta4-a6 Le1xg3 2.Ta6-a7+ Kh7-h6
  -+  (-3.36)   Tiefe: 3/6   00:00:00
1.Ta4-a7+ Kh7-h6
  -+  (-3.35)   Tiefe: 3/6   00:00:00
1.Ta4-a7+ Kh7-h6 2.Ta7-a6 Le1xg3
  -+  (-3.28)   Tiefe: 3/6   00:00:00
1.Ta4-a7+ Kh7-h6 2.Ta7-a8 Le1xg3 3.Ta8-h8+ Kh6-g7
  -+  (-3.28)   Tiefe: 4/9   00:00:00
1.Ta4-a7+ Kh7-h6 2.Ta7-a6 Le1xg3 3.Ta6-f6
  -+  (-3.54)   Tiefe: 5/9   00:00:00
1.Ta4-a7+ Kh7-h6 2.Ta7-a1 Le1xg3 3.Ta1-h1 Lg3-f2
  -+  (-3.57)   Tiefe: 5/15   00:00:00
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Kg2-h3 Lf2xg3
  -+  (-3.56)   Tiefe: 5/15   00:00:00
1.Kf3-g2 Kh7-g8 2.Ta4-a3 Kg8-h8 3.Kg2-h3 Le1xg3
  -+  (-3.18)   Tiefe: 5/15   00:00:00
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Kg2-h3 Se4xg3 4.Ta3xg3 Lf2xg3 5.Kh3xg3
  -+  (-2.75)   Tiefe: 5/15   00:00:00
1.Kf3-g2 Kh7-g7 2.Ta4-a7+ Kg7-f6 3.Ta7-a6+ Kf6-f7 4.Ta6-a7+ Kf7-g8 5.Ta7-a3
Kg8-f7 6.Kg2-h3 Se4xg3 7.Ta3xg3 Le1xg3 8.Kh3xg3
  -+  (-2.61)   Tiefe: 6/15   00:00:00  6kN
1.Kf3-g2 Le1xg3 2.Ta4xe4 f5xe4 3.Kg2-h3
  -+  (-3.15)   Tiefe: 7/15   00:00:00  9kN
1.Kf3-g2 Le1xg3 2.Ta4-a3 Lg3xf4 3.Ta3-a6
  -+  (-3.65)   Tiefe: 7/15   00:00:00  9kN
1.Kf3-g2 g6-g5
  -+  (-3.44)   Tiefe: 7/15   00:00:00  11kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6 3.Ke4-f3 g6-g5
  -+  (-3.43)   Tiefe: 7/15   00:00:00  12kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 g6-g5
  -+  (-3.07)   Tiefe: 7/15   00:00:00  12kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6 3.Ke4-f3 Kh6-g7 4.Kf3-g2 Kg7-f6
  -+  (-2.88)   Tiefe: 7/15   00:00:00  13kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Le1xg3 3.f4-f5 Kh7-g7 4.f5xg6 Lg3-f2 5.Ke4-f5 Lf2xh4
  -+  (-2.85)   Tiefe: 8/15   00:00:00  15kN
1.Kf3-g2 Se4xg3 2.Ta4-a1 Kh7-g8
  -+  (-2.80)   Tiefe: 8/15   00:00:00  17kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Ta3-f3 Lf2-b6 4.Tf3-d3 Lb6-f2
  -+  (-2.62)   Tiefe: 8/15   00:00:00  18kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Kh6-g7 3.Ta3-a7+ Kg7-f6 4.Ta7-a6+ Kf6-f7 5.Ta6-a7+
Kf7-f8 6.Ta7-a3 Kf8-e7
  -+  (-2.61)   Tiefe: 9/15   00:00:00  28kN
1.Kf3-g2 Le1xg3 2.Ta4xe4 f5xe4 3.Kg2xg3 Kh7-g7 4.Kg3-f2 Kg7-f6 5.Kf2-e2 Kf6-f5
6.Ke2-e3
  -+  (-2.71)   Tiefe: 10/17   00:00:00  39kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Ta3-d3 Kh6-g7 4.Td3-f3 Lf2-e1 5.Tf3-d3 Le1-f2
6.Td3-f3 Lf2-e1 7.Tf3-d3 Le1-f2 8.Td3-f3
  -+  (-2.61)   Tiefe: 11/19   00:00:00  69kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Ta3-f3 Lf2-d4 4.Tf3-d3 Ld4-c5 5.Kg2-h3 Lc5-f2
6.Kh3-h2 Kh6-g7
  -+  (-2.53)   Tiefe: 12/19   00:00:00  95kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Ta3-f3 Lf2-d4 4.Tf3-a3 Kh6-g7 5.Ta3-a4 Ld4-c5
6.Kg2-f3 Kg7-h6 7.Ta4-a8 Lc5-d4 8.Ta8-g8
  -+  (-2.56)   Tiefe: 13/19   00:00:01  146kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Ta3-a4 Lf2xg3 4.Ta4-a6
  -+  (-2.63)   Tiefe: 14/21   00:00:01  285kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Ta3-f3 Lf2-c5 4.Kg2-h3
  -+  (-2.63)   Tiefe: 15/26   00:00:02  460kN
1.Kf3-g2 Kh7-h6 2.Ta4-a3 Le1-f2 3.Ta3-a4 Lf2xg3 4.Ta4xe4 f5xe4 5.Kg2-f1
  -+  (-2.63)   Tiefe: 16/26   00:00:03  620kN
1.Kf3-g2 Le1xg3 2.Ta4xe4 f5xe4 3.Kg2xg3 Kh7-g7 4.Kg3-g2 Kg7-f7 5.Kg2-f2 Kf7-f6
6.Kf2-g2 Kf6-f5 7.Kg2-g3 g6-g5 8.h4xg5 e4-e3 9.Kg3-h3 h5-h4
  -+  (-2.88)   Tiefe: 17/32   00:00:05  913kN
1.Kf3-g2 Le1xg3 2.Ta4xe4 f5xe4 3.Kg2xg3 Kh7-g7 4.Kg3-g2 Kg7-f7 5.Kg2-f2 Kf7-e6
6.Kf2-e2 Ke6-d6 7.Ke2-e3 Kd6-d5 8.Ke3-d2 Kd5-d4 9.Kd2-e2 e4-e3
  -+  (-2.97)   Tiefe: 17/32   00:00:05  1003kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6
  -+  (-2.96)   Tiefe: 17/33   00:00:10  1772kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6 3.Ke4-f3 Le1-a5 4.g3-g4 La5-d2 5.f4-f5 Kh6-h7
6.f5xg6+ Kh7-h6
  -+  (-2.61)   Tiefe: 17/33   00:00:13  1870kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Le1-f2 3.Ke4-f3 Lf2-c5 4.g3-g4 h5xg4+ 5.Kf3xg4 Kh7-g7
  =  (-0.08)   Tiefe: 17/33   00:00:21  2104kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6 3.Ke4-f3 Le1-c3 4.g3-g4 h5xg4+ 5.Kf3xg4 Kh6-h7
6.f4-f5 Lc3-a1
  =  (-0.03)   Tiefe: 18/33   00:00:22  2185kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6 3.Ke4-f3 Le1-a5 4.g3-g4 h5xg4+ 5.Kf3xg4 Kh6-h7
6.f4-f5 La5-b4
  =  (-0.02)   Tiefe: 19/33   00:00:25  2484kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-g7 3.Ke4-f3 g6-g5 4.h4xg5 Kg7-g6 5.g3-g4 Le1-f2
  =  (-0.02)   Tiefe: 20/33   00:00:30  2775kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Le1-f2 3.Ke4-f3 Lf2-c5 4.g3-g4 h5xg4+ 5.Kf3xg4 Kh7-g7
6.f4-f5 Kg7-g8
  =  (-0.03)   Tiefe: 21/33   00:00:35  3162kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6 3.Ke4-f3 Le1-c3 4.g3-g4 h5xg4+ 5.Kf3xg4 Kh6-h7
6.f4-f5 Kh7-g8
  =  (-0.04)   Tiefe: 22/33   00:00:45  3953kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-g7 3.Ke4-f3 Kg7-f6 4.g3-g4 h5xg4+ 5.Kf3xg4 Le1-c3
6.h4-h5 Kf6-f7
  =  (-0.03)   Tiefe: 23/33   00:00:59  5204kN
1.Ta4xe4 f5xe4+ 2.Kf3xe4 Kh7-h6 3.Ke4-f3 g6-g5 4.f4xg5+ Kh6-g6 5.g3-g4 Le1-c3
  =  (-0.03)   Tiefe: 24/33   00:01:11  6192kN

Regards,
Jörg.

• Classic Shredder 1.1 not registered don't find it in 10 min Franz Hagra 18:34:20 12/02/04
  • ... but it finds it! Ingo Bauer 05:29:11 12/03/04
    • but crafty 19.17 finds it in less then 1 s Franz Hagra 07:42:45 12/03/04

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