CCRL 40/40
Downloads and Statistics
April 11, 2008
Testing summary:
Total: 114'872 games
played by 449 programs
16375 CPU days (X2 4600+)

White wins: 41'478 (36.1%)
Black wins: 31'357 (27.3%)
Draws: 42'037 (36.6%)
White score: 54.4%

All engines

Comparing 449 engines!
449 selected engines played 114872 games with each other

Ponder hit: Most similar pairs (different families only)

#PairPonder hitMoves
counted
1OBender 3.10.1 – Micro-Max 4.882.6437
2Feuerstein 0.4.5.1 – Micro-Max 4.878.3415
3Thinker 5.1c Passive – Movei 00.8.43877.3304
4Monarch 1.7 – Micro-Max 4.876.1653
5Loop 13.6 32-bit – Fruit 05110375.8777
6Loop 13.6 32-bit – Fruit 2.2.175.81186
7Loop 10.32f – Fruit 2.2.175.61018
8Toga II 1.2.1a – Glaurung 2 epsilon/5 64-bit75.6336
9Feuerstein 0.4.4.2 – Micro-Max 4.875.2436
10Delphil 1.6c – Arion 1.774.7352
11Clueless 1.4 – Micro-Max 4.874.5435
12Loop M1-T 64-bit 4CPU – Toga II 1.3.173.41306
13Loop M1-T 64-bit 2CPU – Toga II 1.3.172.71532
14Thinker 5.1c Passive – Ruffian 2.1.072.3401
15Toga II 1.3.1 – Loop 13.6 32-bit70.8960
16Fritz 9 – Zap!Chess Reykjavik 32-bit70.2346
17Toga II 1.4 beta5c 4CPU – Loop M1-T 64-bit 4CPU70.01358
18Loop 13.6 64-bit 4CPU – Toga II 1.2.1a70.01914
19Loop 13.6 32-bit – Hiarcs 11.269.9329
20Loop M1-T 64-bit 4CPU – Toga II 1.2.1a69.71582
21CM10th Paralyse – Pharaon 3.5.169.6316
22Loop 13.6 32-bit – Toga II 1.2.1a69.51182
23Loop 13.5 32-bit – Toga II 1.2.1a69.5678
24Hiarcs 11 – Naum 2.0 64-bit69.5347
25Movei 00.8.438 (10 10 10) – Ruffian 2.1.069.4301
26Rybka 1.0 32-bit – Glaurung 1.2.1 Avalanche 64-bit 2CPU69.4350
27Loop 13.6 64-bit 4CPU – Toga II 1.3.169.31422
28BugChess2 1.4.1 – AliChess 4.0869.0323
29Naum 2.2 32-bit – Loop M1-T 64-bit69.0368
30Loop M1-T 64-bit 2CPU – Bright 0.2b 2CPU69.0610

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Results table
Score table
LOS table
Ponder hit table
Eval difference table
Proportion of draws
White score
Number of games
 Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents
Ponder hit with common opponents
Ponder hit with all opponents
Eval difference with common opponents
Eval difference with all opponents

Ponder hit: most similar pairs
Ponder hit: most similar pairs (different families only)
Ponder hit: most different pairs
Ponder hit: most different pairs (same families only)
Eval diff: most similar pairs
Eval diff: most similar pairs (different families only)
Eval diff: most different pairs
Eval diff: most different pairs (same families only)

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in ELO range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
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Reference rating list:
Recalibrate:
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  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines

Created in 2005-2008 by CCRL team
Last games added on April 11, 2008