CCRL 40/15
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 1'220'986 games
played by 2'799 programs

White wins: 419'408 (34.3%)
Black wins: 308'533 (25.3%)
Draws: 493'045 (40.4%)
White score: 54.5%

Open source 32-bit multi-CPU engines

Comparing 9 engines!
4 best versions of selected engines played 0 games with each other

CCRL 40/15 Rating List — Open source 32-bit multi-CPU engines (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on March 2, 2021 with Bayeselo based on 1'220'986 games
Please refer to the "about" page for comments on engine inclusion.

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
Elo+−
1ChessBrainVB 3.72 4CPU3166+30−3045.0%+31.051.3%320 
51.9%
 ChessBrainVB 3.74 4CPU3163+128−13046.9%+18.056.3%16
72.4%
 ChessBrainVB 3.68 4CPU3123+26−2649.2%+4.151.6%428
81.8%
 ChessBrainVB 3.66 4CPU3105+28−2854.2%−27.148.7%378
100.0%
2Toga II 3.0 4CPU2918+22−2245.6%+27.249.0%592
86.3%
 Toga II 1.4.1SE 4CPU2903+13−1348.5%+10.941.6%2041
95.7%
 Toga II 1.4 beta5c 4CPU2884+18−1851.7%−11.645.8%996
100.0%
3Scorpio 2.0 32-bit 4CPU2731+24−2433.4%+114.936.7%607
100.0%
4Nemeton 1.8 4CPU2530+27−2749.9%+1.827.2%496
 

Results matrix

Open source 32-bit multi-CPU engines (best versions only)
#NameElo1
Chess
2
Toga
3
Scorp
4
Nemet
1ChessBrainVB 3.72 4CPU3166    
2Toga II 3.0 4CPU2918    
3Scorpio 2.0 32-bit 4CPU2731    
4Nemeton 1.8 4CPU2530    
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

LOS matrix

Open source 32-bit multi-CPU engines (best versions only)
#NameElo1
Che
2
Tog
3
Sco
4
Nem
1ChessBrainVB 3.72 4CPU3166 100.0100.0100.0
2Toga II 3.0 4CPU29180.0 100.0100.0
3Scorpio 2.0 32-bit 4CPU27310.00.0 100.0
4Nemeton 1.8 4CPU25300.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Rating list
Testing profile
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Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting 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

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 2005-2013 by CCRL team
Last games added on March 2, 2021