CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Free 32-bit multi-CPU engines

Comparing 16 engines!
9 best versions of selected engines played 95 games with each other

CCRL 40/40 Rating List — Free 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 games

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 4CPU3173+31−3145.2%+29.251.3%302 
99.0%
 ChessBrainVB 3.68 4CPU3124+26−2649.2%+4.551.6%428
82.4%
 ChessBrainVB 3.66 4CPU3106+28−2854.2%−27.148.7%378
100.0%
2Spike 1.4 Leiden 4CPU3016+11−1145.2%+29.647.7%2862
100.0%
3Toga II 3.0 4CPU2919+22−2345.6%+27.149.0%592
86.6%
 Toga II 1.4.1SE 4CPU2904+13−1348.5%+10.741.6%2041
78.9%
4Bright 0.4a 4CPU2896+15−1547.4%+17.341.1%1495
65.6%
 Bright 0.5c 4CPU2891+23−2347.2%+18.842.9%616
65.7%
 Toga II 1.4 beta5c 4CPU2885+18−1851.7%−12.445.8%996
100.0%
 Bright 0.3a 4CPU2830+18−1842.4%+50.741.8%988
81.0%
5Jonny 4.00 4CPU2815+25−2543.6%+42.835.0%540
72.4%
 Bright 0.2c 4CPU2805+21−2143.9%+40.443.2%724
100.0%
6Scorpio 2.0 32-bit 4CPU2731+24−2433.4%+115.436.7%607
98.5%
7Hamsters 0.7.1 4CPU2685+32−3252.4%−14.136.2%318
71.3%
8Pharaon 3.5.1 4CPU2673+26−2643.6%+41.629.7%518
100.0%
9Nemeton 1.8 4CPU2529+27−2749.9%+1.727.2%496
 

Results matrix

Free 32-bit multi-CPU engines (best versions only)
#NameElo123456789
1ChessBrainVB 3.72 4CPU3173         
2Spike 1.4 Leiden 4CPU3016  7 − 5
+4−2=6
−48
 2 − 0
+2−0=0
+INF
    
3Toga II 3.0 4CPU2919 5 − 7
+2−4=6
+48
  2 − 0
+2−0=0
+INF
    
4Bright 0.4a 4CPU2896     25 − 7
+21−3=8
+41
   
5Jonny 4.00 4CPU2815 0 − 2
+0−2=0
−INF
0 − 2
+0−2=0
−INF
    11 − 5
+9−3=4
−8
 
6Scorpio 2.0 32-bit 4CPU2731   7 − 25
+3−21=8
−41
   18 − 9
+13−4=10
+48
 
7Hamsters 0.7.1 4CPU2685       1.5 − 2.5
+0−1=3
−71
 
8Pharaon 3.5.1 4CPU2673    5 − 11
+3−9=4
+8
9 − 18
+4−13=10
−48
2.5 − 1.5
+1−0=3
+71
  
9Nemeton 1.8 4CPU2529         
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

Free 32-bit multi-CPU engines (best versions only)
#NameElo123456789
1ChessBrainVB 3.72 4CPU3173 100.0100.0100.0100.0100.0100.0100.0100.0
2Spike 1.4 Leiden 4CPU30160.0 100.0100.0100.0100.0100.0100.0100.0
3Toga II 3.0 4CPU29190.00.0 94.7100.0100.0100.0100.0100.0
4Bright 0.4a 4CPU28960.00.05.3 100.0100.0100.0100.0100.0
5Jonny 4.00 4CPU28150.00.00.00.0 100.0100.0100.0100.0
6Scorpio 2.0 32-bit 4CPU27310.00.00.00.00.0 98.599.9100.0
7Hamsters 0.7.1 4CPU26850.00.00.00.00.01.5 71.3100.0
8Pharaon 3.5.1 4CPU26730.00.00.00.00.00.128.7 100.0
9Nemeton 1.8 4CPU25290.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Results table
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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019