CCRL Blitz
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 2'387'265 games
played by 2'826 programs

White wins: 919'531 (38.5%)
Black wins: 739'461 (31.0%)
Draws: 728'273 (30.5%)
White score: 53.8%

Open source 32-bit 4-CPU engines

Comparing 12 engines!
6 best versions of selected engines played 0 games with each other

CCRL Blitz Rating List — Open source 32-bit 4-CPU engines (Quote)

Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Computed on October 17, 2020 with Bayeselo based on 2'387'265 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Lc0 0.25.1 t40-1541 RTX20803644+17−1765.6%−104.357.9%1089 
98.6%
 Lc0 0.23.1 w42850 RTX20803620+13−1362.1%−74.067.8%1789
99.0%
 Lc0 0.22.0 w49921 RTX20803597+15−1563.8%−82.265.5%1292
100.0%
2ChessBrainVB 3.74 4CPU3169+14−1454.2%−27.241.9%1596
100.0%
 ChessBrainVB 3.70 4CPU3116+17−1750.5%−4.243.0%1060
100.0%
3Toga II 3.0 4CPU2930+17−1725.3%+196.428.5%1459
99.7%
 Toga II 1.4 beta5c 4CPU2904+9−935.7%+105.233.9%5355
75.6%
 Toga II 1.4.1SE 4CPU2899+11−1144.9%+37.735.8%3128
100.0%
4Glaurung 1.2.1 32-bit 4CPU2769+15−1543.2%+46.033.8%1495
99.9%
5Scorpio 2.0 32-bit 4CPU2730+19−2029.1%+154.329.4%1005
100.0%
6Nemeton 1.81 4CPU2489+24−2451.1%−7.224.5%600
80.2%
 Nemeton 1.7 4CPU2472+30−3049.1%+6.824.4%377
 

Results matrix

Open source 32-bit 4-CPU engines (best versions only)
#NameElo123456
1Lc0 0.25.1 t40-1541 RTX20803644      
2ChessBrainVB 3.74 4CPU3169      
3Toga II 3.0 4CPU2930      
4Glaurung 1.2.1 32-bit 4CPU2769      
5Scorpio 2.0 32-bit 4CPU2730      
6Nemeton 1.81 4CPU2489      
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 4-CPU engines (best versions only)
#NameElo123456
1Lc0 0.25.1 t40-1541 RTX20803644 100.0100.0100.0100.0100.0
2ChessBrainVB 3.74 4CPU31690.0 100.0100.0100.0100.0
3Toga II 3.0 4CPU29300.00.0 100.0100.0100.0
4Glaurung 1.2.1 32-bit 4CPU27690.00.00.0 99.9100.0
5Scorpio 2.0 32-bit 4CPU27300.00.00.00.1 100.0
6Nemeton 1.81 4CPU24890.00.00.00.00.0 
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):
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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
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on October 17, 2020