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%

Free 32-bit multi-CPU engines

Comparing 20 engines!
10 best versions of selected engines played 137 games with each other

CCRL Blitz Rating List — Free 32-bit multi-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
91.1%
 Allie 0.5 nn42850 RTX20803572+33−3253.6%−24.365.2%253
73.7%
2Allie 0.5 nn49921 RTX20803561+12−1246.2%+13.968.1%1848
100.0%
3ChessBrainVB 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%
4Spike 1.4 Leiden 4CPU3039+9−941.2%+61.538.2%5347
100.0%
5Toga II 3.0 4CPU2930+17−1725.3%+196.428.5%1459
97.3%
6Bright 0.4a 4CPU2910+11−1142.4%+50.933.9%3023
72.0%
 Bright 0.5c 4CPU2905+14−1437.4%+86.835.8%1858
55.7%
 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%
 Bright 0.3a 4CPU2853+14−1443.7%+40.934.6%1756
100.0%
 Bright 0.2c 4CPU2812+17−1735.5%+101.930.1%1244
100.0%
7Glaurung 1.2.1 32-bit 4CPU2769+15−1543.2%+46.033.8%1495
99.9%
8Scorpio 2.0 32-bit 4CPU2730+19−2029.1%+154.329.4%1005
100.0%
9Pharaon 3.5.1 4CPU2673+23−2441.7%+58.428.9%634
100.0%
10Nemeton 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

Free 32-bit multi-CPU engines (best versions only)
#NameElo12345678910
1Lc0 0.25.1 t40-1541 RTX20803644 32.5 − 15.5
+19−2=27
+18
        
2Allie 0.5 nn49921 RTX2080356115.5 − 32.5
+2−19=27
−18
         
3ChessBrainVB 3.74 4CPU3169          
4Spike 1.4 Leiden 4CPU3039    32 − 18
+23−9=18
−17
     
5Toga II 3.0 4CPU2930   18 − 32
+9−23=18
+17
      
6Bright 0.4a 4CPU2910          
7Glaurung 1.2.1 32-bit 4CPU2769          
8Scorpio 2.0 32-bit 4CPU2730        22 − 17
+15−10=14
−13
 
9Pharaon 3.5.1 4CPU2673       17 − 22
+10−15=14
+13
  
10Nemeton 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

Free 32-bit multi-CPU engines (best versions only)
#NameElo12345678910
1Lc0 0.25.1 t40-1541 RTX20803644 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Allie 0.5 nn49921 RTX208035610.0 100.0100.0100.0100.0100.0100.0100.0100.0
3ChessBrainVB 3.74 4CPU31690.00.0 100.0100.0100.0100.0100.0100.0100.0
4Spike 1.4 Leiden 4CPU30390.00.00.0 100.0100.0100.0100.0100.0100.0
5Toga II 3.0 4CPU29300.00.00.00.0 97.3100.0100.0100.0100.0
6Bright 0.4a 4CPU29100.00.00.00.02.7 100.0100.0100.0100.0
7Glaurung 1.2.1 32-bit 4CPU27690.00.00.00.00.00.0 99.9100.0100.0
8Scorpio 2.0 32-bit 4CPU27300.00.00.00.00.00.00.1 100.0100.0
9Pharaon 3.5.1 4CPU26730.00.00.00.00.00.00.00.0 100.0
10Nemeton 1.81 4CPU24890.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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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
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