CCRL 40/4
Downloads and Statistics
April 13, 2019
Testing summary:
Total: 1'978'909 games
played by 2'316 programs
26642 CPU days (X2 4600+)

White wins: 772'756 (39.0%)
Black wins: 624'315 (31.5%)
Draws: 581'838 (29.4%)
White score: 53.8%

Open source 32-bit multi-CPU engines

Comparing 7 engines!
5 best versions of selected engines played 0 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Computed on April 13, 2019 with Bayeselo based on 1'978'909 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+
1ChessBrainVB 3.70 4CPU3129+23−2357.4%−48.242.4%585 
100.0%
2Toga II 3.0 4CPU2931+17−1725.3%+195.528.5%1459
99.7%
 Toga II 1.4 beta5c 4CPU2904+9−835.7%+104.933.9%5355
75.2%
 Toga II 1.4.1SE 4CPU2899+11−1144.9%+37.535.8%3128
100.0%
3Glaurung 1.2.1 32-bit 4CPU2770+15−1543.2%+45.533.8%1495
99.9%
4Scorpio 2.0 32-bit 4CPU2730+20−2029.1%+154.329.4%1005
100.0%
5Nemeton 1.7 4CPU2472+30−3149.1%+7.024.4%377
 

Results matrix

Open source 32-bit multi-CPU engines (best versions only)
#NameElo12345
1ChessBrainVB 3.70 4CPU3129     
2Toga II 3.0 4CPU2931     
3Glaurung 1.2.1 32-bit 4CPU2770     
4Scorpio 2.0 32-bit 4CPU2730     
5Nemeton 1.7 4CPU2472     
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)
#NameElo12345
1ChessBrainVB 3.70 4CPU3129 100.0100.0100.0100.0
2Toga II 3.0 4CPU29310.0 100.0100.0100.0
3Glaurung 1.2.1 32-bit 4CPU27700.00.0 99.9100.0
4Scorpio 2.0 32-bit 4CPU27300.00.00.1 100.0
5Nemeton 1.7 4CPU24720.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Alter engine selection



Alter output selection

Rating list
Testing profile
  (Step: , Numbers: )

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:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  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 April 13, 2019