CCRL 40/4
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 2'140'277 games
played by 2'505 programs
29019 CPU days (X2 4600+)

White wins: 829'307 (38.7%)
Black wins: 669'765 (31.3%)
Draws: 641'205 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 3 engines!
3 selected engines played 0 games with each other

CCRL 40/4 Rating List — Custom engine selection (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 CPU.
Computed on November 30, 2019 with Bayeselo based on 2'140'277 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+
1Cmcchess 2.6 64-bit2377+11−1249.8%+0.527.8%2807 
100.0%
 Cmcchess 2.51659+16−1658.8%−70.226.8%1542
100.0%
 Cmcchess 2.271138+22−2142.0%+44.927.7%838
 

Results matrix

Custom engine selection
#NameElo123
1Cmcchess 2.6 64-bit2377   
2Cmcchess 2.51659   
3Cmcchess 2.271138   
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

Custom engine selection
#NameElo123
1Cmcchess 2.6 64-bit2377 100.0100.0
2Cmcchess 2.516590.0 100.0
3Cmcchess 2.2711380.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Cmcchess 2.6 64-bit2377 33
2Cmcchess 2.516593 472
3Cmcchess 2.2711383472 
Number of connecting games color legend:
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000

Percentage of connecting games matrix

Custom engine selection
#NameElo123
1Cmcchess 2.6 64-bit2377 0.10.1
2Cmcchess 2.516590.1 19.8
3Cmcchess 2.2711380.119.8 
Percentage of connecting games color legend:
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Score with 19 common opponents

Custom engine selection
NameEloCmcchess
2.6
64-bit
Cmcchess
2.5
Cmcchess
2.27
Ziggy 0.71745 44%
11.5/26
0%
0/1
MiniMardi 1.31410 81%
26/32
8%
2.5/31
Tony's Chess 0.021410 84%
27/32
39%
12/31
Eden 0.0.131406 80%
25.5/32
19%
6/31
Goyaz 0.0071405 92%
5.5/6
15%
4.5/31
Nanook 0.171388 83%
5/6
42%
14/33
Numpty Omega1380 77%
24.5/32
16%
5/32
MiniChessAI 1.191364 100%
6/6
23%
7/30
Virutor Chess 1.11363 83%
5/6
50%
0.5/1
Joanna 2002 1.031344 90%
4.5/5
28%
9/32
Ozwald 0.431331100%
1/1
75%
4.5/6
21%
5/24
KillerQueen 2.0b31290 83%
5/6
39%
12.5/32
TRex 1.91287 100%
7/7
16%
5/32
Tikov 0.6.31244 86%
6/7
48%
13.5/28
Raffaela 0.1.41232 60%
3/5
26%
8/31
Gringo 1.4.9b1230 67%
2/3
38%
11.5/30
Toledo Nanochess Jan/11/20101225 100%
6/6
32%
10/31
DarkFusch 0.91184 100%
6/6
0%
0/1
Safrad 2.1.35.2101024 100%
7/7
60%
27/45
Score color legend:
(Only pairs with at least 30 games)
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

Alter engine selection



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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

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on November 30, 2019