CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
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 16, 2019 with Bayeselo based on 2'132'153 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+
1Twisted Logic 20090922 64-bit2770+7−849.7%+3.229.8%7819 
73.9%
 Twisted Logic 20100131x 64-bit2766+10−1045.3%+33.428.3%3969
100.0%
 Twisted Logic 20080404x2467+16−1651.8%−13.422.2%1547
 

Results matrix

Custom engine selection
#NameElo123
1Twisted Logic 20090922 64-bit2770   
2Twisted Logic 20100131x 64-bit2766   
3Twisted Logic 20080404x2467   
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
1Twisted Logic 20090922 64-bit2770 73.9100.0
2Twisted Logic 20100131x 64-bit276626.1 100.0
3Twisted Logic 20080404x24670.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Twisted Logic 20090922 64-bit2770 45400
2Twisted Logic 20100131x 64-bit27664540 3
3Twisted Logic 20080404x246703 
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
1Twisted Logic 20090922 64-bit2770 38.50.0
2Twisted Logic 20100131x 64-bit276638.5 0.1
3Twisted Logic 20080404x24670.00.1 
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 73 common opponents

Custom engine selection
NameEloTwisted
Logic
20090922
64-bit
Twisted
Logic
20100131x
64-bit
Twisted
Logic
20080404x
Stockfish 1.7.1 64-bit304517%
5.5/32
12%
8/64
 
Stockfish 1.6.3 64-bit298517%
8.5/50
21%
12/57
 
Stockfish 1.6s JA 64-bit298019%
9.5/50
21%
12/57
 
Rybka 2.3.2a 64-bit297725%
7.5/30
17%
5.5/32
 
Komodo 1.2 64-bit296617%
5/30
9%
3/32
 
Naum 4.1 64-bit295520%
6.5/32
22%
12.5/58
 
Komodo 1.0 64-bit293223%
7.5/32
32%
18/57
 
Spark 1.0 64-bit292727%
8.5/32
0%
0/1
 
Spike 1.4 Leiden292123%
7/30
12%
0.5/4
 
Spark 0.5 64-bit292029%
14.5/50
27%
13.5/50
 
Fritz 12290835%
17.5/50
32%
16/50
 
Thinker 5.4d Inert 64-bit288631%
12/39
33%
18.5/56
 
Thinker 5.4c Inert 64-bit288335%
17.5/50
35%
30.5/88
 
Spark 0.4 64-bit288236%
28.5/80
33%
20.5/62
 
Atlas 3.80 64-bit287532%
10/31
50%
1/2
 
Gaviota 1.0 64-bit287331%
10/32
100%
2/2
 
Critter 0.60 64-bit286635%
16.5/47
32%
9.5/30
 
Hannibal 1.0a 64-bit286247%
14/30
33%
10/30
 
Protector 1.3.5 64-bit285633%
10/30
26%
7.5/29
 
Protector 1.3.4 64-bit285242%
13.5/32
52%
16.5/32
 
NameEloTwisted
Logic
20090922
64-bit
Twisted
Logic
20100131x
64-bit
Twisted
Logic
20080404x
Spark 0.3 64-bit284441%
33/81
36%
41/114
 
Zappa Mexico II 64-bit284429%
14.5/50
36%
21/58
 
Onno 1.1.1 64-bit283742%
21/50
34%
19.5/57
 
Tornado 8.0 64-bit282741%
13/32
25%
0.5/2
 
Toga II 1.4.1SE282348%
14.5/30
58%
18.5/32
 
Rhetoric 1.4.3 64-bit280542%
13.5/32
50%
1/2
 
Godel 4.0.7 64-bit280434%
11/32
0%
0/2
 
RuyDos 1.1.6 64-bit279844%
13.5/31
46%
18.5/40
 
Ktulu 9278146%
23/50
39%
22.5/58
 
Bright 0.4a277947%
23.5/50
47%
14/30
 
Loop 13.6 (Loop 2007) 32-bit277545%
13.5/30
53%
16/30
 
Bright 0.5c277147%
15/32
49%
44.5/91
 
MinkoChess 0.9 64-bit277137%
11/30
60%
18/30
 
Jonny 4.00276355%
16.5/30
0%
0/1
 
BugChess2 1.9 64-bit275859%
19/32
50%
0.5/1
 
Crafty 23.3 64-bit275757%
17/30
62%
18.5/30
 
Scorpio 2.6 64-bit275650%
15/30
55%
16.5/30
 
Amoeba 2.1 64-bit274853%
17/32
0%
0/1
 
SmarThink 1.20 64-bit274748%
23.5/49
52%
29.5/57
 
Chronos 1.9.9 64-bit273952%
16.5/32
75%
1.5/2
 
NameEloTwisted
Logic
20090922
64-bit
Twisted
Logic
20100131x
64-bit
Twisted
Logic
20080404x
Shield 2.1 64-bit273945%
14.5/32
67%
2/3
 
Spike 1.2 Turin273159%
19/32
61%
78.5/129
 
Crafty 23.2 64-bit272147%
14/30
61%
19.5/32
 
GreKo 2018.08 64-bit271164%
20.5/32
0%
0/1
 
Devel 2.0000271055%
17.5/32
59%
19/32
 
Marvin 3.0.0 64-bit270658%
18/31
50%
0.5/1
 
Naum 2.0 32-bit270077%
23/30
57%
17/30
 
Frenzee Feb08 64-bit269478%
25/32
44%
13.5/31
 
Naum 2.0 64-bit269352%
15.5/30
59%
19/32
 
Cheese 1.8 64-bit268955%
17.5/32
0%
0/1
 
Delfi 5.4268262%
18.5/30
47%
15.5/33
 
Scorpio 2.5 64-bit268260%
18/30
65%
47/72
 
Daydreamer 1.75 64-bit267258%
17.5/30
69%
43/62
 
BugChess2 1.6.4 64-bit267069%
22/32
47%
15/32
 
Booot 4.15.1266868%
20.5/30
77%
48/62
 
Booot 4.15.0266559%
19/32
83%
25/30
 
Alaric 707266371%
22/31
67%
50.5/75
 
Colossus 2008b264267%
21.5/32
59%
19.5/33
 
Chronos 1.9.7263975%
24/32
66%
21/32
 
E.T. Chess 13.01.08263466%
21/32
62%
20.5/33
 
NameEloTwisted
Logic
20090922
64-bit
Twisted
Logic
20100131x
64-bit
Twisted
Logic
20080404x
Alfil 8.1.1 Optimized262571%
22/31
62%
20/32
 
WildCat 8262372%
23/32
57%
17/30
 
Sloppy 0.2.2 64-bit261781%
26/32
66%
21/32
 
Slow Chess Blitz WV2.1261572%
23/32
72%
23/32
 
ProDeo 1.2260862%
18.5/30
77%
23/30
 
Amyan 1.72260478%
23.5/30
100%
1/1
 
Pharaon 3.5.1260378%
23.5/30
77%
24.5/32
 
Hamsters 0.7.1257885%
25.5/30
78%
25/32
 
Pseudo 0.7c257668%
20.5/30
81%
26/32
 
SOS 5.1257370%
21/30
83%
26.5/32
 
Aristarch 4.50256678%
23.5/30
72%
23/32
 
Deuterium 09.01.26.492256183%
25/30
75%
24/32
 
Ufim 8.022540 100%
1/1
31%
10/32
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%

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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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Match length (Minimum number of games to highlight with color):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on November 16, 2019