CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 2 engines!
2 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 October 19, 2019 with Bayeselo based on 2'120'567 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+
1Ruffian 2.1.02608+9−947.6%+17.330.6%5311 
100.0%
 Ruffian 1.0.52585+9−947.3%+20.130.1%5450
 

Results matrix

Custom engine selection
#NameElo12
1Ruffian 2.1.02608  
2Ruffian 1.0.52585  
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
#NameElo12
1Ruffian 2.1.02608 100.0
2Ruffian 1.0.525850.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12
1Ruffian 2.1.02608 2102
2Ruffian 1.0.525852102 
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
#NameElo12
1Ruffian 2.1.02608 19.5
2Ruffian 1.0.5258519.5 
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 42 common opponents

Custom engine selection
NameEloRuffian
2.1.0
Ruffian
1.0.5
Jonny 4.00276250%
0.5/1
16%
4.5/29
Bison 9.11 64-bit276175%
1.5/2
35%
10.5/30
Spike 1.2 Turin273136%
11.5/32
29%
9.5/33
Gaviota 0.85.1 64-bit272727%
8.5/32
28%
9/32
Chess Tiger 2007.1271336%
12/33
30%
9.5/32
ProDeo 1.81269916%
2.5/16
42%
8.5/20
Frenzee Feb08 64-bit269424%
7.5/31
28%
9/32
Gaviota 0.84 64-bit268642%
13.5/32
34%
11/32
Delfi 5.4268247%
25/53
37%
23.5/64
Scorpio 2.5 64-bit268248%
19/40
47%
14/30
Booot 4.15.0266539%
12/31
45%
13.5/30
SmarThink 1.00 32-bit266442%
13.5/32
38%
12/32
Alaric 707266345%
15/33
34%
11/32
Colossus 2008b264155%
17.5/32
49%
37/76
Cyrano 0.6b17 64-bit26410%
0/1
36%
22.5/63
E.T. Chess 13.01.08263446%
15.5/34
44%
18.5/42
ProDeo 1.7262948%
14.5/30
68%
20.5/30
Alfil 8.1.1 Optimized262547%
15/32
53%
17/32
WildCat 8262335%
12/34
42%
27.5/66
Movei 00.8.438 (10 10 10)262248%
15.5/32
36%
11.5/32
NameEloRuffian
2.1.0
Ruffian
1.0.5
Slow Chess Blitz WV2.1261456%
18.5/33
47%
15/32
Deuterium 10.01.27.213260950%
16/32
57%
17/30
Amyan 1.72260350%
0.5/1
50%
20/40
Pharaon 3.5.126030%
0/1
60%
25/42
Lemming 0.34 64-bit259859%
19/32
41%
13/32
N2 0.4 64-bit2590100%
1/1
43%
12.5/29
Francesca MAD 0.19258075%
1.5/2
41%
13/32
Pseudo 0.7c257550%
0.5/1
55%
17/31
Rotor 0.6257356%
18/32
53%
17/32
SOS 5.1257383%
2.5/3
50%
16.5/33
Brutus 8.05 64-bit255650%
0.5/1
50%
14.5/29
Petir 4.999999255555%
18/33
66%
21/32
The Baron 2.23 64-bit255564%
20.5/32
60%
20.5/34
Ufim 8.02254059%
19/32
60%
43/72
AnMon 5.75253858%
19/33
45%
4.5/10
AnMon 5.60251770%
22.5/32
59%
19/32
Green Light Chess 3.01.2.2250450%
0.5/1
63%
19/30
Little Goliath Evolution 3.12250465%
21.5/33
67%
42/63
Yace 0.99.872503100%
1/1
60%
26/43
Trace 1.37a250070%
22.5/32
77%
24.5/32
NameEloRuffian
2.1.0
Ruffian
1.0.5
Nejmet 3.07242578%
25/32
65%
19.5/30
Dragon 4.6241781%
26/32
63%
19/30
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 October 19, 2019