CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 5 engines!
5 selected engines played 60 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on July 19, 2019 with Bayeselo based on 1'068'538 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1CT800 1.34 64-bit2300+23−2345.8%+30.125.1%680 
99.3%
 CT800 1.32 64-bit2262+19−1947.1%+21.527.0%963
70.5%
 CT800 1.30 64-bit2255+20−2053.6%−27.622.7%910
99.5%
 CT800 1.12 64-bit2215+22−2253.2%−22.822.1%774
98.8%
 CT800 1.20 64-bit2174+29−2947.2%+17.523.1%432
 

Results matrix

Custom engine selection
#NameElo12345
1CT800 1.34 64-bit2300     
2CT800 1.32 64-bit2262  31.5 − 28.5
+18−15=27
+9
  
3CT800 1.30 64-bit2255 28.5 − 31.5
+15−18=27
−9
   
4CT800 1.12 64-bit2215     
5CT800 1.20 64-bit2174     
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
#NameElo12345
1CT800 1.34 64-bit2300 99.399.8100.0100.0
2CT800 1.32 64-bit22620.7 70.599.9100.0
3CT800 1.30 64-bit22550.229.5 99.5100.0
4CT800 1.12 64-bit22150.00.10.5 98.8
5CT800 1.20 64-bit21740.00.00.01.2 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1CT800 1.34 64-bit2300 354190200162
2CT800 1.32 64-bit2262354 493168139
3CT800 1.30 64-bit2255190493 239322
4CT800 1.12 64-bit2215200168239 146
5CT800 1.20 64-bit2174162139322146 
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
#NameElo12345
1CT800 1.34 64-bit2300 21.511.913.814.6
2CT800 1.32 64-bit226221.5 26.39.710.0
3CT800 1.30 64-bit225511.926.3 14.224.0
4CT800 1.12 64-bit221513.89.714.2 12.1
5CT800 1.20 64-bit217414.610.024.012.1 
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 65 common opponents

Custom engine selection
NameEloCT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Nemeton 1.8245825%
1/4
24%
8/34
   
Nemeton 1.72418 23%
7.5/32
19%
6/32
  
Myrddin 0.87 64-bit239438%
1.5/4
  25%
8/32
 
Ares GB 64-bit238481%
6.5/8
26%
8/31
   
Galjoen 0.39 64-bit238425%
1/4
39%
13/33
   
Zevra 2.1.1 r216 64-bit238331%
2.5/8
 33%
2/6
  
Waxman 2017236912%
0.5/4
38%
12/32
   
Isa 2.0.64 64-bit235944%
3.5/8
25%
8/32
46%
6.5/14
38%
1.5/4
17%
1/6
Plisk 0.2.7d 64-bit235835%
3.5/10
  12%
0.5/4
 
Napoleon 1.8 64-bit233846%
6.5/14
38%
12/32
   
Aice 0.99.2233745%
4.5/10
   17%
1/6
FireFly 2.7.2 64-bit232956%
10/18
36%
11.5/32
50%
7/14
25%
1/4
17%
1/6
Amundsen 0.802327  21%
3/14
 42%
2.5/6
Googleplex Starthinker 1.4 64-bit232056%
4.5/8
44%
14/32
   
EveAnn 1.72231950%
2/4
53%
19/36
43%
6/14
28%
10/36
 
KnightX 1.93 64-bit231940%
14.5/36
  40%
4/10
 
KnightX 1.922316  29%
4/14
 42%
2.5/6
Asymptote 0.2.0 64-bit2313 17%
0.5/3
31%
2.5/8
  
Averno 0.812312  57%
8/14
 17%
1/6
RubiChess 0.7 64-bit230350%
5/10
  46%
6.5/14
 
NameEloCT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Ant 2006-F230235%
3.5/10
   8%
0.5/6
Fischerle 0.9.80 SE 64-bit2298  54%
7.5/14
50%
1.5/3
 
Absolute Zero 2.4.7.2 64-bit229450%
2/4
  36%
11.5/32
 
Chaturanga 2.4.3229055%
5.5/10
   42%
2.5/6
Invictus r228 64-bit228948%
9.5/20
46%
21/46
50%
3/6
  
Galjoen 0.38 64-bit2282   38%
1.5/4
25%
0.5/2
Kingfisher 1.0 64-bit2279 53%
8.5/16
25%
2.5/10
  
Chispa 4.0.3227262%
2.5/4
   33%
2/6
Zevra 1.8.6 r672 64-bit2269 49%
18.5/38
 50%
4/8
 
Protej 0.5.8c2251  64%
9/14
 50%
3/6
RattateChess 1.0 Nosferatu225138%
1.5/4
61%
19.5/32
  25%
1.5/6
Exacto 0.e 64-bit225088%
3.5/4
   50%
3/6
Mango Paola Ajedrez 4.12248 50%
6/12
  0%
0/6
Weini 0.0.23 64-bit224050%
2/4
 53%
23.5/44
  
Atak 6.7223650%
2/4
50%
6/12
   
Zevra 1.8.4 r650 64-bit2235  41%
6.5/16
69%
5.5/8
42%
2.5/6
Dolphin 1.0 64-bit222938%
1.5/4
61%
19.5/32
   
RamJet 0.13222850%
2/4
42%
5/12
   
Tiny Chess 1.46 64-bit222450%
2/4
46%
6/13
50%
1/2
25%
0.5/2
25%
2/8
Joker2 0.7.7 64-bit222075%
4.5/6
62%
2.5/4
59%
9.5/16
 58%
3.5/6
NameEloCT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Robocide 20170718 64-bit222088%
3.5/4
  54%
18.5/34
19%
1.5/8
Beowulf 2.4a 32-bit2217 71%
8.5/12
 58%
18.5/32
 
OBender 03.2016 64-bit2213   0%
0/2
19%
1.5/8
Adam 3.32210  46%
6.5/14
 58%
3.5/6
Baislicka 1.0 64-bit2207100%
4/4
 43%
6/14
25%
0.5/2
 
Latista (Sinobyl) 1.52202 67%
8/12
68%
9.5/14
 33%
2/6
Dorpsgek Eve's Temptation 64-bit220058%
3.5/6
 58%
10.5/18
46%
23/50
 
GopherCheck 0.2.3 64-bit2190 67%
21.5/32
44%
8/18
0%
0/2
33%
2/6
NG-Play 9.87 64-bit218762%
2.5/4
 50%
1/2
63%
21.5/34
50%
1/2
Asymptote 0.1.8 64-bit2176 71%
8.5/12
68%
27/40
  
Soldat III 0.187 64-bit217675%
1.5/2
 62%
2.5/4
50%
1/2
 
RamJet 0.14216875%
1.5/2
 75%
3/4
59%
19.5/33
25%
0.5/2
Clever Girl r185 64-bit216250%
2/4
 62%
2.5/4
50%
3/6
0%
0/2
Blitzkrieg rev337 64-bit2142  75%
1.5/2
75%
1.5/2
68%
9.5/14
Parrot 07.07.222135  71%
10/14
 75%
9/12
Barbarossa 0.4.0 64-bit2133  62%
2.5/4
51%
18.5/36
100%
2/2
Tunguska 1.0 64-bit2128  50%
2/4
67%
4/6
75%
1.5/2
Embla 2.0.5 64-bit212075%
3/4
65%
22/34
   
Embla 1.0.2 64-bit2110  56%
9/16
 62%
5/8
Prophet3 20170909 64-bit2099  100%
4/4
67%
4/6
25%
0.5/2
NameEloCT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Hedgehog 1.81 64-bit2095  75%
10.5/14
 60%
6/10
Cinnamon 2.0 64-bit2035   62%
2.5/4
100%
2/2
Abbess 2018.02.072032  75%
1.5/2
 50%
1/2
Wuttang r2 64-bit2024   50%
2/4
100%
2/2
Abbess 2016.12.112018   25%
1/4
58%
3.5/6
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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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
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Reference rating list:
Recalibrate:
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  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 July 19, 2019