CCRL 40/40
Downloads and Statistics
May 18, 2019
Testing summary:
Total: 1'044'560 games
played by 2'452 programs
143157 CPU days (X2 4600+)

White wins: 363'036 (34.8%)
Black wins: 270'297 (25.9%)
Draws: 411'227 (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 May 18, 2019 with Bayeselo based on 1'044'560 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-bit2304+26−2746.1%+27.125.3%502 
99.3%
 CT800 1.32 64-bit2263+19−1947.1%+21.527.0%963
70.2%
 CT800 1.30 64-bit2256+20−2053.6%−27.422.7%910
99.5%
 CT800 1.12 64-bit2217+22−2253.2%−23.822.1%774
98.7%
 CT800 1.20 64-bit2175+29−2947.2%+17.923.1%432
 

Results matrix

Custom engine selection
#NameElo12345
1CT800 1.34 64-bit2304     
2CT800 1.32 64-bit2263  31.5 − 28.5
+18−15=27
+9
  
3CT800 1.30 64-bit2256 28.5 − 31.5
+15−18=27
−9
   
4CT800 1.12 64-bit2217     
5CT800 1.20 64-bit2175     
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-bit2304 99.399.8100.0100.0
2CT800 1.32 64-bit22630.7 70.299.9100.0
3CT800 1.30 64-bit22560.229.7 99.5100.0
4CT800 1.12 64-bit22170.00.10.5 98.7
5CT800 1.20 64-bit21750.00.00.01.3 
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-bit2304 346166184156
2CT800 1.32 64-bit2263346 493168139
3CT800 1.30 64-bit2256166493 239322
4CT800 1.12 64-bit2217184168239 146
5CT800 1.20 64-bit2175156139322146 
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-bit2304 23.611.814.416.7
2CT800 1.32 64-bit226323.6 26.39.710.0
3CT800 1.30 64-bit225611.826.3 14.224.0
4CT800 1.12 64-bit221714.49.714.2 12.1
5CT800 1.20 64-bit217516.710.024.012.1 
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 1.8245925%
1/4
24%
8/34
   
Nemeton 1.72418 23%
7.5/32
19%
6/32
  
Myrddin 0.87 64-bit239338%
1.5/4
  25%
8/32
 
Ares GB 64-bit238681%
6.5/8
26%
8/31
   
Galjoen 0.39 64-bit238625%
1/4
39%
13/33
   
Zevra 2.1.1 r216 64-bit238031%
2.5/8
 33%
2/6
  
Waxman 2017236912%
0.5/4
38%
12/32
   
Isa 2.0.64 64-bit236044%
3.5/8
25%
8/32
46%
6.5/14
38%
1.5/4
17%
1/6
Plisk 0.2.7d 64-bit235935%
3.5/10
  12%
0.5/4
 
Napoleon 1.8 64-bit234146%
6.5/14
38%
12/32
   
Aice 0.99.2233845%
4.5/10
   17%
1/6
Amundsen 0.802328  21%
3/14
 42%
2.5/6
FireFly 2.7.2 64-bit232856%
10/18
36%
11.5/32
50%
7/14
25%
1/4
17%
1/6
Googleplex Starthinker 1.4 64-bit232256%
4.5/8
44%
14/32
   
KnightX 1.93 64-bit232040%
14.5/36
  40%
4/10
 
EveAnn 1.72231950%
2/4
53%
19/36
43%
6/14
28%
10/36
 
KnightX 1.922317  29%
4/14
 42%
2.5/6
Asymptote 0.2.0 64-bit2314 17%
0.5/3
31%
2.5/8
  
Averno 0.812313  57%
8/14
 17%
1/6
Ant 2006-F230635%
3.5/10
   8%
0.5/6
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
RubiChess 0.7 64-bit230450%
5/10
  46%
6.5/14
 
Fischerle 0.9.80 SE 64-bit2299  54%
7.5/14
50%
1.5/3
 
Absolute Zero 2.4.7.2 64-bit229350%
2/4
  36%
11.5/32
 
Invictus r228 64-bit229047%
8.5/18
46%
21/46
50%
3/6
  
Chaturanga 2.4.3228755%
5.5/10
   42%
2.5/6
Galjoen 0.38 64-bit2283   38%
1.5/4
25%
0.5/2
Kingfisher 1.0 64-bit2280 53%
8.5/16
25%
2.5/10
  
Chispa 4.0.3227462%
2.5/4
   33%
2/6
Zevra 1.8.6 r672 64-bit2269 49%
18.5/38
 50%
4/8
 
Exacto 0.e 64-bit225488%
3.5/4
   50%
3/6
Protej 0.5.8c2252  64%
9/14
 50%
3/6
RattateChess 1.0 Nosferatu225138%
1.5/4
61%
19.5/32
  25%
1.5/6
Mango Paola Ajedrez 4.12249 50%
6/12
  0%
0/6
Weini 0.0.23 64-bit224150%
2/4
 53%
23.5/44
  
Atak 6.7223750%
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-bit223038%
1.5/4
61%
19.5/32
   
RamJet 0.13222950%
2/4
42%
5/12
   
Tiny Chess 1.46 64-bit222550%
2/4
46%
6/13
50%
1/2
25%
0.5/2
25%
2/8
Robocide 20170718 64-bit222188%
3.5/4
  54%
18.5/34
19%
1.5/8
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
Joker2 0.7.7 64-bit222075%
3/4
62%
2.5/4
59%
9.5/16
 58%
3.5/6
Beowulf 2.4a 32-bit2218 71%
8.5/12
 58%
18.5/32
 
OBender 03.2016 64-bit2215   0%
0/2
19%
1.5/8
Adam 3.32211  46%
6.5/14
 58%
3.5/6
Baislicka 1.0 64-bit2208100%
4/4
 43%
6/14
25%
0.5/2
 
Latista (Sinobyl) 1.52204 67%
8/12
68%
9.5/14
 33%
2/6
Dorpsgek Eve's Temptation 64-bit220062%
2.5/4
 58%
10.5/18
46%
23/50
 
GopherCheck 0.2.3 64-bit2191 67%
21.5/32
44%
8/18
0%
0/2
33%
2/6
NG-Play 9.87 64-bit218862%
2.5/4
 50%
1/2
63%
21.5/34
50%
1/2
Asymptote 0.1.8 64-bit2179 71%
8.5/12
68%
27/40
  
Soldat III 0.187 64-bit2177  62%
2.5/4
50%
1/2
 
RamJet 0.142171  75%
3/4
59%
19.5/33
25%
0.5/2
Clever Girl r185 64-bit216350%
2/4
 62%
2.5/4
50%
3/6
0%
0/2
Blitzkrieg rev337 64-bit2144  75%
1.5/2
75%
1.5/2
68%
9.5/14
Parrot 07.07.222136  71%
10/14
 75%
9/12
Barbarossa 0.4.0 64-bit2134  62%
2.5/4
51%
18.5/36
100%
2/2
Tunguska 1.0 64-bit2134  50%
2/4
67%
4/6
75%
1.5/2
Embla 2.0.5 64-bit212175%
3/4
65%
22/34
   
Embla 1.0.2 64-bit2111  56%
9/16
 62%
5/8
Hedgehog 1.81 64-bit2101  75%
10.5/14
 60%
6/10
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
Prophet3 20170909 64-bit2101  100%
4/4
67%
4/6
25%
0.5/2
Cinnamon 2.0 64-bit2037   62%
2.5/4
100%
2/2
Abbess 2018.02.072033  75%
1.5/2
 50%
1/2
Wuttang r2 64-bit2025   50%
2/4
100%
2/2
Abbess 2016.12.112019   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%

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 May 18, 2019