CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 8 engines!
8 selected engines played 0 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 June 15, 2019 with Bayeselo based on 1'059'406 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+
1AliChess 4.252284+20−2048.0%+12.824.7%918 
82.1%
 AliChess 4.202265+34−3547.2%+21.422.8%302
63.2%
 AliChess 4.212258+24−2446.9%+20.528.1%615
75.2%
 AliChess 4.192244+31−3145.9%+28.929.1%351
53.7%
 AliChess 4.182242+32−3347.9%+17.026.6%327
65.8%
 AliChess 4.062233+28−2945.4%+28.928.7%428
78.1%
 AliChess 4.162215+35−3548.8%+12.525.4%291
80.0%
 AliChess 4.082195+32−3246.3%+28.126.4%348
 

Results matrix

Custom engine selection
#NameElo12345678
1AliChess 4.252284        
2AliChess 4.202265        
3AliChess 4.212258        
4AliChess 4.192244        
5AliChess 4.182242        
6AliChess 4.062233        
7AliChess 4.162215        
8AliChess 4.082195        
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
#NameElo12345678
1AliChess 4.252284 82.194.998.298.499.8100.0100.0
2AliChess 4.20226517.9 63.281.082.991.897.799.8
3AliChess 4.2122585.136.8 75.277.890.397.699.9
4AliChess 4.1922441.819.024.8 53.769.688.798.5
5AliChess 4.1822421.617.122.246.3 65.886.697.9
6AliChess 4.0622330.28.29.730.434.2 78.195.9
7AliChess 4.1622150.02.32.411.313.421.9 80.0
8AliChess 4.0821950.00.20.11.52.14.120.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1AliChess 4.252284 704423038721236
2AliChess 4.20226570 253169143262554
3AliChess 4.212258442253 161139343242
4AliChess 4.19224430169161 3273663151
5AliChess 4.18224238143139327 123186196
6AliChess 4.06223372263436123 93242
7AliChess 4.1622151225326318693 192
8AliChess 4.082195365442151196242192 
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
#NameElo12345678
1AliChess 4.252284 5.728.82.43.15.31.02.8
2AliChess 4.2022655.7 27.625.922.73.64.28.3
3AliChess 4.21225828.827.6 16.714.83.33.54.4
4AliChess 4.1922442.425.916.7 48.24.69.821.6
5AliChess 4.1822423.122.714.848.2 16.330.129.0
6AliChess 4.0622335.33.63.34.616.3 12.931.2
7AliChess 4.1622151.04.23.59.830.112.9 30.0
8AliChess 4.0821952.88.34.421.629.031.230.0 
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 118 common opponents

Custom engine selection
NameEloAliChess
4.25
AliChess
4.20
AliChess
4.21
AliChess
4.19
AliChess
4.18
AliChess
4.06
AliChess
4.16
AliChess
4.08
Diablo 0.5.12410     25%
0.5/2
 0%
0/2
Homer 2.02406     0%
0/1
 25%
0.5/2
Delphil 1.82399 0%
0/2
    25%
0.5/2
 
Sorgenkind 0.42388 38%
1.5/4
56%
4.5/8
25%
1/4
    
Sage 3.532387 50%
2/4
12%
0.5/4
     
Hamsters 0.22382     0%
0/2
 12%
0.5/4
Ares 1.004237317%
2/12
 53%
8.5/16
     
DanaSah 2.442372     50%
0.5/1
 44%
3.5/8
Pupsi 0.192366      62%
2.5/4
100%
1/1
Alfil 6.102358 50%
1/2
   8%
0.5/6
  
OliThink 5.3.0 32-bit235853%
8.5/16
62%
2.5/4
25%
1/4
     
BugChess2 1.4.12357     25%
0.5/2
 12%
0.5/4
Flux 2.2.12354      25%
0.5/2
100%
2/2
Glass 1.32353 0%
0/2
 56%
4.5/8
    
Plisk 0.2.7d 32-bit235034%
5.5/16
 25%
1/4
     
Tytan 9.32 32-bit2346 46%
6.5/14
38%
1.5/4
     
Glass 1.52345 32%
9/28
50%
1/2
     
Arion 1.72342    0%
0/2
33%
2/6
 50%
1/2
Ghost 2.0.1234248%
11.5/24
 28%
5.5/20
     
LittleThought 1.03 32-bit2339   25%
1/4
33%
10.5/32
 0%
0/2
 
NameEloAliChess
4.25
AliChess
4.20
AliChess
4.21
AliChess
4.19
AliChess
4.18
AliChess
4.06
AliChess
4.16
AliChess
4.08
Aice 0.99.2233725%
0.5/2
   75%
1.5/2
50%
1/2
 100%
2/2
Daydreamer 1.52335 50%
1/2
 57%
8/14
    
Horizon 4.32331     75%
3/4
 38%
1.5/4
Alex 2.12a233050%
5/10
 25%
1/4
     
Asterisk 0.62330    33%
2/6
0%
0/2
 50%
1/2
Amundsen 0.802328 12%
0.5/4
12%
1/8
75%
3/4
100%
1/1
   
LittleThought 1.00 32-bit2325     0%
0/2
 62%
2.5/4
Simplex 0.9.7 32-bit232346%
5.5/12
 6%
0.5/8
     
Chezzz 1.0.32321   36%
11.5/32
44%
3.5/8
   
KnightX 1.92231650%
1/2
   25%
0.5/2
17%
1/6
 50%
2/4
Averno 0.81231250%
1/2
   75%
1.5/2
25%
1.5/6
 50%
1/2
Sage 2.2a2311     0%
0/2
75%
1.5/2
33%
2/6
Cheese 1.3230850%
1/2
56%
4.5/8
50%
8/16
12%
0.5/4
0%
0/2
   
Waxman 2010230841%
6.5/16
 33%
12/36
     
Ares 1.003a2304 46%
5.5/12
68%
7.5/11
     
Ant 2006-F2303    50%
2/4
81%
6.5/8
  
Natwarlal 0.14230225%
0.5/2
  47%
14.5/31
62%
7.5/12
25%
0.5/2
 25%
1/4
nanoSzachy 3.02302      75%
1.5/2
25%
2/8
Joker 1.1.142301   50%
2/4
44%
4/9
 75%
1.5/2
6%
0.5/8
Xpdnt 0809272300   25%
1/4
20%
4.5/23
   
NameEloAliChess
4.25
AliChess
4.20
AliChess
4.21
AliChess
4.19
AliChess
4.18
AliChess
4.06
AliChess
4.16
AliChess
4.08
Anechka 0.082299100%
2/2
100%
2/2
38%
1.5/4
36%
11.5/32
25%
1/4
  50%
1/2
Sungorus 1.4 64-bit229962%
2.5/4
38%
9/24
      
Zeus 1.292298 0%
0/2
 50%
2/4
42%
5.5/13
50%
1/2
 62%
2.5/4
Popochin 3.2229650%
1/2
56%
4.5/8
62%
2.5/4
29%
3.5/12
30%
1.5/5
 25%
0.5/2
 
Popochin 3.02292     100%
2/2
 0%
0/4
Rotor 0.22288      100%
2/2
25%
0.5/2
Butcher 1.60n1228475%
3/4
57%
8/14
57%
16/28
     
Zeus 1.282283     0%
0/2
 38%
1.5/4
Glass 1.22282 25%
0.5/2
  60%
3/5
37%
11.5/31
  
Bison 8.2.4r2281    33%
4/12
 75%
1.5/2
 
GreKo 5.2.52276     0%
0/2
 50%
2/4
Chispa 4.0.32272  50%
2/4
 12%
0.5/4
50%
6/12
25%
0.5/2
25%
1/4
Matilde 2008 32-bit2272 12%
0.5/4
    0%
0/2
 
Tornado 1.02270     75%
3/4
 34%
7.5/22
Ayito 0.2.994226450%
1/2
 50%
2/4
44%
14/32
75%
1.5/2
0%
0/6
100%
2/2
48%
9.5/20
Cheese 1.22260    25%
1/4
 100%
2/2
100%
2/2
Sungorus 1.4 32-bit225952%
15.5/30
 50%
16/32
     
Waxman 20092253 50%
6/12
38%
6/16
     
Joker 1.1.062251 25%
0.5/2
   42%
5/12
 62%
2.5/4
RattateChess 1.0 Nosferatu225179%
9.5/12
 54%
15/28
     
NameEloAliChess
4.25
AliChess
4.20
AliChess
4.21
AliChess
4.19
AliChess
4.18
AliChess
4.06
AliChess
4.16
AliChess
4.08
EXchess 5.01b 32-bit2250  62%
2.5/4
 0%
0/2
44%
3.5/8
0%
0/2
58%
3.5/6
Beowulf 2.4a 64-bit224925%
1.5/6
 56%
13.5/24
     
MadChess 1.4 64-bit224875%
1.5/2
    35%
3.5/10
  
Rotor 0.1a2244 25%
0.5/2
   50%
1/2
 12%
0.5/4
Feuerstein 0.4.6.12238 62%
5/8
52%
11.5/22
42%
5/12
64%
7/11
   
Atak 6.8223753%
9.5/18
 40%
8/20
     
Atak 6.72236 88%
3.5/4
25%
1/4
     
Betsabe II 1.08c223650%
4/8
75%
7.5/10
      
Deuterium 06.08.25.042230    25%
0.5/2
45%
4.5/10
25%
0.5/2
25%
1/4
Dolphin 1.0 64-bit223052%
12.5/24
 62%
5/8
     
Gibbon 2.42c2225    73%
8/11
50%
1.5/3
22%
4.5/20
75%
1.5/2
Hussar 0.22223100%
2/2
    42%
2.5/6
  
Myrddin 0.85 64-bit2219100%
4/4
 58%
14/24
     
Beowulf 2.4a 32-bit221780%
8/10
 53%
9.5/18
     
Uralochka 1.1b2217 56%
4.5/8
 50%
8/16
93%
6.5/7
 25%
0.5/2
0%
0/4
Gibbon 2.52a2216  67%
8/12
42%
5/12
40%
2/5
   
Adam 3.3221042%
5/12
    55%
5.5/10
  
Neurosis 2.32210     75%
1.5/2
 69%
5.5/8
ZCT 0.3.24512210    42%
5/12
 50%
2/4
50%
1/2
Atlas 2.202208  62%
2.5/4
 83%
5/6
 75%
3/4
75%
1.5/2
NameEloAliChess
4.25
AliChess
4.20
AliChess
4.21
AliChess
4.19
AliChess
4.18
AliChess
4.06
AliChess
4.16
AliChess
4.08
Neurosis 2.52206 50%
4/8
50%
6/12
64%
4.5/7
60%
12/20
   
ChessAlex 2.0r42205 100%
4/4
 12%
1/8
55%
5.5/10
 0%
0/1
25%
1/4
Latista (Sinobyl) 1.52203     60%
3/5
25%
0.5/2
 
BlackBishop 1.02201 88%
3.5/4
100%
4/4
72%
11.5/16
0%
0/1
   
RattateChess Bologna 20072201   62%
5/8
67%
6/9
100%
2/2
62%
2.5/4
 
Alf 1.092195    50%
2/4
 58%
3.5/6
 
Buzz 0.08 32-bit2193     67%
4/6
25%
0.5/2
50%
2/4
OBender 3.2.4.22191   38%
1.5/4
62%
5/8
 50%
6/12
50%
1/2
Glass 0.1.0c2189    75%
3/4
  58%
3.5/6
Amundsen 0.65.12187      62%
5/8
25%
0.5/2
EveAnn 1.632187      44%
3.5/8
75%
1.5/2
Neurosis 2.42187    38%
1.5/4
 38%
4.5/12
 
Mediocre 0.342186 75%
3/4
 25%
1/4
62%
2.5/4
   
NagaSkaki 5.122186   75%
3/4
62%
2.5/4
 100%
2/2
75%
1.5/2
BlackBishop 0.472181      62%
2.5/4
30%
3/10
Atak 6.52180 75%
1.5/2
 94%
7.5/8
62%
2.5/4
   
ECE 11.01218080%
8/10
 62%
2.5/4
     
Lime 662178   79%
5.5/7
38%
1.5/4
  33%
2/6
Hamsters 0.0.62177     67%
2/3
62%
2.5/4
75%
3/4
Sjakk 1.1.7217450%
1/2
      55%
5.5/10
NameEloAliChess
4.25
AliChess
4.20
AliChess
4.21
AliChess
4.19
AliChess
4.18
AliChess
4.06
AliChess
4.16
AliChess
4.08
Sungorus 1.22172   50%
2/4
   36%
8/22
NagaSkaki 4.002164     100%
2/2
50%
1/2
58%
3.5/6
Bearded 06_292156      69%
5.5/8
62%
2.5/4
OliThink 5.1.92156   100%
4/4
62%
2.5/4
   
FireFly 2.5.8 32-bit215075%
1.5/2
    65%
6.5/10
  
Atak 6.02145      50%
1/2
50%
5/10
Prophet 2.0 32-bit2137    62%
2.5/4
100%
7/7
42%
2.5/6
 
Parrot 07.01.162135     75%
1.5/2
50%
1/2
 
Parrot 07.07.222135      62%
2.5/4
75%
4.5/6
TJchess 0.1212133 69%
5.5/8
  69%
5.5/8
  62%
2.5/4
Clarabit 1.00 32-bit2115    100%
4/4
 100%
2/2
88%
3.5/4
Adam 3.12109      100%
2/2
100%
2/2
Lime 622105     100%
2/2
100%
2/2
 
Feuerstein 0.4.5.12079      75%
1.5/2
62%
2.5/4
OBender 3.10.12070     80%
8/10
 65%
6.5/10
BigLion 2.23x2067100%
2/2
    75%
3/4
75%
1.5/2
 
BikJump 1.8 32-bit2060      50%
1/2
100%
2/2
Mustang 4.972044      100%
2/2
38%
1.5/4
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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  (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
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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on June 15, 2019