CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 5 engines!
5 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 October 19, 2019 with Bayeselo based on 1'092'341 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+
1Atak 6.72237+29−2851.5%−9.833.0%409 
49.3%
 Atak 6.82237+16−1650.9%−6.223.1%1421
100.0%
 Atak 6.52180+25−2550.7%−6.023.9%570
93.6%
 Atak 6.02147+34−3448.6%+6.923.2%311
99.6%
 Atak 6.22079+36−3647.5%+16.114.8%304
 

Results matrix

Custom engine selection
#NameElo12345
1Atak 6.72237     
2Atak 6.82237     
3Atak 6.52180     
4Atak 6.02147     
5Atak 6.22079     
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
1Atak 6.72237 49.399.8100.0100.0
2Atak 6.8223750.7 100.0100.0100.0
3Atak 6.521800.20.0 93.6100.0
4Atak 6.021470.00.06.4 99.6
5Atak 6.220790.00.00.00.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1Atak 6.72237 2213345858
2Atak 6.82237221 1842442
3Atak 6.52180334184 190237
4Atak 6.021475824190 252
5Atak 6.220795842237252 
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
1Atak 6.72237 12.134.18.18.1
2Atak 6.8223712.1 9.21.42.4
3Atak 6.5218034.19.2 21.627.1
4Atak 6.021478.11.421.6 41.0
5Atak 6.220798.12.427.141.0 
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 59 common opponents

Custom engine selection
NameEloAtak
6.7
Atak
6.8
Atak
6.5
Atak
6.0
Atak
6.2
OliThink 5.3.0 32-bit235925%
1/4
44%
3.5/8
   
Rodin 2.3a233945%
4.5/10
 50%
2/4
  
Ares 1.003a230550%
2/4
 50%
1/2
  
Anechka 0.08230075%
3/4
50%
2/4
   
Popochin 3.2229662%
2.5/4
50%
2/4
10%
0.5/5
  
Butcher 1.60n1228512%
0.5/4
48%
9.5/20
75%
1.5/2
  
AliChess 4.20226412%
0.5/4
 25%
0.5/2
  
Cheese 1.22261   43%
9.5/22
50%
1/2
Sungorus 1.4 32-bit226038%
1.5/4
49%
16.5/34
   
AliChess 4.21225875%
3/4
60%
12/20
   
Waxman 2009225357%
8/14
75%
3/4
25%
0.5/2
  
RattateChess 1.0 Nosferatu225262%
2.5/4
44%
16/36
   
Beowulf 2.4a 64-bit225033%
8/24
50%
1/2
   
Feuerstein 0.4.6.1223844%
7/16
44%
4/9
50%
5/10
 0%
0/4
Uralochka 1.1b221850%
4/8
 23%
3/13
58%
3.5/6
31%
2.5/8
Gibbon 2.52a221753%
8.5/16
50%
3/6
42%
22/52
  
ZCT 0.3.24512210   62%
2.5/4
100%
2/2
Atlas 2.20220875%
3/4
   0%
0/2
Neurosis 2.5220753%
8.5/16
38%
3/8
33%
6/18
  
ChessAlex 2.0r42205  42%
5/12
33%
2/6
25%
1/4
NameEloAtak
6.7
Atak
6.8
Atak
6.5
Atak
6.0
Atak
6.2
BlackBishop 1.0220260%
14.5/24
 38%
5/13
  
RattateChess Bologna 20072201  25%
2/8
 12%
0.5/4
Alf 1.092195  56%
4.5/8
 12%
0.5/4
AliChess 4.082195   50%
5/10
75%
1.5/2
OBender 3.2.4.22192  48%
12.5/26
50%
1/2
38%
1.5/4
Neurosis 2.42188   88%
3.5/4
12%
0.5/4
Mediocre 0.34218752%
10.5/20
 40%
4/10
  
NagaSkaki 5.12218656%
4.5/8
75%
3/4
47%
7.5/16
29%
3.5/12
20%
2/10
KMTChess 1.2.1 32-bit218262%
7.5/12
53%
9.5/18
   
Hamsters 0.0.62178  50%
9/18
47%
7.5/16
0%
0/2
Lime 662178 68%
27/40
45%
9/20
50%
1/2
33%
2/6
Feuerstein 0.4.62174   30%
3/10
50%
3/6
Bearded 06_292157   8%
0.5/6
25%
0.5/2
KnockOut 0.7.1215188%
7/8
60%
6/10
62%
15/24
  
Mediocre 0.3342150   50%
1/2
62%
5/8
Parrot 07.07.222136  44%
3.5/8
 25%
1/4
TJchess 0.121213458%
7/12
 58%
3.5/6
58%
7/12
50%
1/2
Waxman 20082134  50%
2/4
 25%
1/4
Bearded 06_29_02213075%
6/8
 50%
2/4
  
Adam 3.2212975%
3/4
 59%
13/22
  
NameEloAtak
6.7
Atak
6.8
Atak
6.5
Atak
6.0
Atak
6.2
Clarabit 1.00 32-bit2115  88%
7/8
75%
7.5/10
50%
3/6
Kurt 0.9.2 32-bit2114 50%
1/2
 55%
5.5/10
 
Adam 3.12109  69%
5.5/8
 50%
2/4
FireFly 2.5.6 32-bit208756%
5/9
 0%
0/1
  
BikJump 2.01 32-bit2084  88%
3.5/4
 56%
5/9
Buzz 0.072080   75%
1.5/2
14%
1/7
BigLion 2.23x2067  75%
3/4
42%
2.5/6
100%
4/4
BikJump 1.8 32-bit2060   42%
2.5/6
50%
2/4
Gibbon 2.01b2048   100%
2/2
40%
2/5
Monarch 1.72044   50%
1/2
50%
3/6
Mustang 4.972044  62%
2.5/4
62%
5/8
0%
0/2
BibiChess 0.52000   62%
2.5/4
71%
10/14
Rival 1.181975  75%
3/4
88%
3.5/4
75%
4.5/6
Smash 1.0.31950   100%
2/2
100%
2/2
ECE 0.31914  88%
3.5/4
62%
2.5/4
75%
6/8
Clueless 1.41912  100%
4/4
100%
2/2
50%
1/2
Warrior 1.0.31906   100%
4/4
36%
2.5/7
Surprise 4.3b131893   50%
2/4
100%
7/7
Micro-Max 4.81892   100%
2/2
0%
0/2
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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on October 19, 2019