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 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 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+
1Atak 6.72237+29−2951.5%−9.433.2%407 
49.5%
 Atak 6.82237+16−1650.9%−5.823.1%1421
100.0%
 Atak 6.52181+25−2550.7%−6.823.9%570
94.5%
 Atak 6.02146+34−3448.4%+8.123.0%309
99.5%
 Atak 6.22080+36−3647.5%+15.514.8%304
 

Results matrix

Custom engine selection
#NameElo12345
1Atak 6.72237     
2Atak 6.82237     
3Atak 6.52181     
4Atak 6.02146     
5Atak 6.22080     
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 49.599.8100.0100.0
2Atak 6.8223750.5 100.0100.0100.0
3Atak 6.521810.20.0 94.5100.0
4Atak 6.021460.00.05.5 99.5
5Atak 6.220800.00.00.00.5 
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 6.52181334184 190237
4Atak 6.021465824190 252
5Atak 6.220805842237252 
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 12.134.28.18.2
2Atak 6.8223712.1 9.21.42.4
3Atak 6.5218134.29.2 21.627.1
4Atak 6.021468.11.421.6 41.1
5Atak 6.220808.22.427.141.1 
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 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-bit235825%
1/4
44%
3.5/8
   
Rodin 2.3a233945%
4.5/10
 50%
2/4
  
Ares 1.003a230450%
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 4.20226512%
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
  
Beowulf 2.4a 64-bit225233%
8/24
50%
1/2
   
RattateChess 1.0 Nosferatu225162%
2.5/4
44%
16/36
   
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 5.12218756%
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
   
Lime 662179 68%
27/40
45%
9/20
50%
1/2
33%
2/6
Hamsters 0.0.62178  50%
9/18
47%
7.5/16
0%
0/2
Feuerstein 0.4.62175   30%
3/10
50%
3/6
Bearded 06_292157   8%
0.5/6
25%
0.5/2
KnockOut 0.7.1215288%
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_02213175%
6/8
 50%
2/4
  
Adam 3.2213075%
3/4
 59%
13/22
  
NameEloAtak
6.7
Atak
6.8
Atak
6.5
Atak
6.0
Atak
6.2
Clarabit 1.00 32-bit2116  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-bit208856%
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 2.23x2068  75%
3/4
42%
2.5/6
100%
4/4
BikJump 1.8 32-bit2061   42%
2.5/6
50%
2/4
Gibbon 2.01b2049   100%
2/2
40%
2/5
Monarch 1.72045   50%
1/2
50%
3/6
Mustang 4.972044  62%
2.5/4
62%
5/8
0%
0/2
BibiChess 0.52001   62%
2.5/4
71%
10/14
Rival 1.181976  75%
3/4
88%
3.5/4
75%
4.5/6
Smash 1.0.31951   100%
2/2
100%
2/2
ECE 0.31915  88%
3.5/4
62%
2.5/4
75%
6/8
Clueless 1.41913  100%
4/4
100%
2/2
50%
1/2
Warrior 1.0.31906   100%
4/4
36%
2.5/7
Surprise 4.3b131894   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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Created in 2005-2013 by CCRL team
Last games added on May 18, 2019