CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Computed on July 6, 2019 with Bayeselo based on 2'062'148 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Kitteneitor 0.22.11725+19−1950.9%−8.134.2%991 
100.0%
 Kitteneitor 0.18.1 64-bit1630+28−2846.5%+27.138.0%437
87.5%
 Kitteneitor 0.12.11605+31−3150.6%−5.638.9%324
69.5%
 Kitteneitor 0.18.1 32-bit1592+38−3853.5%−45.332.7%318
 

Results matrix

Custom engine selection
#NameElo1234
1Kitteneitor 0.22.11725    
2Kitteneitor 0.18.1 64-bit1630    
3Kitteneitor 0.12.11605    
4Kitteneitor 0.18.1 32-bit1592    
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
#NameElo1234
1Kitteneitor 0.22.11725 100.0100.0100.0
2Kitteneitor 0.18.1 64-bit16300.0 87.594.1
3Kitteneitor 0.12.116050.012.5 69.5
4Kitteneitor 0.18.1 32-bit15920.05.930.5 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Kitteneitor 0.22.11725 185106243
2Kitteneitor 0.18.1 64-bit1630185 1670
3Kitteneitor 0.12.11605106167 36
4Kitteneitor 0.18.1 32-bit1592243036 
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
#NameElo1234
1Kitteneitor 0.22.11725 13.08.118.6
2Kitteneitor 0.18.1 64-bit163013.0 21.90.0
3Kitteneitor 0.12.116058.121.9 5.6
4Kitteneitor 0.18.1 32-bit159218.60.05.6 
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 20 common opponents

Custom engine selection
NameEloKitteneitor
0.22.1
Kitteneitor
0.18.1
64-bit
Kitteneitor
0.12.1
Kitteneitor
0.18.1
32-bit
HeavyChess 0.13 beta183434%
11/32
  25%
1.5/6
JARS 1.75a182538%
12/32
  8%
0.5/6
Macromix 2.01180134%
11/32
  33%
2/6
BeRoChess 1.00 32-bit177539%
12.5/32
  12%
0.5/4
Mint 2.3176562%
18.5/30
  33%
2/6
Ziggy 0.7174648%
15.5/32
 43%
9.5/22
42%
2.5/6
Adamant 1.7173532%
10/31
47%
15/32
  
GChess IV 0.2.0173242%
13.5/32
33%
9.5/29
  
Zoidberg 0.1172447%
15/32
  50%
3/6
Chess 4.1a169359%
19/32
  50%
3/6
SharpChess2 2.6.9169365%
20/31
  67%
4/6
BACE 0.45167872%
23/32
50%
14.5/29
  
Tristram 3.36167845%
14.5/32
  25%
1.5/6
Cmcchess 2.5166059%
19/32
 30%
6/20
33%
2/6
DChess 1.0.21651 50%
16/32
66%
14.5/22
 
MSCP 1.441633 37%
12.5/34
48%
10.5/22
 
Darky 0.5d159161%
19.5/32
  67%
4/6
MSCP 1.6h155978%
25/32
  42%
2.5/6
Tarrasch Toy Engine 0.9061494 54%
19/35
75%
16.5/22
 
Abulafia 0.61141787%
23.5/27
  70%
3.5/5
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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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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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on July 6, 2019