CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 5 engines!
5 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 June 15, 2019 with Bayeselo based on 2'051'440 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+
1Onno 1.2.70 64-bit 4CPU2955+12−1336.3%+97.436.3%2353 
100.0%
 Onno 0.12.0 64-bit2845+17−1760.7%−78.435.6%1244
47.3%
 Onno 1.2.70 64-bit2845+9−947.1%+22.235.1%4887
86.2%
 Onno 1.1.1 64-bit2837+12−1250.1%−2.337.2%2699
76.0%
 Onno 1.0 64-bit2830+17−1757.3%−50.637.0%1196
 

Results matrix

Custom engine selection
#NameElo12345
1Onno 1.2.70 64-bit 4CPU2955     
2Onno 0.12.0 64-bit2845     
3Onno 1.2.70 64-bit2845     
4Onno 1.1.1 64-bit2837     
5Onno 1.0 64-bit2830     
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
1Onno 1.2.70 64-bit 4CPU2955 100.0100.0100.0100.0
2Onno 0.12.0 64-bit28450.0 47.375.788.4
3Onno 1.2.70 64-bit28450.052.7 86.294.1
4Onno 1.1.1 64-bit28370.024.313.8 76.0
5Onno 1.0 64-bit28300.011.65.924.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1Onno 1.2.70 64-bit 4CPU2955 0130240
2Onno 0.12.0 64-bit28450 30019471962
3Onno 1.2.70 64-bit2845130300 1302399
4Onno 1.1.1 64-bit28372419471302 2165
5Onno 1.0 64-bit2830019623992165 
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
1Onno 1.2.70 64-bit 4CPU2955 0.01.80.50.0
2Onno 0.12.0 64-bit28450.0 4.949.480.4
3Onno 1.2.70 64-bit28451.84.9 17.26.6
4Onno 1.1.1 64-bit28370.549.417.2 55.6
5Onno 1.0 64-bit28300.080.46.655.6 
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 40 common opponents

Custom engine selection
NameEloOnno
1.2.70
64-bit
4CPU
Onno
0.12.0
64-bit
Onno
1.2.70
64-bit
Onno
1.1.1
64-bit
Onno
1.0
64-bit
Komodo 4 64-bit312624%
19.5/80
 12%
6/50
  
Rybka 3 64-bit3078 17%
8.5/50
21%
10.5/50
16%
9.5/58
17%
8.5/50
Stockfish 1.7.1 64-bit3045  15%
7.5/50
28%
9/32
 
Naum 4.2 64-bit2987  31%
15.5/50
21%
10.5/50
 
Deep Shredder 12 64-bit2955  32%
16/50
37%
22.5/61
 
Naum 4 64-bit2947 26%
13/50
 41%
24/58
35%
17.5/50
Fritz 122908  42%
20.5/49
35%
20.5/58
 
Fritz 112888 45%
22.5/50
 42%
24.5/58
44%
22/50
Thinker 5.4d Inert 64-bit288556%
4.5/8
  41%
16.5/40
 
Thinker 5.4c Inert 64-bit2883  47%
23/49
39%
22.5/58
40%
20/50
Spark 0.4 64-bit2882  46%
23/50
31%
15.5/50
 
Stockfish 1.4 64-bit2873   44%
22/50
42%
21/50
Protector 1.3.4 64-bit2852  35%
17.5/50
50%
16/32
 
Zappa Mexico II 64-bit2843 41%
20.5/50
49%
24.5/50
42%
24.5/58
43%
21.5/50
Deep Shredder 11 64-bit2842 50%
25/50
 50%
25/50
44%
22/50
Deep Sjeng WC2008 64-bit2842 51%
25.5/50
 48%
28/58
49%
24.5/50
Deep Sjeng 3.0 64-bit2838  53%
26.5/50
50%
29/58
 
Hiarcs 122835 58%
29/50
49%
24.5/50
47%
27.5/58
50%
25/50
Hiarcs 12.12833   59%
34.5/58
60%
30/50
Toga II 1.4.1SE2823 50%
25/50
 57%
28.5/50
55%
27.5/50
NameEloOnno
1.2.70
64-bit
4CPU
Onno
0.12.0
64-bit
Onno
1.2.70
64-bit
Onno
1.1.1
64-bit
Onno
1.0
64-bit
Glaurung 2.2 64-bit2802 66%
33/50
 54%
27/50
50%
25/50
Fruit 05/11/032792 62%
20/32
 58%
18.5/32
52%
16.5/32
Ktulu 92782  70%
34.5/49
59%
19/32
 
Bright 0.4a2779 58%
29/50
 63%
31.5/50
53%
26.5/50
Twisted Logic 20090922 64-bit2771  63%
31.5/50
58%
29/50
 
Spike 1.2 Turin2731 73%
36.5/50
 66%
54/82
68%
56/82
Chess Tiger 2007.12714 73%
23.5/32
 61%
19.5/32
 
BugChess2 1.6.3 64-bit2669 72%
23/32
 66%
21/32
78%
25/32
Booot 4.15.02665 83%
26.5/32
 75%
24/32
69%
22/32
Alaric 7072664 80%
25.5/32
 78%
25/32
80%
25.5/32
Colossus 2008b2642 78%
25/32
 80%
25.5/32
72%
23/32
E.T. Chess 13.01.082634 78%
25/32
  72%
23/32
Gandalf 62627 81%
26/32
 88%
28/32
 
Alfil 8.1.1 Optimized2625 86%
27.5/32
 78%
25/32
78%
25/32
Movei 00.8.438 (10 10 10)2623 77%
24.5/32
 73%
23.5/32
75%
24/32
WildCat 82623 80%
25.5/32
  73%
23.5/32
Slow Chess Blitz WV2.12615 77%
24.5/32
 69%
22/32
86%
27.5/32
Ruffian 2.1.02610 75%
24/32
 79%
24.5/31
78%
23.5/30
Sloppy 0.2.0 64-bit2607 89%
28.5/32
  78%
25/32
GarboChess 2.10 64-bit2598 75%
24/32
 84%
27/32
83%
26.5/32
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 June 15, 2019