CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
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 CPU.
Computed on October 12, 2019 with Bayeselo based on 2'115'766 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+
1Spike 1.4 Leiden 4CPU3039+10−1039.2%+76.036.3%4045 
100.0%
 Spike 1.4 Leiden2922+7−745.4%+31.034.7%9054
100.0%
 Spike 1.2 Turin2731+6−543.1%+53.131.4%14620
100.0%
 Spike 1.12679+24−2448.4%+10.732.4%590
 

Results matrix

Custom engine selection
#NameElo1234
1Spike 1.4 Leiden 4CPU3039    
2Spike 1.4 Leiden2922    
3Spike 1.2 Turin2731    
4Spike 1.12679    
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
1Spike 1.4 Leiden 4CPU3039 100.0100.0100.0
2Spike 1.4 Leiden29220.0 100.0100.0
3Spike 1.2 Turin27310.00.0 100.0
4Spike 1.126790.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Spike 1.4 Leiden 4CPU3039 9155070
2Spike 1.4 Leiden2922915 18703
3Spike 1.2 Turin27315071870 1309
4Spike 1.12679031309 
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
1Spike 1.4 Leiden 4CPU3039 7.02.70.0
2Spike 1.4 Leiden29227.0 7.90.0
3Spike 1.2 Turin27312.77.9 8.6
4Spike 1.126790.00.08.6 
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 74 common opponents

Custom engine selection
NameEloSpike
1.4
Leiden
4CPU
Spike
1.4
Leiden
Spike
1.2
Turin
Spike
1.1
Komodo CCT 64-bit318132%
15.5/49
19%
6/32
  
Houdini 1.5a 64-bit317031%
15.5/50
15%
7/48
12%
4/34
 
Komodo 4 64-bit312734%
27/80
26%
12.5/49
  
Komodo 3 64-bit310936%
18/50
26%
34/132
  
iCE 3.0 64-bit308131%
8.5/27
50%
0.5/1
  
Komodo 2.01 64-bit307252%
26/50
28%
13/46
  
Komodo 2.03 64-bit307135%
17.5/50
27%
13/48
  
Stockfish 1.8 64-bit3058 22%
6.5/30
10%
3.5/34
 
Critter 0.90 64-bit3050 24%
7/29
11%
3.5/32
 
Deep Shredder 12 64-bit 4CPU304249%
24.5/50
 10%
21/200
 
Komodo 1.3 64-bit299356%
28/50
27%
8.5/32
  
Fritz 13298653%
26.5/50
28%
9/32
  
Rybka 2.3.2a 64-bit2978 53%
16/30
17%
8/48
 
Komodo 1.2 64-bit2967 38%
11.5/30
22%
7/32
 
Gull 1.1 64-bit294464%
32/50
38%
12/32
  
Gull 1.0a 64-bit2938 46%
21/46
23%
7.5/32
 
Deep Sjeng 3.0 64-bit 4CPU293077%
38.5/50
 27%
26.5/99
 
Toga II 1.4 beta5c 4CPU290470%
35/50
 28%
14/50
 
Thinker 5.4d Inert 64-bit288688%
7/8
33%
2/6
34%
11/32
 
Thinker 5.4c Inert 64-bit2883 55%
16/29
28%
14/50
 
NameEloSpike
1.4
Leiden
4CPU
Spike
1.4
Leiden
Spike
1.2
Turin
Spike
1.1
Spark 0.4 64-bit2882 57%
17/30
30%
9.5/32
 
Rybka 1.2 32-bit2864  31%
17/54
20%
6/30
Hannibal 1.0a 64-bit2862 63%
19/30
27%
8/30
 
Rybka 2.1 32-bit2857  32%
41.5/131
0%
0/1
Protector 1.3.5 64-bit2856 68%
20.5/30
37%
11/30
 
Rybka 1.1 32-bit2854  27%
8/30
30%
6/20
Zappa Mexico II 64-bit2844 50%
3.5/7
35%
17.5/50
 
Booot 5.1.02839 61%
19.5/32
39%
12.5/32
 
Toga II 1.4.1SE2824 63%
19/30
29%
14.5/50
 
Booot 5.02785 65%
19.5/30
42%
12.5/30
 
Ktulu 92782 50%
0.5/1
41%
33.5/82
 
Bright 0.4a2780 64%
23/36
39%
8.5/22
 
Loop 13.6 (Loop 2007) 32-bit2776 75%
22.5/30
40%
25.5/64
 
Toga II 1.3.12773  42%
71.5/171
36%
17.5/49
Bright 0.5c2772 50%
1/2
38%
23.5/62
 
MinkoChess 0.9 64-bit2771 62%
18.5/30
40%
11.5/29
 
Twisted Logic 20090922 64-bit2770 77%
23/30
41%
13/32
 
Twisted Logic 20100131x 64-bit2767 88%
3.5/4
39%
50.5/129
 
Jonny 4.002763 69%
25/36
50%
15/30
 
Toga II 1.2.1a 32-bit2763  47%
52/110
36%
18/50
NameEloSpike
1.4
Leiden
4CPU
Spike
1.4
Leiden
Spike
1.2
Turin
Spike
1.1
Bison 9.11 64-bit2762 80%
24/30
48%
14.5/30
 
Crafty 23.3 64-bit2758 67%
20/30
40%
12/30
 
Hiarcs X502756  38%
23/61
42%
12.5/30
Scorpio 2.6 64-bit2756 80%
24/30
57%
17/30
 
Fritz 92751  42%
83/197
27%
8.5/31
Fruit 2.2.12751  48%
14/29
35%
9/26
Chronos 1.9.9 64-bit2740 87%
27/31
39%
12.5/32
 
Hiarcs 102736  50%
1/2
40%
8.5/21
Toga II 1.1a 32-bit2736  75%
1.5/2
0%
0/4
Chess Tiger 2007.12713 100%
2/2
55%
63.5/115
 
BugChess2 1.7 64-bit2707 70%
21/30
58%
18.5/32
 
Chess Tiger 20072701  59%
76.5/129
42%
10.5/25
Naum 2.0 32-bit2700 78%
23.5/30
53%
65/122
 
Frenzee Feb08 64-bit2695 80%
24/30
54%
18.5/34
 
Delfi 5.42683 82%
25.5/31
52%
49.5/96
 
Alaric 7072663 100%
1/1
62%
45/72
 
Glaurung 1.2.1 32-bit2657  68%
94/139
67%
20/30
Chess Tiger 152646  62%
20/32
47%
18.5/39
Colossus 2008b2642 50%
0.5/1
67%
51/76
 
Cyrano 0.6b17 64-bit2642 100%
1/1
60%
37/62
 
NameEloSpike
1.4
Leiden
4CPU
Spike
1.4
Leiden
Spike
1.2
Turin
Spike
1.1
CM10th Xperience2639  66%
56.5/86
63%
19/30
E.T. Chess 13.01.082634 50%
0.5/1
64%
48.5/76
 
WildCat 82623 100%
2/2
60%
47/78
 
CM10th Default2616  75%
22.5/30
100%
1/1
Slow Chess Blitz WV2.12615 50%
0.5/1
66%
93/140
68%
21/31
Pharaon 3.5.12604 50%
0.5/1
79%
68.5/87
 
ProDeo 1.12588  69%
21.5/31
62%
18.5/30
Delfi 5.02577  77%
23/30
72%
21.5/30
SOS 5.12574 100%
1/1
67%
21.5/32
 
Aristarch 4.502567  69%
22/32
65%
25.5/39
Pharaon 3.32547  76%
23.5/31
50%
0.5/1
Petir 3.99d2525  100%
3/3
100%
1/1
AnMon 5.502509  100%
1/1
100%
1/1
Colossus 2006d2486  88%
26.5/30
50%
0.5/1
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 12, 2019