CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 5 engines!
5 selected engines played 0 games with each other

CCRL 40/15 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 15 minutes on an Intel i7-4770k.
Computed on May 8, 2021 with Bayeselo based on 1'242'291 games
Please refer to the "about" page for comments on engine inclusion

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+
1Strelka 5.5 64-bit3101+7−645.6%+32.048.1%9977 
97.8%
 Strelka 5.5 32-bit3085+15−1460.6%−66.449.6%1488
71.6%
 Strelka 5.1 32-bit3079+15−1560.4%−66.449.0%1384
100.0%
 Strelka 1.8 32-bit2768+19−1947.6%+15.142.1%878
86.0%
 Strelka 1.0b 32-bit2749+28−2852.8%−16.740.7%413
 

Results matrix

Custom engine selection
#NameElo12345
1Strelka 5.5 64-bit3101     
2Strelka 5.5 32-bit3085     
3Strelka 5.1 32-bit3079     
4Strelka 1.8 32-bit2768     
5Strelka 1.0b 32-bit2749     
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
1Strelka 5.5 64-bit3101 97.899.6100.0100.0
2Strelka 5.5 32-bit30852.2 71.6100.0100.0
3Strelka 5.1 32-bit30790.428.4 100.0100.0
4Strelka 1.8 32-bit27680.00.00.0 86.0
5Strelka 1.0b 32-bit27490.00.00.014.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1Strelka 5.5 64-bit3101 11011000
2Strelka 5.5 32-bit3085110 21371550
3Strelka 5.1 32-bit30791102137 1550
4Strelka 1.8 32-bit276801515 297
5Strelka 1.0b 32-bit274905050297 
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
1Strelka 5.5 64-bit3101 1.01.00.00.0
2Strelka 5.5 32-bit30851.0 74.40.62.6
3Strelka 5.1 32-bit30791.074.4 0.72.8
4Strelka 1.8 32-bit27680.00.60.7 23.0
5Strelka 1.0b 32-bit27490.02.62.823.0 
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 48 common opponents

Custom engine selection
NameEloStrelka
5.5
64-bit
Strelka
5.5
32-bit
Strelka
5.1
32-bit
Strelka
1.8
32-bit
Strelka
1.0b
32-bit
Houdini 3 32-bit3133 39%
12.5/32
39%
12.5/32
  
Houdini 2.0c 32-bit3100 52%
15.5/30
52%
15.5/30
  
Houdini 1.5a 32-bit3087 48%
14.5/30
48%
15.5/32
  
Critter 1.4 32-bit3070 50%
15/30
52%
21/40
  
Critter 1.6a 32-bit3066 58%
18.5/32
50%
16/32
  
Stockfish 2.2.2 32-bit3048 62%
18.5/30
50%
20/40
  
Komodo 5 32-bit3045 59%
19/32
52%
16.5/32
  
Stockfish 2.3.1 32-bit3038 66%
21/32
42%
13.5/32
  
Komodo 4 32-bit3031 60%
18/30
60%
24/40
  
Rybka 4.1 32-bit3028 48%
14.5/30
62%
25/40
  
Vitruvius 1.11C 32-bit3028 68%
20.5/30
63%
19/30
  
IvanHoe 9.46h 32-bit3021 68%
20.5/30
61%
24.5/40
  
Komodo 3 32-bit3021 57%
17/30
48%
14.5/30
  
DeepSaros 2.3j 32-bit3019 57%
17/30
63%
19/30
  
Bouquet 1.6 32-bit3015 67%
20/30
58%
17.5/30
  
Bouquet 1.5 32-bit3008 66%
21/32
69%
22/32
  
DeepSaros 3.0 32-bit2997 58%
18.5/32
62%
20/32
  
Gull II b2 32-bit2980 78%
26.5/34
62%
20/32
  
Gull II 32-bit2976 70%
22.5/32
68%
19/28
  
Hiarcs 14295975%
24/32
75%
24/32
70%
22.5/32
  
NameEloStrelka
5.5
64-bit
Strelka
5.5
32-bit
Strelka
5.1
32-bit
Strelka
1.8
32-bit
Strelka
1.0b
32-bit
Fritz 132958 69%
22/32
76%
23.5/31
  
Naum 4.2 32-bit2957 65%
19.5/30
68%
20.5/30
  
Deep Sjeng c't 20102939 68%
20.5/30
76%
23.5/31
  
Chiron 1.1a 32-bit2929 73%
22/30
70%
21/30
  
Shredder 12 32-bit2928 76%
45.5/60
75%
46/61
  
Spike 1.4 Leiden291378%
12.5/16
82%
24.5/30
82%
24.5/30
  
Rybka 2.3.2a 32-bit2911 78%
23.5/30
83%
25/30
30%
1.5/5
12%
2.5/20
Deep Junior 13.3 32-bit2907 66%
21/32
78%
25/32
  
Hannibal 1.2 32-bit2904 77%
23/30
77%
24.5/32
  
Gull 1.0a 32-bit2885 87%
26/30
88%
26.5/30
  
Quazar 0.4 32-bit2878 75%
22.5/30
78%
23.5/30
  
Protector 1.4.0 32-bit2877 68%
20.5/30
83%
25/30
  
Gull 1.2 32-bit2875 83%
25/30
78%
23.5/30
  
Hiarcs 11.12789   53%
16/30
50%
1/2
Zap!Chess Zanzibar 32-bit2781   38%
1.5/4
28%
5.5/20
Fritz 102777   54%
20/37
62%
12.5/20
Loop 13.6 (Loop 2007) 32-bit2772   44%
16/36
54%
28/52
Shredder 102770   56%
20/36
50%
1/2
Toga II 1.2.1a 32-bit2759   55%
17/31
25%
0.5/2
Spike 1.2 Turin2744   55%
17.5/32
0%
0/2
NameEloStrelka
5.5
64-bit
Strelka
5.5
32-bit
Strelka
5.1
32-bit
Strelka
1.8
32-bit
Strelka
1.0b
32-bit
Ktulu 82706   61%
20/33
50%
1/2
Chess Tiger 2007.12703   62%
22.5/36
59%
13/22
Glaurung 2 epsilon/5 32-bit2696   70%
3.5/5
64%
36/56
Scorpio 1.912661   100%
2/2
50%
1/2
Chess Tiger 2007 Gambit2628   50%
1/2
50%
1/2
Delfi 5.12628   100%
3/3
50%
1/2
Petir 4.392593   50%
1/2
80%
17.5/22
The Baron 1.8.12591   100%
1/1
100%
2/2
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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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):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021