CCRL 40/15
Downloads and Statistics
April 12, 2021
Testing summary:
Total: 1'235'231 games
played by 2'819 programs

White wins: 423'584 (34.3%)
Black wins: 311'244 (25.2%)
Draws: 500'403 (40.5%)
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 April 12, 2021 with Bayeselo based on 1'235'231 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-bit3102+7−645.6%+32.148.1%9977 
97.8%
 Strelka 5.5 32-bit3086+15−1560.6%−66.449.6%1488
71.5%
 Strelka 5.1 32-bit3080+15−1560.4%−66.349.0%1384
100.0%
 Strelka 1.8 32-bit2769+19−1947.6%+14.842.1%878
86.1%
 Strelka 1.0b 32-bit2750+28−2852.8%−17.140.7%413
 

Results matrix

Custom engine selection
#NameElo12345
1Strelka 5.5 64-bit3102     
2Strelka 5.5 32-bit3086     
3Strelka 5.1 32-bit3080     
4Strelka 1.8 32-bit2769     
5Strelka 1.0b 32-bit2750     
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-bit3102 97.899.6100.0100.0
2Strelka 5.5 32-bit30862.2 71.5100.0100.0
3Strelka 5.1 32-bit30800.428.5 100.0100.0
4Strelka 1.8 32-bit27690.00.00.0 86.1
5Strelka 1.0b 32-bit27500.00.00.013.9 
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-bit3102 11011000
2Strelka 5.5 32-bit3086110 21371550
3Strelka 5.1 32-bit30801102137 1550
4Strelka 1.8 32-bit276901515 297
5Strelka 1.0b 32-bit275005050297 
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-bit3102 1.01.00.00.0
2Strelka 5.5 32-bit30861.0 74.40.62.6
3Strelka 5.1 32-bit30801.074.4 0.72.8
4Strelka 1.8 32-bit27690.00.60.7 23.0
5Strelka 1.0b 32-bit27500.02.62.823.0 
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-bit3134 39%
12.5/32
39%
12.5/32
  
Houdini 2.0c 32-bit3102 52%
15.5/30
52%
15.5/30
  
Houdini 1.5a 32-bit3088 48%
14.5/30
48%
15.5/32
  
Critter 1.4 32-bit3071 50%
15/30
52%
21/40
  
Critter 1.6a 32-bit3067 58%
18.5/32
50%
16/32
  
Stockfish 2.2.2 32-bit3049 62%
18.5/30
50%
20/40
  
Komodo 5 32-bit3046 59%
19/32
52%
16.5/32
  
Stockfish 2.3.1 32-bit3039 66%
21/32
42%
13.5/32
  
Komodo 4 32-bit3032 60%
18/30
60%
24/40
  
Rybka 4.1 32-bit3030 48%
14.5/30
62%
25/40
  
Vitruvius 1.11C 32-bit3029 68%
20.5/30
63%
19/30
  
IvanHoe 9.46h 32-bit3022 68%
20.5/30
61%
24.5/40
  
Komodo 3 32-bit3022 57%
17/30
48%
14.5/30
  
DeepSaros 2.3j 32-bit3020 57%
17/30
63%
19/30
  
Bouquet 1.6 32-bit3016 67%
20/30
58%
17.5/30
  
Bouquet 1.5 32-bit3009 66%
21/32
69%
22/32
  
DeepSaros 3.0 32-bit2998 58%
18.5/32
62%
20/32
  
Gull II b2 32-bit2981 78%
26.5/34
62%
20/32
  
Gull II 32-bit2977 70%
22.5/32
68%
19/28
  
Hiarcs 14296075%
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 132959 69%
22/32
76%
23.5/31
  
Naum 4.2 32-bit2958 65%
19.5/30
68%
20.5/30
  
Deep Sjeng c't 20102940 68%
20.5/30
76%
23.5/31
  
Chiron 1.1a 32-bit2931 73%
22/30
70%
21/30
  
Shredder 12 32-bit2929 76%
45.5/60
75%
46/61
  
Spike 1.4 Leiden291478%
12.5/16
82%
24.5/30
82%
24.5/30
  
Rybka 2.3.2a 32-bit2912 78%
23.5/30
83%
25/30
30%
1.5/5
12%
2.5/20
Deep Junior 13.3 32-bit2908 66%
21/32
78%
25/32
  
Hannibal 1.2 32-bit2905 77%
23/30
77%
24.5/32
  
Gull 1.0a 32-bit2885 87%
26/30
88%
26.5/30
  
Quazar 0.4 32-bit2880 75%
22.5/30
78%
23.5/30
  
Protector 1.4.0 32-bit2878 68%
20.5/30
83%
25/30
  
Gull 1.2 32-bit2876 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 102778   54%
20/37
62%
12.5/20
Loop 13.6 (Loop 2007) 32-bit2773   44%
16/36
54%
28/52
Shredder 102771   56%
20/36
50%
1/2
Toga II 1.2.1a 32-bit2759   55%
17/31
25%
0.5/2
Spike 1.2 Turin2745   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 2007.12704   62%
22.5/36
59%
13/22
Glaurung 2 epsilon/5 32-bit2697   70%
3.5/5
64%
36/56
Scorpio 1.912662   100%
2/2
50%
1/2
Chess Tiger 2007 Gambit2629   50%
1/2
50%
1/2
Delfi 5.12629   100%
3/3
50%
1/2
Petir 4.392592   50%
1/2
80%
17.5/22
The Baron 1.8.12592   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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on April 12, 2021