CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Custom engine selection

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

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on October 19, 2019 with Bayeselo based on 1'092'341 games

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-bit3104+6−745.6%+32.248.1%9977 
95.9%
 Strelka 5.5 32-bit3089+15−1562.6%−77.949.0%1352
68.2%
 Strelka 5.1 32-bit3084+16−1561.4%−72.448.8%1312
100.0%
 Strelka 1.8 32-bit2770+19−1947.6%+14.542.1%878
86.3%
 Strelka 1.0b 32-bit2751+28−2852.8%−17.540.7%413
 

Results matrix

Custom engine selection
#NameElo12345
1Strelka 5.5 64-bit3104     
2Strelka 5.5 32-bit3089     
3Strelka 5.1 32-bit3084     
4Strelka 1.8 32-bit2770     
5Strelka 1.0b 32-bit2751     
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-bit3104 95.999.0100.0100.0
2Strelka 5.5 32-bit30894.1 68.2100.0100.0
3Strelka 5.1 32-bit30841.031.8 100.0100.0
4Strelka 1.8 32-bit27700.00.00.0 86.3
5Strelka 1.0b 32-bit27510.00.00.013.7 
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-bit3104 11011000
2Strelka 5.5 32-bit3089110 21371550
3Strelka 5.1 32-bit30841102137 1550
4Strelka 1.8 32-bit277001515 297
5Strelka 1.0b 32-bit275105050297 
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-bit3104 1.01.00.00.0
2Strelka 5.5 32-bit30891.0 80.20.72.8
3Strelka 5.1 32-bit30841.080.2 0.72.9
4Strelka 1.8 32-bit27700.00.70.7 23.0
5Strelka 1.0b 32-bit27510.02.82.923.0 
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-bit3136 39%
12.5/32
39%
12.5/32
  
Houdini 2.0c 32-bit3103 52%
15.5/30
52%
15.5/30
  
Houdini 1.5a 32-bit3092 48%
14.5/30
48%
15.5/32
  
Critter 1.4 32-bit3075 50%
15/30
52%
21/40
  
Critter 1.6a 32-bit3069 58%
18.5/32
50%
16/32
  
Stockfish 2.2.2 32-bit3051 62%
18.5/30
50%
20/40
  
Komodo 5 32-bit3048 59%
19/32
52%
16.5/32
  
Stockfish 2.3.1 32-bit3041 66%
21/32
42%
13.5/32
  
Komodo 4 32-bit3033 60%
18/30
60%
24/40
  
Rybka 4.1 32-bit3031 48%
14.5/30
62%
25/40
  
Vitruvius 1.11C 32-bit3031 68%
20.5/30
63%
19/30
  
IvanHoe 9.46h 32-bit3024 68%
20.5/30
61%
24.5/40
  
Komodo 3 32-bit3024 57%
17/30
48%
14.5/30
  
DeepSaros 2.3j 32-bit3022 57%
17/30
63%
19/30
  
Bouquet 1.6 32-bit3018 67%
20/30
58%
17.5/30
  
Bouquet 1.5 32-bit3012 66%
21/32
69%
22/32
  
DeepSaros 3.0 32-bit3000 58%
18.5/32
62%
20/32
  
Gull II b2 32-bit2983 78%
26.5/34
62%
20/32
  
Gull II 32-bit2979 70%
22.5/32
68%
19/28
  
Hiarcs 14296275%
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 132961 69%
22/32
76%
23.5/31
  
Naum 4.2 32-bit2960 65%
19.5/30
68%
20.5/30
  
Deep Sjeng c't 20102942 68%
20.5/30
76%
23.5/31
  
Chiron 1.1a 32-bit2932 73%
22/30
70%
21/30
  
Shredder 12 32-bit2930 76%
45.5/60
75%
46/61
  
Spike 1.4 Leiden291578%
12.5/16
82%
24.5/30
82%
24.5/30
  
Rybka 2.3.2a 32-bit2913 78%
23.5/30
83%
25/30
30%
1.5/5
12%
2.5/20
Deep Junior 13.3 32-bit2910 66%
21/32
78%
25/32
  
Hannibal 1.2 32-bit2906 77%
23/30
77%
24.5/32
  
Gull 1.0a 32-bit2886 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-bit2879 68%
20.5/30
83%
25/30
  
Gull 1.2 32-bit2877 83%
25/30
78%
23.5/30
  
Hiarcs 11.12790   53%
16/30
50%
1/2
Zap!Chess Zanzibar 32-bit2782   38%
1.5/4
28%
5.5/20
Fritz 102779   54%
20/37
62%
12.5/20
Loop 13.6 (Loop 2007) 32-bit2774   44%
16/36
54%
28/52
Shredder 102771   56%
20/36
50%
1/2
Toga II 1.2.1a 32-bit2760   55%
17/31
25%
0.5/2
Spike 1.2 Turin2746   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 2007.12705   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
The Baron 1.8.12592   100%
1/1
100%
2/2
Petir 4.392591   50%
1/2
80%
17.5/22
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
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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 October 19, 2019