CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 4 engines!
4 selected engines played 70 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 CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 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+
1Ktulu 92754+12−1246.6%+21.439.2%2248 
100.0%
 Ktulu 82705+9−945.1%+32.936.0%4421
100.0%
 Ktulu 7.52663+16−1645.1%+33.835.4%1405
98.6%
 Ktulu 7.12637+18−1845.3%+32.534.1%1022
 

Results matrix

Custom engine selection
#NameElo1234
1Ktulu 92754    
2Ktulu 82705  21.5 − 18.5
+12−9=19
−18
 
3Ktulu 7.52663 18.5 − 21.5
+9−12=19
+18
 12 − 18
+2−8=20
−81
4Ktulu 7.12637  18 − 12
+8−2=20
+81
 
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
1Ktulu 92754 100.0100.0100.0
2Ktulu 827050.0 100.0100.0
3Ktulu 7.526630.00.0 98.6
4Ktulu 7.126370.00.01.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Ktulu 92754 11803218
2Ktulu 827051180 1199890
3Ktulu 7.52663321199 1751
4Ktulu 7.12637188901751 
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
1Ktulu 92754 17.70.90.6
2Ktulu 8270517.7 20.616.4
3Ktulu 7.526630.920.6 72.1
4Ktulu 7.126370.616.472.1 
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 108 common opponents

Custom engine selection
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
Rybka 1.2 32-bit2868 21%
9/43
17%
5/30
 
Rybka 1.1 32-bit2856 32%
13/40
23%
7/31
15%
4.5/30
Fritz 11285243%
13/30
28%
14/50
  
Deep Shredder 11 64-bit284328%
8.5/30
50%
0.5/1
  
Shredder 11283232%
9.5/30
21%
7/34
  
Deep Shredder 10 64-bit 4CPU2831 31%
9.5/31
22%
6.5/29
 
Deep Sjeng WC2008 32-bit282540%
12/30
50%
1/2
  
Rybka 1.0 64-bit2824  35%
9.5/27
30%
9/30
Hiarcs 12.1281740%
12/30
0%
0/2
  
Zappa Mexico II 32-bit280942%
12.5/30
28%
9/32
  
Hiarcs Paderborn 2007279538%
1.5/4
38%
11.5/30
  
Rybka 1.0 32-bit2788 28%
11/40
22%
8/37
33%
10/30
Atlas 3.70em 64-bit278775%
1.5/2
25%
1/4
  
Bright 0.4a277661%
19.5/32
75%
1.5/2
  
Loop 13.6 (Loop 2007) 32-bit277351%
25.5/50
31%
11/35
  
Shredder 102770 37%
20/54
35%
14.5/41
41%
16/39
Toga II 1.2.1a 32-bit2759 45%
20.5/46
25%
0.5/2
 
Spike 1.2 Turin274556%
22.5/40
38%
25.5/68
  
Hiarcs X502744 50%
4/8
35%
11/31
 
Fruit 2.2.12743 43%
22.5/52
23%
8.5/37
25%
7.5/30
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
Junior 10274350%
2/4
54%
22/41
38%
23/60
25%
7.5/30
Fritz 92742 46%
22/48
34%
12/35
33%
10/30
Hiarcs 102740 41%
17/41
43%
14.5/34
33%
10/30
Pedone 1.0 64-bit2735100%
2/2
65%
6.5/10
  
Toga II 1.1a 32-bit2731  29%
10/34
28%
8/29
Twisted Logic 20090922 32-bit273050%
2/4
25%
0.5/2
  
Godel 3.4.9 64-bit272756%
9/16
45%
4.5/10
  
Shredder 92725  45%
17.5/39
52%
15.5/30
Hiarcs 10 Hypermodern2717  43%
13/30
43%
13/30
Chess Tiger 2007.1270463%
33/52
58%
29/50
  
Chessmaster 11 Aiglos II270153%
9.5/18
54%
6.5/12
  
Pawny 1.1 64-bit270133%
2/6
50%
5/10
  
Fritz 8 Bilbao2700 49%
21.5/44
50%
0.5/1
 
Chessmaster 11 Conqueror269755%
11/20
45%
4.5/10
  
Chessmaster 11 Archangel269553%
8.5/16
50%
5/10
  
Frenzee Feb08 32-bit269570%
7/10
49%
17.5/36
  
Rhetoric 1.2 64-bit269575%
1.5/2
35%
3.5/10
  
Booot 4.15.0269350%
2/4
52%
13.5/26
  
Delfi 5.4268964%
7/11
38%
6/16
  
Spike 1.12689 100%
1/1
53%
19/36
33%
9.5/29
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
Tornado 4.87a 32-bit268650%
1/2
65%
6.5/10
  
Cheese 1.8 64-bit268392%
5.5/6
69%
5.5/8
  
Chessmaster 11 Toxic268258%
7/12
50%
8/16
  
K2 0.95268162%
2.5/4
50%
5/10
  
Zap!Chess Paderborn 32-bit2681 25%
1/4
48%
13.5/28
28%
8.5/30
Chessmaster 11 Leonidas267966%
10.5/16
58%
15/26
  
Tucano 5.00 64-bit267938%
1.5/4
80%
8/10
  
Cheese 1.7 64-bit267850%
1/2
55%
5.5/10
  
Junior 92676 100%
2/2
56%
20/36
45%
13.5/30
ChessBrainVB 2.05266975%
3/4
92%
5.5/6
58%
3.5/6
 
Zap!Chess Paderborn SE 32-bit2669 62%
2.5/4
100%
1/1
 
Djinn 1.021 64-bit266750%
2/4
44%
3.5/8
  
Movei 00.8.438 (10 10 10)266757%
8/14
58%
22.5/39
  
Chessmaster 11266575%
1.5/2
62%
32.5/52
  
SmarThink 1.00 32-bit2665 50%
4/8
45%
18/40
40%
24/60
Ktulu 7.52663 54%
21.5/40
 60%
18/30
Alaric 707266175%
9/12
59%
24/41
  
CM10th Xperience2661 59%
10/17
35%
11/31
38%
11.5/30
RedQueen 1.1.97 64-bit2660100%
2/2
55%
5.5/10
  
Frenzee Dec07 32-bit265962%
2.5/4
42%
2.5/6
  
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
BugChess2 1.6.4 32-bit265767%
14/21
100%
1/1
  
Glaurung 1.2.1 32-bit2655 51%
25/49
50%
0.5/1
 
Djinn 1.010 64-bit265350%
1/2
60%
6/10
  
E.T. Chess 13.01.08265075%
10.5/14
66%
10.5/16
  
Spike 1.0a2649  49%
16.5/34
45%
13.5/30
Cyrano 0.6b17 32-bit264875%
1.5/2
55%
5.5/10
  
Movei 00.8.4382646100%
2/2
64%
21/33
  
CM10th Ogre264538%
1.5/4
88%
3.5/4
42%
2.5/6
 
Rotor 0.7a264575%
1.5/2
  60%
6/10
CM10th Magic II2644 50%
2.5/5
51%
20/39
75%
1.5/2
Colossus 2008b264388%
7/8
44%
3.5/8
  
Chronos 1.9.7264079%
5.5/7
75%
1.5/2
  
Scorpio 1.82640 75%
3/4
50%
1/2
 
CM10th Pestilence2639 55%
5.5/10
50%
1/2
 
ProDeo 1.74263875%
1.5/2
50%
1/2
  
RedQueen 1.0.0 32-bit263762%
2.5/4
50%
5/10
  
Slow Chess Blitz WV2.12637 65%
26/40
50%
1/2
 
Chess Tiger 152636 100%
2/2
64%
23.5/37
55%
17.5/32
Glaurung 1.0.2 32-bit2634  58%
21/36
64%
20.5/32
Alfil 12 MT263375%
1.5/2
60%
6/10
  
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
CM10th Warrior2633 50%
3/6
83%
5/6
 
Gandalf 62632 59%
20/34
54%
21.5/40
57%
20.5/36
CM10th Default2631 63%
24/38
55%
17/31
58%
18/31
CM9000 Assassin263088%
3.5/4
62%
10/16
  
Crafty 23.0 32-bit2630100%
2/2
50%
2/4
  
WildCat 8262962%
2.5/4
42%
2.5/6
  
Hiarcs 92628  70%
21/30
53%
16/30
Arasan 13.4 32-bit2623100%
2/2
60%
6/10
  
Ruffian 2.1.02623 66%
33.5/51
33%
1/3
 
Bison 9.62619100%
4/4
50%
1/2
  
Hamsters 0.7261962%
2.5/4
50%
2/4
  
Hamsters 0.7.1261862%
2.5/4
75%
3/4
  
Slow Chess Blitz WV22615  48%
23.5/49
45%
14.5/32
Naum 1.91 32-bit2605 75%
1.5/2
63%
22/35
53%
15.5/29
Alfil 8.1.12601 71%
8.5/12
 50%
1/2
Delfi 5.02599 88%
3.5/4
25%
0.5/2
 
Chess Tiger 20042595  66%
16.5/25
41%
9.5/23
WildCat 62593 50%
2/4
50%
2.5/5
 
CuckooChess 1.12 32-bit259150%
1/2
80%
8/10
  
Pseudo 0.7c2591 58%
3.5/6
75%
1.5/2
 
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
ProDeo 1.12587 75%
1.5/2
0%
0/1
 
Godel 2.05 32-bit2578 70%
7/10
 50%
5/10
Frenzee 3.0 32-bit2577 100%
1/1
 75%
1.5/2
SOS 5.12563 100%
2/2
50%
0.5/1
 
Francesca MAD 0.19255775%
1.5/2
75%
7.5/10
  
Booot 4.12.12521 75%
1.5/2
 50%
1/2
Crafty 20.14 32-bit2516 67%
2/3
50%
1/2
 
Trace 1.37a2471 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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Rating list
Testing profile
  (Step: , Numbers: )

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 December 7, 2019