CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

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 Intel CPU.
Computed on August 17, 2019 with Bayeselo based on 1'075'629 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 92755+12−1346.9%+19.239.0%2200 
100.0%
 Ktulu 82705+9−945.0%+33.736.0%4399
100.0%
 Ktulu 7.52663+16−1645.1%+34.035.4%1405
98.4%
 Ktulu 7.12638+18−1845.0%+34.034.2%1008
 

Results matrix

Custom engine selection
#NameElo1234
1Ktulu 92755    
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
−80
4Ktulu 7.12638  18 − 12
+8−2=20
+80
 
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 92755 100.0100.0100.0
2Ktulu 827050.0 100.0100.0
3Ktulu 7.526630.00.0 98.4
4Ktulu 7.126380.00.01.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Ktulu 92755 11803218
2Ktulu 827051180 1199890
3Ktulu 7.52663321199 1751
4Ktulu 7.12638188901751 
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 92755 17.90.90.6
2Ktulu 8270517.9 20.716.5
3Ktulu 7.526630.920.7 72.6
4Ktulu 7.126380.616.572.6 
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 108 common opponents

Custom engine selection
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
Rybka 1.2 32-bit2870 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
  
Deep Shredder 10 64-bit 4CPU2832 31%
9.5/31
22%
6.5/29
 
Shredder 11283232%
9.5/30
21%
7/34
  
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 2007279638%
1.5/4
38%
11.5/30
  
Atlas 3.70em 64-bit278875%
1.5/2
25%
1/4
  
Rybka 1.0 32-bit2787 28%
11/40
22%
8/37
33%
10/30
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
 
Junior 10274450%
2/4
54%
22/41
38%
23/60
25%
7.5/30
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
Fritz 92742 46%
22/48
34%
12/35
33%
10/30
Fruit 2.2.12742 43%
22.5/52
23%
8.5/37
25%
7.5/30
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 Hypermodern2718  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 Conqueror269855%
11/20
45%
4.5/10
  
Frenzee Feb08 32-bit269570%
7/10
49%
17.5/36
  
Rhetoric 1.2 64-bit269575%
1.5/2
35%
3.5/10
  
Chessmaster 11 Archangel269453%
8.5/16
50%
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
K2 0.95268862%
2.5/4
50%
5/10
  
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 Leonidas268166%
10.5/16
58%
15/26
  
Zap!Chess Paderborn 32-bit2681 25%
1/4
48%
13.5/28
28%
8.5/30
Chessmaster 11 Toxic267958%
7/12
50%
8/16
  
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-bit266850%
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
CM10th Xperience2661 59%
10/17
35%
11/31
38%
11.5/30
Alaric 707266075%
9/12
59%
24/41
  
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-bit265867%
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
  
Rotor 0.7a264675%
1.5/2
  60%
6/10
CM10th Ogre264538%
1.5/4
88%
3.5/4
42%
2.5/6
 
CM10th Magic II2643 50%
2.5/5
51%
20/39
75%
1.5/2
Colossus 2008b264388%
7/8
44%
3.5/8
  
Scorpio 1.82641 75%
3/4
50%
1/2
 
Chronos 1.9.7264079%
5.5/7
75%
1.5/2
  
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 62633 59%
20/34
54%
21.5/40
57%
20.5/36
CM10th Default2632 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
 
Hamsters 0.7262062%
2.5/4
50%
2/4
  
Bison 9.62619100%
4/4
50%
1/2
  
Hamsters 0.7.1261962%
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
 
Pseudo 0.7c2591 58%
3.5/6
75%
1.5/2
 
CuckooChess 1.12 32-bit259050%
1/2
80%
8/10
  
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 0.19255875%
1.5/2
75%
7.5/10
  
Booot 4.12.12516 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 August 17, 2019