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 4 engines!
4 selected engines played 70 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+
1Ktulu 92752+12−1246.6%+21.239.2%2280 
100.0%
 Ktulu 82706+9−945.8%+27.835.9%4583
100.0%
 Ktulu 7.52663+15−1546.0%+27.634.9%1501
98.8%
 Ktulu 7.12638+18−1846.5%+23.834.2%1092
 

Results matrix

Custom engine selection
#NameElo1234
1Ktulu 92752    
2Ktulu 82706  21.5 − 18.5
+12−9=19
−19
 
3Ktulu 7.52663 18.5 − 21.5
+9−12=19
+19
 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 92752 100.0100.0100.0
2Ktulu 827060.0 100.0100.0
3Ktulu 7.526630.00.0 98.8
4Ktulu 7.126380.00.01.2 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Ktulu 92752 11963218
2Ktulu 827061196 1221890
3Ktulu 7.52663321221 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 92752 17.40.80.5
2Ktulu 8270617.4 20.115.7
3Ktulu 7.526630.820.1 67.5
4Ktulu 7.126380.515.767.5 
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 111 common opponents

Custom engine selection
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
Rybka 1.2 32-bit2867 21%
9/43
17%
5/30
 
Rybka 1.1 32-bit2855 32%
13/40
23%
7/31
15%
4.5/30
Fritz 11285143%
13/30
28%
14/50
  
Deep Shredder 11 64-bit284228%
8.5/30
50%
0.5/1
  
Shredder 11283132%
9.5/30
21%
7/34
  
Deep Shredder 10 64-bit 4CPU2830 31%
9.5/31
22%
6.5/29
 
Deep Sjeng WC2008 32-bit282440%
12/30
50%
1/2
  
Rybka 1.0 64-bit2824  35%
9.5/27
30%
9/30
Hiarcs 12.1281640%
12/30
0%
0/2
  
Zappa Mexico II 32-bit280842%
12.5/30
28%
9/32
  
Hiarcs Paderborn 2007279438%
1.5/4
38%
11.5/30
  
Atlas 3.70em 64-bit278675%
1.5/2
25%
1/4
  
Rybka 1.0 32-bit2786 28%
11/40
22%
8/37
33%
10/30
Bright 0.4a277561%
19.5/32
75%
1.5/2
  
Loop 13.6 (Loop 2007) 32-bit277251%
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 Turin274456%
22.5/40
38%
25.5/68
  
Fruit 2.2.12743 43%
22.5/52
23%
8.5/37
25%
7.5/30
Hiarcs X502743 50%
4/8
35%
11/31
 
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-bit2734100%
2/2
65%
6.5/10
  
Toga II 1.1a 32-bit2730  29%
10/34
28%
8/29
Twisted Logic 20090922 32-bit272950%
2/4
25%
0.5/2
  
Godel 3.4.9 64-bit272656%
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 2007.1270363%
33/52
58%
29/50
  
Chessmaster 11 Archangel270153%
8.5/16
50%
5/10
  
Pawny 1.1 64-bit270133%
2/6
50%
5/10
  
Fritz 8 Bilbao2700 49%
21.5/44
50%
0.5/1
 
DanaSah 8.326960%
0/2
67%
12/18
  
Chessmaster 11 Conqueror269455%
11/20
45%
4.5/10
  
Frenzee Feb08 32-bit269470%
7/10
49%
17.5/36
  
Rhetoric 1.2 64-bit269475%
1.5/2
35%
3.5/10
  
Booot 4.15.0269250%
2/4
52%
13.5/26
  
Chessmaster 11 Aiglos II269252%
10.5/20
54%
6.5/12
  
Delfi 5.4268964%
7/11
38%
6/16
  
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
Spike 1.12689 100%
1/1
53%
19/36
33%
9.5/29
Tornado 4.87a 32-bit268550%
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
  
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
  
Cheese 1.7 64-bit267850%
1/2
55%
5.5/10
  
Tucano 5.00 64-bit267838%
1.5/4
80%
8/10
  
Junior 92676 100%
2/2
56%
20/36
45%
13.5/30
Zap!Chess Paderborn SE 32-bit2670 62%
2.5/4
100%
1/1
 
ChessBrainVB 2.05266875%
3/4
92%
5.5/6
58%
3.5/6
 
Djinn 1.021 64-bit266750%
3/6
44%
3.5/8
  
Movei 00.8.438 (10 10 10)266657%
8/14
58%
22.5/39
  
SmarThink 1.00 32-bit2665 50%
4/8
45%
18/40
40%
24/60
Chessmaster 11266475%
1.5/2
62%
32.5/52
  
Ktulu 7.52663 54%
21.5/40
 60%
18/30
K2 0.95266262%
2.5/4
50%
5/10
  
Alaric 707266075%
9/12
59%
24/41
  
CM10th Xperience2660 59%
10/17
35%
11/31
38%
11.5/30
Frenzee Dec07 32-bit265962%
2.5/4
42%
2.5/6
  
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
RedQueen 1.1.97 64-bit2659100%
2/2
55%
5.5/10
  
BugChess2 1.6.4 32-bit265767%
14/21
100%
1/1
  
Glaurung 1.2.1 32-bit2655 51%
25/49
50%
0.5/1
 
CM10th Ogre265338%
1.5/4
88%
3.5/4
42%
2.5/6
 
Djinn 1.010 64-bit265250%
1/2
60%
6/10
  
Rotor 0.7a265175%
1.5/2
  60%
6/10
Spike 1.0a2650  49%
16.5/34
45%
13.5/30
E.T. Chess 13.01.08264975%
10.5/14
66%
10.5/16
  
Cyrano 0.6b17 32-bit264875%
1.5/2
55%
5.5/10
  
Drosophila 1.6 64-bit264850%
1/2
45%
4.5/10
  
Movei 00.8.4382646100%
2/2
64%
21/33
  
CM10th Pestilence2644 55%
5.5/10
50%
1/2
 
CM10th Magic II2643 50%
2.5/5
51%
20/39
75%
1.5/2
Colossus 2008b264388%
7/8
44%
3.5/8
  
Scorpio 1.82640 75%
3/4
50%
1/2
 
Chronos 1.9.7263979%
5.5/7
75%
1.5/2
  
ProDeo 1.74263775%
1.5/2
50%
1/2
  
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
RedQueen 1.0.0 32-bit263662%
2.5/4
50%
5/10
  
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
CM10th Warrior2635 50%
3/6
83%
5/6
 
Gandalf 62634 59%
20/34
54%
21.5/40
57%
20.5/36
Glaurung 1.0.2 32-bit2634  58%
21/36
64%
20.5/32
CM9000 Assassin263388%
3.5/4
62%
10/16
  
Alfil 12 MT263275%
1.5/2
60%
6/10
  
CM10th Default2630 63%
24/38
55%
17/31
58%
18/31
Crafty 23.0 32-bit2629100%
2/2
50%
2/4
  
Hiarcs 92628  70%
21/30
53%
16/30
WildCat 8262862%
2.5/4
42%
2.5/6
  
Ruffian 2.1.02623 66%
33.5/51
33%
1/3
 
Arasan 13.4 32-bit2622100%
2/2
60%
6/10
  
Bison 9.62619100%
4/4
50%
1/2
  
Hamsters 0.7261762%
2.5/4
50%
2/4
  
Hamsters 0.7.1261762%
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 8.1.12600 71%
8.5/12
 50%
1/2
Delfi 5.02599 88%
3.5/4
25%
0.5/2
 
KnightX 2.4 64-bit2597 69%
5.5/8
64%
9/14
 
Chess Tiger 20042595  66%
16.5/25
41%
9.5/23
NameEloKtulu
9
Ktulu
8
Ktulu
7.5
Ktulu
7.1
WildCat 62594 50%
2/4
50%
2.5/5
 
Pseudo 0.7c2591 58%
3.5/6
75%
1.5/2
 
ProDeo 1.12588 75%
1.5/2
0%
0/1
 
CuckooChess 1.12 32-bit258450%
1/2
80%
8/10
  
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 4.12.12521 75%
1.5/2
 50%
1/2
Crafty 20.14 32-bit2517 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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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 May 8, 2021