CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 9 engines!
9 selected engines played 50 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on November 16, 2019 with Bayeselo based on 2'132'153 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Bobcat 8.0 64-bit 4CPU3052+15−1547.1%+16.944.3%1458 
91.3%
 Bobcat 7.6 64-bit 4CPU3035+20−2043.7%+40.046.5%820
100.0%
 Bobcat 8.0 64-bit2957+10−1047.6%+14.137.9%3579
100.0%
 Bobcat 7.6 64-bit2911+14−1449.0%+6.738.2%1616
100.0%
 Bobcat 7.1 64-bit2854+17−1751.5%−13.932.5%1171
100.0%
 Bobcat 3.25 64-bit2712+10−1049.6%+3.235.4%3577
100.0%
 Bobcat 2.75 64-bit2676+13−1455.7%−42.534.0%1965
100.0%
 Bobcat 20110414 64-bit2584+30−2962.2%−92.029.7%418
69.3%
 Bobcat 20110220 64-bit2574+26−2658.5%−61.729.1%509
 

Results matrix

Custom engine selection
#NameElo123456789
1Bobcat 8.0 64-bit 4CPU3052         
2Bobcat 7.6 64-bit 4CPU3035         
3Bobcat 8.0 64-bit2957         
4Bobcat 7.6 64-bit2911         
5Bobcat 7.1 64-bit2854         
6Bobcat 3.25 64-bit2712      30.5 − 19.5
+15−4=31
+33
  
7Bobcat 2.75 64-bit2676     19.5 − 30.5
+4−15=31
−33
   
8Bobcat 20110414 64-bit2584         
9Bobcat 20110220 64-bit2574         
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
#NameElo123456789
1Bobcat 8.0 64-bit 4CPU3052 91.3100.0100.0100.0100.0100.0100.0100.0
2Bobcat 7.6 64-bit 4CPU30358.7 100.0100.0100.0100.0100.0100.0100.0
3Bobcat 8.0 64-bit29570.00.0 100.0100.0100.0100.0100.0100.0
4Bobcat 7.6 64-bit29110.00.00.0 100.0100.0100.0100.0100.0
5Bobcat 7.1 64-bit28540.00.00.00.0 100.0100.0100.0100.0
6Bobcat 3.25 64-bit27120.00.00.00.00.0 100.0100.0100.0
7Bobcat 2.75 64-bit26760.00.00.00.00.00.0 100.0100.0
8Bobcat 20110414 64-bit25840.00.00.00.00.00.00.0 69.3
9Bobcat 20110220 64-bit25740.00.00.00.00.00.00.030.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1Bobcat 8.0 64-bit 4CPU3052 92828400000
2Bobcat 7.6 64-bit 4CPU303592 0000000
3Bobcat 8.0 64-bit2957820 11194522333693
4Bobcat 7.6 64-bit29118401119 11242986400
5Bobcat 7.1 64-bit2854004521124 105638400
6Bobcat 3.25 64-bit2712002332981056 1260450
7Bobcat 2.75 64-bit26760036643841260 713358
8Bobcat 20110414 64-bit25840090045713 337
9Bobcat 20110220 64-bit2574003000358337 
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
#NameElo123456789
1Bobcat 8.0 64-bit 4CPU3052 4.01.62.70.00.00.00.00.0
2Bobcat 7.6 64-bit 4CPU30354.0 0.00.00.00.00.00.00.0
3Bobcat 8.0 64-bit29571.60.0 21.59.53.30.60.20.1
4Bobcat 7.6 64-bit29112.70.021.5 40.35.71.80.00.0
5Bobcat 7.1 64-bit28540.00.09.540.3 22.212.20.00.0
6Bobcat 3.25 64-bit27120.00.03.35.722.2 22.71.10.0
7Bobcat 2.75 64-bit26760.00.00.61.812.222.7 29.914.5
8Bobcat 20110414 64-bit25840.00.00.20.00.01.129.9 36.4
9Bobcat 20110220 64-bit25740.00.00.10.00.00.014.536.4 
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 79 common opponents

Custom engine selection
NameEloBobcat
8.0
64-bit
4CPU
Bobcat
7.6
64-bit
4CPU
Bobcat
8.0
64-bit
Bobcat
7.6
64-bit
Bobcat
7.1
64-bit
Bobcat
3.25
64-bit
Bobcat
2.75
64-bit
Bobcat
20110414
64-bit
Bobcat
20110220
64-bit
Protector 1.9.0 64-bit 4CPU312832%
13/40
41%
21.5/52
       
Texel 1.06 64-bit3095  26%
9.5/36
50%
2/4
     
Booot 6.1 64-bit3085  28%
10.5/37
25%
3/12
     
Protector 1.9.0 64-bit3085  22%
8.5/39
38%
1.5/4
     
iCE 3.0 64-bit3081  39%
14.5/37
50%
2/4
     
Pedone 1.5 64-bit3021  42%
15.5/37
38%
1.5/4
     
Senpai 1.0 64-bit3007  39%
14.5/37
40%
4/10
     
Hakkapeliitta 3.0 64-bit298460%
27.5/46
 43%
15.5/36
39%
15/38
     
Nemorino 2.00 64-bit2984  49%
17.5/36
34%
11/32
     
Arasan 19.2 64-bit2979  51%
18.5/36
40%
13.5/34
     
Vajolet2 2.2 64-bit2961  52%
16.5/32
44%
23/52
     
Cheng 4.39 64-bit2945  50%
0.5/1
56%
18/32
     
Crafty 25.2 64-bit2933  54%
19.5/36
47%
22.5/48
     
Spark 1.0 64-bit2927  50%
0.5/1
 41%
13/32
    
Wasp 1.25 64-bit2926  53%
19/36
39%
14/36
     
Booot 5.2.0 64-bit2922   44%
14/32
42%
12.5/30
15%
1.5/10
   
Spike 1.4 Leiden2921  50%
1/2
34%
11/32
44%
13.5/31
    
DiscoCheck 5.2.1 64-bit2914  67%
25.5/38
45%
17/38
41%
13/32
    
Rodent II 0.9.64 64-bit2905  54%
19.5/36
51%
18.5/36
     
Quazar 0.4 64-bit2901  50%
3/6
44%
36/81
39%
12.5/32
20%
4/20
   
NameEloBobcat
8.0
64-bit
4CPU
Bobcat
7.6
64-bit
4CPU
Bobcat
8.0
64-bit
Bobcat
7.6
64-bit
Bobcat
7.1
64-bit
Bobcat
3.25
64-bit
Bobcat
2.75
64-bit
Bobcat
20110414
64-bit
Bobcat
20110220
64-bit
Arasan 18.2 64-bit2900   50%
16/32
40%
11.5/29
    
Deep Junior Yokohama 64-bit2899   55%
17.5/32
60%
18.5/31
    
Crafty 25.0 64-bit2886   47%
15/32
39%
12.5/32
    
Thinker 5.4d Inert 64-bit2886   55%
17.5/32
55%
17.5/32
36%
2.5/7
   
Deuterium 14.3.34.130 64-bit2883  65%
24/37
43%
26.5/61
45%
14/31
    
Murka 3 64-bit2882   64%
32.5/51
45%
14/31
25%
2.5/10
   
Atlas 3.80 64-bit2875  70%
22.5/32
56%
18/32
42%
13.5/32
31%
9.5/31
   
Toga II 3.02875  78%
25/32
  32%
9.5/30
   
Gaviota 1.0 64-bit2873  67%
24/36
51%
18.5/36
55%
17.5/32
    
EXchess 7.88b 64-bit2871   47%
15/32
45%
14.5/32
    
MinkoChess 1.3 64-bit2870   66%
21/32
48%
15/31
19%
6/32
   
Dirty 3Nov2015 64-bit2868  0%
0/1
62%
32/52
47%
15/32
    
DisasterArea 1.65 64-bit2866  73%
27/37
56%
18/32
     
Nemo 1.0.1 64-bit2856  100%
2/2
58%
18.5/32
47%
15/32
30%
3/10
36%
11.5/32
  
Booot 5.1.02838     32%
15.5/49
23%
7.5/32
  
Rhetoric 1.4.3 64-bit2805  77%
24.5/32
 62%
20/32
    
Crafty 23.4 64-bit2781     36%
11.5/32
41%
13/32
  
Octochess r5190 64-bit2778  80%
25.5/32
 64%
20.5/32
44%
13.5/31
   
Rhetoric 1.4.1 64-bit2778    61%
19.5/32
50%
16/32
   
Scorpio 2.7 64-bit2775     48%
24/50
33%
10.5/32
  
NameEloBobcat
8.0
64-bit
4CPU
Bobcat
7.6
64-bit
4CPU
Bobcat
8.0
64-bit
Bobcat
7.6
64-bit
Bobcat
7.1
64-bit
Bobcat
3.25
64-bit
Bobcat
2.75
64-bit
Bobcat
20110414
64-bit
Bobcat
20110220
64-bit
Bright 0.5c2771  75%
1.5/2
 53%
17/32
39%
12.5/32
44%
14/32
  
ProDeo 2.22770  78%
28/36
70%
21/30
     
Twisted Logic 20090922 64-bit2770    53%
17/32
47%
15/32
44%
14/32
  
Frenzee 3.5.19 64-bit2769    62%
20.5/33
29%
11.5/40
   
Jonny 4.002763    58%
18.5/32
33%
17/52
47%
15/32
  
BugChess2 1.9 64-bit2758  0%
0/1
 58%
18.5/32
40%
23/57
31%
10/32
  
Mini Rodent 1.0 64-bit2746    64%
20.5/32
45%
14/31
   
Godel 3.4.9 64-bit2741  75%
1.5/2
 70%
22.5/32
41%
11/27
   
Chronos 1.9.9 64-bit2739  100%
1/1
 62%
20/32
44%
22/50
48%
15.5/32
  
ProDeo 2.02710    68%
20.5/30
48%
15.5/32
   
Delfi 5.42682  100%
2/2
   34%
11/32
  
Dirty 25Aug2011 64-bit2668     56%
18/32
50%
6/12
  
Alaric 7072663     50%
16/32
34%
7.5/22
47%
7/15
 
Colossus 2008b2642     58%
18/31
57%
12.5/22
  
Movei 00.8.438 (10 10 10)2623  100%
1/1
  52%
16/31
61%
19.5/32
  
WildCat 82623     58%
18.5/32
52%
16.5/32
  
Philou 3.7.1 64-bit2620     64%
35/55
60%
15/25
  
Rodent 0.12 64-bit2606     65%
15.5/24
69%
18.5/27
  
Amyan 1.722604  100%
1/1
   66%
22.5/34
60%
9/15
44%
14/32
Pharaon 3.5.12603      64%
14/22
47%
7/15
47%
15/32
NameEloBobcat
8.0
64-bit
4CPU
Bobcat
7.6
64-bit
4CPU
Bobcat
8.0
64-bit
Bobcat
7.6
64-bit
Bobcat
7.1
64-bit
Bobcat
3.25
64-bit
Bobcat
2.75
64-bit
Bobcat
20110414
64-bit
Bobcat
20110220
64-bit
GNU Chess 5.07.173b 64-bit2597     65%
6.5/10
62%
27.5/44
  
N2 0.4 64-bit2590      65%
22/34
33%
5/15
61%
19.5/32
Ruffian 1.0.52585      59%
13/22
53%
8/15
 
Arasan 13.2 64-bit2582     70%
35/50
72%
31.5/44
  
Pseudo 0.7c2576  100%
1/1
   59%
13/22
43%
6.5/15
 
SOS 5.12573      52%
11.5/22
47%
7/15
 
Aristarch 4.502566      61%
13.5/22
63%
9.5/15
 
Philou 3.602551      64%
21/33
58%
11.5/20
60%
6/10
Hermann 2.6 64-bit2540      62%
7.5/12
43%
6.5/15
41%
9/22
Ufim 8.022540  100%
1/1
   83%
10/12
67%
10/15
 
AnMon 5.752539      64%
14/22
50%
7.5/15
50%
16/32
SmarThink 0.17a2537      61%
13.5/22
57%
8.5/15
 
Hermann 2.8 64-bit2531      68%
23/34
68%
9.5/14
 
Yace 0.99.872503      77%
17/22
57%
8.5/15
 
Tao 5.62486      84%
18.5/22
80%
12/15
 
Abrok 5.02435      80%
17.5/22
63%
9.5/15
66%
21/32
Gaia 3.5 64-bit2425       60%
9/15
62%
20/32
Nejmet 3.072425      80%
17.5/22
73%
11/15
 
Delphil 2.72422      80%
17.5/22
75%
7.5/10
 
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%

Alter engine selection



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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

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in Elo range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
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  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019