CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
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 October 19, 2019 with Bayeselo based on 2'120'567 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 
91.4%
 Bobcat 7.6 64-bit 4CPU3035+20−2043.7%+39.846.5%820
100.0%
 Bobcat 8.0 64-bit2958+10−1047.5%+13.937.7%3515
100.0%
 Bobcat 7.6 64-bit2911+14−1449.0%+6.338.2%1616
100.0%
 Bobcat 7.1 64-bit2853+17−1751.5%−13.432.5%1171
100.0%
 Bobcat 3.25 64-bit2712+10−1049.6%+2.835.4%3577
100.0%
 Bobcat 2.75 64-bit2675+14−1455.7%−41.834.0%1965
100.0%
 Bobcat 20110414 64-bit2584+30−2962.2%−92.229.7%418
69.3%
 Bobcat 20110220 64-bit2574+26−2658.5%−62.129.1%509
 

Results matrix

Custom engine selection
#NameElo123456789
1Bobcat 8.0 64-bit 4CPU3052         
2Bobcat 7.6 64-bit 4CPU3035         
3Bobcat 8.0 64-bit2958         
4Bobcat 7.6 64-bit2911         
5Bobcat 7.1 64-bit2853         
6Bobcat 3.25 64-bit2712      30.5 − 19.5
+15−4=31
+32
  
7Bobcat 2.75 64-bit2675     19.5 − 30.5
+4−15=31
−32
   
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 91.4100.0100.0100.0100.0100.0100.0100.0
2Bobcat 7.6 64-bit 4CPU30358.6 100.0100.0100.0100.0100.0100.0100.0
3Bobcat 8.0 64-bit29580.00.0 100.0100.0100.0100.0100.0100.0
4Bobcat 7.6 64-bit29110.00.00.0 100.0100.0100.0100.0100.0
5Bobcat 7.1 64-bit28530.00.00.00.0 100.0100.0100.0100.0
6Bobcat 3.25 64-bit27120.00.00.00.00.0 100.0100.0100.0
7Bobcat 2.75 64-bit26750.00.00.00.00.00.0 100.0100.0
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-bit2958820 11194522333693
4Bobcat 7.6 64-bit29118401119 11242986400
5Bobcat 7.1 64-bit2853004521124 105638400
6Bobcat 3.25 64-bit2712002332981056 1260450
7Bobcat 2.75 64-bit26750036643841260 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-bit29581.60.0 21.89.63.30.70.20.1
4Bobcat 7.6 64-bit29112.70.021.8 40.35.71.80.00.0
5Bobcat 7.1 64-bit28530.00.09.640.3 22.212.20.00.0
6Bobcat 3.25 64-bit27120.00.03.35.722.2 22.71.10.0
7Bobcat 2.75 64-bit26750.00.00.71.812.222.7 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-bit3094  26%
9.5/36
50%
2/4
     
Booot 6.1 64-bit3085  28%
10.5/37
25%
3/12
     
Protector 1.9.0 64-bit3084  22%
8.5/39
38%
1.5/4
     
iCE 3.0 64-bit3080  39%
14.5/37
50%
2/4
     
Pedone 1.5 64-bit3020  42%
15.5/37
38%
1.5/4
     
Senpai 1.0 64-bit3006  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-bit2946  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-bit2925  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-bit2913  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-bit2900  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-bit2899   50%
16/32
40%
11.5/29
    
Deep Junior Yokohama 64-bit2897   55%
17.5/32
60%
18.5/31
    
Crafty 25.0 64-bit2885   47%
15/32
39%
12.5/32
    
Thinker 5.4d Inert 64-bit2885   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-bit2881   64%
32.5/51
45%
14/31
25%
2.5/10
   
Toga II 3.02875  78%
25/32
  32%
9.5/30
   
Atlas 3.80 64-bit2874  70%
22.5/32
56%
18/32
42%
13.5/32
31%
9.5/31
   
Gaviota 1.0 64-bit2872  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-bit2869   66%
21/32
48%
15/31
19%
6/32
   
Dirty 3Nov2015 64-bit2867  0%
0/1
62%
32/52
47%
15/32
    
DisasterArea 1.65 64-bit2865  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-bit2804  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 4.002762    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 2.02709    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 2008b2641     58%
18/31
57%
12.5/22
  
WildCat 82623     58%
18.5/32
52%
16.5/32
  
Movei 00.8.438 (10 10 10)2622  100%
1/1
  52%
16/31
61%
19.5/32
  
Philou 3.7.1 64-bit2619     64%
35/55
60%
15/25
  
Rodent 0.12 64-bit2606     65%
15.5/24
69%
18.5/27
  
Amyan 1.722603  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 0.7c2575  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 5.752538      64%
14/22
50%
7.5/15
50%
16/32
SmarThink 0.17a2536      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 2.72421      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



Alter output selection

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 October 19, 2019