CCRL 40/4
Downloads and Statistics
June 22, 2019
Testing summary:
Total: 2'052'494 games
played by 2'371 programs
27529 CPU days (X2 4600+)

White wins: 797'533 (38.9%)
Black wins: 645'585 (31.5%)
Draws: 609'376 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 11 engines!
11 selected engines played 0 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 Intel CPU.
Computed on June 22, 2019 with Bayeselo based on 2'052'494 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+
1Dirty CUCUMBER 64-bit2929+17−1747.7%+16.632.8%1125 
100.0%
 Dirty 3Nov2015 64-bit2867+14−1449.2%+5.234.2%1753
58.1%
 Dirty 30Apr2017 64-bit2864+21−2147.6%+14.034.6%769
100.0%
 Dirty 10Apr2015 64-bit2808+17−1750.1%−1.630.3%1148
100.0%
 Dirty 20Apr2013 64-bit2761+13−1347.4%+16.433.0%2197
97.5%
 Dirty 05Sep2012 64-bit2740+17−1748.5%+7.632.0%1224
100.0%
 Dirty 25Aug2011 64-bit2668+14−1453.6%−24.626.4%1878
99.5%
 Dirty 24Apr2011 64-bit2638+18−1851.4%−10.932.6%1050
100.0%
 Dirty 11D-272542+16−1651.4%−10.529.5%1478
99.9%
 Dirty 6J-222513+13−1252.3%−17.128.0%2337
100.0%
 Dirty ACCA32368+15−1551.5%−17.126.2%1762
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Dirty CUCUMBER 64-bit2929           
2Dirty 3Nov2015 64-bit2867           
3Dirty 30Apr2017 64-bit2864           
4Dirty 10Apr2015 64-bit2808           
5Dirty 20Apr2013 64-bit2761           
6Dirty 05Sep2012 64-bit2740           
7Dirty 25Aug2011 64-bit2668           
8Dirty 24Apr2011 64-bit2638           
9Dirty 11D-272542           
10Dirty 6J-222513           
11Dirty ACCA32368           
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
#NameElo1234567891011
1Dirty CUCUMBER 64-bit2929 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Dirty 3Nov2015 64-bit28670.0 58.1100.0100.0100.0100.0100.0100.0100.0100.0
3Dirty 30Apr2017 64-bit28640.041.9 100.0100.0100.0100.0100.0100.0100.0100.0
4Dirty 10Apr2015 64-bit28080.00.00.0 100.0100.0100.0100.0100.0100.0100.0
5Dirty 20Apr2013 64-bit27610.00.00.00.0 97.5100.0100.0100.0100.0100.0
6Dirty 05Sep2012 64-bit27400.00.00.00.02.5 100.0100.0100.0100.0100.0
7Dirty 25Aug2011 64-bit26680.00.00.00.00.00.0 99.5100.0100.0100.0
8Dirty 24Apr2011 64-bit26380.00.00.00.00.00.00.5 100.0100.0100.0
9Dirty 11D-2725420.00.00.00.00.00.00.00.0 99.9100.0
10Dirty 6J-2225130.00.00.00.00.00.00.00.00.1 100.0
11Dirty ACCA323680.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Dirty CUCUMBER 64-bit2929 6226736247133123330
2Dirty 3Nov2015 64-bit2867622 10308857684476887600
3Dirty 30Apr2017 64-bit28646731030 14545426418779150
4Dirty 10Apr2015 64-bit28086885145 11916343781280620
5Dirty 20Apr2013 64-bit27612477684541191 10205133060580
6Dirty 05Sep2012 64-bit27401334472646341020 8632440580
7Dirty 25Aug2011 64-bit2668126818378513863 9608969270
8Dirty 24Apr2011 64-bit263838777128306244960 56387064
9Dirty 11D-272542369000896563 2422299
10Dirty 6J-22251330156258589278702422 791
11Dirty ACCA32368000000064299791 
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
#NameElo1234567891011
1Dirty CUCUMBER 64-bit2929 21.635.50.37.45.70.40.10.10.10.0
2Dirty 3Nov2015 64-bit286721.6 40.830.519.415.01.93.10.20.00.0
3Dirty 30Apr2017 64-bit286435.540.8 7.615.313.20.74.20.40.50.0
4Dirty 10Apr2015 64-bit28080.330.57.6 35.626.712.55.80.01.80.0
5Dirty 20Apr2013 64-bit27617.419.415.335.6 29.812.69.40.01.30.0
6Dirty 05Sep2012 64-bit27405.715.013.226.729.8 27.810.70.01.60.0
7Dirty 25Aug2011 64-bit26680.41.90.712.512.627.8 32.826.722.00.0
8Dirty 24Apr2011 64-bit26380.13.14.25.89.410.732.8 22.325.72.3
9Dirty 11D-2725420.10.20.40.00.00.026.722.3 63.59.2
10Dirty 6J-2225130.10.00.51.81.31.622.025.763.5 19.3
11Dirty ACCA323680.00.00.00.00.00.00.02.39.219.3 
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 137 common opponents

Custom engine selection
NameEloDirty
CUCUMBER
64-bit
Dirty
3Nov2015
64-bit
Dirty
30Apr2017
64-bit
Dirty
10Apr2015
64-bit
Dirty
20Apr2013
64-bit
Dirty
05Sep2012
64-bit
Dirty
25Aug2011
64-bit
Dirty
24Apr2011
64-bit
Dirty
11D-27
Dirty
6J-22
Dirty
ACCA3
Hannibal 1.7 64-bit3110 0%
0/1
0%
0/2
        
chess22k 1.11 64-bit303131%
10/32
 50%
0.5/1
        
Hakkapeliitta TCEC v2 64-bit302339%
13/33
 0%
0/2
        
Senpai 1.0 64-bit3007 0%
0/1
0%
0/1
        
Bobcat 8.0 64-bit296044%
14/32
100%
1/1
25%
0.5/2
        
Amoeba 2.8 64-bit295247%
15.5/33
 50%
0.5/1
        
Laser 1.3 64-bit2950 0%
0/2
33%
9.5/29
        
Cheng 4.39 64-bit294342%
13.5/32
36%
11.5/32
42%
14/33
        
Crafty 25.2 64-bit293462%
20/32
50%
0.5/1
25%
8/32
        
Spark 1.0 64-bit292761%
19.5/32
39%
13/33
23%
7.5/32
        
Atlas 3.91 64-bit292644%
14/32
 75%
1.5/2
        
iCE 2.0 64-bit2924 53%
17/32
  23%
3.5/15
      
Spike 1.4 Leiden292155%
18/33
39%
12.5/32
41%
13.5/33
 19%
2.5/13
22%
7/32
     
DiscoCheck 5.2.1 64-bit2913 35%
10.5/30
42%
13.5/32
        
EXchess 7.97b 64-bit291150%
16/32
44%
23.5/54
55%
17.5/32
        
Vajolet2 2.0 64-bit2906 47%
15/32
 30%
9.5/32
       
Zurichess Neuchatel 64-bit290047%
15/32
 100%
1/1
        
Quazar 0.4 64-bit2899 42%
22/52
50%
16.5/33
 34%
5.5/16
30%
6/20
 19%
6/32
   
Daydreamer 2.0.0-pre2 64-bit289755%
17.5/32
 25%
0.5/2
        
Deep Junior Yokohama 64-bit289742%
13.5/32
53%
17/32
34%
11/32
 26%
7.5/29
      
NameEloDirty
CUCUMBER
64-bit
Dirty
3Nov2015
64-bit
Dirty
30Apr2017
64-bit
Dirty
10Apr2015
64-bit
Dirty
20Apr2013
64-bit
Dirty
05Sep2012
64-bit
Dirty
25Aug2011
64-bit
Dirty
24Apr2011
64-bit
Dirty
11D-27
Dirty
6J-22
Dirty
ACCA3
Thinker 5.4d Inert 64-bit288563%
19.5/31
55%
17/31
44%
14/32
 17%
3/18
37%
11.5/31
     
Deep Junior 13.3 64-bit2884     39%
12.5/32
19%
6/32
    
Deuterium 14.3.34.130 64-bit2882 48%
15.5/32
47%
15/32
        
Murka 3 64-bit288167%
21.5/32
47%
21/45
80%
17.5/22
        
Atlas 3.80 64-bit2874 53%
17/32
48%
15/31
36%
11.5/32
40%
12.5/31
      
The Baron 3.43 64-bit287361%
19.5/32
 50%
0.5/1
        
Gaviota 1.0 64-bit287261%
19.5/32
47%
15/32
58%
18.5/32
        
MinkoChess 1.3 64-bit286856%
18/32
41%
13/32
42%
13.5/32
 31%
18.5/60
      
DisasterArea 1.65 64-bit2864 47%
15/32
43%
14.5/34
        
EXchess 7.71b 64-bit2859 55%
17.5/32
 43%
26.5/61
       
Nemo 1.0.1 64-bit2856 52%
16.5/32
61%
20/33
50%
15.5/31
33%
17/51
45%
14.5/32
     
Onno 1.2.70 64-bit2845 40%
12.5/31
 33%
10.5/32
47%
14.5/31
39%
12.5/32
     
Arasan 17.5 64-bit2844 42%
13.5/32
 47%
15/32
       
Zappa Mexico II 64-bit2843 65%
21.5/33
50%
0.5/1
50%
16/32
57%
17/30
37%
11.5/31
     
MinkoChess 1.2 64-bit2842     30%
9.5/32
22%
7/32
    
Rodent 1.7 64-bit2829 53%
17/32
 38%
12/32
       
Tornado 8.0 64-bit2826 48%
15.5/32
50%
0.5/1
        
Crafty 23.8 64-bit2824 66%
20.5/31
 47%
15/32
39%
3.5/9
      
DisasterArea 1.542810 62%
20/32
 42%
13.5/32
39%
12.5/32
      
Tornado 4.88 64-bit2810    30%
3/10
50%
5/10
     
NameEloDirty
CUCUMBER
64-bit
Dirty
3Nov2015
64-bit
Dirty
30Apr2017
64-bit
Dirty
10Apr2015
64-bit
Dirty
20Apr2013
64-bit
Dirty
05Sep2012
64-bit
Dirty
25Aug2011
64-bit
Dirty
24Apr2011
64-bit
Dirty
11D-27
Dirty
6J-22
Dirty
ACCA3
Tornado 7.0 64-bit2809 67%
21.5/32
 53%
26/49
       
GNU Chess 5.60 64-bit2808 53%
17/32
 52%
16.5/32
39%
12/31
      
Gaviota 0.86 64-bit2799    42%
32/77
42%
17.5/42
     
Loop 13.6 (Loop 2007) 64-bit2795 62%
20/32
 58%
18.5/32
 44%
14/32
43%
11.5/27
    
Crafty 23.5 64-bit2794    41%
11.5/28
40%
4/10
     
Tornado 6.0 64-bit2783   52%
16.5/32
56%
18/32
      
Crafty 23.4 64-bit2781     44%
13.5/31
39%
12/31
    
Ktulu 92781   55%
17.5/32
54%
15/28
38%
12/32
     
Rhetoric 1.4.1 64-bit2778   48%
15.5/32
58%
17.5/30
      
Octochess r5190 64-bit2777   48%
15/31
46%
18/39
      
Pedone 1.1 64-bit2774   61%
19.5/32
40%
12.5/31
      
Bright 0.5c2772  0%
0/1
53%
17/32
29%
9/31
      
Twisted Logic 20090922 64-bit2770   64%
20.5/32
47%
14/30
38%
12/32
20%
6.5/32
    
Frenzee 3.5.19 64-bit2768  100%
1/1
45%
14.5/32
51%
23.5/46
48%
15.5/32
35%
11/31
17%
5.5/32
   
Jonny 4.002762100%
1/1
 75%
1.5/2
62%
20/32
45%
12.5/28
38%
10.5/28
38%
12/32
  27%
8/30
 
Bison 9.11 64-bit276150%
0.5/1
 100%
1/1
   53%
17/32
    
BugChess2 1.9 64-bit2759100%
1/1
25%
0.5/2
 59%
19/32
52%
15/29
59%
19/32
30%
9.5/32
    
SmarThink 1.20 64-bit2747    53%
15.5/29
48%
15.5/32
 41%
13/32
   
Godel 3.4.9 64-bit2741 100%
1/1
 77%
24.5/32
58%
18/31
      
Chronos 1.9.9 64-bit2739  100%
1/1
48%
15.5/32
62%
18/29
56%
18/32
42%
13.5/32
36%
11.5/32
   
NameEloDirty
CUCUMBER
64-bit
Dirty
3Nov2015
64-bit
Dirty
30Apr2017
64-bit
Dirty
10Apr2015
64-bit
Dirty
20Apr2013
64-bit
Dirty
05Sep2012
64-bit
Dirty
25Aug2011
64-bit
Dirty
24Apr2011
64-bit
Dirty
11D-27
Dirty
6J-22
Dirty
ACCA3
Gaviota 0.85.1 64-bit2728     38%
7.5/20
28%
9/32
    
EXchess 7.03b 64-bit2725    61%
19.5/32
30%
3/10
     
Chess Tiger 2007.12714    46%
12/26
  38%
12/32
   
Bobcat 3.25 64-bit2712    55%
20.5/37
40%
4/10
44%
14/32
    
ProDeo 1.812699     39%
7.5/19
57%
12.5/22
    
Arasan 15.1 64-bit2693    58%
17.5/30
 36%
11.5/32
    
Gaviota 0.84 64-bit2687      58%
7/12
39%
12.5/32
   
Delfi 5.42683    62%
18/29
 50%
16/32
    
Daydreamer 1.75 64-bit2672      55%
17.5/32
 28%
8.5/30
  
Alaric 70726630%
0/1
0%
0/1
    53%
17/32
42%
13.5/32
41%
13/32
  
Cheng3 1.07 64-bit2661     55%
5.5/10
55%
17.5/32
    
Colossus 2008b2641  100%
1/1
   55%
17.5/32
56%
18/32
   
Cyrano 0.6b17 64-bit2641        26%
8/31
28%
8.5/30
 
E.T. Chess 13.01.082634      53%
17/32
44%
14/32
 20%
6/30
 
Alfil 8.1.1 Optimized2625      58%
18.5/32
42%
13/31
39%
12/31
30%
9/30
 
Movei 00.8.438 (10 10 10)2623      56%
18/32
48%
15.5/32
 35%
10.5/30
 
WildCat 82623      50%
16/32
50%
16/32
 33%
9.5/29
 
Philou 3.7.1 64-bit2620    64%
4.5/7
71%
20.5/29
     
Godel 2.3.7 64-bit2618     90%
9/10
67%
21.5/32
    
Rotor 0.7a2618     60%
12/20
59%
19/32
    
NameEloDirty
CUCUMBER
64-bit
Dirty
3Nov2015
64-bit
Dirty
30Apr2017
64-bit
Dirty
10Apr2015
64-bit
Dirty
20Apr2013
64-bit
Dirty
05Sep2012
64-bit
Dirty
25Aug2011
64-bit
Dirty
24Apr2011
64-bit
Dirty
11D-27
Dirty
6J-22
Dirty
ACCA3
Sloppy 0.2.2 64-bit2617      68%
21/31
58%
18.5/32
38%
11.5/30
47%
14/30
 
Slow Chess Blitz WV2.12615      61%
19.5/32
56%
18/32
55%
16.5/30
30%
9/30
 
Rotor 0.82613  100%
1/1
  50%
5/10
     
Deuterium 10.01.27.2132609       55%
17.5/32
34%
11/32
38%
11/29
 
RedQueen 1.1.1 64-bit2609     100%
14/14
56%
18/32
    
Amyan 1.722604      56%
24.5/44
53%
17/32
38%
11.5/30
50%
15/30
 
Pharaon 3.5.12604      61%
19.5/32
 26%
8/31
  
Zappa 1.1 64-bit2604      56%
17.5/31
 24%
7.5/31
  
GNU Chess 5.07.173b 64-bit2597     85%
8.5/10
58%
7/12
    
N2 0.4 64-bit2590      55%
24/44
 36%
11.5/32
33%
10/30
 
Ruffian 1.0.52585      53%
16.5/31
 37%
11/30
43%
12.5/29
 
Pseudo 0.7c2575      57%
17/30
 44%
13.5/31
47%
14/30
 
SOS 5.12575      75%
18/24
 45%
13.5/30
45%
13.5/30
 
Rotor 0.62573      56%
24.5/44
47%
15/32
 47%
15/32
 
Aristarch 4.502566        36%
10.5/29
33%
10/30
 
Petir 4.392566      62%
7.5/12
 50%
15.5/31
  
Deuterium 09.01.26.4922561         43%
13/30
23%
7/30
Brutus 8.05 64-bit2556 100%
1/1
      53%
16.5/31
  
Glass 1.7 64-bit2556      67%
8/12
56%
18/32
   
The Baron 2.23 64-bit2555      63%
19.5/31
47%
15/32
53%
16/30
38%
11.5/30
 
NameEloDirty
CUCUMBER
64-bit
Dirty
3Nov2015
64-bit
Dirty
30Apr2017
64-bit
Dirty
10Apr2015
64-bit
Dirty
20Apr2013
64-bit
Dirty
05Sep2012
64-bit
Dirty
25Aug2011
64-bit
Dirty
24Apr2011
64-bit
Dirty
11D-27
Dirty
6J-22
Dirty
ACCA3
Ktulu 4.22545        35%
11/31
46%
13/28
 
Arasan 12.0 64-bit2543       74%
23/31
 44%
14/32
 
AnMon 5.752539       67%
21.5/32
42%
12.5/30
45%
13.5/30
31%
10/32
Ufim 8.022539  100%
1/1
    61%
19.5/32
45%
14/31
50%
15/30
 
SmarThink 0.17a2537        52%
15/29
40%
12/30
 
Philou 3.52534       61%
19.5/32
 47%
15/32
 
Gaviota 0.80 64-bit2533        58%
18.5/32
36%
10.5/29
 
Hermann 2.8 64-bit2531      75%
9/12
67%
21.5/32
   
Hermann 2.5 64-bit2512        52%
16/31
53%
16/30
 
Pupsi2 0.082507      71%
8.5/12
 58%
17.5/30
55%
17/31
 
Green Light Chess 3.01.2.22505        64%
20.5/32
48%
14.5/30
 
Little Goliath Evolution 3.122505        56%
18/32
53%
16/30
 
Yace 0.99.872503  100%
1/1
     43%
13/30
50%
15/30
 
Trace 1.37a2500        68%
20.5/30
48%
14.5/30
 
Pepito 1.59 32-bit2493        60%
18/30
45%
13.5/30
38%
4.5/12
Bruja 1.9.1 64-bit2490        58%
18/31
42%
12.5/30
 
Tao 5.62485        55%
16/29
65%
19.5/30
 
Cerebro 3.03d2471        69%
21.5/31
47%
14/30
38%
16.5/44
Kiwi 0.6d 64-bit2468  100%
1/1
     56%
18/32
67%
20/30
 
Xpdnt 0910072468        65%
20/31
55%
16.5/30
 
NameEloDirty
CUCUMBER
64-bit
Dirty
3Nov2015
64-bit
Dirty
30Apr2017
64-bit
Dirty
10Apr2015
64-bit
Dirty
20Apr2013
64-bit
Dirty
05Sep2012
64-bit
Dirty
25Aug2011
64-bit
Dirty
24Apr2011
64-bit
Dirty
11D-27
Dirty
6J-22
Dirty
ACCA3
LittleThought 1.052 64-bit2453        66%
20.5/31
73%
22/30
 
Philou 3.14.12450         53%
16/30
29%
8.5/29
nanoSzachy 3.82447        70%
22.5/32
59%
35.5/60
 
Counter 1.22446        70%
21/30
59%
35.5/60
 
Matacz 1.3 HT742443        68%
21/31
78%
23.5/30
 
SpiderChess 0706032439        72%
21.5/30
67%
20/30
48%
15.5/32
Abrok 5.02434        56%
18/32
57%
17/30
 
LambChop 10.992434        67%
21.5/32
67%
20/30
42%
13.5/32
King of Kings 2.562433        66%
20.5/31
60%
18/30
 
Snitch 1.6.2 32-bit2418        76%
23.5/31
55%
16/29
 
Delphil 1.82411        69%
21.5/31
59%
16.5/28
 
RomiChess P3k 64-bit2408         58%
17.5/30
39%
12.5/32
Comet B502388         66%
21/32
45%
14.5/32
Leila 0.53h2387         72%
21.5/30
50%
6/12
Gosu 0.162382         67%
20/30
46%
28.5/62
Muse 0.899b2371         65%
19.5/30
48%
15.5/32
Horizon 4.42341         83%
25/30
52%
16.5/32
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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Created in 2005-2013 by CCRL team
Last games added on June 22, 2019