CCRL 40/4
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 2'102'110 games
played by 2'449 programs
28319 CPU days (X2 4600+)

White wins: 816'272 (38.8%)
Black wins: 660'160 (31.4%)
Draws: 625'678 (29.8%)
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 September 21, 2019 with Bayeselo based on 2'102'110 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-bit2930+17−1747.4%+18.432.8%1233 
100.0%
 Dirty 3Nov2015 64-bit2868+14−1449.2%+5.034.2%1753
58.4%
 Dirty 30Apr2017 64-bit2865+21−2147.6%+13.734.6%769
100.0%
 Dirty 10Apr2015 64-bit2808+17−1750.1%−1.130.3%1148
100.0%
 Dirty 20Apr2013 64-bit2761+13−1347.4%+16.933.0%2197
97.5%
 Dirty 05Sep2012 64-bit2740+17−1748.5%+8.032.0%1224
100.0%
 Dirty 25Aug2011 64-bit2668+14−1453.6%−24.426.4%1878
99.5%
 Dirty 24Apr2011 64-bit2638+18−1851.4%−10.732.6%1050
100.0%
 Dirty 11D-272543+15−1551.4%−11.229.5%1478
99.9%
 Dirty 6J-222513+12−1252.3%−16.828.0%2337
100.0%
 Dirty ACCA32369+15−1551.5%−17.926.2%1762
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Dirty CUCUMBER 64-bit2930           
2Dirty 3Nov2015 64-bit2868           
3Dirty 30Apr2017 64-bit2865           
4Dirty 10Apr2015 64-bit2808           
5Dirty 20Apr2013 64-bit2761           
6Dirty 05Sep2012 64-bit2740           
7Dirty 25Aug2011 64-bit2668           
8Dirty 24Apr2011 64-bit2638           
9Dirty 11D-272543           
10Dirty 6J-222513           
11Dirty ACCA32369           
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-bit2930 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Dirty 3Nov2015 64-bit28680.0 58.4100.0100.0100.0100.0100.0100.0100.0100.0
3Dirty 30Apr2017 64-bit28650.041.6 100.0100.0100.0100.0100.0100.0100.0100.0
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-2725430.00.00.00.00.00.00.00.0 99.9100.0
10Dirty 6J-2225130.00.00.00.00.00.00.00.00.1 100.0
11Dirty ACCA323690.00.00.00.00.00.00.00.00.00.0 
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-bit2930 6276809253140159330
2Dirty 3Nov2015 64-bit2868627 10308857684476887600
3Dirty 30Apr2017 64-bit28656801030 14545426418779150
4Dirty 10Apr2015 64-bit28089885145 11916343781280620
5Dirty 20Apr2013 64-bit27612537684541191 10205133060580
6Dirty 05Sep2012 64-bit27401404472646341020 8632440580
7Dirty 25Aug2011 64-bit2668156818378513863 9608969270
8Dirty 24Apr2011 64-bit263898777128306244960 56387064
9Dirty 11D-272543369000896563 2422299
10Dirty 6J-22251330156258589278702422 791
11Dirty ACCA32369000000064299791 
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-bit2930 21.034.00.47.45.70.50.40.10.10.0
2Dirty 3Nov2015 64-bit286821.0 40.830.519.415.01.93.10.20.00.0
3Dirty 30Apr2017 64-bit286534.040.8 7.615.313.20.74.20.40.50.0
4Dirty 10Apr2015 64-bit28080.430.57.6 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-bit26680.51.90.712.512.627.8 32.826.722.00.0
8Dirty 24Apr2011 64-bit26380.43.14.25.89.410.732.8 22.325.72.3
9Dirty 11D-2725430.10.20.40.00.00.026.722.3 63.59.2
10Dirty 6J-2225130.10.00.51.81.31.622.025.763.5 19.3
11Dirty ACCA323690.00.00.00.00.00.00.02.39.219.3 
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-bit295944%
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-bit294544%
14.5/33
36%
11.5/32
42%
14/33
        
Crafty 25.2 64-bit293362%
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 Leiden292256%
19/34
39%
12.5/32
41%
13.5/33
 19%
2.5/13
22%
7/32
     
DiscoCheck 5.2.1 64-bit2914 35%
10.5/30
42%
13.5/32
        
EXchess 7.97b 64-bit291350%
16/32
44%
23.5/54
55%
17.5/32
        
Vajolet2 2.0 64-bit2907 47%
15/32
 30%
9.5/32
       
Zurichess Neuchatel 64-bit290147%
15/32
 100%
1/1
        
Quazar 0.4 64-bit29000%
0/1
42%
22/52
50%
16.5/33
 34%
5.5/16
30%
6/20
 19%
6/32
   
Deep Junior Yokohama 64-bit289842%
13.5/32
53%
17/32
34%
11/32
 26%
7.5/29
      
Daydreamer 2.0.0-pre2 64-bit289755%
17.5/32
 25%
0.5/2
        
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-bit288663%
19.5/31
55%
17/31
44%
14/32
 17%
3/18
37%
11.5/31
     
Deep Junior 13.3 64-bit2885     39%
12.5/32
19%
6/32
    
Deuterium 14.3.34.130 64-bit2883 48%
15.5/32
47%
15/32
        
Murka 3 64-bit288267%
21.5/32
47%
21/45
80%
17.5/22
        
Atlas 3.80 64-bit2875 53%
17/32
48%
15/31
36%
11.5/32
40%
12.5/31
      
The Baron 3.43 64-bit287461%
19.5/32
 50%
0.5/1
        
Gaviota 1.0 64-bit287361%
19.5/32
47%
15/32
58%
18.5/32
        
MinkoChess 1.3 64-bit287056%
18/32
41%
13/32
42%
13.5/32
 31%
18.5/60
      
DisasterArea 1.65 64-bit2865 47%
15/32
43%
14.5/34
        
EXchess 7.71b 64-bit2860 55%
17.5/32
 43%
26.5/61
       
Nemo 1.0.1 64-bit2857 52%
16.5/32
61%
20/33
50%
15.5/31
33%
17/51
45%
14.5/32
     
Arasan 17.5 64-bit2845 42%
13.5/32
 47%
15/32
       
Onno 1.2.70 64-bit2845 40%
12.5/31
 33%
10.5/32
47%
14.5/31
39%
12.5/32
     
Zappa Mexico II 64-bit2844 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-bit2827 48%
15.5/32
50%
0.5/1
        
Crafty 23.8 64-bit2825 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-bit2810 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-bit2796 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-bit2784   52%
16.5/32
56%
18/32
      
Crafty 23.4 64-bit2782     44%
13.5/31
39%
12/31
    
Ktulu 92781   55%
17.5/32
54%
15/28
38%
12/32
     
Octochess r5190 64-bit2778   48%
15/31
46%
18/39
      
Rhetoric 1.4.1 64-bit2778   48%
15.5/32
58%
17.5/30
      
Pedone 1.1 64-bit2775   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-bit2769100%
1/1
 100%
1/1
45%
14.5/32
51%
23.5/46
48%
15.5/32
35%
11/31
17%
5.5/32
   
Jonny 4.002763100%
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-bit2740  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 2007.12713    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-bit2673      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 2008b2642  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 0.82612  100%
1/1
  50%
5/10
     
Deuterium 10.01.27.2132610       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
 
Zappa 1.1 64-bit2604      56%
17.5/31
 24%
7.5/31
  
Pharaon 3.5.12603      61%
19.5/32
 26%
8/31
  
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 1.0.52586      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 5.12574      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-bit2557 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
 
Ufim 8.022540  100%
1/1
    61%
19.5/32
45%
14/31
50%
15/30
 
AnMon 5.752539       67%
21.5/32
42%
12.5/30
45%
13.5/30
31%
10/32
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-bit2532      75%
9/12
67%
21.5/32
   
Hermann 2.5 64-bit2513        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-bit2491        58%
18/31
42%
12.5/30
 
Tao 5.62486        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-bit2470  100%
1/1
     56%
18/32
67%
20/30
 
Xpdnt 0910072469        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-bit2452        66%
20.5/31
73%
22/30
 
Philou 3.14.12450         53%
16/30
29%
8.5/29
Counter 1.22447        70%
21/30
59%
35.5/60
 
nanoSzachy 3.82447        70%
22.5/32
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 5.02435        56%
18/32
57%
17/30
 
King of Kings 2.562434        66%
20.5/31
60%
18/30
 
LambChop 10.992434        67%
21.5/32
67%
20/30
42%
13.5/32
Snitch 1.6.2 32-bit2419        76%
23.5/31
55%
16/29
 
Delphil 1.82411        69%
21.5/31
59%
16.5/28
 
RomiChess P3k 64-bit2409         58%
17.5/30
39%
12.5/32
Comet B502388         66%
21/32
45%
14.5/32
Leila 0.53h2388         72%
21.5/30
50%
6/12
Gosu 0.162382         67%
20/30
46%
28.5/62
Muse 0.899b2372         65%
19.5/30
48%
15.5/32
Horizon 4.42342         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 September 21, 2019