CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 12 engines!
12 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 CPU.
Computed on November 8, 2019 with Bayeselo based on 2'127'795 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+
1ChessBrainVB 3.70 4CPU3127+23−2256.7%−43.742.1%611 
100.0%
 ChessBrainVB 3.723048+19−1952.3%−18.731.5%927
99.9%
 ChessBrainVB 3.743003+22−2249.3%+2.631.4%703
57.6%
 ChessBrainVB 3.703000+17−1751.3%−11.134.9%1116
80.5%
 ChessBrainVB 3.682985+29−2952.1%−15.133.8%397
67.4%
 ChessBrainVB 3.662978+16−1650.9%−7.536.5%1319
100.0%
 ChessBrainVB 3.602907+32−3253.2%−21.134.2%310
51.9%
 ChessBrainVB 3.502906+15−1549.7%+3.534.2%1510
100.0%
 ChessBrainVB 3.312829+25−2453.7%−28.129.8%574
94.6%
 ChessBrainVB 3.202804+17−1749.7%+1.233.6%1219
100.0%
 ChessBrainVB 3.022741+17−1749.0%+8.129.7%1156
100.0%
 ChessBrainVB 2.052640+17−1752.0%−13.331.1%1153
 

Results matrix

Custom engine selection
#NameElo123456789101112
1ChessBrainVB 3.70 4CPU3127            
2ChessBrainVB 3.723048            
3ChessBrainVB 3.743003            
4ChessBrainVB 3.703000            
5ChessBrainVB 3.682985            
6ChessBrainVB 3.662978            
7ChessBrainVB 3.602907            
8ChessBrainVB 3.502906            
9ChessBrainVB 3.312829            
10ChessBrainVB 3.202804            
11ChessBrainVB 3.022741            
12ChessBrainVB 2.052640            
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
#NameElo123456789101112
1ChessBrainVB 3.70 4CPU3127 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2ChessBrainVB 3.7230480.0 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
3ChessBrainVB 3.7430030.00.1 57.682.596.3100.0100.0100.0100.0100.0100.0
4ChessBrainVB 3.7030000.00.042.4 80.597.0100.0100.0100.0100.0100.0100.0
5ChessBrainVB 3.6829850.00.017.519.5 67.4100.0100.0100.0100.0100.0100.0
6ChessBrainVB 3.6629780.00.03.73.032.6 100.0100.0100.0100.0100.0100.0
7ChessBrainVB 3.6029070.00.00.00.00.00.0 51.9100.0100.0100.0100.0
8ChessBrainVB 3.5029060.00.00.00.00.00.048.1 100.0100.0100.0100.0
9ChessBrainVB 3.3128290.00.00.00.00.00.00.00.0 94.6100.0100.0
10ChessBrainVB 3.2028040.00.00.00.00.00.00.00.05.4 100.0100.0
11ChessBrainVB 3.0227410.00.00.00.00.00.00.00.00.00.0 100.0
12ChessBrainVB 2.0526400.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1ChessBrainVB 3.70 4CPU3127 81811616184030000
2ChessBrainVB 3.72304881 2635861993686276647230
3ChessBrainVB 3.74300381263 31995342000300
4ChessBrainVB 3.703000161586319 483116217472201200
5ChessBrainVB 3.682985619995483 3303359926129
6ChessBrainVB 3.6629781843683421162330 330100826429000
7ChessBrainVB 3.6029070601743330 54415723000
8ChessBrainVB 3.502906327607223591008544 63911262473
9ChessBrainVB 3.312829064009264157639 12235420
10ChessBrainVB 3.2028040723122629023011261223 106315
11ChessBrainVB 3.022741030012002475421063 246
12ChessBrainVB 2.05264000009003015246 
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
#NameElo123456789101112
1ChessBrainVB 3.70 4CPU3127 5.36.29.30.69.50.00.10.00.00.00.0
2ChessBrainVB 3.7230485.3 16.128.715.016.40.511.34.33.40.10.0
3ChessBrainVB 3.7430036.216.1 17.58.616.90.00.00.00.20.00.0
4ChessBrainVB 3.7030009.328.717.5 31.947.712.227.50.00.50.00.0
5ChessBrainVB 3.6829850.615.08.631.9 19.20.418.80.91.60.80.6
6ChessBrainVB 3.6629789.516.416.947.719.2 20.335.613.911.40.00.0
7ChessBrainVB 3.6029070.00.50.012.20.420.3 29.917.815.00.00.0
8ChessBrainVB 3.5029060.111.30.027.518.835.629.9 30.741.39.30.1
9ChessBrainVB 3.3128290.04.30.00.00.913.917.830.7 68.231.30.0
10ChessBrainVB 3.2028040.03.40.20.51.611.415.041.368.2 44.80.6
11ChessBrainVB 3.0227410.00.10.00.00.80.00.09.331.344.8 10.7
12ChessBrainVB 2.0526400.00.00.00.00.60.00.00.10.00.610.7 
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 90 common opponents

Custom engine selection
NameEloChessBrainVB
3.70
4CPU
ChessBrainVB
3.72
ChessBrainVB
3.74
ChessBrainVB
3.70
ChessBrainVB
3.68
ChessBrainVB
3.66
ChessBrainVB
3.60
ChessBrainVB
3.50
ChessBrainVB
3.31
ChessBrainVB
3.20
ChessBrainVB
3.02
ChessBrainVB
2.05
Houdini 6 64-bit3445 0%
0/1
  0%
0/1
       
Chiron 4 64-bit3165 50%
0.5/1
  75%
1.5/2
0%
0/1
 50%
0.5/1
    
NirvanaChess 2.4 64-bit3131    0%
0/2
  0%
0/1
    
Hannibal 1.7 64-bit3111 50%
0.5/1
28%
9/32
         
Pedone 1.8 64-bit3107    50%
0.5/1
33%
10.5/32
      
Protector 1.9.0 64-bit3085 50%
0.5/1
34%
11/32
28%
9/32
 28%
9/32
   0%
0/1
  
Senpai 2.0 64-bit3085  50%
15.5/31
42%
13.5/32
50%
0.5/1
34%
11/32
      
Vajolet2 2.6 64-bit3084   31%
10/32
50%
0.5/1
       
chess22k 1.12 64-bit3081 0%
0/1
 45%
14.5/32
        
iCE 3.0 64-bit308149%
23.5/48
  44%
14/32
100%
1/1
30%
9.5/32
 0%
0/1
    
Wasp 3.50 64-bit3065 50%
0.5/1
 48%
15.5/32
        
Defenchess 1.1f 64-bit3047 52%
16.5/32
 53%
17/32
100%
1/1
33%
10.5/32
      
SmarThink 1.98 64-bit3038 53%
18/34
42%
13.5/32
53%
17/32
36%
20.5/57
64%
20.5/32
      
Naum 4.6 64-bit3032  52%
16.5/32
44%
14/32
 34%
11/32
      
SmarThink 1.97 64-bit3031       27%
14.5/54
 50%
0.5/1
  
chess22k 1.11 64-bit3031   39%
12.5/32
 48%
15.5/32
      
Wasp 3.0 64-bit3024   47%
15/32
45%
27.5/61
       
Hakkapeliitta TCEC v2 64-bit302161%
30/49
59%
19/32
53%
17/32
34%
11/32
100%
1/1
51%
28/55
      
Pirarucu 3.0.7 64-bit3019 50%
16/32
50%
16/32
         
Demolito 2018-10-29 64-bit3017 50%
16/32
 48%
15.5/32
        
NameEloChessBrainVB
3.70
4CPU
ChessBrainVB
3.72
ChessBrainVB
3.74
ChessBrainVB
3.70
ChessBrainVB
3.68
ChessBrainVB
3.66
ChessBrainVB
3.60
ChessBrainVB
3.50
ChessBrainVB
3.31
ChessBrainVB
3.20
ChessBrainVB
3.02
ChessBrainVB
2.05
Senpai 1.0 64-bit3007       41%
12/29
 0%
0/1
  
Rodent III 0.287 64-bit3005 56%
17.5/31
53%
17/32
         
Deuterium 2019.1.36.50 64-bit2999 47%
15/32
 52%
16.5/32
        
Arasan 20.1 64-bit2996       28%
7.5/27
 50%
0.5/1
  
Hiarcs 142987   52%
16.5/32
 55%
17.5/32
 40%
10/25
    
Hakkapeliitta 3.0 64-bit2985    41%
24.5/60
  26%
7/27
    
Pirarucu 2.9.5 64-bit2985 55%
17.5/32
 59%
19/32
        
Vajolet2 2.3 64-bit2983       34%
9.5/28
 50%
0.5/1
  
chess22k 1.8 64-bit2959     59%
16/27
 41%
11.5/28
    
Bobcat 8.0 64-bit2958   59%
19/32
 46%
18.5/40
 37%
9.5/26
    
Demolito 2018-03-01 64-bit2958   56%
18/32
0%
0/1
       
Amoeba 2.8 64-bit2952   53%
17/32
 52%
14.5/28
      
Deuterium 2018.1.35.514 64-bit2952   52%
16.5/32
 48%
15.5/32
      
Cheng 4.39 64-bit2946   53%
16.5/31
56%
35/62
  26%
7.5/29
 100%
1/1
  
Amoeba 2.7 64-bit2939     51%
20.5/40
36%
11.5/32
     
Crafty 25.2 64-bit2933 73%
23.5/32
 52%
16/31
65%
39/60
56%
22/39
 57%
15.5/27
    
Dirty CUCUMBER 64-bit2928 69%
22/32
 52%
16.5/32
        
Spark 1.0 64-bit2927   50%
16/32
61%
37/61
55%
30/55
 48%
15/31
 50%
0.5/1
  
Deep Sjeng c't 20102926     51%
18/35
 50%
14.5/29
    
Atlas 3.91 64-bit2925   59%
19/32
 49%
19.5/40
      
NameEloChessBrainVB
3.70
4CPU
ChessBrainVB
3.72
ChessBrainVB
3.74
ChessBrainVB
3.70
ChessBrainVB
3.68
ChessBrainVB
3.66
ChessBrainVB
3.60
ChessBrainVB
3.50
ChessBrainVB
3.31
ChessBrainVB
3.20
ChessBrainVB
3.02
ChessBrainVB
2.05
Spike 1.4 Leiden2922   56%
18/32
50%
0.5/1
50%
17/34
 48%
28/58
 0%
0/1
  
Toga II 4.0 64-bit2918 69%
22/32
 67%
21.5/32
   45%
14.5/32
    
DiscoCheck 5.2.1 64-bit2914 100%
1/1
  100%
1/1
62%
24/39
48%
12.5/26
50%
13/26
 100%
1/1
  
EXchess 7.97b 64-bit2914   64%
20.5/32
  54%
14/26
44%
24/55
    
Demolito 2017-08-26 64-bit2911     56%
19.5/35
44%
11.5/26
54%
29/54
    
Rodent III 0.172 64-bit2908       58%
17.5/30
33%
9.5/29
39%
19.5/50
  
Scorpio 2.8 64-bit2902 73%
23.5/32
  50%
0.5/1
       
Quazar 0.4 64-bit2901   64%
20.5/32
 71%
28.5/40
58%
15/26
45%
12.5/28
    
Zurichess Neuchatel 64-bit2901   61%
19.5/32
  48%
12.5/26
44%
11.5/26
    
Deep Junior Yokohama 64-bit2900   73%
23.5/32
   53%
17/32
    
Daydreamer 2.0.0-pre2 64-bit2894   60%
18.5/31
50%
0.5/1
       
Deuterium 14.3.34.130 64-bit2883     72%
29/40
60%
15.5/26
50%
15/30
38%
11/29
50%
16/32
  
Murka 3 64-bit2882      54%
14/26
53%
17/32
 41%
9.5/23
  
Atlas 3.80 64-bit2875       56%
17.5/31
36%
10/28
38%
31/81
43%
21/49
 
Fruit Reloaded 3.2.1 64-bit2873 72%
23/32
     65%
15/23
    
Gaviota 1.0 64-bit2873 89%
28.5/32
   78%
31/40
 55%
32/58
52%
15/29
47%
15.5/33
  
MinkoChess 1.3 64-bit2870       61%
19.5/32
 30%
9.5/32
27%
12/45
 
Dirty 3Nov2015 64-bit2868       47%
14/30
 42%
13/31
  
Amoeba 2.5 64-bit2865       58%
18.5/32
 53%
16.5/31
  
DisasterArea 1.65 64-bit2865      62%
13/21
49%
26.5/54
54%
14.5/27
36%
29.5/82
  
NameEloChessBrainVB
3.70
4CPU
ChessBrainVB
3.72
ChessBrainVB
3.74
ChessBrainVB
3.70
ChessBrainVB
3.68
ChessBrainVB
3.66
ChessBrainVB
3.60
ChessBrainVB
3.50
ChessBrainVB
3.31
ChessBrainVB
3.20
ChessBrainVB
3.02
ChessBrainVB
2.05
Nemo 1.0.1 64-bit2857     71%
20/28
 70%
21/30
43%
12.5/29
30%
9.5/32
  
Onno 1.2.70 64-bit2845       53%
17/32
 39%
12/31
  
Zappa Mexico II 64-bit2844     65%
26/40
 62%
18/29
50%
14.5/29
47%
15.5/33
  
Tornado 8.0 64-bit2827       70%
22.5/32
43%
12.5/29
64%
20.5/32
  
Octochess r5506 64-bit2824    100%
1/1
   55%
32.5/59
50%
0.5/1
  
Rhetoric 1.4.3 64-bit2805 100%
1/1
    62%
15.5/25
66%
18.5/28
57%
16.5/29
53%
17/32
  
Ktulu 92782       70%
19.5/28
 100%
1/1
  
Octochess r5190 64-bit2778         47%
15/32
48%
15.5/32
 
The Baron 3.29 64-bit2773       79%
22/28
57%
16/28
57%
28/49
44%
36/81
 
Bright 0.5c2772    100%
1/1
   57%
16.5/29
50%
15.5/31
56%
18/32
 
Frenzee 3.5.19 64-bit2770    100%
1/1
  100%
1/1
70%
19.5/28
58%
29/50
20%
6.5/32
 
Jonny 4.002763        45%
12.5/28
58%
29/50
45%
14.5/32
 
Bison 9.11 64-bit2762        57%
16.5/29
52%
26.5/51
42%
21/50
 
BugChess2 1.9 64-bit2759 50%
0.5/1
        46%
37.5/82
 
Tucano 6.00 64-bit2751        69%
20/29
51%
25.5/50
59%
19/32
 
Godel 3.4.9 64-bit2742         53%
27/51
47%
14.5/31
 
Chronos 1.9.9 64-bit2740    100%
1/1
  50%
0.5/1
 55%
27.5/50
39%
12.5/32
 
Carballo 1.7 64-bit2718        59%
16.5/28
56%
28/50
56%
18/32
 
Chessmaster 11 Paralyse2686    50%
0.5/1
    50%
0.5/1
  
Delfi 5.42683          61%
30.5/50
31%
10/32
NameEloChessBrainVB
3.70
4CPU
ChessBrainVB
3.72
ChessBrainVB
3.74
ChessBrainVB
3.70
ChessBrainVB
3.68
ChessBrainVB
3.66
ChessBrainVB
3.60
ChessBrainVB
3.50
ChessBrainVB
3.31
ChessBrainVB
3.20
ChessBrainVB
3.02
ChessBrainVB
2.05
Djinn 1.021 64-bit2676    100%
1/1
    50%
1/2
52%
26/50
39%
12.5/32
Alaric 7072663          55%
27.5/50
59%
19/32
Gandalf 7 64-bit2663        75%
21/28
68%
34/50
  
Nebula 2.0 64-bit2654         50%
0.5/1
 53%
17/32
Sjakk 2.2 64-bit2638       100%
1/1
   56%
18/32
E.T. Chess 13.01.082634    100%
1/1
      58%
18.5/32
Zarkov 6.552618         100%
1/1
 48%
15.5/32
Slow Chess Blitz WV2.12615    50%
0.5/1
      45%
14.5/32
Jellyfish 1.1 64-bit2610         100%
1/1
 52%
15.5/30
Hermann 2.8 64-bit2531    100%
1/1
100%
1/1
      
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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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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Created in 2005-2013 by CCRL team
Last games added on November 8, 2019