CCRL 40/4
Downloads and Statistics
July 17, 2019
Testing summary:
Total: 2'068'038 games
played by 2'396 programs
27793 CPU days (X2 4600+)

White wins: 803'434 (38.9%)
Black wins: 650'049 (31.4%)
Draws: 614'555 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 13 engines!
13 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 July 17, 2019 with Bayeselo based on 2'068'038 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+
1chess22k 1.12 64-bit3083+16−1651.0%−6.742.1%1208 
61.1%
 chess22k 1.11 64-bit 4CPU3080+21−2143.7%+37.849.8%687
100.0%
 chess22k 1.11 64-bit3031+16−1650.4%−4.242.3%1202
99.8%
 chess22k 1.10 64-bit2995+18−1848.8%+6.640.5%1011
98.5%
 chess22k 1.9 64-bit2969+16−1647.4%+15.239.8%1352
81.4%
 chess22k 1.8 64-bit2959+17−1753.9%−29.541.8%1104
100.0%
 chess22k 1.7 64-bit2897+16−1651.7%−11.540.3%1207
100.0%
 chess22k 1.6 64-bit2830+18−1846.7%+21.638.7%1025
100.0%
 chess22k 1.5 64-bit2739+17−1747.2%+16.933.2%1201
100.0%
 chess22k 1.4 64-bit2688+17−1655.3%−40.429.8%1338
100.0%
 chess22k 1.3 64-bit2515+28−2861.3%−83.921.1%479
100.0%
 chess22k 1.2 64-bit2410+18−1754.0%−30.223.0%1192
100.0%
 chess22k 1.1 64-bit2282+22−2244.2%+44.018.5%767
 

Results matrix

Custom engine selection
#NameElo12345678910111213
1chess22k 1.12 64-bit3083             
2chess22k 1.11 64-bit 4CPU3080             
3chess22k 1.11 64-bit3031             
4chess22k 1.10 64-bit2995             
5chess22k 1.9 64-bit2969             
6chess22k 1.8 64-bit2959             
7chess22k 1.7 64-bit2897             
8chess22k 1.6 64-bit2830             
9chess22k 1.5 64-bit2739             
10chess22k 1.4 64-bit2688             
11chess22k 1.3 64-bit2515             
12chess22k 1.2 64-bit2410             
13chess22k 1.1 64-bit2282             
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
#NameElo12345678910111213
1chess22k 1.12 64-bit3083 61.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2chess22k 1.11 64-bit 4CPU308038.9 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3chess22k 1.11 64-bit30310.00.0 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
4chess22k 1.10 64-bit29950.00.00.2 98.599.8100.0100.0100.0100.0100.0100.0100.0
5chess22k 1.9 64-bit29690.00.00.01.5 81.4100.0100.0100.0100.0100.0100.0100.0
6chess22k 1.8 64-bit29590.00.00.00.218.6 100.0100.0100.0100.0100.0100.0100.0
7chess22k 1.7 64-bit28970.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
8chess22k 1.6 64-bit28300.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
9chess22k 1.5 64-bit27390.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
10chess22k 1.4 64-bit26880.00.00.00.00.00.00.00.00.0 100.0100.0100.0
11chess22k 1.3 64-bit25150.00.00.00.00.00.00.00.00.00.0 100.0100.0
12chess22k 1.2 64-bit24100.00.00.00.00.00.00.00.00.00.00.0 100.0
13chess22k 1.1 64-bit22820.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910111213
1chess22k 1.12 64-bit3083 17613597543302411287496000
2chess22k 1.11 64-bit 4CPU3080176 176275000000000
3chess22k 1.11 64-bit30311359176 11739718351301371212000
4chess22k 1.10 64-bit29957542751173 115091345922903300
5chess22k 1.9 64-bit296933009711150 12153662802424333
6chess22k 1.8 64-bit295924108359131215 94646230063
7chess22k 1.7 64-bit28971280130459366946 12814700000
8chess22k 1.6 64-bit28307401372292804621281 897416000
9chess22k 1.5 64-bit273990120243470897 1296000
10chess22k 1.4 64-bit26886012324004161296 3002040
11chess22k 1.3 64-bit2515000330000300 7390
12chess22k 1.2 64-bit2410000036000204739 64
13chess22k 1.1 64-bit22820000330000064 
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
#NameElo12345678910111213
1chess22k 1.12 64-bit3083 9.356.434.012.910.45.33.30.40.20.00.00.0
2chess22k 1.11 64-bit 4CPU30809.3 9.316.20.00.00.00.00.00.00.00.00.0
3chess22k 1.11 64-bit303156.49.3 53.038.036.25.46.20.50.50.00.00.0
4chess22k 1.10 64-bit299534.016.253.0 48.743.220.711.20.00.10.20.00.0
5chess22k 1.9 64-bit296912.90.038.048.7 49.514.311.80.90.90.20.10.1
6chess22k 1.8 64-bit295910.40.036.243.249.5 40.921.70.10.00.00.30.2
7chess22k 1.7 64-bit28975.30.05.420.714.340.9 57.419.50.00.00.00.0
8chess22k 1.6 64-bit28303.30.06.211.211.821.757.4 40.317.60.00.00.0
9chess22k 1.5 64-bit27390.40.00.50.00.90.119.540.3 51.00.00.00.0
10chess22k 1.4 64-bit26880.20.00.50.10.90.00.017.651.0 16.58.10.0
11chess22k 1.3 64-bit25150.00.00.00.20.20.00.00.00.016.5 44.20.0
12chess22k 1.2 64-bit24100.00.00.00.00.10.30.00.00.08.144.2 3.3
13chess22k 1.1 64-bit22820.00.00.00.00.10.20.00.00.00.00.03.3 
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 113 common opponents

Custom engine selection
NameElochess22k
1.12
64-bit
chess22k
1.11
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Fire 6.1 64-bit3289    0%
0/1
25%
0.5/2
       
Andscacs 0.94 64-bit323028%
9/32
  0%
0/2
         
Schooner 2.0.34 64-bit319234%
10.5/31
 33%
10.5/32
          
Chiron 4 64-bit316536%
12/33
   100%
1/1
        
NirvanaChess 2.4 64-bit313045%
14.5/32
 36%
11.5/32
          
Nemorino 5.00 64-bit311845%
14.5/32
 28%
9/32
          
Arasan 21.1 64-bit311634%
11/32
 38%
15/40
          
Texel 1.07 64-bit311445%
14.5/32
 33%
10.5/32
0%
0/1
         
Hannibal 1.7 64-bit311145%
15/33
 38%
12/32
  100%
1/1
       
Rybka 4.1 64-bit310848%
15.5/32
 34%
11/32
          
Pedone 1.8 64-bit310752%
16.5/32
 33%
11/33
27%
8.5/32
         
Protector 1.9.0 64-bit308452%
16.5/32
 55%
16.5/30
35%
11/31
 38%
18.5/49
       
Senpai 2.0 64-bit308444%
14.5/33
 35%
11/31
34%
10.5/31
         
Vajolet2 2.6 64-bit308459%
19.5/33
 45%
14.5/32
          
iCE 3.0 64-bit308145%
14.5/32
50%
28.5/57
48%
15.5/32
36%
29.5/81
         
Nemorino 4.00 64-bit3067   44%
14/32
35%
28/81
        
Arasan 21.0 64-bit3065  47%
15/32
50%
16.5/33
         
Pedone 1.7 64-bit3053   39%
12.5/32
31%
11.5/37
        
Defenchess (SCTR) 1.1f 64-bit304761%
20/33
 42%
13.5/32
41%
13/32
36%
29.5/81
75%
1.5/2
27%
8/30
19%
6/32
     
Ethereal 9.30 64-bit3043    39%
15/38
50%
0.5/1
       
NameElochess22k
1.12
64-bit
chess22k
1.11
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
chess22k
1.2
64-bit
chess22k
1.1
64-bit
SmarThink 1.98 64-bit303673%
23.5/32
56%
31/55
64%
20.5/32
46%
37.5/82
         
Naum 4.6 64-bit303252%
16.5/32
 58%
18.5/32
48%
15.5/32
36%
13.5/37
        
Wasp 3.0 64-bit302450%
16/32
 56%
18/32
50%
16/32
         
Hakkapeliitta TCEC v2 64-bit302366%
21/32
 47%
15/32
43%
35.5/82
49%
23/47
35%
17.5/50
30%
9/30
      
Demolito 2018-10-29 64-bit301755%
17.5/32
 45%
14.5/32
          
Rodent III 0.273 64-bit300150%
0.5/1
  48%
15/31
         
ChessBrainVB 3.70300055%
17.5/32
 61%
19.5/32
          
Rodent III 0.275 64-bit299867%
21.5/32
 59%
19/32
          
Hiarcs 14298672%
23/32
 62%
20/32
47%
15/32
53%
19.5/37
71%
20/28
       
Ethereal 9.00 64-bit2983     50%
8/16
38%
12/32
      
Wasp 2.6 64-bit2978    55%
20.5/37
61%
19/31
       
ChessBrainVB 3.662977  52%
16.5/32
48%
15.5/32
40%
2/5
41%
11/27
       
Bobcat 8.0 64-bit2960  66%
21/32
58%
47.5/82
49%
39/80
45%
31/69
       
Demolito 2018-03-01 64-bit2957  38%
12/32
45%
14.5/32
55%
21/38
55%
16.5/30
       
Deuterium 2018.1.35.514 64-bit2953  64%
20.5/32
50%
0.5/1
53%
17/32
        
Amoeba 2.8 64-bit2952  64%
21/33
63%
19.5/31
59%
50/85
61%
11/18
       
Cheng 4.39 64-bit2944  56%
18/32
 46%
17.5/38
65%
15.5/24
       
Amoeba 2.7 64-bit2938     45%
32.5/73
40%
24/60
      
Crafty 25.2 64-bit2933100%
1/1
 61%
19.5/32
60%
30/50
58%
23/40
56%
39/70
       
Spark 1.0 64-bit2927  62%
20/32
 50%
41.5/83
51%
39.5/78
 38%
12/32
     
NameElochess22k
1.12
64-bit
chess22k
1.11
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Atlas 3.91 64-bit292650%
0.5/1
 55%
17.5/32
 58%
23/40
56%
30/54
       
Spike 1.4 Leiden2921100%
1/1
  60%
30/50
55%
22/40
65%
15/23
45%
14.5/32
47%
14/30
     
Toga II 4.0 64-bit2915    65%
26/40
64%
18.5/29
       
DiscoCheck 5.2.1 64-bit2913     53%
26/49
46%
27.5/60
      
EXchess 7.97b 64-bit2912   63%
31.5/50
70%
33/47
55%
41.5/75
49%
30.5/62
      
Demolito 2017-08-26 64-bit2911   65%
32.5/50
  49%
29.5/60
36%
11.5/32
     
Rodent III 0.172 64-bit2908     38%
1.5/4
39%
12.5/32
36%
11.5/32
     
ChessBrainVB 3.502905     59%
16.5/28
57%
24.5/43
      
Zurichess Neuchatel 64-bit2900  50%
0.5/1
 0%
0/1
59%
58/99
47%
13.5/29
48%
15.5/32
     
Quazar 0.4 64-bit2899     58%
40/69
53%
31.5/59
41%
13/32
     
Deep Junior Yokohama 64-bit2897     50%
3.5/7
 53%
17/32
     
Deuterium 14.3.34.130 64-bit2882     50%
25/50
43%
13/30
33%
10.5/32
     
Murka 3 64-bit2881      55%
33/60
36%
11.5/32
     
Atlas 3.80 64-bit2874      45%
13.5/30
39%
12.5/32
35%
11/31
    
Fruit Reloaded 3.2.1 64-bit2872      47%
15/32
41%
13/32
     
Gaviota 1.0 64-bit2872   50%
0.5/1
100%
1/1
 53%
17/32
47%
15/32
     
Tucano 7.00 64-bit2871    100%
2/2
 55%
17.5/32
37%
23/62
     
MinkoChess 1.3 64-bit2869      63%
19.5/31
 32%
10/31
    
DisasterArea 1.65 64-bit2864      62%
20/32
38%
12/32
38%
11.5/30
    
Nemo 1.0.1 64-bit2856  100%
1/1
   52%
32/62
34%
11/32
38%
12/32
    
NameElochess22k
1.12
64-bit
chess22k
1.11
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Onno 1.2.70 64-bit2845      66%
21/32
48%
15.5/32
27%
8.5/32
    
Zappa Mexico II 64-bit2843    100%
1/1
 70%
22.5/32
48%
15/31
26%
8/31
    
Tornado 8.0 64-bit2825      61%
19.5/32
55%
17.5/32
39%
12.5/32
    
Octochess r5506 64-bit2820    100%
1/1
 64%
38/59
      
The Baron 3.41 64-bit2819      63%
19/30
48%
15.5/32
     
Rhetoric 1.4.3 64-bit2804100%
1/1
   100%
1/1
  53%
17/32
45%
14.5/32
    
RuyDos 1.1.0 64-bit2781    50%
0.5/1
50%
1/2
       
Fruit 2.3.12780    100%
1/1
   22%
5.5/25
    
Octochess r5190 64-bit2777       56%
18/32
50%
16/32
34%
11/32
   
Bright 0.5c2772       62%
39.5/64
61%
19.5/32
58%
18.5/32
   
The Baron 3.29 64-bit2772        39%
12.5/32
33%
10.5/32
   
Twisted Logic 20090922 64-bit2771       50%
16/32
47%
14.5/31
33%
10.5/32
   
Frenzee 3.5.19 64-bit2768    50%
0.5/1
   39%
12.5/32
41%
13/32
   
Pawny 1.2 64-bit2767  100%
1/1
    58%
18.5/32
38%
12/32
42%
13.5/32
   
Jonny 4.002762100%
1/1
      67%
21.5/32
48%
15.5/32
38%
12/32
   
BugChess2 1.9 64-bit2759  50%
0.5/1
 0%
0/1
   55%
17.5/32
39%
12.5/32
   
RuyDos 1.0.27 64-bit2757       69%
9/13
25%
7/28
    
Tucano 6.00 64-bit2750        56%
18/32
44%
13.5/31
   
Godel 3.4.9 64-bit2741       62%
20/32
56%
18/32
39%
12.5/32
   
Chronos 1.9.9 64-bit2739    100%
1/1
   36%
11.5/32
34%
11/32
   
NameElochess22k
1.12
64-bit
chess22k
1.11
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Cheese 1.9 64-bit2731  0%
0/1
     48%
15/31
53%
17/32
   
Carballo 1.7 64-bit2717        52%
16.5/32
44%
14/32
   
Devel 1.80902707     50%
0.5/1
  53%
17/32
    
Arminius 2017-01-01 64-bit2688        65%
20/31
39%
12.5/32
   
Delfi 5.42683    100%
1/1
   65%
20/31
44%
14/32
   
Djinn 1.021 64-bit2677    100%
2/2
    62%
20/32
   
Daydreamer 1.75 64-bit2672        47%
8.5/18
70%
22.5/32
   
RedQueen 1.1.98 64-bit2669        76%
23.5/31
45%
14.5/32
   
RuyDos 1.0.2 64-bit2669        75%
24/32
58%
17.5/30
   
Alaric 7072663100%
1/1
       53%
17/32
61%
19.5/32
   
Gandalf 7 64-bit2663    100%
1/1
   66%
20.5/31
52%
16.5/32
   
Nebula 2.0 64-bit2654        62%
8/13
53%
17/32
   
Donna 4.0 64-bit2650  50%
0.5/1
      55%
17.5/32
   
Dorky 4.5 64-bit2504   100%
1/1
     63%
19/30
47%
14/30
  
Green Light Chess 3.01.2.22504    50%
0.5/1
    68%
20.5/30
   
Trace 1.37a2500         82%
24.5/30
48%
14.5/30
  
Schooner 1.7.0 64-bit2463         73%
22/30
 53%
17/32
 
Abrok 5.02434         80%
24/30
58%
17.5/30
  
Shallow 2 rev8 64-bit2428         78%
23.5/30
55%
16.5/30
43%
21.5/50
 
Eeyore 1.52 64-bit2427         90%
27/30
43%
13/30
45%
14.5/32
 
NameElochess22k
1.12
64-bit
chess22k
1.11
64-bit
4CPU
chess22k
1.11
64-bit
chess22k
1.10
64-bit
chess22k
1.9
64-bit
chess22k
1.8
64-bit
chess22k
1.7
64-bit
chess22k
1.6
64-bit
chess22k
1.5
64-bit
chess22k
1.4
64-bit
chess22k
1.3
64-bit
chess22k
1.2
64-bit
chess22k
1.1
64-bit
Gaia 3.5 64-bit2425          72%
21.5/30
42%
13.5/32
 
Nejmet 3.072425          65%
19.5/30
52%
16.5/32
 
Quark 2.352423          62%
18.5/30
51%
24.5/48
 
Nemeton 1.512420          73%
22/30
52%
25/48
 
Dragon 4.62419          77%
23/30
41%
20.5/50
 
Hussar 0.42418          62%
18.5/30
45%
22.5/50
 
Snitch 1.6.2 32-bit2418    100%
1/1
     66%
19/29
40%
19/48
 
Typhoon 1.00-358 64-bit2382          65%
19.5/30
53%
26.5/50
 
Terra 3.42368    100%
1/1
       45%
13.5/30
The Crazy Bishop 00522363     100%
1/1
      35%
10.5/30
Tigran 2.4n 64-bit2346     100%
1/1
     58%
18/31
 
Horizon 4.42341     100%
1/1
     56%
17.5/31
 
Jumbo 0.4.17 64-bit2312           67%
21.5/32
53%
17/32
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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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:
  No recalibration (reference and current list are compared as they are)
  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 July 17, 2019