CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
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 October 12, 2019 with Bayeselo based on 2'115'766 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+
1RubiChess 1.4 64-bit 4CPU3138+26−2647.4%+16.951.4%434 
85.1%
 RubiChess 1.5 64-bit3122+17−1750.0%−0.345.0%1092
88.4%
 RubiChess 1.3 64-bit 4CPU3104+23−2358.7%−63.240.8%635
100.0%
 RubiChess 1.4 64-bit3049+18−1850.1%+0.443.5%931
100.0%
 RubiChess 1.3 64-bit2970+19−1952.1%−16.234.2%1019
100.0%
 RubiChess 1.1 64-bit2780+14−1455.0%−41.634.6%1686
100.0%
 RubiChess 1.0 64-bit2651+17−1747.4%+19.429.8%1171
100.0%
 RubiChess 0.9 64-bit2504+19−1952.2%−13.232.1%946
100.0%
 RubiChess 0.8 64-bit2456+16−1649.0%+8.826.5%1496
100.0%
 RubiChess 0.7 64-bit2310+24−2356.2%−43.624.2%653
100.0%
 RubiChess 0.6 64-bit2159+19−1962.1%−95.419.9%1113
100.0%
 RubiChess 0.5 64-bit1929+25−2551.5%−10.720.5%586
 

Results matrix

Custom engine selection
#NameElo123456789101112
1RubiChess 1.4 64-bit 4CPU3138            
2RubiChess 1.5 64-bit3122            
3RubiChess 1.3 64-bit 4CPU3104            
4RubiChess 1.4 64-bit3049            
5RubiChess 1.3 64-bit2970            
6RubiChess 1.1 64-bit2780            
7RubiChess 1.0 64-bit2651            
8RubiChess 0.9 64-bit2504            
9RubiChess 0.8 64-bit2456            
10RubiChess 0.7 64-bit2310            
11RubiChess 0.6 64-bit2159            
12RubiChess 0.5 64-bit1929            
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
1RubiChess 1.4 64-bit 4CPU3138 85.197.3100.0100.0100.0100.0100.0100.0100.0100.0100.0
2RubiChess 1.5 64-bit312214.9 88.4100.0100.0100.0100.0100.0100.0100.0100.0100.0
3RubiChess 1.3 64-bit 4CPU31042.711.6 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4RubiChess 1.4 64-bit30490.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
5RubiChess 1.3 64-bit29700.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0
6RubiChess 1.1 64-bit27800.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
7RubiChess 1.0 64-bit26510.00.00.00.00.00.0 100.0100.0100.0100.0100.0
8RubiChess 0.9 64-bit25040.00.00.00.00.00.00.0 100.0100.0100.0100.0
9RubiChess 0.8 64-bit24560.00.00.00.00.00.00.00.0 100.0100.0100.0
10RubiChess 0.7 64-bit23100.00.00.00.00.00.00.00.00.0 100.0100.0
11RubiChess 0.6 64-bit21590.00.00.00.00.00.00.00.00.00.0 100.0
12RubiChess 0.5 64-bit19290.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1RubiChess 1.4 64-bit 4CPU3138 5831258580000000
2RubiChess 1.5 64-bit312258 19012605843303000
3RubiChess 1.3 64-bit 4CPU3104312190 274920000000
4RubiChess 1.4 64-bit3049581260274 6410003000
5RubiChess 1.3 64-bit29705858492641 447037000
6RubiChess 1.1 64-bit27800300447 1482123006
7RubiChess 1.0 64-bit2651030001482 383324000
8RubiChess 0.9 64-bit25040000312383 1044000
9RubiChess 0.8 64-bit24560303733241044 67790
10RubiChess 0.7 64-bit23100000000067 1620
11RubiChess 0.6 64-bit21590000000079162 400
12RubiChess 0.5 64-bit19290000060000400 
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
1RubiChess 1.4 64-bit 4CPU3138 3.829.24.24.00.00.00.00.00.00.00.0
2RubiChess 1.5 64-bit31223.8 11.062.327.70.10.10.00.10.00.00.0
3RubiChess 1.3 64-bit 4CPU310429.211.0 17.55.60.00.00.00.00.00.00.0
4RubiChess 1.4 64-bit30494.262.317.5 32.90.00.00.00.10.00.00.0
5RubiChess 1.3 64-bit29704.027.75.632.9 16.50.00.20.30.00.00.0
6RubiChess 1.1 64-bit27800.00.10.00.016.5 51.90.50.10.00.00.3
7RubiChess 1.0 64-bit26510.00.10.00.00.051.9 18.112.10.00.00.0
8RubiChess 0.9 64-bit25040.00.00.00.00.20.518.1 42.80.00.00.0
9RubiChess 0.8 64-bit24560.00.10.00.10.30.112.142.8 3.13.00.0
10RubiChess 0.7 64-bit23100.00.00.00.00.00.00.00.03.1 9.20.0
11RubiChess 0.6 64-bit21590.00.00.00.00.00.00.00.03.09.2 23.5
12RubiChess 0.5 64-bit19290.00.00.00.00.00.30.00.00.00.023.5 
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 88 common opponents

Custom engine selection
NameEloRubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Senpai 2.0 64-bit 4CPU317646%
12/26
 38%
22.5/60
         
Nemorino 5.00 64-bit 4CPU317438%
10/26
 44%
26.5/60
         
Chiron 4 64-bit3164 34%
11/32
  0%
0/1
       
Pedone 1.9 64-bit3133 47%
14.5/31
 38%
12/32
        
Arasan 21.3 64-bit3132 48%
15/31
 34%
11/32
        
NirvanaChess 2.4 64-bit3130 41%
13/32
 38%
12/32
23%
7.5/32
       
Protector 1.9.0 64-bit 4CPU312858%
15/26
 50%
30/60
         
Vajolet2 2.7 64-bit3127 48%
15/31
 44%
14/32
        
Nemorino 5.00 64-bit3117 64%
20.5/32
 37%
11.5/31
33%
11/33
       
Texel 1.07 64-bit3113 58%
18.5/32
 34%
11/32
20%
6.5/32
       
Hannibal 1.7 64-bit3110 50%
16/32
 41%
13/32
23%
7.5/33
       
Rybka 4.1 64-bit3109 45%
14/31
 42%
13.5/32
44%
14/32
       
Demolito 2019-05-05 64-bit3090 48%
15.5/32
 39%
12.5/32
        
Protector 1.9.0 64-bit3085 58%
19/33
 44%
14/32
28%
9/32
   0%
0/1
   
Senpai 2.0 64-bit3085 67%
21.5/32
 42%
13.5/32
32%
10.5/33
       
chess22k 1.12 64-bit3081 55%
17.5/32
 47%
15/32
42%
13/31
       
iCE 3.0 64-bit308160%
15.5/26
62%
20/32
59%
35.5/60
48%
15.5/32
38%
12/32
       
Wasp 3.60 64-bit3078 66%
21/32
 32%
10/31
        
Defenchess 1.1f 64-bit3047 52%
16/31
 55%
17/31
        
SmarThink 1.98 64-bit3037 47%
8.5/18
 64%
20.5/32
        
NameEloRubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Naum 4.6 64-bit3032 73%
23.5/32
 44%
14/32
        
Hakkapeliitta TCEC v2 64-bit3022 100%
1/1
57%
33.5/59
41%
13/32
        
Rodent III 0.287 64-bit3006 75%
24/32
 61%
19.5/32
        
Deuterium 2019.1.36.50 64-bit2999 62%
20/32
59%
35.5/60
58%
18/31
        
Hiarcs 142987 61%
19.5/32
 66%
20.5/31
        
Pirarucu 2.9.5 64-bit2985   62%
20/32
42%
13.5/32
       
Spark 1.0 64-bit2927    100%
1/1
   0%
0/1
   
Scorpio 2.8 64-bit2902    100%
1/1
27%
6.5/24
      
Gaviota 1.0 64-bit2873    66%
21/32
  0%
0/1
    
DisasterArea 1.65 64-bit2865 50%
0.5/1
  69%
22/32
       
Onno 1.2.70 64-bit2846    70%
22.5/32
33%
10.5/32
      
Zappa Mexico II 64-bit2844    53%
17/32
58%
18.5/32
      
Marvin 3.2.0 64-bit2828    70%
22.5/32
41%
13/32
      
Tornado 8.0 64-bit2827    64%
20.5/32
55%
17.5/32
      
Monolith 1.0 64-bit2821    77%
24.5/32
48%
14/29
      
Rhetoric 1.4.3 64-bit2805    61%
19.5/32
52%
16/31
      
Ktulu 92782 100%
1/1
94%
7.5/8
         
Octochess r5190 64-bit2778    84%
27/32
59%
19/32
      
Bright 0.5c2772     52%
16.5/32
45%
14.5/32
     
Twisted Logic 20090922 64-bit2770     64%
20.5/32
38%
12/32
     
NameEloRubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Pawny 1.2 64-bit2768     52%
16.5/32
27%
8.5/32
     
Jonny 4.002763 100%
1/1
   58%
18.5/32
30%
18/60
     
Gogobello 1.4 64-bit2755     60%
33/55
27%
8.5/32
     
Chronos 1.9.9 64-bit2740     64%
20.5/32
30%
8.5/28
     
Shield 2.1 64-bit2740     54%
30/56
35%
21/60
     
Cheese 1.9 64-bit2731     49%
27.5/56
33%
20/60
 0%
0/1
   
Chess Tiger 2007.12713     55%
17.5/32
30%
9.5/32
0%
0/1
    
GreKo 2018.08 64-bit2711     57%
32/56
36%
11.5/32
     
Devel 2.00002710     62%
34.5/56
46%
27.5/60
     
Counter 2.9 64-bit2702     61%
34/56
44%
13.5/31
     
Arminius 2017-01-01 64-bit2688     50%
16/32
41%
13/32
     
Delfi 5.42683     58%
18.5/32
47%
15/32
     
RedQueen 1.1.98 64-bit2671     69%
22/32
58%
34.5/60
     
Alaric 7072663     78%
25/32
48%
13.5/28
     
Gandalf 7 64-bit2663     78%
25/32
47%
15/32
     
ECE X3 64-bit2655     64%
20.5/32
36%
10/28
     
Nebula 2.0 64-bit2654     72%
23/32
48%
13.5/28
     
Amyan 1.722604    100%
1/1
   0%
0/1
   
Maverick 1.5 64-bit2570      64%
20.5/32
 100%
1/1
   
Brutus 8.05 64-bit2557      80%
25.5/32
45%
14.5/32
    
NameEloRubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Anaconda 2.0.12546      61%
19.5/32
 22%
6.5/30
   
Ufim 8.022540      67%
21.5/32
42%
12.5/30
38%
12/32
   
AnMon 5.752539      62%
20/32
42%
13/31
36%
11.5/32
   
Fridolin 2.00 64-bit2538      77%
24.5/32
44%
13.5/31
38%
12/32
   
Leela Chess 0.10 w323 64-bit2538       69%
22/32
58%
18/31
   
Hermann 2.8 64-bit2531      69%
22/32
45%
14.5/32
36%
11.5/32
   
Orion 0.5 64-bit2514      67%
21.5/32
52%
16.5/32
    
Coiled 0.4 64-bit2509       50%
16/32
38%
34.5/92
   
Little Goliath Evolution 3.122505       61%
19.5/32
41%
26.5/64
   
Yace 0.99.872504       55%
17.5/32
52%
33.5/64
   
Bagatur 1.5e 64-bit2485       59%
19/32
34%
11/32
   
BBChess 1.3b 64-bit2480       61%
19/31
52%
16.5/32
   
Cerebro 3.03d2472       52%
16.5/32
58%
18.5/32
   
Topple 0.2.1 64-bit2472     83%
2.5/3
 66%
21/32
    
LittleThought 1.052 64-bit2452       55%
45.5/82
52%
16.5/32
   
Matacz 1.42446       57%
28.5/50
52%
14.5/28
   
SpiderChess 0706032439       48%
23/48
50%
14/28
   
KnightDreamer 3.32393        0%
0/1
46%
16/35
  
Barbarossa 0.4.0 64-bit2319        71%
20.5/29
61%
21.5/35
21%
10.5/50
 
Drosophila 1.4 64-bit2240         51%
18/35
50%
1/2
 
NameEloRubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Joker2 0.7.7 64-bit2223         63%
22/35
25%
0.5/2
 
Baislicka 1.0 64-bit2174         63%
22/35
42%
12.5/30
 
Eia 0.31961          74%
37/50
47%
14/30
Zevra 1.6.1 r512 64-bit1954          78%
39/50
50%
15/30
Heracles 0.6.161922          81%
40.5/50
52%
15.5/30
Eagle 0.7.51912     100%
2/2
     41%
12/29
Clueless 1.41905          90%
45/50
53%
16/30
Roce 0.03901854          87%
43.5/50
57%
17/30
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:
  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 October 12, 2019