CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 10 engines!
10 selected engines played 80 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on September 14, 2019 with Bayeselo based on 1'083'337 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Pirarucu 2.9.5 64-bit 4CPU3025+36−3649.3%+3.653.0%219 
55.8%
 Pirarucu 2.7.4 64-bit 4CPU3021+22−2155.7%−39.647.0%659
70.7%
 Pirarucu 3.0.7 64-bit3013+23−2349.4%−3.453.5%566
99.9%
 Pirarucu 2.9.5 64-bit2967+19−1947.9%+6.946.2%874
89.6%
 Pirarucu 2.7.4 64-bit2950+17−1748.9%+7.744.7%1036
97.2%
 Pirarucu 2.6.1 64-bit2926+20−2047.9%+11.145.2%810
100.0%
 Pirarucu 2.3.8 64-bit2849+23−2353.3%−24.339.4%634
100.0%
 Pirarucu 2.2.2 64-bit2697+19−1952.6%−19.533.8%965
100.0%
 Pirarucu 2.1.1 64-bit2550+27−2751.3%−12.429.4%462
100.0%
 Pirarucu 1.9.2 64-bit2236+24−2450.6%−6.218.4%694
 

Results matrix

Custom engine selection
#NameElo12345678910
1Pirarucu 2.9.5 64-bit 4CPU3025          
2Pirarucu 2.7.4 64-bit 4CPU3021          
3Pirarucu 3.0.7 64-bit3013          
4Pirarucu 2.9.5 64-bit2967          
5Pirarucu 2.7.4 64-bit2950     34 − 26
+13−5=42
+10
    
6Pirarucu 2.6.1 64-bit2926    26 − 34
+5−13=42
−10
 11.5 − 8.5
+7−4=9
−32
   
7Pirarucu 2.3.8 64-bit2849     8.5 − 11.5
+4−7=9
+32
    
8Pirarucu 2.2.2 64-bit2697          
9Pirarucu 2.1.1 64-bit2550          
10Pirarucu 1.9.2 64-bit2236          
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
#NameElo12345678910
1Pirarucu 2.9.5 64-bit 4CPU3025 55.870.099.5100.0100.0100.0100.0100.0100.0
2Pirarucu 2.7.4 64-bit 4CPU302144.2 70.7100.0100.0100.0100.0100.0100.0100.0
3Pirarucu 3.0.7 64-bit301330.029.3 99.9100.0100.0100.0100.0100.0100.0
4Pirarucu 2.9.5 64-bit29670.50.00.1 89.699.8100.0100.0100.0100.0
5Pirarucu 2.7.4 64-bit29500.00.00.010.4 97.2100.0100.0100.0100.0
6Pirarucu 2.6.1 64-bit29260.00.00.00.22.8 100.0100.0100.0100.0
7Pirarucu 2.3.8 64-bit28490.00.00.00.00.00.0 100.0100.0100.0
8Pirarucu 2.2.2 64-bit26970.00.00.00.00.00.00.0 100.0100.0
9Pirarucu 2.1.1 64-bit25500.00.00.00.00.00.00.00.0 100.0
10Pirarucu 1.9.2 64-bit22360.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Pirarucu 2.9.5 64-bit 4CPU3025 15400000000
2Pirarucu 2.7.4 64-bit 4CPU3021154 3615215825424300
3Pirarucu 3.0.7 64-bit3013036 6041281085452240
4Pirarucu 2.9.5 64-bit29670152604 550458604206
5Pirarucu 2.7.4 64-bit29500158128550 6409612400
6Pirarucu 2.6.1 64-bit29260254108458640 24613600
7Pirarucu 2.3.8 64-bit2849024546096246 338680
8Pirarucu 2.2.2 64-bit2697035242124136338 1960
9Pirarucu 2.1.1 64-bit2550002400068196 48
10Pirarucu 1.9.2 64-bit22360006000048 
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
#NameElo12345678910
1Pirarucu 2.9.5 64-bit 4CPU3025 17.50.00.00.00.00.00.00.00.0
2Pirarucu 2.7.4 64-bit 4CPU302117.5 2.99.99.317.31.90.20.00.0
3Pirarucu 3.0.7 64-bit30130.02.9 41.98.07.84.53.42.30.0
4Pirarucu 2.9.5 64-bit29670.09.941.9 28.827.24.02.30.00.4
5Pirarucu 2.7.4 64-bit29500.09.38.028.8 34.75.76.20.00.0
6Pirarucu 2.6.1 64-bit29260.017.37.827.234.7 17.07.70.00.0
7Pirarucu 2.3.8 64-bit28490.01.94.54.05.717.0 21.16.20.0
8Pirarucu 2.2.2 64-bit26970.00.23.42.36.27.721.1 13.70.0
9Pirarucu 2.1.1 64-bit25500.00.02.30.00.00.06.213.7 4.2
10Pirarucu 1.9.2 64-bit22360.00.00.00.40.00.00.00.04.2 
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
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.1.1
64-bit
Pirarucu
1.9.2
64-bit
Xiphos 0.4 64-bit3151  28%
4.5/16
14%
2/14
 22%
4.5/20
    
Laser 1.6 64-bit3129  41%
6.5/16
21%
3/14
      
Strelka 5.5 64-bit3104 44%
14/32
   18%
3.5/20
    
Wasp 3.50 64-bit 4CPU310125%
1/4
42%
2.5/6
        
Equinox 3.20 64-bit3096  44%
7/16
18%
2.5/14
      
Nemorino 5.00 64-bit3088  47%
7.5/16
  22%
4.5/20
    
Arasan 21.2 64-bit3078   29%
4/14
29%
10/34
     
RubiChess 1.3 64-bit 4CPU306536%
5/14
54%
22.5/42
        
ChessBrainVB 3.723062   31%
5.5/18
34%
11/32
     
Rodent III 0.276 64-bit 4CPU306042%
10/24
50%
3/6
        
Vajolet2 2.6 64-bit3060    35%
12.5/36
30%
6/20
    
Demolito 2018-10-29 64-bit 4CPU305225%
1/4
50%
8/16
        
chess22k 1.12 64-bit3050   32%
4.5/14
39%
12.5/32
42%
5/12
    
Wasp 3.60 64-bit3039  38%
6/16
38%
6/16
      
Senpai 2.0 64-bit3036  38%
1.5/4
25%
1/4
40%
14.5/36
32%
6.5/20
    
Sting SF 15 64-bit3032  12%
0.5/4
38%
9/24
      
Wasp 3.50 64-bit3030   42%
7.5/18
39%
22/57
     
SmarThink 1.98 64-bit3027 50%
16/32
25%
1/4
38%
1.5/4
      
Bobcat 8.0 64-bit 4CPU302665%
6.5/10
42%
2.5/6
        
Cheng 4.39 64-bit 4CPU301045%
4.5/10
42%
2.5/6
        
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.1.1
64-bit
Pirarucu
1.9.2
64-bit
Defenchess 1.1f 64-bit2998  50%
2/4
50%
4/8
35%
12.5/36
     
Hakkapeliitta TCEC v2 64-bit2998 34%
11/32
38%
1.5/4
38%
3/8
 48%
10.5/22
    
Sting SF 9 64-bit2997  41%
6.5/16
 50%
10/20
 50%
4/8
   
Rybka 3 32-bit2995  53%
8.5/16
54%
7.5/14
      
Rodent III 0.281 64-bit2994  50%
10/20
44%
8/18
      
Critter 0.90 32-bit2990  47%
7.5/16
43%
6/14
      
chess22k 1.11 64-bit2990     37%
9.5/26
25%
2/8
   
Demolito 2019-04-27 64-bit2986  50%
8/16
43%
9.5/22
      
Rodent III 0.275 64-bit2986   45%
10/22
 38%
9/24
    
Wasp 3.0 64-bit2985     43%
15.5/36
31%
2.5/8
   
RubiChess 1.3 64-bit2981   50%
2/4
42%
8/19
     
Demolito 2018-10-29 64-bit2978   47%
8.5/18
25%
1/4
43%
14.5/34
    
Stockfish 1.7.1 32-bit2978  59%
9.5/16
21%
3/14
      
Winter 0.5 64-bit 4CPU296160%
6/10
75%
7.5/10
        
Deuterium 2019.1.36.50 64-bit2954  72%
14.5/20
60%
15.5/26
38%
1.5/4
     
Amoeba 3.0 64-bit2953  45%
9/20
51%
20.5/40
      
Lc0 0.20.1 w11258 64-bit2951 60%
6/10
 0%
0/4
67%
8/12
     
The Baron 3.44 64-bit 4CPU293965%
6.5/10
85%
8.5/10
        
Crafty 25.2 64-bit2931   64%
9/14
 56%
14.5/26
    
Naum 4 32-bit2931   64%
9/14
52%
10.5/20
     
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.1.1
64-bit
Pirarucu
1.9.2
64-bit
Amoeba 2.8 64-bit2927 52%
16.5/32
 64%
11.5/18
43%
15.5/36
58%
15/26
    
Godel 6.0 64-bit2927  47%
7.5/16
   21%
3/14
   
Winter 0.6 64-bit2927  62%
10/16
57%
25/44
      
Pirarucu 2.6.1 64-bit2926    57%
34/60
 42%
8.5/20
   
Bobcat 8.0 64-bit2924     50%
2/4
44%
3.5/8
   
Cheng 4.39 64-bit2921   56%
10/18
48%
11.5/24
43%
12/28
    
Deep Junior Yokohama 64-bit2920   68%
9.5/14
 62%
2.5/4
    
Dirty CUCUMBER 64-bit2919 70%
22.5/32
62%
2.5/4
57%
12.5/22
61%
22/36
58%
7/12
    
Deuterium 2018.1.35.514 64-bit2913 59%
19/32
   48%
10.5/22
56%
4.5/8
   
RubiChess 1.2.1 64-bit2908    52%
10.5/20
50%
16/32
    
Toga II 4.0 64-bit2904   50%
2/4
54%
19.5/36
55%
11/20
    
Lc0 0.20.2 w32930 64-bit2902  66%
10.5/16
50%
2/4
      
Atlas 3.91 64-bit2901  75%
15/20
64%
9/14
54%
13/24
  22%
7/32
  
EXchess 7.97b 64-bit2894   57%
8/14
  31%
2.5/8
   
Winter 0.5 64-bit2894   50%
2/4
  25%
3.5/14
   
Topple 0.7.1 64-bit2891  62%
15/24
75%
6/8
      
Scorpio 2.8 64-bit2885   64%
9/14
 50%
10/20
46%
5.5/12
   
Gaviota 1.0 64-bit2860   64%
9/14
 48%
10.5/22
    
Marvin 3.3.2 64-bit2857  78%
12.5/16
71%
8.5/12
      
Thinker 5.4c Inert 32-bit2850   86%
12/14
58%
11.5/20
     
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.1.1
64-bit
Pirarucu
1.9.2
64-bit
Tucano 7.06 64-bit2849   25%
0.5/2
60%
14.5/24
60%
12/20
    
Fruit Reloaded 3.2.1 64-bit2834    69%
25/36
68%
15/22
50%
2/4
34%
11/32
  
Tucano 7.05 64-bit2824     60%
6/10
54%
6.5/12
   
Deep Junior 11.2 32-bit2818      62%
5/8
40%
4/10
  
Godel 4.4.5 64-bit2815     80%
17.5/22
75%
3/4
55%
5.5/10
  
GNU Chess 5.60 64-bit2811      75%
6/8
50%
5/10
  
Hannibal 1.0a 32-bit2801      62%
5/8
40%
4/10
  
Marvin 3.1.0 64-bit2791     61%
13.5/22
50%
2/4
30%
9/30
  
RofChade 1.0 64-bit2774     55%
11/20
58%
7/12
   
Carballo 1.7 64-bit2737      54%
6.5/12
50%
13/26
  
Shield 2.1 64-bit2730      56%
4.5/8
40%
9.5/24
  
Devel 2.00002725      81%
6.5/8
48%
20/42
  
GreKo 2018.07 64-bit2709      79%
30/38
50%
12/24
50%
4/8
 
Gogobello 1.4 64-bit2688      81%
6.5/8
46%
21/46
  
WyldChess 1.51 64-bit2684      69%
5.5/8
62%
2.5/4
  
Counter 2.7 64-bit2674      56%
4.5/8
25%
2.5/10
  
tomitankChess 2.0 64-bit2658      75%
6/8
50%
11/22
30%
9/30
 
Winter 0.2 64-bit2653      75%
6/8
65%
22/34
  
ECE X3 64-bit2645       62%
2.5/4
31%
2.5/8
 
DanaSah 7.32640       59%
19/32
44%
3.5/8
 
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.1.1
64-bit
Pirarucu
1.9.2
64-bit
Monolith 0.4 64-bit2608       63%
19/30
44%
3.5/8
 
Petir 4.392593       65%
6.5/10
25%
2/8
 
Brutus 8.05 64-bit2590      81%
6.5/8
 29%
3.5/12
 
RubiChess 0.9 64-bit2553       75%
21/28
31%
2.5/8
 
Orion 0.5 64-bit2527 100%
1/1
     68%
19/28
  
Bagatur 1.5e 64-bit2516       75%
7.5/10
56%
4.5/8
 
Pepito 1.59 64-bit2493  94%
15/16
     56%
4.5/8
 
RubiChess 0.8 64-bit2459        69%
5.5/8
22%
8/36
Popochin 4.1 64-bit2392        62%
5/8
22%
7/32
Bubble 1.52011   100%
2/2
     83%
26.5/32
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%

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 September 14, 2019