CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 12 engines!
12 selected engines played 80 games with each other

CCRL 40/15 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 15 minutes on an Intel i7-4770k.
Computed on May 8, 2021 with Bayeselo based on 1'242'291 games
Please refer to the "about" page for comments on engine inclusion

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 2.7.4 64-bit 4CPU3024+21−2053.6%−27.647.6%735 
52.0%
 Pirarucu 2.9.5 64-bit 4CPU3023+33−3350.0%−2.753.2%269
68.8%
 Pirarucu 3.3.5 64-bit3013+16−1650.7%−4.349.7%1202
54.3%
 Pirarucu 3.0.7 64-bit3012+19−1949.6%−3.452.4%840
89.8%
 Pirarucu 3.2.4 64-bit2993+22−2252.8%−18.547.1%646
97.1%
 Pirarucu 2.9.5 64-bit2965+19−1947.9%+7.446.2%874
89.6%
 Pirarucu 2.7.4 64-bit2949+17−1748.9%+7.244.7%1036
97.4%
 Pirarucu 2.6.1 64-bit2924+20−2047.9%+11.245.2%810
100.0%
 Pirarucu 2.3.8 64-bit2850+22−2252.9%−21.439.6%666
100.0%
 Pirarucu 2.2.2 64-bit2697+19−1952.6%−19.733.8%965
100.0%
 Pirarucu 2.1.1 64-bit2549+27−2751.3%−11.629.4%462
100.0%
 Pirarucu 1.9.2 64-bit2237+24−2450.6%−6.718.4%694
 

Results matrix

Custom engine selection
#NameElo123456789101112
1Pirarucu 2.7.4 64-bit 4CPU3024            
2Pirarucu 2.9.5 64-bit 4CPU3023            
3Pirarucu 3.3.5 64-bit3013            
4Pirarucu 3.0.7 64-bit3012            
5Pirarucu 3.2.4 64-bit2993            
6Pirarucu 2.9.5 64-bit2965            
7Pirarucu 2.7.4 64-bit2949       34 − 26
+13−5=42
+9
    
8Pirarucu 2.6.1 64-bit2924      26 − 34
+5−13=42
−9
 11.5 − 8.5
+7−4=9
−29
   
9Pirarucu 2.3.8 64-bit2850       8.5 − 11.5
+4−7=9
+29
    
10Pirarucu 2.2.2 64-bit2697            
11Pirarucu 2.1.1 64-bit2549            
12Pirarucu 1.9.2 64-bit2237            
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
1Pirarucu 2.7.4 64-bit 4CPU3024 52.078.279.597.6100.0100.0100.0100.0100.0100.0100.0
2Pirarucu 2.9.5 64-bit 4CPU302348.0 68.870.792.299.8100.0100.0100.0100.0100.0100.0
3Pirarucu 3.3.5 64-bit301321.831.2 54.392.7100.0100.0100.0100.0100.0100.0100.0
4Pirarucu 3.0.7 64-bit301220.529.345.7 89.8100.0100.0100.0100.0100.0100.0100.0
5Pirarucu 3.2.4 64-bit29932.47.87.310.2 97.199.9100.0100.0100.0100.0100.0
6Pirarucu 2.9.5 64-bit29650.00.20.00.02.9 89.699.9100.0100.0100.0100.0
7Pirarucu 2.7.4 64-bit29490.00.00.00.00.110.3 97.4100.0100.0100.0100.0
8Pirarucu 2.6.1 64-bit29240.00.00.00.00.00.12.6 100.0100.0100.0100.0
9Pirarucu 2.3.8 64-bit28500.00.00.00.00.00.00.00.0 100.0100.0100.0
10Pirarucu 2.2.2 64-bit26970.00.00.00.00.00.00.00.00.0 100.0100.0
11Pirarucu 2.1.1 64-bit25490.00.00.00.00.00.00.00.00.00.0 100.0
12Pirarucu 1.9.2 64-bit22370.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1Pirarucu 2.7.4 64-bit 4CPU3024 154121081815215825424300
2Pirarucu 2.9.5 64-bit 4CPU3023154 0000000000
3Pirarucu 3.3.5 64-bit3013120 33446613212680000
4Pirarucu 3.0.7 64-bit30121080334 50469620820610656240
5Pirarucu 3.2.4 64-bit2993180466504 2244242824200
6Pirarucu 2.9.5 64-bit29651520132696224 550458604206
7Pirarucu 2.7.4 64-bit294915801220842550 6409612400
8Pirarucu 2.6.1 64-bit292425406820642458640 24613600
9Pirarucu 2.3.8 64-bit28502400106826096246 338680
10Pirarucu 2.2.2 64-bit2697300564242124136338 1960
11Pirarucu 2.1.1 64-bit254900024000068196 48
12Pirarucu 1.9.2 64-bit2237000006000048 
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
1Pirarucu 2.7.4 64-bit 4CPU3024 15.30.66.91.39.48.916.41.70.20.00.0
2Pirarucu 2.9.5 64-bit 4CPU302315.3 0.00.00.00.00.00.00.00.00.00.0
3Pirarucu 3.3.5 64-bit30130.60.0 16.425.26.40.53.40.00.00.00.0
4Pirarucu 3.0.7 64-bit30126.90.016.4 33.940.611.112.57.03.11.80.0
5Pirarucu 3.2.4 64-bit29931.30.025.233.9 14.72.52.96.22.60.00.0
6Pirarucu 2.9.5 64-bit29659.40.06.440.614.7 28.827.23.92.30.00.4
7Pirarucu 2.7.4 64-bit29498.90.00.511.12.528.8 34.75.66.20.00.0
8Pirarucu 2.6.1 64-bit292416.40.03.412.52.927.234.7 16.77.70.00.0
9Pirarucu 2.3.8 64-bit28501.70.00.07.06.23.95.616.7 20.76.00.0
10Pirarucu 2.2.2 64-bit26970.20.00.03.12.62.36.27.720.7 13.70.0
11Pirarucu 2.1.1 64-bit25490.00.00.01.80.00.00.00.06.013.7 4.2
12Pirarucu 1.9.2 64-bit22370.00.00.00.00.00.40.00.00.00.04.2 
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 123 common opponents

Custom engine selection
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
3.2.4
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-bit3143  41%
6.5/16
28%
4.5/16
31%
2.5/8
14%
2/14
 22%
4.5/20
    
Schooner 2.1 64-bit3131  31%
5/16
34%
5.5/16
12%
1/8
       
Laser 1.6 64-bit3128   41%
6.5/16
25%
2/8
21%
3/14
      
Chiron 4 64-bit3113    12%
1/8
36%
5/14
      
Pedone 2.0 64-bit3106  41%
6.5/16
 39%
7/18
       
SlowChess Blitz Classic 1.9 64-bit3103   34%
5.5/16
31%
2.5/8
       
Strelka 5.5 64-bit310144%
14/32
      18%
3.5/20
    
Wasp 3.50 64-bit 4CPU309942%
2.5/6
25%
1/4
          
NirvanaChess 2.4 64-bit3098    25%
0.5/2
32%
4.5/14
      
Equinox 3.20 64-bit3093   44%
7/16
25%
2/8
18%
2.5/14
      
Fritz 15 64-bit3092    19%
1.5/8
43%
6/14
      
Nemorino 5.00 64-bit3084  38%
1.5/4
47%
7.5/16
25%
0.5/2
  22%
4.5/20
    
Hannibal 1.7 64-bit3078  44%
7/16
38%
6/16
        
Arasan 21.2 64-bit3076     29%
4/14
29%
10/34
     
chess22k 1.14 64-bit3076  25%
5/20
 25%
0.5/2
       
Rodent III 0.276 64-bit 4CPU306650%
3/6
42%
10/24
          
ChessBrainVB 3.743065  38%
1.5/4
43%
6/14
25%
0.5/2
       
RubiChess 1.3 64-bit 4CPU306554%
22.5/42
36%
5/14
          
Demolito 2018-10-29 64-bit 4CPU306350%
8/16
25%
1/4
          
Wasp 3.75 64-bit3061   31%
7.5/24
40%
4/10
       
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
3.2.4
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
chess22k 1.13 64-bit3061   48%
12.5/26
38%
4.5/12
       
ChessBrainVB 3.723060     31%
5.5/18
34%
11/32
     
Vajolet2 2.6 64-bit3058      35%
12.5/36
30%
6/20
    
iCE 4.0 64-bit3058  62%
2.5/4
44%
7/16
40%
4/10
       
chess22k 1.12 64-bit3047     32%
4.5/14
39%
12.5/32
42%
5/12
    
Wasp 3.60 64-bit3038   38%
6/16
 38%
6/16
      
Senpai 2.0 64-bit3030   50%
4/8
 25%
1/4
40%
14.5/36
32%
6.5/20
    
Sting SF 15 64-bit3030   12%
0.5/4
 38%
9/24
      
Wasp 3.50 64-bit3027     42%
7.5/18
39%
22/57
     
Bobcat 8.0 64-bit 4CPU302442%
2.5/6
65%
6.5/10
          
SmarThink 1.98 64-bit302450%
16/32
  54%
6.5/12
50%
2/4
38%
1.5/4
      
Cheng 4.39 64-bit 4CPU300842%
2.5/6
45%
4.5/10
          
Sting SF 19 64-bit3006  53%
9.5/18
 50%
4/8
       
Monolith 2 64-bit3002  57%
26/46
 68%
9.5/14
       
Winter 0.7 64-bit3001   50%
12/24
38%
12/32
       
Sting SF 9 64-bit2999   41%
6.5/16
  50%
10/20
 50%
4/8
   
Hakkapeliitta TCEC v2 64-bit299834%
11/32
  33%
4/12
 38%
3/8
 48%
10.5/22
    
Defenchess 1.1f 64-bit2995   50%
2/4
 50%
4/8
35%
12.5/36
     
Rybka 3 32-bit2994  50%
8/16
53%
8.5/16
62%
5/8
54%
7.5/14
      
Rodent III 0.281 64-bit2991   48%
11.5/24
 44%
8/18
      
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
3.2.4
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
Critter 0.90 32-bit2988  66%
10.5/16
47%
7.5/16
50%
4/8
43%
6/14
      
Rodent IV 022 64-bit2987  57%
8/14
 44%
7/16
       
chess22k 1.11 64-bit2987       37%
9.5/26
25%
2/8
   
Demolito 2019-04-27 64-bit2984   50%
8/16
 43%
9.5/22
      
Rodent III 0.275 64-bit2984     45%
10/22
 38%
9/24
    
Topple 0.7.5 64-bit2982  55%
17.5/32
 69%
5.5/8
       
Wasp 3.0 64-bit2982       43%
15.5/36
31%
2.5/8
   
Godel 7.0 64-bit2979  54%
27/50
 50%
3/6
       
RubiChess 1.3 64-bit2979     50%
2/4
42%
8/19
     
Deuterium 2019.2.37.73 64-bit2978  53%
18/34
52%
14.5/28
52%
14.5/28
       
Minic 2.0 64-bit2977  56%
10/18
 50%
1/2
       
Demolito 2018-10-29 64-bit2976     47%
8.5/18
25%
1/4
43%
14.5/34
    
Stockfish 1.7.1 32-bit2975  72%
11.5/16
59%
9.5/16
 21%
3/14
      
Combusken 1.1.0 64-bit2972  56%
10/18
 25%
0.5/2
       
Amoeba 3.1 64-bit2966  59%
13/22
 58%
10.5/18
       
Amoeba 3.0 64-bit2961   47%
15/32
 51%
20.5/40
      
Winter 0.5 64-bit 4CPU296175%
7.5/10
60%
6/10
          
Hiarcs 142959  50%
2/4
    38%
1.5/4
    
Naum 4 64-bit2954  66%
10.5/16
44%
7/16
56%
4.5/8
       
SlowChess Blitz Classic 1.5 64-bit2954   62%
2.5/4
    45%
9/20
   
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
3.2.4
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
Lc0 0.20.1 w11258 64-bit295360%
6/10
    0%
0/4
67%
8/12
     
Deuterium 2019.1.36.50 64-bit2952   72%
14.5/20
 60%
15.5/26
38%
1.5/4
     
The Baron 3.44 64-bit 4CPU293785%
8.5/10
65%
6.5/10
          
Marvin 3.4.0 64-bit2936   88%
3.5/4
79%
9.5/12
   33%
4/12
   
Crafty 25.2 64-bit2930     64%
9/14
 56%
14.5/26
    
Naum 4 32-bit2929     64%
9/14
52%
10.5/20
     
Winter 0.6 64-bit2926   62%
10/16
 57%
25/44
      
Amoeba 2.8 64-bit292552%
16.5/32
    64%
11.5/18
43%
15.5/36
58%
15/26
    
Pirarucu 2.6.1 64-bit2924      57%
34/60
 42%
8.5/20
   
Bobcat 8.0 64-bit2922   38%
1.5/4
   50%
2/4
44%
3.5/8
   
Godel 6.0 64-bit2922   50%
10/20
62%
5/8
   21%
3/14
   
Cheng 4.39 64-bit2918   59%
9.5/16
100%
2/2
56%
10/18
48%
11.5/24
43%
12/28
    
Deep Junior Yokohama 64-bit2918     68%
9.5/14
 62%
2.5/4
    
Dirty CUCUMBER 64-bit291770%
22.5/32
 38%
1.5/4
54%
6.5/12
50%
1/2
57%
12.5/22
61%
22/36
58%
7/12
    
Deuterium 2018.1.35.514 64-bit291259%
19/32
      48%
10.5/22
56%
4.5/8
   
Crafty 25.3 64-bit2911   62%
2.5/4
    42%
5/12
   
RubiChess 1.2.1 64-bit2907      52%
10.5/20
50%
16/32
    
Topple 0.7.3 64-bit2907   50%
2/4
69%
5.5/8
       
Lc0 0.20.2 w32930 64-bit2905   66%
10.5/16
 50%
2/4
      
Crafty 25.6 64-bit2903  67%
16/24
 62%
2.5/4
       
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
3.2.4
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
Quazar 0.4 64-bit2903    62%
5/8
71%
10/14
      
Toga II 4.0 64-bit2903     50%
2/4
54%
19.5/36
55%
11/20
    
Atlas 3.91 64-bit2897   79%
19/24
69%
5.5/8
64%
9/14
54%
13/24
  22%
7/32
  
EXchess 7.97b 64-bit2893     57%
8/14
  31%
2.5/8
   
Winter 0.5 64-bit2892     50%
2/4
  25%
3.5/14
   
Topple 0.7.1 64-bit2888   62%
15/24
 75%
6/8
      
Scorpio 2.8 64-bit2884     64%
9/14
 50%
10/20
46%
5.5/12
   
Invictus r305 64-bit2878  50%
2/4
 69%
5.5/8
       
The Baron 3.44 64-bit2865    100%
2/2
 61%
19.5/32
     
Gaviota 1.0 64-bit2858     64%
9/14
 48%
10.5/22
    
Marvin 3.3.2 64-bit2857   78%
12.5/16
 71%
8.5/12
      
Tucano 7.06 64-bit2851     25%
0.5/2
60%
14.5/24
60%
12/20
    
Thinker 5.4c Inert 32-bit2848     86%
12/14
58%
11.5/20
     
Fruit Reloaded 3.2.1 64-bit2836      69%
25/36
68%
15/22
50%
2/4
34%
11/32
  
Zurichess Neuchatel 64-bit2829    75%
6/8
   58%
7/12
   
Tucano 7.05 64-bit2823       60%
6/10
54%
6.5/12
   
Deep Junior 11.2 32-bit2815        62%
5/8
40%
4/10
  
GNU Chess 5.60 64-bit2813    62%
5/8
   75%
6/8
50%
5/10
  
Godel 4.4.5 64-bit2813       80%
17.5/22
75%
3/4
55%
5.5/10
  
Hannibal 1.0a 32-bit2799        62%
5/8
40%
4/10
  
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
3.2.4
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
Marvin 3.1.0 64-bit2790       61%
13.5/22
50%
2/4
30%
9/30
  
RofChade 1.0 64-bit2773       55%
11/20
58%
7/12
   
Carballo 1.7 64-bit2736        54%
6.5/12
50%
13/26
  
Shield 2.1 64-bit2727        56%
4.5/8
40%
9.5/24
  
Devel 2.00002724        81%
6.5/8
48%
20/42
  
GreKo 2018.07 64-bit2708        79%
30/38
50%
12/24
50%
4/8
 
Gogobello 1.4 64-bit2687        81%
6.5/8
46%
21/46
  
WyldChess 1.51 64-bit2682        69%
5.5/8
62%
2.5/4
  
Counter 2.7 64-bit2673        56%
4.5/8
25%
2.5/10
  
tomitankChess 2.0 64-bit2657        75%
6/8
50%
11/22
30%
9/30
 
Winter 0.2 64-bit2654        75%
6/8
65%
22/34
  
ECE X3 64-bit2645         62%
2.5/4
31%
2.5/8
 
DanaSah 7.32639         59%
19/32
44%
3.5/8
 
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-bit2589        81%
6.5/8
 29%
3.5/12
 
RubiChess 0.9 64-bit2554         75%
21/28
31%
2.5/8
 
Orion 0.5 64-bit2527100%
1/1
        68%
19/28
  
Bagatur 1.5e 64-bit2517         75%
7.5/10
56%
4.5/8
 
Pepito 1.59.2 64-bit2495   94%
15/16
      56%
4.5/8
 
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
3.2.4
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
RubiChess 0.8 64-bit2459          69%
5.5/8
22%
8/36
Popochin 4.1 64-bit2396          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 May 8, 2021