CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
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 January 24, 2021 with Bayeselo based on 1'209'412 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 2.7.4 64-bit 4CPU3025+20−2053.6%−27.447.6%735 
52.0%
 Pirarucu 2.9.5 64-bit 4CPU3024+33−3350.0%−2.553.2%269
57.7%
 Pirarucu 3.3.5 64-bit3020+17−1751.3%−8.250.3%1016
71.6%
 Pirarucu 3.0.7 64-bit3012+19−1949.6%−2.752.4%840
89.5%
 Pirarucu 3.2.4 64-bit2994+22−2252.8%−18.547.1%646
97.2%
 Pirarucu 2.9.5 64-bit2966+19−1947.9%+7.146.2%874
89.7%
 Pirarucu 2.7.4 64-bit2949+17−1748.9%+7.944.7%1036
97.3%
 Pirarucu 2.6.1 64-bit2924+20−2047.9%+12.045.2%810
100.0%
 Pirarucu 2.3.8 64-bit2851+22−2252.9%−21.839.6%666
100.0%
 Pirarucu 2.2.2 64-bit2697+19−1952.6%−19.133.8%965
100.0%
 Pirarucu 2.1.1 64-bit2550+27−2751.3%−12.129.4%462
100.0%
 Pirarucu 1.9.2 64-bit2237+24−2450.6%−6.418.4%694
 

Results matrix

Custom engine selection
#NameElo123456789101112
1Pirarucu 2.7.4 64-bit 4CPU3025            
2Pirarucu 2.9.5 64-bit 4CPU3024            
3Pirarucu 3.3.5 64-bit3020            
4Pirarucu 3.0.7 64-bit3012            
5Pirarucu 3.2.4 64-bit2994            
6Pirarucu 2.9.5 64-bit2966            
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
−28
   
9Pirarucu 2.3.8 64-bit2851       8.5 − 11.5
+4−7=9
+28
    
10Pirarucu 2.2.2 64-bit2697            
11Pirarucu 2.1.1 64-bit2550            
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 4CPU3025 52.063.680.497.7100.0100.0100.0100.0100.0100.0100.0
2Pirarucu 2.9.5 64-bit 4CPU302448.0 57.771.492.399.8100.0100.0100.0100.0100.0100.0
3Pirarucu 3.3.5 64-bit302036.442.3 71.696.7100.0100.0100.0100.0100.0100.0100.0
4Pirarucu 3.0.7 64-bit301219.628.628.4 89.5100.0100.0100.0100.0100.0100.0100.0
5Pirarucu 3.2.4 64-bit29942.37.73.310.4 97.299.9100.0100.0100.0100.0100.0
6Pirarucu 2.9.5 64-bit29660.00.20.00.02.8 89.799.9100.0100.0100.0100.0
7Pirarucu 2.7.4 64-bit29490.00.00.00.00.110.3 97.3100.0100.0100.0100.0
8Pirarucu 2.6.1 64-bit29240.00.00.00.00.00.12.7 100.0100.0100.0100.0
9Pirarucu 2.3.8 64-bit28510.00.00.00.00.00.00.00.0 100.0100.0100.0
10Pirarucu 2.2.2 64-bit26970.00.00.00.00.00.00.00.00.0 100.0100.0
11Pirarucu 2.1.1 64-bit25500.00.00.00.00.00.00.00.00.00.0 100.0
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 4CPU3025 154121081815215825424300
2Pirarucu 2.9.5 64-bit 4CPU3024154 0000000000
3Pirarucu 3.3.5 64-bit3020120 33045013212680000
4Pirarucu 3.0.7 64-bit30121080330 50469620820610656240
5Pirarucu 3.2.4 64-bit2994180450504 2244242824200
6Pirarucu 2.9.5 64-bit29661520132696224 550458604206
7Pirarucu 2.7.4 64-bit294915801220842550 6409612400
8Pirarucu 2.6.1 64-bit292425406820642458640 24613600
9Pirarucu 2.3.8 64-bit28512400106826096246 338680
10Pirarucu 2.2.2 64-bit2697300564242124136338 1960
11Pirarucu 2.1.1 64-bit255000024000068196 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 4CPU3025 15.30.76.91.39.48.916.41.70.20.00.0
2Pirarucu 2.9.5 64-bit 4CPU302415.3 0.00.00.00.00.00.00.00.00.00.0
3Pirarucu 3.3.5 64-bit30200.70.0 17.827.17.00.63.70.00.00.00.0
4Pirarucu 3.0.7 64-bit30126.90.017.8 33.940.611.112.57.03.11.80.0
5Pirarucu 3.2.4 64-bit29941.30.027.133.9 14.72.52.96.22.60.00.0
6Pirarucu 2.9.5 64-bit29669.40.07.040.614.7 28.827.23.92.30.00.4
7Pirarucu 2.7.4 64-bit29498.90.00.611.12.528.8 34.75.66.20.00.0
8Pirarucu 2.6.1 64-bit292416.40.03.712.52.927.234.7 16.77.70.00.0
9Pirarucu 2.3.8 64-bit28511.70.00.07.06.23.95.616.7 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-bit25500.00.00.01.80.00.00.00.06.013.7 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 122 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-bit3144  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-bit3129   41%
6.5/16
25%
2/8
21%
3/14
      
Chiron 4 64-bit3114    12%
1/8
36%
5/14
      
Pedone 2.0 64-bit3107  41%
6.5/16
 39%
7/18
       
SlowChess Blitz Classic 1.9 64-bit3104   34%
5.5/16
31%
2.5/8
       
Strelka 5.5 64-bit310344%
14/32
      18%
3.5/20
    
Wasp 3.50 64-bit 4CPU310142%
2.5/6
25%
1/4
          
NirvanaChess 2.4 64-bit3099    25%
0.5/2
32%
4.5/14
      
Equinox 3.20 64-bit3094   44%
7/16
25%
2/8
18%
2.5/14
      
Fritz 15 64-bit3093    19%
1.5/8
43%
6/14
      
Nemorino 5.00 64-bit3085  38%
1.5/4
47%
7.5/16
25%
0.5/2
  22%
4.5/20
    
Hannibal 1.7 64-bit3079  44%
7/16
38%
6/16
        
Arasan 21.2 64-bit3077     29%
4/14
29%
10/34
     
chess22k 1.14 64-bit3077  25%
5/20
 25%
0.5/2
       
Rodent III 0.276 64-bit 4CPU306850%
3/6
42%
10/24
          
RubiChess 1.3 64-bit 4CPU306654%
22.5/42
36%
5/14
          
ChessBrainVB 3.743065  38%
1.5/4
43%
6/14
25%
0.5/2
       
Demolito 2018-10-29 64-bit 4CPU306550%
8/16
25%
1/4
          
Wasp 3.75 64-bit3062   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-bit3062   48%
12.5/26
38%
4.5/12
       
ChessBrainVB 3.723060     31%
5.5/18
34%
11/32
     
Vajolet2 2.6 64-bit3059      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-bit3048     32%
4.5/14
39%
12.5/32
42%
5/12
    
Wasp 3.60 64-bit3039   38%
6/16
 38%
6/16
      
Sting SF 15 64-bit3031   12%
0.5/4
 38%
9/24
      
Senpai 2.0 64-bit3030   50%
4/8
 25%
1/4
40%
14.5/36
32%
6.5/20
    
Wasp 3.50 64-bit3028     42%
7.5/18
39%
22/57
     
Bobcat 8.0 64-bit 4CPU302542%
2.5/6
65%
6.5/10
          
SmarThink 1.98 64-bit302550%
16/32
  54%
6.5/12
50%
2/4
38%
1.5/4
      
Cheng 4.39 64-bit 4CPU300942%
2.5/6
45%
4.5/10
          
Sting SF 19 64-bit3007  53%
9.5/18
 50%
4/8
       
Monolith 2 64-bit3004  57%
26/46
 68%
9.5/14
       
Winter 0.7 64-bit3002   50%
12/24
38%
12/32
       
Sting SF 9 64-bit3000   41%
6.5/16
  50%
10/20
 50%
4/8
   
Hakkapeliitta TCEC v2 64-bit299934%
11/32
  33%
4/12
 38%
3/8
 48%
10.5/22
    
Defenchess 1.1f 64-bit2996   50%
2/4
 50%
4/8
35%
12.5/36
     
Rybka 3 32-bit2995  50%
8/16
53%
8.5/16
62%
5/8
54%
7.5/14
      
Rodent III 0.281 64-bit2992   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-bit2989  66%
10.5/16
47%
7.5/16
50%
4/8
43%
6/14
      
Rodent IV 022 64-bit2989  57%
8/14
 44%
7/16
       
chess22k 1.11 64-bit2988       37%
9.5/26
25%
2/8
   
Demolito 2019-04-27 64-bit2985   50%
8/16
 43%
9.5/22
      
Rodent III 0.275 64-bit2985     45%
10/22
 38%
9/24
    
Topple 0.7.5 64-bit2983  55%
17.5/32
 69%
5.5/8
       
Wasp 3.0 64-bit2983       43%
15.5/36
31%
2.5/8
   
Deuterium 2019.2.37.73 64-bit2982  52%
15.5/30
52%
14.5/28
52%
14.5/28
       
Godel 7.0 64-bit2981  55%
25.5/46
 50%
3/6
       
RubiChess 1.3 64-bit2980     50%
2/4
42%
8/19
     
Minic 2.0 64-bit2979  56%
10/18
 50%
1/2
       
Demolito 2018-10-29 64-bit2977     47%
8.5/18
25%
1/4
43%
14.5/34
    
Stockfish 1.7.1 32-bit2976  72%
11.5/16
59%
9.5/16
 21%
3/14
      
Combusken 1.1.0 64-bit2974  56%
10/18
 25%
0.5/2
       
Amoeba 3.1 64-bit2968  59%
13/22
 58%
10.5/18
       
Winter 0.5 64-bit 4CPU296375%
7.5/10
60%
6/10
          
Amoeba 3.0 64-bit2961   47%
15/32
 51%
20.5/40
      
Hiarcs 142960  50%
2/4
    38%
1.5/4
    
Naum 4 64-bit2955  66%
10.5/16
44%
7/16
56%
4.5/8
       
Lc0 0.20.1 w11258 64-bit295460%
6/10
    0%
0/4
67%
8/12
     
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
SlowChess Blitz Classic 1.5 64-bit2954   62%
2.5/4
    45%
9/20
   
Deuterium 2019.1.36.50 64-bit2953   72%
14.5/20
 60%
15.5/26
38%
1.5/4
     
The Baron 3.44 64-bit 4CPU293985%
8.5/10
65%
6.5/10
          
Marvin 3.4.0 64-bit2937   88%
3.5/4
79%
9.5/12
   33%
4/12
   
Crafty 25.2 64-bit2931     64%
9/14
 56%
14.5/26
    
Naum 4 32-bit2929     64%
9/14
52%
10.5/20
     
Amoeba 2.8 64-bit292652%
16.5/32
    64%
11.5/18
43%
15.5/36
58%
15/26
    
Winter 0.6 64-bit2926   62%
10/16
 57%
25/44
      
Pirarucu 2.6.1 64-bit2924      57%
34/60
 42%
8.5/20
   
Bobcat 8.0 64-bit2923   38%
1.5/4
   50%
2/4
44%
3.5/8
   
Godel 6.0 64-bit2923   50%
10/20
62%
5/8
   21%
3/14
   
Cheng 4.39 64-bit2919   59%
9.5/16
100%
2/2
56%
10/18
48%
11.5/24
43%
12/28
    
Deep Junior Yokohama 64-bit2919     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
    
Crafty 25.3 64-bit2912   62%
2.5/4
    42%
5/12
   
Deuterium 2018.1.35.514 64-bit291259%
19/32
      48%
10.5/22
56%
4.5/8
   
Topple 0.7.3 64-bit2909   50%
2/4
69%
5.5/8
       
RubiChess 1.2.1 64-bit2907      52%
10.5/20
50%
16/32
    
Crafty 25.6 64-bit2904  68%
13.5/20
 62%
2.5/4
       
Lc0 0.20.2 w32930 64-bit2904   66%
10.5/16
 50%
2/4
      
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-bit2904    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-bit2898   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-bit2893     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
   
The Baron 3.44 64-bit2866    100%
2/2
 61%
19.5/32
     
Gaviota 1.0 64-bit2859     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-bit2852     25%
0.5/2
60%
14.5/24
60%
12/20
    
Thinker 5.4c Inert 32-bit2849     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-bit2816        62%
5/8
40%
4/10
  
Godel 4.4.5 64-bit2814       80%
17.5/22
75%
3/4
55%
5.5/10
  
GNU Chess 5.60 64-bit2813    62%
5/8
   75%
6/8
50%
5/10
  
Hannibal 1.0a 32-bit2800        62%
5/8
40%
4/10
  
Marvin 3.1.0 64-bit2790       61%
13.5/22
50%
2/4
30%
9/30
  
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
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-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-bit2674        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-bit2655        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
 
Monolith 0.4 64-bit2609         63%
19/30
44%
3.5/8
 
Petir 4.392591         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
 
RubiChess 0.8 64-bit2460          69%
5.5/8
22%
8/36
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
Popochin 4.1 64-bit2397          62%
5/8
22%
7/32
Bubble 1.52012     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 January 24, 2021