CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
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 CPU.
Computed on November 16, 2019 with Bayeselo based on 1'098'633 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 4CPU3022+22−2155.7%−40.247.0%659 
55.7%
 Pirarucu 2.9.5 64-bit 4CPU3019+35−3550.6%−5.651.9%235
60.6%
 Pirarucu 3.0.7 64-bit3013+20−2049.9%−5.352.8%756
100.0%
 Pirarucu 2.9.5 64-bit2967+19−1947.9%+7.246.2%874
89.4%
 Pirarucu 2.7.4 64-bit2951+17−1748.9%+7.244.7%1036
97.2%
 Pirarucu 2.6.1 64-bit2926+20−2047.9%+11.645.2%810
100.0%
 Pirarucu 2.3.8 64-bit2851+22−2253.1%−22.339.4%654
100.0%
 Pirarucu 2.2.2 64-bit2697+19−1952.6%−19.433.8%965
100.0%
 Pirarucu 2.1.1 64-bit2549+27−2751.3%−11.829.4%462
100.0%
 Pirarucu 1.9.2 64-bit2237+24−2450.6%−6.818.4%694
 

Results matrix

Custom engine selection
#NameElo12345678910
1Pirarucu 2.7.4 64-bit 4CPU3022          
2Pirarucu 2.9.5 64-bit 4CPU3019          
3Pirarucu 3.0.7 64-bit3013          
4Pirarucu 2.9.5 64-bit2967          
5Pirarucu 2.7.4 64-bit2951     34 − 26
+13−5=42
+9
    
6Pirarucu 2.6.1 64-bit2926    26 − 34
+5−13=42
−9
 11.5 − 8.5
+7−4=9
−30
   
7Pirarucu 2.3.8 64-bit2851     8.5 − 11.5
+4−7=9
+30
    
8Pirarucu 2.2.2 64-bit2697          
9Pirarucu 2.1.1 64-bit2549          
10Pirarucu 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
#NameElo12345678910
1Pirarucu 2.7.4 64-bit 4CPU3022 55.772.0100.0100.0100.0100.0100.0100.0100.0
2Pirarucu 2.9.5 64-bit 4CPU301944.3 60.699.399.9100.0100.0100.0100.0100.0
3Pirarucu 3.0.7 64-bit301328.039.4 100.0100.0100.0100.0100.0100.0100.0
4Pirarucu 2.9.5 64-bit29670.00.70.0 89.499.8100.0100.0100.0100.0
5Pirarucu 2.7.4 64-bit29510.00.10.010.6 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-bit28510.00.00.00.00.00.0 100.0100.0100.0
8Pirarucu 2.2.2 64-bit26970.00.00.00.00.00.00.0 100.0100.0
9Pirarucu 2.1.1 64-bit25490.00.00.00.00.00.00.00.0 100.0
10Pirarucu 1.9.2 64-bit22370.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Pirarucu 2.7.4 64-bit 4CPU3022 1548415215825424300
2Pirarucu 2.9.5 64-bit 4CPU3019154 00000000
3Pirarucu 3.0.7 64-bit3013840 6661801649456240
4Pirarucu 2.9.5 64-bit29671520666 550458604206
5Pirarucu 2.7.4 64-bit29511580180550 6409612400
6Pirarucu 2.6.1 64-bit29262540164458640 24613600
7Pirarucu 2.3.8 64-bit2851240946096246 338680
8Pirarucu 2.2.2 64-bit2697305642124136338 1960
9Pirarucu 2.1.1 64-bit2549002400068196 48
10Pirarucu 1.9.2 64-bit22370006000048 
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 2.7.4 64-bit 4CPU3022 17.25.99.99.317.31.80.20.00.0
2Pirarucu 2.9.5 64-bit 4CPU301917.2 0.00.00.00.00.00.00.00.0
3Pirarucu 3.0.7 64-bit30135.90.0 40.910.010.56.73.32.00.0
4Pirarucu 2.9.5 64-bit29679.90.040.9 28.827.23.92.30.00.4
5Pirarucu 2.7.4 64-bit29519.30.010.028.8 34.75.76.20.00.0
6Pirarucu 2.6.1 64-bit292617.30.010.527.234.7 16.87.70.00.0
7Pirarucu 2.3.8 64-bit28511.80.06.73.95.716.8 20.96.10.0
8Pirarucu 2.2.2 64-bit26970.20.03.32.36.27.720.9 13.70.0
9Pirarucu 2.1.1 64-bit25490.00.02.00.00.00.06.113.7 4.2
10Pirarucu 1.9.2 64-bit22370.00.00.00.40.00.00.00.04.2 
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 92 common opponents

Custom engine selection
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
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-bit3149  28%
4.5/16
14%
2/14
 22%
4.5/20
    
Laser 1.6 64-bit3130  41%
6.5/16
21%
3/14
      
Strelka 5.5 64-bit310444%
14/32
    18%
3.5/20
    
Wasp 3.50 64-bit 4CPU310242%
2.5/6
25%
1/4
        
Equinox 3.20 64-bit3097  44%
7/16
18%
2.5/14
      
Nemorino 5.00 64-bit3088  47%
7.5/16
  22%
4.5/20
    
Arasan 21.2 64-bit3079   29%
4/14
29%
10/34
     
Rodent III 0.276 64-bit 4CPU306750%
3/6
42%
10/24
        
RubiChess 1.3 64-bit 4CPU306654%
22.5/42
36%
5/14
        
ChessBrainVB 3.723062   31%
5.5/18
34%
11/32
     
Vajolet2 2.6 64-bit3061    35%
12.5/36
30%
6/20
    
Demolito 2018-10-29 64-bit 4CPU305750%
8/16
25%
1/4
        
chess22k 1.12 64-bit3050   32%
4.5/14
39%
12.5/32
42%
5/12
    
Wasp 3.60 64-bit3040  38%
6/16
38%
6/16
      
Senpai 2.0 64-bit3036  50%
4/8
25%
1/4
40%
14.5/36
32%
6.5/20
    
Sting SF 15 64-bit3033  12%
0.5/4
38%
9/24
      
Wasp 3.50 64-bit3030   42%
7.5/18
39%
22/57
     
Bobcat 8.0 64-bit 4CPU302642%
2.5/6
65%
6.5/10
        
SmarThink 1.98 64-bit302650%
16/32
 44%
3.5/8
38%
1.5/4
      
Cheng 4.39 64-bit 4CPU301042%
2.5/6
45%
4.5/10
        
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
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
Hakkapeliitta TCEC v2 64-bit299934%
11/32
 31%
2.5/8
38%
3/8
 48%
10.5/22
    
Sting SF 9 64-bit2999  41%
6.5/16
 50%
10/20
 50%
4/8
   
Defenchess 1.1f 64-bit2998  50%
2/4
50%
4/8
35%
12.5/36
     
Rybka 3 32-bit2994  53%
8.5/16
54%
7.5/14
      
Rodent III 0.281 64-bit2992  48%
11.5/24
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 4CPU296375%
7.5/10
60%
6/10
        
SlowChess Blitz Classic 1.5 64-bit2957  62%
2.5/4
   45%
9/20
   
Amoeba 3.0 64-bit2956  46%
13/28
51%
20.5/40
      
Deuterium 2019.1.36.50 64-bit2954  72%
14.5/20
60%
15.5/26
38%
1.5/4
     
Lc0 0.20.1 w11258 64-bit295460%
6/10
  0%
0/4
67%
8/12
     
The Baron 3.44 64-bit 4CPU293985%
8.5/10
65%
6.5/10
        
Marvin 3.4.0 64-bit2935  88%
3.5/4
   33%
4/12
   
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
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
Crafty 25.2 64-bit2931   64%
9/14
 56%
14.5/26
    
Naum 4 32-bit2931   64%
9/14
52%
10.5/20
     
Godel 6.0 64-bit2930  50%
10/20
   21%
3/14
   
Amoeba 2.8 64-bit292752%
16.5/32
  64%
11.5/18
43%
15.5/36
58%
15/26
    
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  38%
1.5/4
  50%
2/4
44%
3.5/8
   
Cheng 4.39 64-bit2922  50%
2/4
56%
10/18
48%
11.5/24
43%
12/28
    
Deep Junior Yokohama 64-bit2921   68%
9.5/14
 62%
2.5/4
    
Dirty CUCUMBER 64-bit291870%
22.5/32
 54%
6.5/12
57%
12.5/22
61%
22/36
58%
7/12
    
Deuterium 2018.1.35.514 64-bit291359%
19/32
    48%
10.5/22
56%
4.5/8
   
Lc0 0.20.2 w32930 64-bit2909  66%
10.5/16
50%
2/4
      
RubiChess 1.2.1 64-bit2908    52%
10.5/20
50%
16/32
    
Toga II 4.0 64-bit2905   50%
2/4
54%
19.5/36
55%
11/20
    
Atlas 3.91 64-bit2902  79%
19/24
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-bit2889  62%
15/24
75%
6/8
      
Scorpio 2.8 64-bit2886   64%
9/14
 50%
10/20
46%
5.5/12
   
Gaviota 1.0 64-bit2860   64%
9/14
 48%
10.5/22
    
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
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
Marvin 3.3.2 64-bit2858  78%
12.5/16
71%
8.5/12
      
Tucano 7.06 64-bit2853   25%
0.5/2
60%
14.5/24
60%
12/20
    
Thinker 5.4c Inert 32-bit2850   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
  
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-bit2812      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-bit2775     55%
11/20
58%
7/12
   
Carballo 1.7 64-bit2737      54%
6.5/12
50%
13/26
  
Shield 2.1 64-bit2729      56%
4.5/8
40%
9.5/24
  
Devel 2.00002724      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-bit2654      75%
6/8
65%
22/34
  
NameEloPirarucu
2.7.4
64-bit
4CPU
Pirarucu
2.9.5
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
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-bit2608       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-bit2553       75%
21/28
31%
2.5/8
 
Orion 0.5 64-bit2527100%
1/1
      68%
19/28
  
Bagatur 1.5e 64-bit2516       75%
7.5/10
56%
4.5/8
 
Pepito 1.59 64-bit2492  94%
15/16
     56%
4.5/8
 
RubiChess 0.8 64-bit2459        69%
5.5/8
22%
8/36
Popochin 4.1 64-bit2393        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 November 16, 2019