CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 9 engines!
9 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 June 15, 2019 with Bayeselo based on 1'059'406 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+
 Pirarucu 2.9.5 64-bit 4CPU3031+43−4447.4%+16.753.6%151 
66.2%
1Pirarucu 2.7.4 64-bit 4CPU3020+22−2155.7%−39.647.0%659
100.0%
 Pirarucu 2.9.5 64-bit2967+20−2047.7%+8.646.2%788
90.6%
 Pirarucu 2.7.4 64-bit2949+17−1848.9%+7.844.7%1036
97.0%
 Pirarucu 2.6.1 64-bit2925+20−2047.9%+11.845.2%810
100.0%
 Pirarucu 2.3.8 64-bit2852+23−2354.4%−32.640.1%608
100.0%
 Pirarucu 2.2.2 64-bit2696+19−1952.8%−20.733.7%955
100.0%
 Pirarucu 2.1.1 64-bit2551+28−2851.8%−15.629.5%454
100.0%
 Pirarucu 1.9.2 64-bit2236+24−2450.6%−6.718.4%694
 

Results matrix

Custom engine selection
#NameElo123456789
1Pirarucu 2.9.5 64-bit 4CPU3031         
2Pirarucu 2.7.4 64-bit 4CPU3020         
3Pirarucu 2.9.5 64-bit2967         
4Pirarucu 2.7.4 64-bit2949    34 − 26
+13−5=42
+10
    
5Pirarucu 2.6.1 64-bit2925   26 − 34
+5−13=42
−10
 11.5 − 8.5
+7−4=9
−28
   
6Pirarucu 2.3.8 64-bit2852    8.5 − 11.5
+4−7=9
+28
    
7Pirarucu 2.2.2 64-bit2696         
8Pirarucu 2.1.1 64-bit2551         
9Pirarucu 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
#NameElo123456789
1Pirarucu 2.9.5 64-bit 4CPU3031 66.299.499.9100.0100.0100.0100.0100.0
2Pirarucu 2.7.4 64-bit 4CPU302033.8 100.0100.0100.0100.0100.0100.0100.0
3Pirarucu 2.9.5 64-bit29670.60.0 90.699.8100.0100.0100.0100.0
4Pirarucu 2.7.4 64-bit29490.10.09.4 97.0100.0100.0100.0100.0
5Pirarucu 2.6.1 64-bit29250.00.00.23.0 100.0100.0100.0100.0
6Pirarucu 2.3.8 64-bit28520.00.00.00.00.0 100.0100.0100.0
7Pirarucu 2.2.2 64-bit26960.00.00.00.00.00.0 100.0100.0
8Pirarucu 2.1.1 64-bit25510.00.00.00.00.00.00.0 100.0
9Pirarucu 1.9.2 64-bit22360.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1Pirarucu 2.9.5 64-bit 4CPU3031 1540000000
2Pirarucu 2.7.4 64-bit 4CPU3020154 13615825424300
3Pirarucu 2.9.5 64-bit29670136 530450604206
4Pirarucu 2.7.4 64-bit29490158530 6409612400
5Pirarucu 2.6.1 64-bit29250254450640 24613600
6Pirarucu 2.3.8 64-bit28520246096246 338680
7Pirarucu 2.2.2 64-bit26960342124136338 1960
8Pirarucu 2.1.1 64-bit25510000068196 48
9Pirarucu 1.9.2 64-bit2236006000048 
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
#NameElo123456789
1Pirarucu 2.9.5 64-bit 4CPU3031 19.00.00.00.00.00.00.00.0
2Pirarucu 2.7.4 64-bit 4CPU302019.0 9.49.317.31.90.20.00.0
3Pirarucu 2.9.5 64-bit29670.09.4 29.128.24.32.40.00.4
4Pirarucu 2.7.4 64-bit29490.09.329.1 34.75.86.20.00.0
5Pirarucu 2.6.1 64-bit29250.017.328.234.7 17.37.70.00.0
6Pirarucu 2.3.8 64-bit28520.01.94.35.817.3 21.66.40.0
7Pirarucu 2.2.2 64-bit26960.00.22.46.27.721.6 13.90.0
8Pirarucu 2.1.1 64-bit25510.00.00.00.00.06.413.9 4.2
9Pirarucu 1.9.2 64-bit22360.00.00.40.00.00.00.04.2 
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 73 common opponents

Custom engine selection
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
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-bit3152  14%
2/14
 22%
4.5/20
    
Strelka 5.5 64-bit3104 44%
14/32
  18%
3.5/20
    
Wasp 3.50 64-bit 4CPU310225%
1/4
42%
2.5/6
       
Arasan 21.2 64-bit3078  29%
4/14
29%
10/34
     
RubiChess 1.3 64-bit 4CPU306436%
5/14
54%
22.5/42
       
ChessBrainVB 3.723061  31%
5.5/18
34%
11/32
     
Vajolet2 2.6 64-bit3060   35%
12.5/36
30%
6/20
    
Rodent III 0.276 64-bit 4CPU305941%
9/22
50%
3/6
       
chess22k 1.12 64-bit3051  32%
4.5/14
39%
12.5/32
42%
5/12
    
Demolito 2018-10-29 64-bit 4CPU305025%
1/4
50%
8/16
       
Senpai 2.0 64-bit3037  25%
1/4
40%
14.5/36
32%
6.5/20
    
Wasp 3.50 64-bit3030  42%
7.5/18
39%
22/57
     
SmarThink 1.98 64-bit3026 50%
16/32
38%
1.5/4
      
Bobcat 8.0 64-bit 4CPU302565%
6.5/10
42%
2.5/6
       
Cheng 4.39 64-bit 4CPU301045%
4.5/10
42%
2.5/6
       
Hakkapeliitta TCEC v2 64-bit2998 34%
11/32
38%
3/8
 48%
10.5/22
    
Defenchess (SCTR) 1.1f 64-bit2997  50%
4/8
35%
12.5/36
     
Sting SF 9 64-bit2995   50%
10/20
 50%
4/8
   
chess22k 1.11 64-bit2989    37%
9.5/26
25%
2/8
   
Rodent III 0.275 64-bit2984  45%
10/22
 38%
9/24
    
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
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
Wasp 3.0 64-bit2984    43%
15.5/36
31%
2.5/8
   
RubiChess 1.3 64-bit2979  50%
2/4
42%
8/19
     
Demolito 2018-10-29 64-bit2978  47%
8.5/18
25%
1/4
43%
14.5/34
    
Deuterium 2019.1.36.50 64-bit2956  61%
13.5/22
38%
1.5/4
     
Winter 0.5 64-bit 4CPU295360%
6/10
75%
7.5/10
       
Lc0 0.20.1 w11258 64-bit2941 60%
6/10
 67%
8/12
     
The Baron 3.44 64-bit 4CPU293665%
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
     
Amoeba 2.8 64-bit2926 52%
16.5/32
64%
11.5/18
43%
15.5/36
58%
15/26
    
Pirarucu 2.6.1 64-bit2925   57%
34/60
 42%
8.5/20
   
Bobcat 8.0 64-bit2924    50%
2/4
44%
3.5/8
   
Cheng 4.39 64-bit2922  57%
8/14
48%
11.5/24
43%
12/28
    
Deep Junior Yokohama 64-bit2920  68%
9.5/14
 62%
2.5/4
    
Dirty CUCUMBER 64-bit2915 70%
22.5/32
58%
10.5/18
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-bit2907   52%
10.5/20
50%
16/32
    
Toga II 4.0 64-bit2904  50%
2/4
54%
19.5/36
55%
11/20
    
Atlas 3.91 64-bit2900  64%
9/14
54%
13/24
  22%
7/32
  
EXchess 7.97b 64-bit2893  57%
8/14
  31%
2.5/8
   
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
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
Winter 0.5 64-bit2893  50%
2/4
  25%
3.5/14
   
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
    
Thinker 5.4c Inert 32-bit2850  86%
12/14
58%
11.5/20
     
Tucano 7.06 64-bit2847  25%
0.5/2
60%
14.5/24
60%
12/20
    
Fruit Reloaded 3.2.1 64-bit2832   69%
25/36
68%
15/22
50%
2/4
34%
11/32
  
Tucano 7.05 64-bit2823    60%
6/10
54%
6.5/12
   
Deep Junior 11.2 32-bit2818     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-bit2811     75%
6/8
50%
5/10
  
Hannibal 1.0a 32-bit2801     62%
5/8
40%
4/10
  
Marvin 3.1.0 64-bit2790    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-bit2738     54%
6.5/12
50%
13/26
  
Shield 2.1 64-bit2727     56%
4.5/8
40%
9.5/24
  
Devel 2.00002722     81%
6.5/8
48%
20/42
  
GreKo 2018.07 64-bit2707     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
  
NameEloPirarucu
2.9.5
64-bit
4CPU
Pirarucu
2.7.4
64-bit
4CPU
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
tomitankChess 2.0 64-bit2657     75%
6/8
50%
11/22
30%
9/30
 
Winter 0.2 64-bit2651     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-bit2607      63%
19/30
44%
3.5/8
 
Petir 4.392593      65%
6.5/10
25%
2/8
 
Brutus 8.05 64-bit2585     81%
6.5/8
 29%
3.5/12
 
RubiChess 0.9 64-bit2552      75%
21/28
31%
2.5/8
 
Orion 0.5 64-bit2526 100%
1/1
    68%
19/28
  
Bagatur 1.5e 64-bit2516      75%
7.5/10
56%
4.5/8
 
RubiChess 0.8 64-bit2459       69%
5.5/8
22%
8/36
Popochin 4.1 64-bit2391       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 June 15, 2019