CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 11 engines!
11 selected engines played 52 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on October 12, 2019 with Bayeselo based on 2'115'766 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Pirarucu 2.9.5 64-bit 4CPU3087+28−2856.5%−42.043.7%398 
100.0%
 Pirarucu 3.0.7 64-bit3022+16−1648.7%+5.541.6%1210
99.8%
 Pirarucu 2.9.5 64-bit2985+18−1849.8%−2.238.8%962
81.5%
 Pirarucu 2.7.4 64-bit2974+15−1548.6%+7.942.8%1348
100.0%
 Pirarucu 2.6.1 64-bit2934+16−1644.4%+36.637.3%1414
100.0%
 Pirarucu 2.3.8 64-bit2866+19−1951.4%−14.234.1%984
100.0%
 Pirarucu 2.2.2 64-bit2675+18−1750.6%−9.126.6%1246
100.0%
 Pirarucu 2.0.2 64-bit2348+37−3665.5%−126.515.5%310
87.1%
 Pirarucu 2.0.0 64-bit2325+16−1658.2%−63.318.7%1484
100.0%
 Pirarucu 1.72 64-bit2094+30−2965.6%−122.714.0%464
100.0%
 Pirarucu 1.4 64-bit1853+31−3142.6%+60.116.7%408
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Pirarucu 2.9.5 64-bit 4CPU3087           
2Pirarucu 3.0.7 64-bit3022           
3Pirarucu 2.9.5 64-bit2985           
4Pirarucu 2.7.4 64-bit2974           
5Pirarucu 2.6.1 64-bit2934     33 − 19
+19−5=28
+12
     
6Pirarucu 2.3.8 64-bit2866    19 − 33
+5−19=28
−12
      
7Pirarucu 2.2.2 64-bit2675           
8Pirarucu 2.0.2 64-bit2348           
9Pirarucu 2.0.0 64-bit2325           
10Pirarucu 1.72 64-bit2094           
11Pirarucu 1.4 64-bit1853           
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
#NameElo1234567891011
1Pirarucu 2.9.5 64-bit 4CPU3087 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Pirarucu 3.0.7 64-bit30220.0 99.8100.0100.0100.0100.0100.0100.0100.0100.0
3Pirarucu 2.9.5 64-bit29850.00.2 81.5100.0100.0100.0100.0100.0100.0100.0
4Pirarucu 2.7.4 64-bit29740.00.018.5 100.0100.0100.0100.0100.0100.0100.0
5Pirarucu 2.6.1 64-bit29340.00.00.00.0 100.0100.0100.0100.0100.0100.0
6Pirarucu 2.3.8 64-bit28660.00.00.00.00.0 100.0100.0100.0100.0100.0
7Pirarucu 2.2.2 64-bit26750.00.00.00.00.00.0 100.0100.0100.0100.0
8Pirarucu 2.0.2 64-bit23480.00.00.00.00.00.00.0 87.1100.0100.0
9Pirarucu 2.0.0 64-bit23250.00.00.00.00.00.00.012.9 100.0100.0
10Pirarucu 1.72 64-bit20940.00.00.00.00.00.00.00.00.0 100.0
11Pirarucu 1.4 64-bit18530.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Pirarucu 2.9.5 64-bit 4CPU3087 17923478237000000
2Pirarucu 3.0.7 64-bit3022179 90483593439100000
3Pirarucu 2.9.5 64-bit2985234904 909102235500000
4Pirarucu 2.7.4 64-bit297478835909 1004540960000
5Pirarucu 2.6.1 64-bit293423793410221004 9302880000
6Pirarucu 2.3.8 64-bit28660391355540930 2880000
7Pirarucu 2.2.2 64-bit267500096288288 67800
8Pirarucu 2.0.2 64-bit23480000006 11230
9Pirarucu 2.0.0 64-bit232500000078112 00
10Pirarucu 1.72 64-bit2094000000030 113
11Pirarucu 1.4 64-bit1853000000000113 
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
#NameElo1234567891011
1Pirarucu 2.9.5 64-bit 4CPU3087 11.117.24.513.10.00.00.00.00.00.0
2Pirarucu 3.0.7 64-bit302211.1 41.632.635.617.80.00.00.00.00.0
3Pirarucu 2.9.5 64-bit298517.241.6 39.443.018.20.00.00.00.00.0
4Pirarucu 2.7.4 64-bit29744.532.639.4 36.423.23.70.00.00.00.0
5Pirarucu 2.6.1 64-bit293413.135.643.036.4 38.810.80.00.00.00.0
6Pirarucu 2.3.8 64-bit28660.017.818.223.238.8 12.90.00.00.00.0
7Pirarucu 2.2.2 64-bit26750.00.00.03.710.812.9 0.42.90.00.0
8Pirarucu 2.0.2 64-bit23480.00.00.00.00.00.00.4 6.20.40.0
9Pirarucu 2.0.0 64-bit23250.00.00.00.00.00.02.96.2 0.00.0
10Pirarucu 1.72 64-bit20940.00.00.00.00.00.00.00.40.0 13.0
11Pirarucu 1.4 64-bit18530.00.00.00.00.00.00.00.00.013.0 
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 56 common opponents

Custom engine selection
NameEloPirarucu
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
2.0.2
64-bit
Pirarucu
2.0.0
64-bit
Pirarucu
1.72
64-bit
Pirarucu
1.4
64-bit
Xiphos 0.3 64-bit3137     0%
0/1
0%
0/1
    
NirvanaChess 2.4 64-bit3130 36%
11.5/32
 38%
21/55
       
Texel 1.07 64-bit3113 36%
11.5/32
   50%
0.5/1
     
Rybka 4.1 64-bit3109 35%
11/31
 36%
19.5/54
       
Protector 1.9.0 64-bit3085 29%
9.5/33
  25%
12.5/50
      
Senpai 2.0 64-bit3085 48%
15/31
 31%
17/55
26%
13.5/51
      
Vajolet2 2.6 64-bit3084   0%
0/1
28%
14.5/51
      
iCE 3.0 64-bit308152%
15/29
35%
11.5/33
38%
15/40
 26%
13.5/52
      
Wasp 3.50 64-bit3065  39%
12.5/32
40%
34/85
       
ChessBrainVB 3.723048 50%
16/32
45%
14.5/32
        
Defenchess 1.1f 64-bit3047 45%
14.5/32
44%
14/32
39%
21/54
36%
18/50
50%
0.5/1
     
SmarThink 1.98 64-bit303759%
16/27
72%
23/32
45%
31.5/70
 48%
24/50
      
Naum 4.6 64-bit3032 40%
12/30
44%
14/32
42%
22.5/54
34%
17.5/51
      
Hakkapeliitta TCEC v2 64-bit302245%
12.5/28
53%
16/30
45%
32.5/72
28%
14/50
36%
18.5/51
      
Deuterium 2019.1.36.50 64-bit2999 50%
16/32
56%
18/32
56%
17.5/31
       
Rodent III 0.275 64-bit2998  39%
12.5/32
 54%
27.5/51
      
Hiarcs 142987 53%
16.5/31
36%
11.5/32
 37%
11/30
36%
11.5/32
     
Amoeba 3.0 64-bit2972 53%
17/32
55%
22/40
        
Bobcat 8.0 64-bit2959 62%
20/32
56%
40/72
54%
56.5/104
38%
20/52
39%
12.5/32
     
Demolito 2018-03-01 64-bit2958    44%
23/52
38%
12.5/33
     
NameEloPirarucu
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
2.0.2
64-bit
Pirarucu
2.0.0
64-bit
Pirarucu
1.72
64-bit
Pirarucu
1.4
64-bit
Amoeba 2.8 64-bit2953  50%
36/72
55%
47.5/87
42%
23/55
42%
13.5/32
     
Deuterium 2018.1.35.514 64-bit2952   47%
23.5/50
49%
24/49
34%
11/32
     
Cheng 4.39 64-bit2946 61%
19.5/32
60%
43.5/72
53%
26/49
46%
25/54
42%
13.5/32
     
Winter 0.6 64-bit2938 62%
20/32
56%
18/32
        
Crafty 25.2 64-bit2933 69%
21.5/31
  50%
16/32
38%
12.5/33
     
Dirty CUCUMBER 64-bit2930 69%
22/32
  62%
20/32
      
Atlas 3.91 64-bit2927 66%
20.5/31
   44%
14/32
     
Spark 1.0 64-bit2927 69%
22/32
 65%
32.5/50
 42%
13.5/32
     
Spike 1.4 Leiden2922   49%
24.5/50
 42%
13.5/32
     
Toga II 4.0 64-bit2916    45%
14.5/32
36%
11.5/32
     
DiscoCheck 5.2.1 64-bit2914 50%
0.5/1
 51%
27/53
       
Scorpio 2.8 64-bit2902    45%
14.5/32
100%
1/1
     
Zurichess Neuchatel 64-bit2901   57%
31/54
 50%
0.5/1
     
Gaviota 1.0 64-bit2873   65%
32.5/50
44%
14/32
 19%
7.5/40
    
Zappa Mexico II 64-bit2844   69%
34.5/50
 100%
1/1
     
Godel 4.4.5 64-bit2839   100%
1/1
77%
24.5/32
42%
19.5/46
     
RuyDos 1.1.6 64-bit2798    66%
21/32
 39%
15.5/40
    
Marvin 3.1.0 64-bit2793    56%
18/32
53%
17/32
     
Pawny 1.2 64-bit2768   100%
1/1
 58%
18.5/32
33%
18.5/56
    
Bison 9.11 64-bit2762    66%
21/32
 36%
14.5/40
    
NameEloPirarucu
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
2.0.2
64-bit
Pirarucu
2.0.0
64-bit
Pirarucu
1.72
64-bit
Pirarucu
1.4
64-bit
Chronos 1.9.9 64-bit2740 0%
0/1
 100%
1/1
 80%
25.5/32
     
Shield 2.1 64-bit2740   0%
0/1
 72%
23/32
44%
17.5/40
    
Cheese 1.9 64-bit2731     84%
13.5/16
44%
17.5/40
    
Devel 2.00002710    75%
24/32
62%
20/32
52%
21/40
    
Donna 4.0 64-bit2651     100%
1/1
49%
19.5/40
    
DanaSah 7.32617     50%
0.5/1
59%
23.5/40
    
Delocto 0.6 64-bit2610      59%
24/41
0%
0/1
   
Teki 2 64-bit2392      84%
33.5/40
 45%
13/29
  
Patzer 3.802375      50%
0.5/1
 58%
15/26
  
Plisk 0.2.7d 64-bit2343      50%
0.5/1
54%
13.5/25
37%
10/27
  
CT800 1.30 64-bit2229       70%
17.5/25
66%
21/32
  
Beowulf 2.4a 32-bit2203      100%
1/1
 81%
13/16
  
Hedgehog 1.814 64-bit2126       100%
1/1
81%
13/16
  
Plywood 1.732020         56%
15/27
29%
8.5/29
Snowy 0.2 64-bit1989       100%
1/1
 65%
17/26
 
Arabian Knight 1.551988         61%
17/28
31%
9/29
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 October 12, 2019