CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 12 engines!
12 selected engines played 34 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 15, 2021 with Bayeselo based on 1'244'261 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+
1Winter 0.9 64-bit3127+17−1748.3%+8.950.7%1035 
89.9%
 Winter 0.7 64-bit 4CPU3106+25−2645.1%+31.747.1%463
93.2%
 Winter 0.8 64-bit3080+21−2153.9%−26.147.2%703
99.9%
 Winter 0.6 64-bit 4CPU3015+32−3253.0%−27.735.6%329
75.9%
 Winter 0.7 64-bit3002+17−1751.1%−7.343.1%1088
99.1%
 Winter 0.5 64-bit 4CPU2962+26−2650.4%−5.338.3%470
98.3%
 Winter 0.6 64-bit2926+18−1850.0%−1.138.7%1010
99.6%
 Winter 0.5 64-bit2893+17−1751.8%−12.040.8%1177
100.0%
 Winter 0.4a 64-bit2833+24−2448.0%+10.543.5%552
100.0%
 Winter 0.3 64-bit2764+25−2548.3%+11.336.3%543
100.0%
 Winter 0.2 64-bit2655+16−1652.6%−24.526.6%1524
100.0%
 Winter 0.1.1 64-bit2497+22−2149.8%−1.028.9%764
 

Results matrix

Custom engine selection
#NameElo123456789101112
1Winter 0.9 64-bit3127            
2Winter 0.7 64-bit 4CPU3106            
3Winter 0.8 64-bit3080            
4Winter 0.6 64-bit 4CPU3015            
5Winter 0.7 64-bit3002            
6Winter 0.5 64-bit 4CPU2962            
7Winter 0.6 64-bit2926            
8Winter 0.5 64-bit2893            
9Winter 0.4a 64-bit2833            
10Winter 0.3 64-bit2764            
11Winter 0.2 64-bit2655           27.5 − 6.5
+22−1=11
+55
12Winter 0.1.1 64-bit2497          6.5 − 27.5
+1−22=11
−55
 
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
1Winter 0.9 64-bit3127 89.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Winter 0.7 64-bit 4CPU310610.1 93.2100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Winter 0.8 64-bit30800.06.8 99.9100.0100.0100.0100.0100.0100.0100.0100.0
4Winter 0.6 64-bit 4CPU30150.00.00.1 75.999.3100.0100.0100.0100.0100.0100.0
5Winter 0.7 64-bit30020.00.00.024.1 99.1100.0100.0100.0100.0100.0100.0
6Winter 0.5 64-bit 4CPU29620.00.00.00.70.9 98.3100.0100.0100.0100.0100.0
7Winter 0.6 64-bit29260.00.00.00.00.01.7 99.6100.0100.0100.0100.0
8Winter 0.5 64-bit28930.00.00.00.00.00.00.4 100.0100.0100.0100.0
9Winter 0.4a 64-bit28330.00.00.00.00.00.00.00.0 100.0100.0100.0
10Winter 0.3 64-bit27640.00.00.00.00.00.00.00.00.0 100.0100.0
11Winter 0.2 64-bit26550.00.00.00.00.00.00.00.00.00.0 100.0
12Winter 0.1.1 64-bit24970.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1Winter 0.9 64-bit3127 036501440000000
2Winter 0.7 64-bit 4CPU31060 099065000000
3Winter 0.8 64-bit30803650 03000000000
4Winter 0.6 64-bit 4CPU30150990 5414048000600
5Winter 0.7 64-bit3002144030054 263761525030120
6Winter 0.5 64-bit 4CPU2962065014026 1200000
7Winter 0.6 64-bit29260004837612 739224138920
8Winter 0.5 64-bit289300001520739 4852652230
9Winter 0.4a 64-bit28330000500224485 4601170
10Winter 0.3 64-bit27640000300138265460 1730
11Winter 0.2 64-bit26550006012092223117173 648
12Winter 0.1.1 64-bit24970000000000648 
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
1Winter 0.9 64-bit3127 0.021.00.06.80.00.00.00.00.00.00.0
2Winter 0.7 64-bit 4CPU31060.0 0.012.50.07.00.00.00.00.00.00.0
3Winter 0.8 64-bit308021.00.0 0.016.80.00.00.00.00.00.00.0
4Winter 0.6 64-bit 4CPU30150.012.50.0 3.817.53.60.00.00.03.20.0
5Winter 0.7 64-bit30026.80.016.83.8 1.717.96.73.01.80.50.0
6Winter 0.5 64-bit 4CPU29620.07.00.017.51.7 0.80.00.00.00.00.0
7Winter 0.6 64-bit29260.00.00.03.617.90.8 33.814.38.93.60.0
8Winter 0.5 64-bit28930.00.00.00.06.70.033.8 28.115.48.30.0
9Winter 0.4a 64-bit28330.00.00.00.03.00.014.328.1 42.05.60.0
10Winter 0.3 64-bit27640.00.00.00.01.80.08.915.442.0 8.40.0
11Winter 0.2 64-bit26550.00.00.03.20.50.03.68.35.68.4 28.3
12Winter 0.1.1 64-bit24970.00.00.00.00.00.00.00.00.00.028.3 
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 114 common opponents

Custom engine selection
NameEloWinter
0.9
64-bit
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
RofChade 2.202 64-bit320443%
9.5/22
 22%
3.5/16
         
Defenchess 2.2 64-bit320234%
11.5/34
 26%
4.5/17
         
Schooner 2.2 64-bit320136%
15/42
 50%
8/16
         
RubiChess 1.8 64-bit318735%
10.5/30
 0%
0/1
         
Andscacs 0.95 64-bit318041%
6.5/16
 50%
0.5/1
         
Arasan 22.1 64-bit314544%
15/34
 41%
6.5/16
         
Pedone 2.1 64-bit312757%
21.5/38
 40%
8/20
         
Pedone 1.9 64-bit 4CPU3125 54%
13.5/25
 25%
11/44
        
Roc 1.7 64-bit312242%
10/24
 0%
0/1
         
Lc0 0.26.2 w703810 64-bit311662%
10/16
 100%
1/1
         
NirvanaChess 2.4 64-bit3099  38%
1.5/4
 25%
0.5/2
       
Vajolet2 2.8 64-bit309847%
14/30
 62%
2.5/4
 10%
2/20
       
Demolito 2020-05-14 64-bit308848%
10.5/22
 50%
4/8
 30%
6/20
       
Lc0 0.22.0 wLD2 64-bit3085  50%
8/16
 50%
2/4
       
Nemorino 5.00 64-bit3085  38%
3/8
 50%
1/2
       
Pedone 1.9 64-bit3079    75%
3/4
 25%
8/32
     
Wasp 4.0 64-bit307675%
3/4
 61%
24.5/40
         
chess22k 1.14 64-bit307655%
12/22
 55%
11/20
 39%
7/18
       
Texel 1.07 64-bit3073  38%
1.5/4
 0%
0/2
       
Rodent III 0.276 64-bit 4CPU3066 58%
14.5/25
 45%
4.5/10
 32%
13/40
      
NameEloWinter
0.9
64-bit
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
ChessBrainVB 3.743065  50%
2.5/5
 38%
6/16
       
iCE 4.0 64-bit305938%
1.5/4
 62%
2.5/4
 37%
12.5/34
       
Minic 2.46 64-bit305066%
14.5/22
 50%
2/4
         
Demolito 2019-07-15 64-bit3034    50%
8/16
 15%
1.5/10
     
Wasp 3.50 64-bit3028       34%
11/32
23%
7.5/32
   
SmarThink 1.98 64-bit3025    62%
5/8
  25%
1/4
    
Pirarucu 2.9.5 64-bit 4CPU3023   52%
11.5/22
 40%
4/10
      
Pirarucu 3.0.7 64-bit3012    50%
12/24
 38%
6/16
     
Sting SF 19 64-bit3007  62%
2.5/4
 38%
3/8
       
Monolith 2 64-bit3003  62%
15/24
 64%
9/14
       
Hakkapeliitta TCEC v2 64-bit2999    38%
1.5/4
  54%
19.5/36
    
Defenchess 1.1f 64-bit2996      33%
10.5/32
19%
7/36
    
Rodent III 0.281 64-bit2992    59%
9.5/16
 38%
1.5/4
43%
6/14
    
Rodent IV 022 64-bit2988  56%
4.5/8
 59%
13/22
       
Demolito 2019-04-27 64-bit2985      48%
21/44
25%
4.5/18
    
Rodent III 0.275 64-bit2985      39%
15.5/40
38%
1.5/4
    
Topple 0.7.5 64-bit2982  68%
13.5/20
 81%
6.5/8
       
Deuterium 2019.2.37.73 64-bit2979  100%
1/1
 53%
29.5/56
       
Godel 7.0 64-bit2979  56%
13.5/24
 53%
9.5/18
       
Amoeba 3.1 64-bit2967  66%
10.5/16
 65%
6.5/10
       
NameEloWinter
0.9
64-bit
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
Pirarucu 2.9.5 64-bit2966      43%
19/44
50%
2/4
    
Amoeba 3.0 64-bit2962    50%
13/26
 38%
16.5/44
38%
9/24
    
Naum 4 64-bit2955    59%
9.5/16
    29%
4/14
  
SlowChess Blitz Classic 1.5 64-bit2954    56%
13.5/24
 42%
8.5/20
     
Deuterium 2019.1.36.50 64-bit2953      49%
21.5/44
62%
2.5/4
28%
4.5/16
   
Lc0 0.20.1 w11258 64-bit2953    44%
7/16
45%
4.5/10
25%
1/4
     
Pirarucu 2.7.4 64-bit2949        25%
1/4
21%
3/14
  
Marvin 3.4.0 64-bit2937    57%
16/28
 53%
8.5/16
     
Marvin 3.3.2 64-bit 4CPU2935   70%
7/10
 40%
4/10
      
Crafty 25.2 64-bit2931      46%
18.5/40
39%
12.5/32
    
Bobcat 8.0 64-bit2923    75%
3/4
 52%
16.5/32
     
Godel 6.0 64-bit2923   58%
17.5/30
56%
13.5/24
 47%
8.5/18
     
Cheng 4.39 64-bit2919    33%
2/6
 75%
3/4
 38%
1.5/4
   
Dirty CUCUMBER 64-bit2917    75%
4.5/6
 53%
23.5/44
52%
21/40
25%
1/4
   
Gogobello 2.0 64-bit 4CPU2911   73%
22/30
 52%
15.5/30
      
Toga II 4.0 64-bit2903      62%
27.5/44
 33%
4/12
29%
4/14
  
Amoeba 2.7 64-bit2901       57%
8/14
33%
4/12
21%
3/14
  
Topple 0.7.1 64-bit2888      69%
5.5/8
   19%
1.5/8
 
Scorpio 2.8 64-bit2885      73%
23.5/32
  29%
4/14
  
Igel 1.9.0 64-bit2878    50%
0.5/1
 65%
6.5/10
     
NameEloWinter
0.9
64-bit
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
Lc0 0.19.1 w11248 64-bit2876       54%
7.5/14
34%
5.5/16
   
Scorpio 2.9 MCTS 64-bit2868      62%
2.5/4
75%
3/4
    
The Baron 3.44 64-bit2865    67%
4/6
 100%
4/4
54%
19.5/36
41%
19.5/48
   
Marvin 3.3.2 64-bit2857      61%
19.5/32
79%
9.5/12
    
Tucano 7.06 64-bit2852       62%
2.5/4
47%
7.5/16
   
Pirarucu 2.3.8 64-bit2851       75%
10.5/14
  25%
2/8
 
Counter 3.3 64-bit2848    62%
2.5/4
 70%
3.5/5
     
Tucano 7.07 64-bit2842      75%
3/4
65%
26/40
    
Marvin 3.2.0 64-bit2837       49%
17.5/36
62%
10/16
39%
5.5/14
  
Fruit Reloaded 3.2.1 64-bit2836      50%
2/4
53%
19/36
  21%
7/34
 
Counter 3.2 64-bit2834      69%
22/32
64%
23/36
    
Zurichess Neuchatel 64-bit2830       61%
19.5/32
58%
7/12
39%
5.5/14
  
Tucano 7.00 64-bit2825       46%
6.5/14
  29%
10/34
 
GNU Chess 5.60 64-bit2814       61%
8.5/14
38%
4.5/12
32%
4.5/14
  
Godel 4.4.5 64-bit2814       60%
9/15
54%
6.5/12
39%
7/18
25%
2.5/10
 
Topple 0.7.0 64-bit2814      75%
9/12
   33%
4/12
 
Igel 1.7.0 64-bit2796      75%
6/8
   50%
4/8
 
Monolith 1.0 64-bit2795      66%
21/32
60%
21.5/36
46%
5.5/12
54%
7.5/14
  
Rhetoric 1.4.3 64-bit2793        71%
8.5/12
 26%
9/34
 
RuyDos 1.1.9 64-bit2792       56%
18/32
46%
5.5/12
44%
8/18
  
NameEloWinter
0.9
64-bit
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
Francesca MAD 0.25 64-bit2787   85%
25.5/30
      29%
4/14
 
tomitankChess 3.0 64-bit2786    88%
3.5/4
 65%
20/31
72%
23/32
62%
7.5/12
 38%
3/8
 
Counter 3.1 64-bit2785        67%
29.5/44
48%
10.5/22
  
RofChade 1.0 64-bit2774         54%
7.5/14
38%
13/34
 
RubiChess 1.1 64-bit2774         68%
9.5/14
38%
3/8
 
Frenzee 3.5.19 64-bit2773        62%
7.5/12
 0%
0/1
 
Igel 1.6.0 64-bit2765      78%
25/32
71%
24/34
    
Cheese 2.0 64-bit2763      66%
21/32
 54%
6.5/12
50%
2/4
  
BugChess2 1.9 64-bit2760        46%
5.5/12
50%
7/14
  
Bison 9.11 64-bit2756        50%
6/12
57%
8/14
  
Topple 0.3.5 64-bit2741       67%
21.5/32
  40%
4/10
 
Carballo 1.7 64-bit2737        58%
7/12
61%
11/18
  
Arminius 2018-12-23 64-bit2733        71%
8.5/12
38%
1.5/4
  
Counter 3.0 64-bit2731         57%
8/14
55%
5.5/10
 
Shield 2.1 64-bit2727        71%
8.5/12
58%
10.5/18
  
Devel 2.00002725        58%
7/12
61%
8.5/14
37%
13/35
 
GreKo 2018.08 64-bit2716   92%
27.5/30
      25%
1.5/6
 
Topple 0.4.0 64-bit2710       75%
3/4
  58%
3.5/6
 
WyldChess 1.51 64-bit2683         79%
11/14
0%
0/1
 
tomitankChess 2.0 64-bit2657          49%
16.5/34
18%
5.5/30
NameEloWinter
0.9
64-bit
Winter
0.7
64-bit
4CPU
Winter
0.8
64-bit
Winter
0.6
64-bit
4CPU
Winter
0.7
64-bit
Winter
0.5
64-bit
4CPU
Winter
0.6
64-bit
Winter
0.5
64-bit
Winter
0.4a
64-bit
Winter
0.3
64-bit
Winter
0.2
64-bit
Winter
0.1.1
64-bit
ECE X3 64-bit2645         38%
1.5/4
56%
9.5/17
 
RubiChess 1.0 64-bit2614          60%
15.5/26
0%
0/1
Monolith 0.4 64-bit2609          50%
4/8
50%
5/10
Coiled 0.6 64-bit2586          62%
26/42
54%
18.5/34
Delocto 0.6 64-bit2580          78%
7/9
83%
5/6
Schooner 1.8 64-bit2568          50%
2/4
33%
4/12
RubiChess 0.9 64-bit2554          68%
23/34
45%
4.5/10
Betsabe II 1.842546          38%
1.5/4
47%
16/34
Jumbo 0.6.35 64-bit2479          69%
23.5/34
67%
28/42
Lozza 1.18 64-bit2473          79%
27.5/35
59%
9.5/16
Topple 0.2.1 64-bit2459          75%
25.5/34
52%
16.5/32
Teki 2 64-bit2440          75%
25.5/34
55%
16.5/30
Nemeton 1.72420          87%
29.5/34
50%
16/32
Isa 2.0.64 64-bit2364          78%
26.5/34
90%
9/10
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 15, 2021