CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
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 February 27, 2021 with Bayeselo based on 1'220'404 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+
1Winter 0.9 64-bit3126+18−1848.6%+6.750.2%898 
87.5%
 Winter 0.7 64-bit 4CPU3107+25−2545.1%+31.147.1%463
93.4%
 Winter 0.8 64-bit3080+21−2153.9%−25.947.2%703
99.9%
 Winter 0.6 64-bit 4CPU3015+32−3253.0%−27.535.6%329
76.2%
 Winter 0.7 64-bit3001+17−1751.1%−6.543.1%1088
99.1%
 Winter 0.5 64-bit 4CPU2962+26−2650.4%−5.338.3%470
98.4%
 Winter 0.6 64-bit2926+18−1850.0%−1.638.7%1010
99.6%
 Winter 0.5 64-bit2893+17−1751.8%−12.440.8%1177
100.0%
 Winter 0.4a 64-bit2833+24−2448.0%+9.943.5%552
100.0%
 Winter 0.3 64-bit2763+25−2548.3%+11.536.3%543
100.0%
 Winter 0.2 64-bit2654+16−1652.8%−27.026.4%1476
100.0%
 Winter 0.1.1 64-bit2496+21−2149.8%−0.728.9%764
 

Results matrix

Custom engine selection
#NameElo123456789101112
1Winter 0.9 64-bit3126            
2Winter 0.7 64-bit 4CPU3107            
3Winter 0.8 64-bit3080            
4Winter 0.6 64-bit 4CPU3015            
5Winter 0.7 64-bit3001            
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-bit2763            
11Winter 0.2 64-bit2654           27.5 − 6.5
+22−1=11
+55
12Winter 0.1.1 64-bit2496          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-bit3126 87.599.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Winter 0.7 64-bit 4CPU310712.5 93.4100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Winter 0.8 64-bit30800.16.6 99.9100.0100.0100.0100.0100.0100.0100.0100.0
4Winter 0.6 64-bit 4CPU30150.00.00.1 76.299.3100.0100.0100.0100.0100.0100.0
5Winter 0.7 64-bit30010.00.00.023.8 99.1100.0100.0100.0100.0100.0100.0
6Winter 0.5 64-bit 4CPU29620.00.00.00.70.9 98.4100.0100.0100.0100.0100.0
7Winter 0.6 64-bit29260.00.00.00.00.01.6 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-bit27630.00.00.00.00.00.00.00.00.0 100.0100.0
11Winter 0.2 64-bit26540.00.00.00.00.00.00.00.00.00.0 100.0
12Winter 0.1.1 64-bit24960.00.00.00.00.00.00.00.00.00.00.0 
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-bit3126 036101440000000
2Winter 0.7 64-bit 4CPU31070 099065000000
3Winter 0.8 64-bit30803610 03000000000
4Winter 0.6 64-bit 4CPU30150990 5414048000600
5Winter 0.7 64-bit3001144030054 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-bit27630000300138265460 1730
11Winter 0.2 64-bit26540006012092223117173 648
12Winter 0.1.1 64-bit24960000000000648 
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-bit3126 0.022.50.07.30.00.00.00.00.00.00.0
2Winter 0.7 64-bit 4CPU31070.0 0.012.50.07.00.00.00.00.00.00.0
3Winter 0.8 64-bit308022.50.0 0.016.80.00.00.00.00.00.00.0
4Winter 0.6 64-bit 4CPU30150.012.50.0 3.817.53.60.00.00.03.30.0
5Winter 0.7 64-bit30017.30.016.83.8 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 33.814.38.93.70.0
8Winter 0.5 64-bit28930.00.00.00.06.70.033.8 28.115.48.40.0
9Winter 0.4a 64-bit28330.00.00.00.03.00.014.328.1 42.05.80.0
10Winter 0.3 64-bit27630.00.00.00.01.80.08.915.442.0 8.60.0
11Winter 0.2 64-bit26540.00.00.03.30.50.03.78.45.88.6 28.9
12Winter 0.1.1 64-bit24960.00.00.00.00.00.00.00.00.00.028.9 
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-bit320233%
10/30
 26%
4.5/17
         
Schooner 2.2 64-bit320234%
11.5/34
 50%
8/16
         
RubiChess 1.8 64-bit318735%
10.5/30
 0%
0/1
         
Andscacs 0.95 64-bit317938%
4.5/12
 50%
0.5/1
         
Arasan 22.1 64-bit314644%
15/34
 41%
6.5/16
         
Pedone 2.1 64-bit312757%
21.5/38
 40%
8/20
         
Pedone 1.9 64-bit 4CPU3126 54%
13.5/25
 25%
11/44
        
Roc 1.7 64-bit312440%
8/20
 0%
0/1
         
Lc0 0.26.2 w703810 64-bit311962%
10/16
 100%
1/1
         
NirvanaChess 2.4 64-bit3099  38%
1.5/4
 25%
0.5/2
       
Vajolet2 2.8 64-bit309947%
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
     
chess22k 1.14 64-bit307755%
12/22
 55%
11/20
 39%
7/18
       
Wasp 4.0 64-bit307675%
3/4
 61%
24.5/40
         
Texel 1.07 64-bit3073  38%
1.5/4
 0%
0/2
       
Rodent III 0.276 64-bit 4CPU3067 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 3.743064  50%
2.5/5
 38%
6/16
       
iCE 4.0 64-bit306038%
1.5/4
 62%
2.5/4
 37%
12.5/34
       
Minic 2.46 64-bit305466%
14.5/22
 50%
2/4
         
Demolito 2019-07-15 64-bit3033    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-bit3004  62%
15/24
 64%
9/14
       
Hakkapeliitta TCEC v2 64-bit2998    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-bit2991    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-bit2984      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-bit2980  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-bit2965      43%
19/44
50%
2/4
    
Amoeba 3.0 64-bit2961    50%
13/26
 38%
16.5/44
38%
9/24
    
Naum 4 64-bit2954    59%
9.5/16
    29%
4/14
  
SlowChess Blitz Classic 1.5 64-bit2954    56%
13.5/24
 42%
8.5/20
     
Lc0 0.20.1 w11258 64-bit2953    44%
7/16
45%
4.5/10
25%
1/4
     
Deuterium 2019.1.36.50 64-bit2952      49%
21.5/44
62%
2.5/4
28%
4.5/16
   
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 4CPU2934   70%
7/10
 40%
4/10
      
Crafty 25.2 64-bit2930      46%
18.5/40
39%
12.5/32
    
Bobcat 8.0 64-bit2922    75%
3/4
 52%
16.5/32
     
Godel 6.0 64-bit2922   58%
17.5/30
56%
13.5/24
 47%
8.5/18
     
Cheng 4.39 64-bit2918    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-bit2884      73%
23.5/32
  29%
4/14
  
Igel 1.9.0 64-bit2877    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-bit2875       54%
7.5/14
34%
5.5/16
   
Scorpio 2.9 MCTS 64-bit2867      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-bit2851       62%
2.5/4
47%
7.5/16
   
Pirarucu 2.3.8 64-bit2850       75%
10.5/14
  25%
2/8
 
Counter 3.3 64-bit2847    62%
2.5/4
 70%
3.5/5
     
Tucano 7.07 64-bit2841      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-bit2829       61%
19.5/32
58%
7/12
39%
5.5/14
  
Tucano 7.00 64-bit2824       46%
6.5/14
  29%
10/34
 
Godel 4.4.5 64-bit2813       60%
9/15
54%
6.5/12
39%
7/18
25%
2.5/10
 
Topple 0.7.0 64-bit2813      75%
9/12
   33%
4/12
 
GNU Chess 5.60 64-bit2812       61%
8.5/14
38%
4.5/12
32%
4.5/14
  
Igel 1.7.0 64-bit2795      75%
6/8
   50%
4/8
 
Monolith 1.0 64-bit2794      66%
21/32
60%
21.5/36
46%
5.5/12
54%
7.5/14
  
Rhetoric 1.4.3 64-bit2792        71%
8.5/12
 26%
9/34
 
RuyDos 1.1.9 64-bit2791       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-bit2785    88%
3.5/4
 65%
20/31
72%
23/32
62%
7.5/12
 38%
3/8
 
Counter 3.1 64-bit2784        67%
29.5/44
48%
10.5/22
  
RubiChess 1.1 64-bit2774         68%
9.5/14
38%
3/8
 
RofChade 1.0 64-bit2773         54%
7.5/14
38%
13/34
 
Frenzee 3.5.19 64-bit2772        62%
7.5/12
 0%
0/1
 
Igel 1.6.0 64-bit2765      78%
25/32
71%
24/34
    
Cheese 2.0 64-bit2761      66%
21/32
 54%
6.5/12
50%
2/4
  
BugChess2 1.9 64-bit2759        46%
5.5/12
50%
7/14
  
Bison 9.11 64-bit2755        50%
6/12
57%
8/14
  
Topple 0.3.5 64-bit2741       67%
21.5/32
  40%
4/10
 
Carballo 1.7 64-bit2736        58%
7/12
61%
11/18
  
Arminius 2018-12-23 64-bit2732        71%
8.5/12
38%
1.5/4
  
Counter 3.0 64-bit2730         57%
8/14
55%
5.5/10
 
Shield 2.1 64-bit2726        71%
8.5/12
58%
10.5/18
  
Devel 2.00002724        58%
7/12
61%
8.5/14
37%
13/35
 
GreKo 2018.08 64-bit2715   92%
27.5/30
      25%
1.5/6
 
Topple 0.4.0 64-bit2709       75%
3/4
  58%
3.5/6
 
WyldChess 1.51 64-bit2682         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-bit2608          50%
4/8
50%
5/10
Coiled 0.6 64-bit2584          62%
26/42
54%
18.5/34
Delocto 0.6 64-bit2579          78%
7/9
83%
5/6
Schooner 1.8 64-bit2568          50%
2/4
33%
4/12
RubiChess 0.9 64-bit2553          68%
23/34
45%
4.5/10
Betsabe II 1.842545          38%
1.5/4
47%
16/34
Jumbo 0.6.35 64-bit2479          69%
23.5/34
67%
28/42
Lozza 1.18 64-bit2472          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-bit2439          75%
25.5/34
55%
16.5/30
Nemeton 1.72419          87%
29.5/34
50%
16/32
Isa 2.0.64 64-bit2363          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 February 27, 2021