CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 10 engines!
10 selected engines played 0 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 September 14, 2019 with Bayeselo based on 1'083'337 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+
1K2 0.952687+24−2447.7%+15.631.5%613 
100.0%
 K2 0.912616+15−1549.0%+6.732.9%1497
99.7%
 K2 0.872583+17−1849.0%+6.234.7%1102
99.9%
 K2 0.832533+27−2751.7%−12.133.3%474
99.0%
 K2 0.752492+23−2352.4%−18.932.8%634
99.6%
 K2 0.792441+29−2947.6%+16.931.1%396
86.6%
 K2 0.712418+28−2851.4%−9.727.6%439
100.0%
 K2 0.672353+23−2352.5%−16.729.6%673
100.0%
 K2 0.572184+34−3446.4%+26.325.3%308
97.1%
 K2 0.43f2139+33−3348.2%+11.621.3%338
 

Results matrix

Custom engine selection
#NameElo12345678910
1K2 0.952687          
2K2 0.912616          
3K2 0.872583          
4K2 0.832533          
5K2 0.752492          
6K2 0.792441          
7K2 0.712418          
8K2 0.672353          
9K2 0.572184          
10K2 0.43f2139          
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
1K2 0.952687 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2K2 0.9126160.0 99.7100.0100.0100.0100.0100.0100.0100.0
3K2 0.8725830.00.3 99.9100.0100.0100.0100.0100.0100.0
4K2 0.8325330.00.00.1 99.0100.0100.0100.0100.0100.0
5K2 0.7524920.00.00.01.0 99.6100.0100.0100.0100.0
6K2 0.7924410.00.00.00.00.4 86.6100.0100.0100.0
7K2 0.7124180.00.00.00.00.013.4 100.0100.0100.0
8K2 0.6723530.00.00.00.00.00.00.0 100.0100.0
9K2 0.5721840.00.00.00.00.00.00.00.0 97.1
10K2 0.43f21390.00.00.00.00.00.00.00.02.9 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1K2 0.952687 1392004218003000
2K2 0.912616139 446122242202400
3K2 0.872583200446 32517276324403
4K2 0.8325334212325 28231014115000
5K2 0.7524921822172282 495448240146
6K2 0.79244104276310495 26220200
7K2 0.71241802032141448262 2661812
8K2 0.672353302444150240202266 234192
9K2 0.572184000014018234 244
10K2 0.43f213900306012192244 
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
1K2 0.952687 6.611.73.91.40.00.02.30.00.0
2K2 0.9126166.6 17.20.61.02.21.01.10.00.0
3K2 0.87258311.717.2 20.69.95.12.12.50.00.2
4K2 0.8325333.90.620.6 25.535.615.413.10.00.0
5K2 0.7524921.41.09.925.5 48.141.818.41.50.6
6K2 0.7924410.02.25.135.648.1 31.418.90.00.0
7K2 0.7124180.01.02.115.441.831.4 23.92.41.5
8K2 0.6723532.31.12.513.118.418.923.9 23.919.0
9K2 0.5721840.00.00.00.01.50.02.423.9 37.8
10K2 0.43f21390.00.00.20.00.60.01.519.037.8 
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 160 common opponents

Custom engine selection
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
RuyDos 1.1.9 64-bit279312%
0.5/4
20%
6.5/33
        
tomitankChess 3.0 64-bit278550%
2/4
12%
0.5/4
        
Francesca MAD 0.24 64-bit275612%
0.5/4
25%
9/36
        
Carballo 1.7 64-bit273730%
3/10
 42%
5/12
       
Arminius 2018-12-23 64-bit273038%
1.5/4
36%
11.5/32
        
Devel 2.0000272525%
1/4
12%
0.5/4
        
ProDeo 2.2272355%
5.5/10
 25%
1/4
       
Carballo 1.6 64-bit2710  0%
0/2
33%
2/6
      
Bagatur 1.7a 64-bit270950%
2/4
38%
1.5/4
        
Ktulu 8270650%
5/10
 20%
2/10
       
Cheese 1.9 64-bit2704 38%
4.5/12
38%
3/8
       
Fridolin 3.10 64-bit268412%
0.5/4
25%
1/4
        
WyldChess 1.51 64-bit2684 46%
5.5/12
25%
1/4
       
Fridolin 3.00 64-bit2674100%
1/1
88%
3.5/4
        
ChessBrainVB 2.052669  67%
2/3
 33%
2/6
     
RedQueen 1.1.98 64-bit266838%
1.5/4
 44%
7/16
62%
5/8
      
Floyd 0.9 64-bit2659  39%
11/28
25%
1/4
      
Philou 3.7.1 64-bit265270%
7/10
 50%
1/2
       
Cyrano 0.6b17 32-bit2649 29%
3.5/12
45%
4.5/10
       
ECE X3 64-bit2645 41%
6.5/16
52%
10.5/20
       
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
Gandalf 7 64-bit2644 50%
6/12
38%
1.5/4
       
CM10th Magic II2643 54%
6.5/12
25%
0.5/2
       
ECE X3.5 64-bit264250%
5/10
50%
4/8
        
DanaSah 7.3264062%
2.5/4
45%
13/29
62%
5/8
       
WyldChess 1.4 64-bit2639  38%
1.5/4
20%
2/10
      
Sjakk 2.2 64-bit263462%
2.5/4
 25%
0.5/2
 0%
0/2
     
Rodin 8.0262750%
2/4
 43%
17.5/41
       
NoraGrace 2.0 64-bit262565%
6.5/10
   25%
1/4
  12%
0.5/4
  
Phalanx XXV261988%
3.5/4
 46%
18/39
       
Donna 4.1 64-bit261062%
2.5/4
47%
18/38
        
Monolith 0.4 64-bit2608 31%
2.5/8
46%
5.5/12
       
Donna 4.0 64-bit2606  46%
17.5/38
 44%
3.5/8
     
DanaSah 6.502605  38%
8/21
55%
5.5/10
      
Gogobello 1.3 64-bit2605  55%
5.5/10
30%
3/10
      
Arminius 2015-08-06 64-bit2604  50%
7/14
38%
1.5/4
29%
3.5/12
     
Nawito 1812259780%
8/10
53%
8.5/16
        
N2 0.4 64-bit2594 42%
5/12
55%
5.5/10
       
GreKo 2016 64-bit2592  50%
2/4
30%
3/10
      
Brutus 8.05 64-bit2590  75%
1.5/2
 25%
0.5/2
     
GarboChess 3.0 64-bit2587 46%
5.5/12
20%
2/10
       
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
Ethereal 7.78 64-bit2583  35%
4.5/13
35%
3.5/10
      
Marvin 2.1.0 64-bit2581  62%
2.5/4
25%
2.5/10
      
Jellyfish 1.1 64-bit2580  42%
8.5/20
46%
5.5/12
46%
6.5/14
     
GreKo 12.9 64-bit2579   31%
2.5/8
25%
0.5/2
     
Delocto 0.6 64-bit2577 58%
18.5/32
50%
8/16
       
Capivara LK 0.09b02f 64-bit2569   50%
4/8
38%
3/8
19%
1.5/8
    
Schooner 1.8 64-bit2567 50%
2/4
64%
11.5/18
       
Coiled 0.4 64-bit256462%
5/8
 61%
19.5/32
       
SOS 5.12564 50%
6/12
   25%
2/8
    
Capivara LK 0.09b02g 64-bit256175%
7.5/10
 67%
8/12
38%
3/8
      
Zurichess Glarus 64-bit2559  50%
5/10
46%
5.5/12
42%
2.5/6
     
Capivara LK 0.09b02c 64-bit2557 58%
7/12
50%
5/10
       
Carballo 1.5 64-bit2557 46%
5.5/12
45%
4.5/10
       
Arasan 12.0 64-bit2556    60%
6/10
31%
2.5/8
    
JikChess 0.02 64-bit2556 46%
5.5/12
57%
8/14
38%
1.5/4
65%
6.5/10
45%
4.5/10
    
tomitankChess 1.4 64-bit2555 71%
8.5/12
50%
1/2
       
RubiChess 0.9 64-bit2553 75%
9/12
67%
4/6
   0%
0/6
   
Ghost 3.1 64-bit2550 66%
10.5/16
46%
13/28
       
chess22k 1.3 64-bit253969%
5.5/8
 50%
5/10
       
Phalanx XXIV2537    40%
2/5
30%
3/10
    
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
Maverick 1.5 64-bit2535   38%
1.5/4
55%
6/11
75%
3/4
    
Marvin 2.0.0 64-bit2533 62%
7.5/12
     8%
1/12
  
Fridolin 2.00 64-bit2531  60%
6/10
50%
2/4
40%
6/15
38%
6/16
    
nanoSzachy 4.1 64-bit2529  50%
7/14
56%
9/16
0%
0/1
33%
4/12
    
Orion 0.5 64-bit2527 68%
13.5/20
44%
3.5/8
       
Donna 3.1 64-bit2518    56%
5/9
15%
1.5/10
    
Bagatur 1.5e 64-bit2516 84%
13.5/16
50%
6/12
       
AnMon 5.602515    45%
4.5/10
 25%
2.5/10
   
CyberPagno 3.0 64-bit251162%
5/8
 75%
10.5/14
25%
1/4
   30%
3/10
  
Floyd 0.8 64-bit2509  45%
4.5/10
50%
6/12
   15%
1.5/10
  
Maverick 1.0 64-bit2508    60%
12/20
  50%
5/10
  
Tao 5.62503    50%
0.5/1
50%
1/2
    
LittleThought 1.052 64-bit2500    50%
1/2
75%
1.5/2
    
Delphil 3.2 64-bit2498   56%
4.5/8
52%
11/21
50%
6/12
    
Pupsi2 0.092497    50%
1/2
0%
0/2
    
Pepito 1.59 64-bit2493    25%
1/4
75%
1.5/2
40%
4/10
   
Yace 0.99.872489    50%
0.5/1
50%
1/2
    
JikChess 0.01 64-bit2488    45%
10/22
 75%
7.5/10
19%
1.5/8
  
Ghost 2.0.2 64-bit2485   62%
5/8
54%
13.5/25
46%
5.5/12
29%
4/14
0%
0/4
  
Zurichess Geneva 64-bit2484     25%
3.5/14
44%
3.5/8
   
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
Xpdnt 0910072482    25%
0.5/2
50%
1/2
    
Pawny 0.3.1 64-bit2476    40%
4/10
 35%
3.5/10
   
Shield 1.2 64-bit2473   56%
4.5/8
50%
4/8
0%
0/2
    
Trace 1.37a2472     44%
3.5/8
0%
0/1
   
Jumbo 0.6.31 64-bit2469  58%
7/12
   19%
1.5/8
   
Quark 2.352469    100%
1/1
75%
1.5/2
    
Carballo 1.32462    42%
5/12
50%
5/10
    
Giraffe 20150908 64-bit2460   62%
2.5/4
0%
0/2
45%
4.5/10
 50%
4/8
  
Bumblebee 1.0 64-bit2459    45%
4.5/10
50%
1/2
    
Carballo 1.22459    42%
5/12
 55%
5.5/10
   
Bumblebee 1.0.36898e1 64-bit2446   62%
2.5/4
  45%
4.5/10
   
Eeyore 1.52 64-bit2445  50%
0.5/1
 60%
6/10
     
Hussar 0.42444 100%
1/1
    50%
0.5/1
   
Abrok 5.02443   62%
5/8
60%
6/10
44%
3.5/8
15%
1.5/10
   
Betsabe II 1.472443    52%
11.5/22
39%
7/18
32%
6/19
50%
2/4
  
Lozza 1.17a 64-bit2443   88%
3.5/4
   40%
4/10
  
Typhoon 1.00-3482443   50%
4/8
 38%
3/8
    
Zurichess Fribourg 64-bit2440    50%
1/2
  50%
5/10
  
Snitch 1.6.2 64-bit2437    50%
1/2
 50%
5/10
   
Cmcchess 2.6 64-bit2420   75%
9/12
75%
1.5/2
42%
7.5/18
 40%
4/10
  
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
Ares 1.005 64-bit2418   44%
3.5/8
50%
2/4
56%
4.5/8
40%
6/15
62%
2.5/4
  
Bitfoot 1.0.d9aeb43 64-bit2414    50%
1/2
75%
12/16
    
Gaia 3.5 64-bit2413    71%
8.5/12
56%
4.5/8
50%
5.5/11
   
Shallow r688 64-bit2413    53%
8.5/16
62%
5/8
58%
10.5/18
88%
3.5/4
  
Ares 1.005.2 64-bit2411   88%
3.5/4
100%
1/1
67%
4/6
50%
5/10
   
Simplex 0.9.8 64-bit2400   56%
4.5/8
79%
9.5/12
62%
5/8
45%
4.5/10
   
Tigran 2.4n 64-bit2399   100%
8/8
53%
9.5/18
56%
4.5/8
64%
11.5/18
12%
0.5/4
  
Lozza 1.16 64-bit2397   81%
6.5/8
 72%
13/18
 70%
7/10
  
Myrddin 0.87 64-bit2396   50%
4/8
12%
0.5/4
42%
2.5/6
62%
2.5/4
56%
4.5/8
  
Shield 1.1 64-bit2394   69%
5.5/8
 50%
5/10
    
Alex 2.14a 64-bit2393    60%
6/10
 70%
7/10
   
Waxman 20142389    68%
13.5/20
50%
2/4
0%
0/4
46%
5.5/12
  
Giraffe 20150828 64-bit2383     62%
5/8
 40%
4/10
  
Carballo 1.1.12374      65%
6.5/10
45%
4.5/10
  
OliThink 5.3.2 64-bit2374    45%
4.5/10
 70%
7/10
   
iCE 0.22372    70%
7/10
 60%
6/10
   
Tytan 9.32 64-bit2370      65%
6.5/10
31%
2.5/8
  
MadChess 2.0 64-bit2369    100%
2/2
38%
1.5/4
 55%
5.5/10
  
Plisk 0.2.7d 64-bit2360    75%
7.5/10
  40%
4/10
  
Donna 1.0 64-bit2357      75%
6/8
44%
3.5/8
  
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
Typhoon 1.00-358 64-bit2353      80%
8/10
53%
9.5/18
  
CyberPagno 2.3 64-bit2343     62%
2.5/4
 50%
5/10
  
Gibbon 2.60a 64-bit2339      75%
3/4
 25%
0.5/2
 
Jazz 840 64-bit2338    75%
1.5/2
62%
2.5/4
50%
2/4
   
Maverick 0.51 64-bit2337      64%
9/14
42%
2.5/6
  
CyberPagno 2.2 64-bit2336    100%
2/2
 53%
9.5/18
42%
2.5/6
  
Nemeton 1.12330      50%
9/18
58%
3.5/6
  
Bagatur 1.3a 64-bit2326      75%
7.5/10
 0%
0/2
 
Gibbon 2.69a 64-bit2319    90%
9/10
75%
3/4
    
EveAnn 1.71a2318       71%
8.5/12
20%
2/10
 
Popochin 2.92316       55%
5.5/10
65%
6.5/10
 
Nemeton 1.22309    50%
3/6
 88%
3.5/4
62%
2.5/4
  
NoraGrace 1.0 64-bit2308       50%
5/10
30%
3/10
 
pikoSzachy Extreme2307      75%
3/4
50%
2/4
  
Anechka 0.082300  100%
1/1
      0%
0/2
Fischerle 0.9.65 64-bit2289    75%
1.5/2
100%
4/4
    
FireFly 2.7.0 64-bit2286    75%
1.5/2
 88%
3.5/4
55%
5.5/10
0%
0/2
30%
3/10
Orion 0.2 64-bit2278    50%
1/2
  67%
8/12
0%
0/2
 
Ayito 0.2.9942265       25%
1/4
 50%
1/2
Protej 0.5.8c2252    100%
2/2
  50%
7/14
25%
3/12
 
NameEloK2
0.95
K2
0.91
K2
0.87
K2
0.83
K2
0.75
K2
0.79
K2
0.71
K2
0.67
K2
0.57
K2
0.43f
RattateChess 1.0 Nosferatu2252       62%
2.5/4
 50%
1/2
Exacto 0.e 64-bit2251       66%
10.5/16
25%
0.5/2
33%
2/6
Mango Paola Ajedrez 4.12249       64%
9/14
29%
3.5/12
30%
3/10
MadChess 1.4 64-bit2248        33%
4/12
40%
4/10
Absolute Zero 2.4.0.0 64-bit2242       67%
4/6
100%
2/2
75%
1.5/2
AliChess 4.062233        45%
4.5/10
50%
4/8
Buzz 0.08 64-bit2229       64%
9/14
 0%
0/4
Adam 3.32211       60%
6/10
 50%
1/2
Neurosis 2.32210       70%
7/10
45%
4.5/10
 
ChessKISS 1.7 64-bit2209       70%
7/10
 45%
4.5/10
Carballo 0.82195       67%
4/6
25%
0.5/2
31%
5.5/18
NG-Play 9.85 64-bit2190        52%
11.5/22
50%
2/4
EXchess 5.04b 64-bit2187        70%
7/10
25%
2/8
Prophet 2.0 64-bit2179        55%
11/20
50%
2/4
ProChess 1.02AD2163       78%
12.5/16
50%
6/12
65%
6.5/10
Chesley r323 64-bit2161       68%
9.5/14
60%
6/10
38%
1.5/4
Waxman 20082134        75%
7.5/10
62%
5/8
Napoleon 1.5.0 64-bit2122       67%
4/6
62%
12.5/20
46%
5.5/12
BikJump 2.01 64-bit2117        70%
7/10
33%
4/12
Clarabit 1.00 64-bit2105        100%
4/4
75%
6/8
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 September 14, 2019