CCRL 40/40
Downloads and Statistics
May 18, 2019
Testing summary:
Total: 1'044'560 games
played by 2'452 programs
143157 CPU days (X2 4600+)

White wins: 363'036 (34.8%)
Black wins: 270'297 (25.9%)
Draws: 411'227 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 9 engines!
9 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 May 18, 2019 with Bayeselo based on 1'044'560 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 0.912616+16−1650.3%−2.732.9%1390 
99.7%
 K2 0.872583+18−1749.0%+5.834.7%1102
99.9%
 K2 0.832533+27−2751.7%−12.233.3%474
99.0%
 K2 0.752491+23−2352.4%−18.232.8%634
99.6%
 K2 0.792440+29−2947.6%+17.531.1%396
86.4%
 K2 0.712418+28−2851.4%−9.927.6%439
100.0%
 K2 0.672355+23−2353.0%−20.329.8%657
100.0%
 K2 0.572185+34−3446.2%+27.325.5%302
96.8%
 K2 0.43f2140+33−3348.2%+11.221.3%338
 

Results matrix

Custom engine selection
#NameElo123456789
1K2 0.912616         
2K2 0.872583         
3K2 0.832533         
4K2 0.752491         
5K2 0.792440         
6K2 0.712418         
7K2 0.672355         
8K2 0.572185         
9K2 0.43f2140         
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
1K2 0.912616 99.7100.0100.0100.0100.0100.0100.0100.0
2K2 0.8725830.3 99.9100.0100.0100.0100.0100.0100.0
3K2 0.8325330.00.1 99.0100.0100.0100.0100.0100.0
4K2 0.7524910.00.01.0 99.6100.0100.0100.0100.0
5K2 0.7924400.00.00.00.3 86.4100.0100.0100.0
6K2 0.7124180.00.00.00.013.6 100.0100.0100.0
7K2 0.6723550.00.00.00.00.00.0 100.0100.0
8K2 0.5721850.00.00.00.00.00.00.0 96.8
9K2 0.43f21400.00.00.00.00.00.00.03.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1K2 0.912616 442122242202400
2K2 0.872583442 32517276324403
3K2 0.83253312325 28231014115000
4K2 0.75249122172282 495448240146
5K2 0.7924404276310495 26220200
6K2 0.7124182032141448262 2661812
7K2 0.6723552444150240202266 234192
8K2 0.57218500014018234 244
9K2 0.43f21400306012192244 
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
1K2 0.912616 17.70.61.12.41.11.20.00.0
2K2 0.87258317.7 20.69.95.12.12.50.00.2
3K2 0.8325330.620.6 25.535.615.413.30.00.0
4K2 0.7524911.19.925.5 48.141.818.61.50.6
5K2 0.7924402.45.135.648.1 31.419.20.00.0
6K2 0.7124181.12.115.441.831.4 24.32.41.5
7K2 0.6723551.22.513.318.619.224.3 24.419.3
8K2 0.5721850.00.00.01.50.02.424.4 38.1
9K2 0.43f21400.00.20.00.60.01.519.338.1 
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 141 common opponents

Custom engine selection
NameEloK2
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
Carballo 1.6 64-bit2709 0%
0/2
33%
2/6
      
Cheese 1.9 64-bit270338%
4.5/12
38%
3/8
       
WyldChess 1.51 64-bit268350%
4/8
25%
1/4
       
ChessBrainVB 2.052669 67%
2/3
 33%
2/6
     
RedQueen 1.1.98 64-bit2669 44%
7/16
62%
5/8
      
Floyd 0.9 64-bit2657 39%
11/28
25%
1/4
      
Cyrano 0.6b17 32-bit264829%
3.5/12
45%
4.5/10
       
ECE X3 64-bit264541%
6.5/16
52%
10.5/20
       
CM10th Magic II264454%
6.5/12
25%
0.5/2
       
Gandalf 7 64-bit264150%
6/12
38%
1.5/4
       
WyldChess 1.4 64-bit2638 38%
1.5/4
20%
2/10
      
DanaSah 7.3263646%
13/28
62%
5/8
       
Sjakk 2.2 64-bit2633 25%
0.5/2
 0%
0/2
     
NoraGrace 2.0 64-bit2625   25%
1/4
  12%
0.5/4
  
Monolith 0.4 64-bit260731%
2.5/8
46%
5.5/12
       
DanaSah 6.502605 38%
8/21
55%
5.5/10
      
Donna 4.0 64-bit2605 46%
17.5/38
 44%
3.5/8
     
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
     
N2 0.4 64-bit259342%
5/12
55%
5.5/10
       
NameEloK2
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
GreKo 2016 64-bit2592 50%
2/4
30%
3/10
      
Ethereal 7.78 64-bit2586 35%
4.5/13
35%
3.5/10
      
GarboChess 3.0 64-bit258646%
5.5/12
20%
2/10
       
Brutus 8.05 64-bit2584 75%
1.5/2
 25%
0.5/2
     
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-bit257659%
16.5/28
50%
8/16
       
Capivara LK 0.09b02f 64-bit2569  50%
4/8
38%
3/8
19%
1.5/8
    
Schooner 1.8 64-bit256650%
2/4
64%
11.5/18
       
SOS 5.1256350%
6/12
   25%
2/8
    
Capivara LK 0.09b02g 64-bit2562 67%
8/12
38%
3/8
      
Carballo 1.5 64-bit256046%
5.5/12
45%
4.5/10
       
Zurichess Glarus 64-bit2559 50%
5/10
46%
5.5/12
42%
2.5/6
     
Capivara LK 0.09b02c 64-bit255758%
7/12
50%
5/10
       
Arasan 12.0 64-bit2555   60%
6/10
31%
2.5/8
    
JikChess 0.02 64-bit255546%
5.5/12
57%
8/14
38%
1.5/4
65%
6.5/10
45%
4.5/10
    
tomitankChess 1.4 64-bit255571%
8.5/12
50%
1/2
       
RubiChess 0.9 64-bit255275%
9/12
67%
4/6
   0%
0/6
   
Ghost 3.1 64-bit255066%
10.5/16
46%
13/28
       
NameEloK2
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
Phalanx XXIV2537   40%
2/5
30%
3/10
    
Maverick 1.5 64-bit2536  38%
1.5/4
55%
6/11
75%
3/4
    
Marvin 2.0.0 64-bit253262%
7.5/12
     8%
1/12
  
Fridolin 2.00 64-bit2530 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-bit252868%
13.5/20
44%
3.5/8
       
Donna 3.1 64-bit2518   56%
5/9
15%
1.5/10
    
Bagatur 1.5e 64-bit251684%
13.5/16
50%
6/12
       
AnMon 5.602513   45%
4.5/10
 25%
2.5/10
   
CyberPagno 3.0 64-bit2511 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
  
LittleThought 1.052 64-bit2505   50%
1/2
75%
1.5/2
    
Tao 5.62504   50%
0.5/1
50%
1/2
    
Delphil 3.2 64-bit2498  56%
4.5/8
52%
11/21
50%
6/12
    
Pupsi2 0.092496   50%
1/2
0%
0/2
    
Pepito 1.59 64-bit2492   25%
1/4
75%
1.5/2
40%
4/10
   
Yace 0.99.872492   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
  
NameEloK2
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 0910072483   25%
0.5/2
50%
1/2
    
Zurichess Geneva 64-bit2482    25%
3.5/14
44%
3.5/8
   
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 2.352467   100%
1/1
75%
1.5/2
    
Giraffe 20150908 64-bit2463  62%
2.5/4
0%
0/2
45%
4.5/10
 50%
4/8
  
Carballo 1.32462   42%
5/12
50%
5/10
    
Bumblebee 1.0 64-bit2459   45%
4.5/10
50%
1/2
    
Carballo 1.22456   42%
5/12
 55%
5.5/10
   
Bumblebee 1.0.36898e1 64-bit2445  62%
2.5/4
  45%
4.5/10
   
Eeyore 1.52 64-bit2445 50%
0.5/1
 60%
6/10
     
Hussar 0.42444100%
1/1
    50%
0.5/1
   
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
  
Zurichess Fribourg 64-bit2443   50%
1/2
  50%
5/10
  
Abrok 5.02442  62%
5/8
60%
6/10
44%
3.5/8
15%
1.5/10
   
Typhoon 1.00-3482440  50%
4/8
 38%
3/8
    
Snitch 1.6.2 64-bit2434   50%
1/2
 50%
5/10
   
NameEloK2
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
Cmcchess 2.6 64-bit2420  75%
9/12
75%
1.5/2
42%
7.5/18
 40%
4/10
  
Ares 1.005 64-bit2418  44%
3.5/8
50%
2/4
56%
4.5/8
40%
6/15
62%
2.5/4
  
Shallow r688 64-bit2413   53%
8.5/16
62%
5/8
58%
10.5/18
88%
3.5/4
  
Bitfoot 1.0.d9aeb43 64-bit2412   50%
1/2
75%
12/16
    
Ares 1.005.2 64-bit2411  88%
3.5/4
100%
1/1
67%
4/6
50%
5/10
   
Gaia 3.5 64-bit2408   71%
8.5/12
56%
4.5/8
50%
5.5/11
   
Simplex 0.9.8 64-bit2402  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
  
Shield 1.1 64-bit2394  69%
5.5/8
 50%
5/10
    
Alex 2.14a 64-bit2393   60%
6/10
 70%
7/10
   
Myrddin 0.87 64-bit2393  50%
4/8
12%
0.5/4
42%
2.5/6
62%
2.5/4
56%
4.5/8
  
Waxman 20142390   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
   
Tytan 9.32 64-bit2374     65%
6.5/10
31%
2.5/8
  
iCE 0.22372   70%
7/10
 60%
6/10
   
MadChess 2.0 64-bit2369   100%
2/2
38%
1.5/4
 55%
5.5/10
  
Plisk 0.2.7d 64-bit2359   75%
7.5/10
  40%
4/10
  
NameEloK2
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
Donna 1.0 64-bit2357     75%
6/8
44%
3.5/8
  
Typhoon 1.00-358 64-bit2353     80%
8/10
53%
9.5/18
  
CyberPagno 2.3 64-bit2340    62%
2.5/4
 50%
5/10
  
Gibbon 2.60a 64-bit2338     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-bit2338     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-bit2327     75%
7.5/10
 0%
0/2
 
EveAnn 1.71a2319      71%
8.5/12
20%
2/10
 
Gibbon 2.69a 64-bit2319   90%
9/10
75%
3/4
    
Popochin 2.92317      55%
5.5/10
65%
6.5/10
 
Nemeton 1.22311   50%
3/6
 88%
3.5/4
62%
2.5/4
  
NoraGrace 1.0 64-bit2310      50%
5/10
30%
3/10
 
pikoSzachy Extreme2308     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-bit2287   75%
1.5/2
 88%
3.5/4
55%
5.5/10
0%
0/2
30%
3/10
Orion 0.2 64-bit2279   50%
1/2
  67%
8/12
0%
0/2
 
Ayito 0.2.9942265      25%
1/4
 50%
1/2
NameEloK2
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
Exacto 0.e 64-bit2254      66%
10.5/16
25%
0.5/2
33%
2/6
Protej 0.5.8c2252   100%
2/2
  50%
7/14
25%
3/12
 
RattateChess 1.0 Nosferatu2251      62%
2.5/4
 50%
1/2
Mango Paola Ajedrez 4.12249      64%
9/14
29%
3.5/12
30%
3/10
MadChess 1.4 64-bit2247       33%
4/12
40%
4/10
Absolute Zero 2.4.0.0 64-bit2243      67%
4/6
100%
2/2
75%
1.5/2
AliChess 4.062234       45%
4.5/10
50%
4/8
Buzz 0.08 64-bit2233      64%
9/14
 0%
0/4
Adam 3.32211      60%
6/10
 50%
1/2
ChessKISS 1.7 64-bit2210      70%
7/10
 45%
4.5/10
Neurosis 2.32209      70%
7/10
45%
4.5/10
 
Carballo 0.82196      67%
4/6
25%
0.5/2
31%
5.5/18
NG-Play 9.85 64-bit2191       52%
11.5/22
50%
2/4
EXchess 5.04b 64-bit2188       70%
7/10
25%
2/8
Prophet 2.0 64-bit2180       55%
11/20
50%
2/4
ProChess 1.02AD2164      78%
12.5/16
50%
6/12
65%
6.5/10
Chesley r323 64-bit2162      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-bit2123      67%
4/6
62%
12.5/20
46%
5.5/12
BikJump 2.01 64-bit2118       70%
7/10
33%
4/12
NameEloK2
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
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%

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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
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Reference rating list:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on May 18, 2019