CCRL 40/15
Downloads and Statistics
February 28, 2021
Testing summary:
Total: 1'220'774 games
played by 2'799 programs

White wins: 419'368 (34.4%)
Black wins: 308'512 (25.3%)
Draws: 492'894 (40.4%)
White score: 54.5%

Custom engine selection

Comparing 11 engines!
11 selected engines played 0 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 28, 2021 with Bayeselo based on 1'220'774 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 0.992695+25−2541.1%+60.435.0%543 
98.2%
 K2 0.952663+16−1648.2%+11.832.8%1297
100.0%
 K2 0.912616+15−1549.0%+7.132.9%1497
99.7%
 K2 0.872584+18−1749.0%+5.634.7%1102
99.9%
 K2 0.832534+26−2651.7%−12.333.3%474
98.9%
 K2 0.752493+23−2352.4%−18.932.8%634
99.7%
 K2 0.792441+29−2947.4%+18.630.6%402
85.6%
 K2 0.712419+28−2851.4%−9.627.6%439
100.0%
 K2 0.672355+23−2352.7%−17.229.7%677
100.0%
 K2 0.572188+33−3347.0%+22.225.8%314
97.7%
 K2 0.43f2140+33−3348.2%+11.921.3%338
 

Results matrix

Custom engine selection
#NameElo1234567891011
1K2 0.992695           
2K2 0.952663           
3K2 0.912616           
4K2 0.872584           
5K2 0.832534           
6K2 0.752493           
7K2 0.792441           
8K2 0.712419           
9K2 0.672355           
10K2 0.572188           
11K2 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
#NameElo1234567891011
1K2 0.992695 98.2100.0100.0100.0100.0100.0100.0100.0100.0100.0
2K2 0.9526631.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0
3K2 0.9126160.00.0 99.7100.0100.0100.0100.0100.0100.0100.0
4K2 0.8725840.00.00.3 99.9100.0100.0100.0100.0100.0100.0
5K2 0.8325340.00.00.00.1 98.9100.0100.0100.0100.0100.0
6K2 0.7524930.00.00.00.01.1 99.7100.0100.0100.0100.0
7K2 0.7924410.00.00.00.00.00.3 85.6100.0100.0100.0
8K2 0.7124190.00.00.00.00.00.014.4 100.0100.0100.0
9K2 0.6723550.00.00.00.00.00.00.00.0 100.0100.0
10K2 0.5721880.00.00.00.00.00.00.00.00.0 97.7
11K2 0.43f21400.00.00.00.00.00.00.00.00.02.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1K2 0.992695 313280320600000
2K2 0.952663313 30521844181203000
3K2 0.912616280305 446122242202400
4K2 0.87258432218446 32517276324403
5K2 0.83253404412325 28231014115000
6K2 0.75249361822172282 495448240146
7K2 0.7924410124276310495 26220200
8K2 0.712419002032141448262 2661812
9K2 0.6723550302444150240202266 234192
10K2 0.5721880000014018234 244
11K2 0.43f2140000306012192244 
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
1K2 0.992695 17.013.71.90.00.50.00.00.00.00.0
2K2 0.95266317.0 10.99.12.50.90.70.01.50.00.0
3K2 0.91261613.710.9 17.20.61.02.21.01.10.00.0
4K2 0.8725841.99.117.2 20.69.95.12.12.50.00.2
5K2 0.8325340.02.50.620.6 25.535.415.413.00.00.0
6K2 0.7524930.50.91.09.925.5 47.841.818.31.50.6
7K2 0.7924410.00.72.25.135.447.8 31.218.70.00.0
8K2 0.7124190.00.01.02.115.441.831.2 23.82.41.5
9K2 0.6723550.01.51.12.513.018.318.723.8 23.618.9
10K2 0.5721880.00.00.00.00.01.50.02.423.6 37.4
11K2 0.43f21400.00.00.00.20.00.60.01.518.937.4 
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 175 common opponents

Custom engine selection
NameEloK2
0.99
K2
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
Monolith 1.0 64-bit279433%
16.5/50
25%
1/4
28%
8.5/30
        
RuyDos 1.1.9 64-bit2792 12%
0.5/4
20%
6.5/33
        
tomitankChess 3.0 64-bit2786 50%
2/4
12%
0.5/4
        
RuyDos 1.1.10 64-bit278234%
17/50
30%
3/10
         
Cheese 2.0 64-bit276236%
18/50
 31%
10/32
        
Francesca MAD 0.24 64-bit2758 12%
0.5/4
25%
9/36
        
Carballo 1.7 64-bit2737 30%
3/10
 42%
5/12
       
Arminius 2018-12-23 64-bit273353%
26.5/50
36%
8/22
36%
11.5/32
        
Shield 2.1 64-bit272750%
25/50
50%
3/6
         
Devel 2.00002725 34%
5.5/16
12%
0.5/4
        
ProDeo 2.22720 55%
5.5/10
 25%
1/4
       
GreKo 2020.03 64-bit271449%
24.5/50
41%
6.5/16
         
Bagatur 1.7a 64-bit2710 50%
2/4
38%
1.5/4
        
Carballo 1.6 64-bit2710   0%
0/2
33%
2/6
      
Ktulu 82706 50%
5/10
 20%
2/10
       
Cheese 1.9 64-bit2705  38%
4.5/12
38%
3/8
       
DanaSah 8.32694100%
1/1
47%
16/34
         
Fridolin 3.10 64-bit268351%
25.5/50
36%
13.5/38
25%
1/4
        
WyldChess 1.51 64-bit2683  46%
5.5/12
25%
1/4
       
Fridolin 3.00 64-bit2676 100%
1/1
88%
3.5/4
        
NameEloK2
0.99
K2
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
Shallow 2020-09-09 64-bit2671100%
1/1
42%
13.5/32
         
ChessBrainVB 2.052669   67%
2/3
 33%
2/6
     
RedQueen 1.1.98 64-bit2663 25%
1.5/6
 44%
7/16
62%
5/8
      
Drosophila 1.6 64-bit265950%
0.5/1
48%
11.5/24
         
CM9000 Enforcer265838%
1.5/4
  25%
0.5/2
       
Floyd 0.9 64-bit2658   39%
11/28
25%
1/4
      
Philou 3.7.1 64-bit2651 70%
7/10
 50%
1/2
       
Cyrano 0.6b17 32-bit2648  29%
3.5/12
45%
4.5/10
       
ECE X3 64-bit2645  41%
6.5/16
52%
10.5/20
       
Gandalf 7 64-bit264525%
1/4
 50%
6/12
38%
1.5/4
       
CM10th Magic II2644  54%
6.5/12
25%
0.5/2
       
ECE X3.5 64-bit2642 50%
5/10
50%
4/8
        
DanaSah 7.32640 62%
2.5/4
45%
13/29
62%
5/8
       
WyldChess 1.4 64-bit2640   38%
1.5/4
20%
2/10
      
DanaSah 7.92636 50%
2/4
62%
2.5/4
        
Sjakk 2.2 64-bit2633 62%
2.5/4
 25%
0.5/2
 0%
0/2
     
Rodin 8.0262850%
2/4
50%
2/4
 43%
17.5/41
       
NoraGrace 2.0 64-bit2623 65%
6.5/10
   25%
1/4
  12%
0.5/4
  
Phalanx XXV2619 88%
3.5/4
 46%
18/39
       
Monolith 0.4 64-bit2609  31%
2.5/8
46%
5.5/12
       
NameEloK2
0.99
K2
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
Betsabe II 20202608100%
4/4
43%
6/14
         
Donna 4.0 64-bit2606   46%
17.5/38
 44%
3.5/8
     
Gogobello 1.3 64-bit2606   55%
5.5/10
30%
3/10
      
DanaSah 6.502605   38%
8/21
55%
5.5/10
      
Arminius 2015-08-06 64-bit2604   50%
7/14
38%
1.5/4
29%
3.5/12
     
Nawito 18122599 80%
8/10
53%
8.5/16
        
N2 0.4 64-bit2594  42%
5/12
55%
5.5/10
       
GreKo 2016 64-bit2593   50%
2/4
30%
3/10
      
Brutus 8.05 64-bit258875%
3/4
  75%
1.5/2
 25%
0.5/2
     
Donna 4.1 64-bit2587 66%
10.5/16
47%
18/38
        
Drofa 2.1.0 64-bit258638%
1.5/4
83%
5/6
         
Coiled 0.6 64-bit258538%
1.5/4
50%
8/16
50%
10/20
        
Ethereal 7.78 64-bit2585   35%
4.5/13
35%
3.5/10
      
GarboChess 3.0 64-bit2585  46%
5.5/12
20%
2/10
       
Marvin 2.1.0 64-bit2582   62%
2.5/4
25%
2.5/10
      
Jellyfish 1.1 64-bit2581   42%
8.5/20
46%
5.5/12
46%
6.5/14
     
Delocto 0.6 64-bit2580 38%
1.5/4
58%
18.5/32
50%
8/16
       
GreKo 12.9 64-bit2579    31%
2.5/8
25%
0.5/2
     
Capivara LK 0.09b02f 64-bit2569    50%
4/8
38%
3/8
19%
1.5/8
    
Schooner 1.8 64-bit2568  50%
2/4
64%
11.5/18
       
NameEloK2
0.99
K2
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
Coiled 0.4 64-bit2564 62%
5/8
 61%
19.5/32
       
SOS 5.12564  50%
6/12
   25%
2/8
    
Capivara LK 0.09b02g 64-bit2562 75%
7.5/10
 67%
8/12
38%
3/8
      
JikChess 0.02 64-bit2559  46%
5.5/12
57%
8/14
38%
1.5/4
65%
6.5/10
45%
4.5/10
    
Zurichess Glarus 64-bit2559   50%
5/10
46%
5.5/12
42%
2.5/6
     
Dorky 4.8 64-bit2558 31%
2.5/8
62%
2.5/4
        
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
    
Capivara LK 0.09b02c 64-bit2556  58%
7/12
50%
5/10
       
tomitankChess 1.4 64-bit2556  71%
8.5/12
50%
1/2
       
RubiChess 0.9 64-bit2554  75%
9/12
67%
4/6
   0%
0/6
   
Ghost 3.1 64-bit2552  66%
10.5/16
46%
13/28
       
Phalanx XXIV2538     40%
2/5
30%
3/10
    
chess22k 1.3 64-bit2538 69%
5.5/8
 50%
5/10
       
Maverick 1.5 64-bit2537    38%
1.5/4
55%
6/11
75%
3/4
    
Marvin 2.0.0 64-bit2534  62%
7.5/12
     8%
1/12
  
nanoSzachy 4.1 64-bit2534   50%
7/14
56%
9/16
0%
0/1
33%
4/12
    
Fridolin 2.00 64-bit2532   60%
6/10
50%
2/4
40%
6/15
38%
6/16
    
Orion 0.5 64-bit2528  68%
13.5/20
44%
3.5/8
       
Donna 3.1 64-bit2519     56%
5/9
15%
1.5/10
    
NameEloK2
0.99
K2
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
Bagatur 1.5e 64-bit2517  84%
13.5/16
50%
6/12
       
AnMon 5.602515     45%
4.5/10
 25%
2.5/10
   
CyberPagno 3.0 64-bit2515 62%
5/8
 75%
10.5/14
25%
1/4
   30%
3/10
  
Floyd 0.8 64-bit2510   45%
4.5/10
50%
6/12
   15%
1.5/10
  
Maverick 1.0 64-bit2509     60%
12/20
  50%
5/10
  
Tao 5.62502     50%
0.5/1
50%
1/2
    
Pupsi2 0.092500     50%
1/2
0%
0/2
    
LittleThought 1.052 64-bit2498     50%
1/2
75%
1.5/2
    
Delphil 3.2 64-bit2496    56%
4.5/8
52%
11/21
50%
6/12
    
Pepito 1.59.2 64-bit2495     25%
1/4
75%
1.5/2
40%
4/10
   
JikChess 0.01 64-bit2489     45%
10/22
 75%
7.5/10
19%
1.5/8
  
Yace 0.99.872488     50%
0.5/1
50%
1/2
    
Ghost 2.0.2 64-bit2486    62%
5/8
54%
13.5/25
46%
5.5/12
29%
4/14
0%
0/4
  
KnightX 1.97a 64-bit2485 75%
4.5/6
    33%
2/6
    
Zurichess Geneva 64-bit2484      25%
3.5/14
44%
3.5/8
   
Xpdnt 0910072483     25%
0.5/2
50%
1/2
    
Pawny 0.3.1 64-bit2475     40%
4/10
 35%
3.5/10
   
Shield 1.2 64-bit2474    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-bit2470   58%
7/12
   19%
1.5/8
   
NameEloK2
0.99
K2
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
Quark 2.352469     100%
1/1
75%
1.5/2
    
Bumblebee 1.0 64-bit2466     45%
4.5/10
50%
1/2
    
Carballo 1.22464     42%
5/12
 55%
5.5/10
   
Carballo 1.32463     42%
5/12
50%
5/10
    
Giraffe 20150908 64-bit2463    62%
2.5/4
0%
0/2
45%
4.5/10
 50%
4/8
  
Bumblebee 1.0.36898e1 64-bit2448    62%
2.5/4
  45%
4.5/10
   
Abrok 5.02445    62%
5/8
60%
6/10
44%
3.5/8
15%
1.5/10
   
Typhoon 1.00-3482445    50%
4/8
 38%
3/8
    
Betsabe II 1.472444     52%
11.5/22
39%
7/18
32%
6/19
50%
2/4
  
Hussar 0.42444  100%
1/1
    50%
0.5/1
   
Lozza 1.17a 64-bit2444    88%
3.5/4
   40%
4/10
  
Eeyore 1.52 64-bit2442   50%
0.5/1
 60%
6/10
     
Zurichess Fribourg 64-bit2441     50%
1/2
  50%
5/10
  
Snitch 1.6.2 64-bit2434     50%
1/2
 50%
5/10
   
Cmcchess 2.6 64-bit2422    75%
9/12
75%
1.5/2
42%
7.5/18
 40%
4/10
  
Bitfoot 1.0.d9aeb43 64-bit2420     50%
1/2
75%
12/16
    
Ares 1.005 64-bit2419    44%
3.5/8
50%
2/4
56%
4.5/8
40%
6/15
62%
2.5/4
  
Gaia 3.5 64-bit2416     71%
8.5/12
56%
4.5/8
50%
5.5/11
   
Shallow r688 64-bit2414     53%
8.5/16
62%
5/8
58%
10.5/18
88%
3.5/4
  
Ares 1.005.2 64-bit2412    88%
3.5/4
100%
1/1
67%
4/6
50%
5/10
   
NameEloK2
0.99
K2
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
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-bit2402    100%
8/8
53%
9.5/18
56%
4.5/8
64%
11.5/18
12%
0.5/4
  
Lozza 1.16 64-bit2399    81%
6.5/8
 72%
13/18
 70%
7/10
  
Myrddin 0.87 64-bit2397    50%
4/8
12%
0.5/4
42%
2.5/6
62%
2.5/4
56%
4.5/8
  
Alex 2.14a 64-bit2394     60%
6/10
 70%
7/10
   
Shield 1.1 64-bit2392    69%
5.5/8
 50%
5/10
    
Waxman 20142391     68%
13.5/20
50%
2/4
0%
0/4
46%
5.5/12
  
Giraffe 20150828 64-bit2384      62%
5/8
 40%
4/10
  
Carballo 1.1.12375       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
   
MadChess 2.0 64-bit2371     100%
2/2
38%
1.5/4
 55%
5.5/10
  
Tytan 9.32 64-bit2369       65%
6.5/10
31%
2.5/8
  
Plisk 0.2.7d 64-bit2363     75%
7.5/10
  40%
4/10
  
Donna 1.0 64-bit2358       75%
6/8
44%
3.5/8
  
Typhoon 1.00-358 64-bit2353       80%
8/10
53%
9.5/18
  
CyberPagno 2.3 64-bit2344      62%
2.5/4
 50%
5/10
  
Maverick 0.51 64-bit2342       64%
9/14
42%
2.5/6
  
Jazz 840 64-bit2340     75%
1.5/2
62%
2.5/4
50%
2/4
   
CyberPagno 2.2 64-bit2337     100%
2/2
 53%
9.5/18
42%
2.5/6
  
NameEloK2
0.99
K2
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
Gibbon 2.60a 64-bit2337       75%
3/4
 25%
0.5/2
 
Nemeton 1.12332       50%
9/18
58%
3.5/6
  
Bagatur 1.3a 64-bit2327       75%
7.5/10
 0%
0/2
 
Gibbon 2.69a 64-bit2320     90%
9/10
75%
3/4
    
EveAnn 1.71a2319        71%
8.5/12
20%
2/10
 
Popochin 2.92317        55%
5.5/10
65%
6.5/10
 
Nemeton 1.22310     50%
3/6
 88%
3.5/4
62%
2.5/4
  
NoraGrace 1.0 64-bit2309        50%
5/10
30%
3/10
 
pikoSzachy Extreme2309       75%
3/4
50%
2/4
  
Anechka 0.082302   100%
1/1
      0%
0/2
Fischerle 0.9.65 64-bit2290     75%
1.5/2
100%
4/4
    
FireFly 2.7.0 64-bit2288     75%
1.5/2
 88%
3.5/4
55%
5.5/10
0%
0/2
30%
3/10
Orion 0.2 64-bit2280     50%
1/2
  67%
8/12
0%
0/2
 
Ayito 0.2.9942268        25%
1/4
 50%
1/2
Protej 0.5.8c2257     100%
2/2
  50%
7/14
25%
3/12
 
RattateChess 1.0 Nosferatu2254        62%
2.5/4
 50%
1/2
Exacto 0.e 64-bit2252        66%
10.5/16
25%
0.5/2
33%
2/6
MadChess 1.4 64-bit2249         33%
4/12
40%
4/10
Mango Paola Ajedrez 4.12246        64%
9/14
29%
3.5/12
30%
3/10
Absolute Zero 2.4.0.0 64-bit2244        67%
4/6
100%
2/2
75%
1.5/2
NameEloK2
0.99
K2
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
Buzz 0.08 64-bit2235        64%
9/14
 0%
0/4
AliChess 4.062234         45%
4.5/10
50%
4/8
Neurosis 2.32214        70%
7/10
45%
4.5/10
 
Adam 3.32211        60%
6/10
 50%
1/2
ChessKISS 1.7 64-bit2210        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-bit2192         52%
11.5/22
50%
2/4
EXchess 5.04b 64-bit2188         70%
7/10
25%
2/8
Prophet 2.0 64-bit2178         55%
11/20
50%
2/4
ProChess 1.02AD2164        78%
12.5/16
50%
6/12
65%
6.5/10
Chesley r323 64-bit2163        68%
9.5/14
60%
6/10
38%
1.5/4
Waxman 20082140         75%
7.5/10
62%
5/8
Napoleon 1.5.0 64-bit2124        67%
4/6
62%
12.5/20
46%
5.5/12
BikJump 2.01 64-bit2120         70%
7/10
33%
4/12
Clarabit 1.00 64-bit2106         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
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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

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Created in 2005-2013 by CCRL team
Last games added on February 28, 2021