CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 8 engines!
8 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 October 19, 2019 with Bayeselo based on 1'092'341 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+
 Isa 2.0.83 64-bit2363+45−4546.5%+21.429.4%170 
53.3%
1Isa 2.0.64 64-bit2361+16−1652.9%−21.627.3%1367
99.2%
 Isa 2.0.61 64-bit2319+30−3050.0%−4.127.9%383
98.9%
 Isa 2.0.48 64-bit2270+30−3050.5%−4.833.5%373
67.7%
 Isa 2.0.45 64-bit2260+28−2849.6%+1.628.9%450
94.0%
 Isa 1.9.68 64-bit2228+30−3050.0%+2.027.8%374
97.4%
 Isa 1.9.63 64-bit2188+27−2744.6%+36.728.4%483
77.9%
 Isa 1.9.51 64-bit2173+27−2752.6%−20.224.0%488
 

Results matrix

Custom engine selection
#NameElo12345678
1Isa 2.0.83 64-bit2363        
2Isa 2.0.64 64-bit2361        
3Isa 2.0.61 64-bit2319        
4Isa 2.0.48 64-bit2270        
5Isa 2.0.45 64-bit2260        
6Isa 1.9.68 64-bit2228        
7Isa 1.9.63 64-bit2188        
8Isa 1.9.51 64-bit2173        
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
#NameElo12345678
1Isa 2.0.83 64-bit2363 53.394.5100.0100.0100.0100.0100.0
2Isa 2.0.64 64-bit236146.7 99.2100.0100.0100.0100.0100.0
3Isa 2.0.61 64-bit23195.50.8 98.999.8100.0100.0100.0
4Isa 2.0.48 64-bit22700.00.01.1 67.797.4100.0100.0
5Isa 2.0.45 64-bit22600.00.00.232.3 94.0100.0100.0
6Isa 1.9.68 64-bit22280.00.00.02.66.0 97.499.6
7Isa 1.9.63 64-bit21880.00.00.00.00.02.6 77.9
8Isa 1.9.51 64-bit21730.00.00.00.00.00.422.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Isa 2.0.83 64-bit2363 3414852380612
2Isa 2.0.64 64-bit2361341 367325325154174140
3Isa 2.0.61 64-bit231948367 36041025227756
4Isa 2.0.48 64-bit227052325360 497359246102
5Isa 2.0.45 64-bit226038325410497 526407188
6Isa 1.9.68 64-bit22280154252359526 419230
7Isa 1.9.63 64-bit21886174277246407419 319
8Isa 1.9.51 64-bit21731214056102188230319 
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
#NameElo12345678
1Isa 2.0.83 64-bit2363 22.28.79.66.10.00.91.8
2Isa 2.0.64 64-bit236122.2 21.018.717.98.89.47.5
3Isa 2.0.61 64-bit23198.721.0 47.649.233.332.06.4
4Isa 2.0.48 64-bit22709.618.747.6 60.448.128.711.8
5Isa 2.0.45 64-bit22606.117.949.260.4 63.843.620.0
6Isa 1.9.68 64-bit22280.08.833.348.163.8 48.926.7
7Isa 1.9.63 64-bit21880.99.432.028.743.648.9 32.9
8Isa 1.9.51 64-bit21731.87.56.411.820.026.732.9 
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 105 common opponents

Custom engine selection
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Jumbo 0.6.10 64-bit2483 0%
0/4
38%
1.5/4
     
Nemeton 1.512453      15%
1.5/10
8%
0.5/6
Orion 0.4 64-bit2452 62%
2.5/4
62%
2.5/4
     
Bumblebee 1.0.36898e1 64-bit244688%
3.5/4
 25%
1/4
 38%
1.5/4
   
Shallow r694 64-bit2444 75%
3/4
38%
1.5/4
 0%
0/4
   
Teki 2 64-bit244270%
3.5/5
52%
16.5/32
      
Bearded N44.5 64-bit2438 25%
2/8
 5%
0.5/10
    
Tunguska 1.1 64-bit243838%
6/16
35%
3.5/10
      
Cmcchess 2.6 64-bit242125%
0.5/2
25%
1/4
      
Kiwi 0.6d 32-bit2419 62%
2.5/4
33%
2/6
     
Monolith 0.3 64-bit2417 83%
2.5/3
38%
1.5/4
38%
1.5/4
    
RomiChess P3n 64-bit241654%
7.5/14
58%
11.5/20
50%
2/4
20%
2/10
    
Gaia 3.5 64-bit241262%
2.5/4
62%
2.5/4
42%
2.5/6
     
Ares 1.005.2 64-bit2411 17%
0.5/3
  12%
0.5/4
   
KnightDreamer 3.3240433%
2/6
38%
1.5/4
      
Simplex 0.9.8 64-bit2400 38%
1.5/4
25%
1.5/6
     
Myrddin 0.87 64-bit239758%
3.5/6
18%
3.5/19
  40%
4/10
   
Gosu 0.162396 14%
1/7
50%
3/6
     
Popochin 4.1 64-bit239425%
1.5/6
40%
9.5/24
      
Alex 2.14a 64-bit2393 75%
3/4
33%
2/6
     
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Zevra 2.1.2 r248 64-bit239050%
1/2
55%
5.5/10
      
Ares GB 64-bit238850%
4/8
45%
24.5/54
      
Galjoen 0.39 64-bit238745%
4.5/10
23%
3/13
      
Thor's Hammer 2.28 32-bit237950%
1/2
12%
0.5/4
      
Zevra 2.1.1 r216 64-bit237955%
5.5/10
46%
5.5/12
      
Waxman 20162378  38%
1.5/4
 62%
2.5/4
   
Googleplex Starthinker 1.6 64-bit237642%
2.5/6
75%
4.5/6
      
OliThink 5.3.2 64-bit2374 75%
3/4
 25%
2.5/10
40%
4/10
   
Waxman 2017237050%
5/10
48%
11.5/24
      
Plisk 0.2.7d 64-bit236150%
1/2
47%
7/15
 55%
5.5/10
    
KnightX 1.94 64-bit235175%
3/4
54%
18.5/34
      
Napoleon 1.8 64-bit233938%
1.5/4
50%
6/12
      
Aice 0.99.22338 62%
2.5/4
83%
5/6
 55%
5.5/10
   
Asterisk 0.62331 62%
5/8
75%
4.5/6
     
FireFly 2.7.2 64-bit233131%
2.5/8
66%
21/32
55%
5.5/10
39%
5.5/14
17%
1/6
   
Amundsen 0.802328 58%
7/12
50%
3/6
50%
5/10
    
Chezzz 1.0.32322 33%
4/12
50%
3/6
     
EveAnn 1.722320 60%
21/35
50%
2/4
50%
2/4
46%
5.5/12
29%
4/14
  
Googleplex Starthinker 1.4 64-bit232042%
2.5/6
57%
16/28
      
EveAnn 1.71a2319 88%
3.5/4
42%
2.5/6
     
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Gibbon 2.69a 64-bit2319 38%
1.5/4
 40%
4/10
33%
4/12
39%
5.5/14
30%
3/10
25%
2/8
KnightX 1.922317 58%
7/12
33%
2/6
40%
4/10
45%
4.5/10
 35%
3.5/10
 
Asymptote 0.2.0 64-bit2314 50%
19.5/39
25%
1.5/6
     
Averno 0.812313 46%
5.5/12
33%
2/6
50%
5/10
40%
4/10
25%
2.5/10
55%
5.5/10
 
Nemeton 1.22309      20%
2/10
44%
3.5/8
RubiChess 0.7 64-bit2307 58%
7/12
    75%
4.5/6
 
Ant 2006-F2303 54%
6.5/12
58%
3.5/6
 80%
8/10
20%
2/10
  
Joker 1.1.142302 38%
3/8
42%
2.5/6
50%
2/4
0%
0/2
62%
2.5/4
  
Natwarlal 0.142302 62%
2.5/4
58%
10.5/18
 40%
4/10
 15%
1.5/10
 
Anechka 0.082300   50%
5/10
30%
3/10
25%
2.5/10
35%
3.5/10
 
Schooner 1.5 64-bit2300     45%
4.5/10
25%
3.5/14
31%
2.5/8
Fischerle 0.9.80 SE 64-bit2299  58%
3.5/6
38%
6/16
31%
5/16
36%
5/14
  
Absolute Zero 2.4.7.2 64-bit2295 62%
2.5/4
50%
5/10
12%
0.5/4
25%
2/8
53%
9.5/18
25%
3.5/14
25%
2/8
Fischerle 0.9.70 SE 64-bit2295 50%
2/4
    25%
1/4
56%
4.5/8
Invictus r228 64-bit2291100%
1/1
54%
7.5/14
      
Matilde 2008 64-bit2291 75%
3/4
58%
3.5/6
40%
4/10
45%
4.5/10
39%
5.5/14
25%
2.5/10
 
Chaturanga 2.4.32290 88%
7/8
58%
3.5/6
 70%
7/10
 20%
2/10
 
FireFly 2.7.0 64-bit2287   50%
0.5/1
29%
3.5/12
46%
6.5/14
43%
6/14
 
Bearded N44.2 64-bit2286    38%
1.5/4
38%
1.5/4
43%
6/14
 
Galjoen 0.38 64-bit2283 59%
9.5/16
    12%
0.5/4
38%
1.5/4
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Chispa 4.0.32273 88%
3.5/4
50%
3/6
 35%
3.5/10
35%
3.5/10
45%
4.5/10
 
Ayito 0.2.9942265  50%
3/6
55%
5.5/10
  35%
3.5/10
 
CT800 1.30 64-bit2256 54%
7.5/14
     39%
5.5/14
Protej 0.5.8c2253  83%
5/6
 25%
0.5/2
 50%
5/10
 
Exacto 0.e 64-bit2252  42%
2.5/6
70%
7/10
  50%
5/10
 
RattateChess 1.0 Nosferatu2252  75%
4.5/6
45%
4.5/10
 45%
4.5/10
  
Beowulf 2.4a 64-bit2250  42%
2.5/6
55%
5.5/10
55%
5.5/10
   
Mango Paola Ajedrez 4.12248    50%
1/2
40%
4/10
50%
5/10
 
Lozza 1.14a 64-bit2247      39%
3.5/9
19%
1.5/8
Atak 6.82237  67%
4/6
   45%
4.5/10
 
Buzz 0.08 64-bit2230  33%
2/6
50%
5/10
40%
4/10
50%
5/10
  
Dolphin 1.0 64-bit2230  67%
4/6
40%
4/10
35%
3.5/10
 39%
3.5/9
 
RamJet 0.132228  67%
4/6
38%
1.5/4
68%
9.5/14
53%
9.5/18
62%
2.5/4
0%
0/2
Tiny Chess 1.46 64-bit2225 78%
7/9
67%
4/6
72%
11.5/16
64%
9/14
   
Joker2 0.7.7 64-bit2221 69%
5.5/8
     62%
5/8
Robocide 20170718 64-bit2221 62%
5/8
 70%
7/10
   31%
2.5/8
Uralochka 1.1b2218   45%
4.5/10
 70%
7/10
70%
7/10
 
CT800 1.12 64-bit2216 62%
2.5/4
 100%
2/2
    
ChessKISS 1.7c 64-bit2214    82%
11.5/14
50%
5/10
 50%
9/18
OBender 03.2016 64-bit2214  42%
2.5/6
54%
6.5/12
50%
9/18
46%
6.5/14
39%
5.5/14
31%
5.5/18
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Adam 3.32211  58%
3.5/6
55%
5.5/10
35%
3.5/10
65%
6.5/10
  
Neurosis 2.32211   45%
4.5/10
55%
5.5/10
   
Baislicka 1.0 64-bit2207 62%
5/8
 67%
4/6
54%
6.5/12
   
Napoleon 1.6.0b 64-bit2207      61%
8.5/14
50%
1/2
ChessAlex 2.0r42205  75%
4.5/6
   80%
8/10
 
Latista (Sinobyl) 1.52203  67%
4/6
75%
7.5/10
45%
4.5/10
30%
3/10
  
Dorpsgek Dillinger 64-bit2195  75%
4.5/6
67%
4/6
57%
8/14
   
Zevra 1.8.2 r612 64-bit2194 75%
3/4
     50%
2/4
GopherCheck 0.2.3 64-bit2191  75%
4.5/6
72%
11.5/16
54%
7.5/14
61%
8.5/14
25%
0.5/2
 
NG-Play 9.85 64-bit2191   65%
6.5/10
 60%
6/10
  
NG-Play 9.87 64-bit2188 100%
4/4
 100%
2/2
83%
5/6
75%
3/4
88%
3.5/4
50%
5/10
NagaSkaki 5.122186    65%
6.5/10
50%
5/10
30%
3/10
 
Lime 662178     45%
4.5/10
68%
7.5/11
 
Soldat III 0.187 64-bit2176   17%
1/6
62%
7.5/12
   
Clever Girl r185 64-bit216650%
2/4
75%
3/4
    0%
0/2
70%
7/10
Chesley r323 64-bit2161  92%
5.5/6
   65%
6.5/10
62%
5/8
Dorpsgek Cosmopolitan 2 64-bit2152     75%
3/4
62%
2.5/4
28%
5/18
Blitzkrieg rev337 64-bit2143   0%
0/2
62%
7.5/12
62%
2.5/4
75%
7.5/10
42%
7.5/18
Parrot 07.07.222136    80%
8/10
60%
6/10
45%
4.5/10
 
Barbarossa 0.4.0 64-bit2133    92%
11/12
79%
11/14
50%
7/14
61%
8.5/14
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Tunguska 1.0 64-bit2129   75%
1.5/2
75%
1.5/2
62%
2.5/4
 80%
8/10
BigLion 2.23w2077     75%
3/4
55%
5.5/10
81%
6.5/8
Galjoen 0.36 64-bit2074    50%
1/2
 60%
6/10
 
Soldat III 0.178 64-bit2070      50%
5/10
70%
7/10
Cinnamon 2.0 64-bit2036     62%
2.5/4
 40%
4/10
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 October 19, 2019