CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

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 July 11, 2019 with Bayeselo based on 1'066'603 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-bit2372+66−6648.8%+8.827.5%80 
65.5%
1Isa 2.0.64 64-bit2359+16−1652.7%−21.627.5%1351
98.9%
 Isa 2.0.61 64-bit2318+30−3050.0%−3.927.9%383
98.9%
 Isa 2.0.48 64-bit2268+30−3050.5%−4.433.5%373
67.1%
 Isa 2.0.45 64-bit2259+28−2849.6%+1.228.9%450
94.0%
 Isa 1.9.68 64-bit2227+30−3050.0%+1.727.8%374
97.7%
 Isa 1.9.63 64-bit2185+27−2744.4%+39.028.2%479
76.0%
 Isa 1.9.51 64-bit2171+27−2752.6%−19.424.0%488
 

Results matrix

Custom engine selection
#NameElo12345678
1Isa 2.0.83 64-bit2372        
2Isa 2.0.64 64-bit2359        
3Isa 2.0.61 64-bit2318        
4Isa 2.0.48 64-bit2268        
5Isa 2.0.45 64-bit2259        
6Isa 1.9.68 64-bit2227        
7Isa 1.9.63 64-bit2185        
8Isa 1.9.51 64-bit2171        
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-bit2372 65.592.999.899.9100.0100.0100.0
2Isa 2.0.64 64-bit235934.5 98.9100.0100.0100.0100.0100.0
3Isa 2.0.61 64-bit23187.11.1 98.999.8100.0100.0100.0
4Isa 2.0.48 64-bit22680.20.01.1 67.197.3100.0100.0
5Isa 2.0.45 64-bit22590.10.00.232.9 94.0100.0100.0
6Isa 1.9.68 64-bit22270.00.00.02.76.0 97.799.6
7Isa 1.9.63 64-bit21850.00.00.00.00.02.3 76.0
8Isa 1.9.51 64-bit21710.00.00.00.00.00.424.0 
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-bit2372 1944230300612
2Isa 2.0.64 64-bit2359194 367325325154174140
3Isa 2.0.61 64-bit231842367 36041025227756
4Isa 2.0.48 64-bit226830325360 497359246102
5Isa 2.0.45 64-bit225930325410497 526407188
6Isa 1.9.68 64-bit22270154252359526 419230
7Isa 1.9.63 64-bit21856174277246407419 319
8Isa 1.9.51 64-bit21711214056102188230319 
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-bit2372 13.69.16.65.70.01.12.1
2Isa 2.0.64 64-bit235913.6 21.218.918.08.99.57.6
3Isa 2.0.61 64-bit23189.121.2 47.649.233.332.16.4
4Isa 2.0.48 64-bit22686.618.947.6 60.448.128.911.8
5Isa 2.0.45 64-bit22595.718.049.260.4 63.843.820.0
6Isa 1.9.68 64-bit22270.08.933.348.163.8 49.126.7
7Isa 1.9.63 64-bit21851.19.532.128.943.849.1 33.0
8Isa 1.9.51 64-bit21712.17.66.411.820.026.733.0 
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 99 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-bit2482 0%
0/4
38%
1.5/4
     
Nemeton 1.512452      15%
1.5/10
8%
0.5/6
Orion 0.4 64-bit2451 62%
2.5/4
62%
2.5/4
     
Tunguska 1.1 64-bit244638%
3/8
35%
3.5/10
      
Bumblebee 1.0.36898e1 64-bit244588%
3.5/4
 25%
1/4
 38%
1.5/4
   
Shallow r694 64-bit2443 75%
3/4
38%
1.5/4
 0%
0/4
   
Bearded N44.5 64-bit2435 25%
2/8
 5%
0.5/10
    
Kiwi 0.6d 32-bit2418 62%
2.5/4
33%
2/6
     
Monolith 0.3 64-bit2416 83%
2.5/3
38%
1.5/4
38%
1.5/4
    
Gaia 3.5 64-bit241362%
2.5/4
62%
2.5/4
42%
2.5/6
     
RomiChess P3n 64-bit241350%
4/8
58%
11.5/20
50%
2/4
20%
2/10
    
Ares 1.005.2 64-bit2410 17%
0.5/3
  12%
0.5/4
   
KnightDreamer 3.3240938%
1.5/4
38%
1.5/4
      
Simplex 0.9.8 64-bit2399 38%
1.5/4
25%
1.5/6
     
Gosu 0.162395 14%
1/7
50%
3/6
     
Myrddin 0.87 64-bit239475%
3/4
18%
3.5/19
  40%
4/10
   
Alex 2.14a 64-bit2392 75%
3/4
33%
2/6
     
Popochin 4.1 64-bit239125%
1/4
40%
9.5/24
      
Ares GB 64-bit238462%
2.5/4
45%
24.5/54
      
Galjoen 0.39 64-bit238450%
2/4
23%
3/13
      
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 2.1.1 r216 64-bit238250%
4/8
46%
5.5/12
      
Waxman 20162377  38%
1.5/4
 62%
2.5/4
   
OliThink 5.3.2 64-bit2373 75%
3/4
 25%
2.5/10
40%
4/10
   
Waxman 2017236950%
2/4
48%
11.5/24
      
Plisk 0.2.7d 64-bit2358 47%
7/15
 55%
5.5/10
    
KnightX 1.94 64-bit235075%
3/4
54%
18.5/34
      
Napoleon 1.8 64-bit233838%
1.5/4
50%
6/12
      
Aice 0.99.22337 62%
2.5/4
83%
5/6
 55%
5.5/10
   
Asterisk 0.62330 62%
5/8
75%
4.5/6
     
FireFly 2.7.2 64-bit232938%
1.5/4
66%
21/32
55%
5.5/10
39%
5.5/14
17%
1/6
   
Amundsen 0.802327 58%
7/12
50%
3/6
50%
5/10
    
Chezzz 1.0.32321 33%
4/12
50%
3/6
     
Googleplex Starthinker 1.4 64-bit232025%
1/4
57%
16/28
      
EveAnn 1.71a2318 88%
3.5/4
42%
2.5/6
     
EveAnn 1.722318 60%
21/35
50%
2/4
50%
2/4
46%
5.5/12
29%
4/14
  
Gibbon 2.69a 64-bit2318 38%
1.5/4
 40%
4/10
33%
4/12
39%
5.5/14
30%
3/10
25%
2/8
KnightX 1.922315 58%
7/12
33%
2/6
40%
4/10
45%
4.5/10
 35%
3.5/10
 
Asymptote 0.2.0 64-bit2313 50%
19.5/39
25%
1.5/6
     
Averno 0.812312 46%
5.5/12
33%
2/6
50%
5/10
40%
4/10
25%
2.5/10
55%
5.5/10
 
Nemeton 1.22307      20%
2/10
44%
3.5/8
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
Ant 2006-F2302 54%
6.5/12
58%
3.5/6
 80%
8/10
20%
2/10
  
RubiChess 0.7 64-bit2302 58%
7/12
    75%
4.5/6
 
Natwarlal 0.142301 62%
2.5/4
58%
10.5/18
 40%
4/10
 15%
1.5/10
 
Joker 1.1.142300 38%
3/8
42%
2.5/6
50%
2/4
0%
0/2
62%
2.5/4
  
Anechka 0.082299   50%
5/10
30%
3/10
25%
2.5/10
35%
3.5/10
 
Schooner 1.5 64-bit2299     45%
4.5/10
25%
3.5/14
31%
2.5/8
Fischerle 0.9.80 SE 64-bit2297  58%
3.5/6
38%
6/16
31%
5/16
36%
5/14
  
Absolute Zero 2.4.7.2 64-bit2294 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-bit2294 50%
2/4
    25%
1/4
56%
4.5/8
Chaturanga 2.4.32289 88%
7/8
58%
3.5/6
 70%
7/10
 20%
2/10
 
Matilde 2008 64-bit2288 75%
3/4
58%
3.5/6
40%
4/10
45%
4.5/10
39%
5.5/14
25%
2.5/10
 
Bearded N44.2 64-bit2285    38%
1.5/4
38%
1.5/4
43%
6/14
 
FireFly 2.7.0 64-bit2285   50%
0.5/1
29%
3.5/12
46%
6.5/14
43%
6/14
 
Galjoen 0.38 64-bit2282 59%
9.5/16
    12%
0.5/4
38%
1.5/4
Chispa 4.0.32272 88%
3.5/4
50%
3/6
 35%
3.5/10
35%
3.5/10
45%
4.5/10
 
Ayito 0.2.9942264  50%
3/6
55%
5.5/10
  35%
3.5/10
 
CT800 1.30 64-bit2255 54%
7.5/14
     39%
5.5/14
Protej 0.5.8c2251  83%
5/6
 25%
0.5/2
 50%
5/10
 
RattateChess 1.0 Nosferatu2251  75%
4.5/6
45%
4.5/10
 45%
4.5/10
  
Exacto 0.e 64-bit2250  42%
2.5/6
70%
7/10
  50%
5/10
 
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
Beowulf 2.4a 64-bit2248  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-bit2245      39%
3.5/9
19%
1.5/8
Atak 6.82236  67%
4/6
   45%
4.5/10
 
Dolphin 1.0 64-bit2229  67%
4/6
40%
4/10
35%
3.5/10
 39%
3.5/9
 
Buzz 0.08 64-bit2228  33%
2/6
50%
5/10
40%
4/10
50%
5/10
  
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-bit2224 78%
7/9
67%
4/6
72%
11.5/16
64%
9/14
   
Joker2 0.7.7 64-bit2220 69%
5.5/8
     62%
5/8
Robocide 20170718 64-bit2220 62%
5/8
 70%
7/10
   31%
2.5/8
Uralochka 1.1b2217   45%
4.5/10
 70%
7/10
70%
7/10
 
CT800 1.12 64-bit2215 62%
2.5/4
 100%
2/2
    
OBender 03.2016 64-bit2213  42%
2.5/6
54%
6.5/12
50%
9/18
46%
6.5/14
39%
5.5/14
31%
5.5/18
ChessKISS 1.7c 64-bit2212    82%
11.5/14
50%
5/10
 50%
9/18
Adam 3.32210  58%
3.5/6
55%
5.5/10
35%
3.5/10
65%
6.5/10
  
Neurosis 2.32209   45%
4.5/10
55%
5.5/10
   
Baislicka 1.0 64-bit2206 62%
5/8
 67%
4/6
54%
6.5/12
   
Napoleon 1.6.0b 64-bit2205      61%
8.5/14
50%
1/2
ChessAlex 2.0r42204  75%
4.5/6
   80%
8/10
 
Latista (Sinobyl) 1.52202  67%
4/6
75%
7.5/10
45%
4.5/10
30%
3/10
  
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 1.8.2 r612 64-bit2195 75%
3/4
     50%
2/4
Dorpsgek Dillinger 64-bit2193  75%
4.5/6
67%
4/6
57%
8/14
   
GopherCheck 0.2.3 64-bit2190  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-bit2189   65%
6.5/10
 60%
6/10
  
NG-Play 9.87 64-bit2186 100%
4/4
 100%
2/2
83%
5/6
75%
3/4
88%
3.5/4
50%
5/10
NagaSkaki 5.122185    65%
6.5/10
50%
5/10
30%
3/10
 
Lime 662177     45%
4.5/10
68%
7.5/11
 
Soldat III 0.187 64-bit2175   17%
1/6
62%
7.5/12
   
Clever Girl r185 64-bit216250%
2/4
75%
3/4
    0%
0/2
70%
7/10
Chesley r323 64-bit2160  92%
5.5/6
   65%
6.5/10
62%
5/8
Dorpsgek Cosmopolitan 2 64-bit2151     75%
3/4
62%
2.5/4
28%
5/18
Blitzkrieg rev337 64-bit2142   0%
0/2
62%
7.5/12
62%
2.5/4
75%
7.5/10
42%
7.5/18
Parrot 07.07.222134    80%
8/10
60%
6/10
45%
4.5/10
 
Barbarossa 0.4.0 64-bit2132    92%
11/12
79%
11/14
50%
7/14
61%
8.5/14
Tunguska 1.0 64-bit2128   75%
1.5/2
75%
1.5/2
62%
2.5/4
 80%
8/10
BigLion 2.23w2076     75%
3/4
55%
5.5/10
81%
6.5/8
Galjoen 0.36 64-bit2073    50%
1/2
 60%
6/10
 
Soldat III 0.178 64-bit2068      50%
5/10
70%
7/10
Cinnamon 2.0 64-bit2035     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:
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  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 July 11, 2019