CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
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 CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 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-bit2364+42−4248.2%+8.729.7%192 
56.4%
1Isa 2.0.64 64-bit2361+16−1652.7%−20.927.2%1385
99.2%
 Isa 2.0.61 64-bit2318+30−3050.0%−3.827.9%383
98.9%
 Isa 2.0.48 64-bit2269+30−3050.5%−4.833.5%373
67.4%
 Isa 2.0.45 64-bit2260+28−2849.6%+0.728.9%450
94.0%
 Isa 1.9.68 64-bit2227+30−3050.0%+2.227.8%374
97.8%
 Isa 1.9.63 64-bit2186+27−2744.5%+37.429.0%493
76.3%
 Isa 1.9.51 64-bit2172+27−2752.6%−19.924.0%488
 

Results matrix

Custom engine selection
#NameElo12345678
1Isa 2.0.83 64-bit2364        
2Isa 2.0.64 64-bit2361        
3Isa 2.0.61 64-bit2318        
4Isa 2.0.48 64-bit2269        
5Isa 2.0.45 64-bit2260        
6Isa 1.9.68 64-bit2227        
7Isa 1.9.63 64-bit2186        
8Isa 1.9.51 64-bit2172        
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-bit2364 56.495.8100.0100.0100.0100.0100.0
2Isa 2.0.64 64-bit236143.6 99.2100.0100.0100.0100.0100.0
3Isa 2.0.61 64-bit23184.20.8 98.999.8100.0100.0100.0
4Isa 2.0.48 64-bit22690.00.01.1 67.497.3100.0100.0
5Isa 2.0.45 64-bit22600.00.00.232.6 94.0100.0100.0
6Isa 1.9.68 64-bit22270.00.00.02.76.0 97.899.6
7Isa 1.9.63 64-bit21860.00.00.00.00.02.2 76.3
8Isa 1.9.51 64-bit21720.00.00.00.00.00.423.7 
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-bit2364 3914852380612
2Isa 2.0.64 64-bit2361391 367325325154174140
3Isa 2.0.61 64-bit231848367 36041025227756
4Isa 2.0.48 64-bit226952325360 497359246102
5Isa 2.0.45 64-bit226038325410497 526407188
6Isa 1.9.68 64-bit22270154252359526 419230
7Isa 1.9.63 64-bit21866174277246407419 319
8Isa 1.9.51 64-bit21721214056102188230319 
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-bit2364 24.88.39.25.90.00.91.8
2Isa 2.0.64 64-bit236124.8 20.818.517.78.89.37.5
3Isa 2.0.61 64-bit23188.320.8 47.649.233.331.66.4
4Isa 2.0.48 64-bit22699.218.547.6 60.448.128.411.8
5Isa 2.0.45 64-bit22605.917.749.260.4 63.843.220.0
6Isa 1.9.68 64-bit22270.08.833.348.163.8 48.326.7
7Isa 1.9.63 64-bit21860.99.331.628.443.248.3 32.5
8Isa 1.9.51 64-bit21721.87.56.411.820.026.732.5 
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-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
     
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
   
Teki 2 64-bit244062%
5/8
52%
16.5/32
      
Tunguska 1.1 64-bit243742%
7.5/18
35%
3.5/10
      
Bearded N44.5 64-bit2436 25%
2/8
 5%
0.5/10
    
Cmcchess 2.6 64-bit242025%
0.5/2
25%
1/4
      
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
    
RomiChess P3n 64-bit241554%
7.5/14
58%
11.5/20
50%
2/4
20%
2/10
    
Gaia 3.5 64-bit241162%
2.5/4
62%
2.5/4
42%
2.5/6
     
Ares 1.005.2 64-bit2410 17%
0.5/3
  12%
0.5/4
   
KnightDreamer 3.3240233%
2/6
38%
1.5/4
      
Simplex 0.9.8 64-bit2399 38%
1.5/4
25%
1.5/6
     
Zevra 2.1.2 r248 64-bit239850%
2/4
55%
5.5/10
      
Gosu 0.162397 14%
1/7
50%
3/6
     
Myrddin 0.87 64-bit239558%
3.5/6
18%
3.5/19
  40%
4/10
   
Popochin 4.1 64-bit239331%
2.5/8
40%
9.5/24
      
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
Alex 2.14a 64-bit2392 75%
3/4
33%
2/6
     
Galjoen 0.39 64-bit238645%
4.5/10
23%
3/13
      
Ares GB 64-bit238545%
4.5/10
45%
24.5/54
      
Googleplex Starthinker 1.6 64-bit238231%
2.5/8
70%
7/10
      
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 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 2017237046%
5.5/12
48%
11.5/24
      
Plisk 0.2.7d 64-bit235850%
1/2
47%
7/15
 55%
5.5/10
    
KnightX 1.94 64-bit235175%
3/4
54%
18.5/34
      
Aice 0.99.22338 62%
2.5/4
83%
5/6
 55%
5.5/10
   
Napoleon 1.8 64-bit233838%
1.5/4
50%
6/12
      
Asterisk 0.62330 62%
5/8
75%
4.5/6
     
FireFly 2.7.2 64-bit232931%
2.5/8
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-bit232042%
2.5/6
57%
16/28
      
EveAnn 1.722319 60%
21/35
50%
2/4
50%
2/4
46%
5.5/12
29%
4/14
  
EveAnn 1.71a2318 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-bit2318 38%
1.5/4
 40%
4/10
33%
4/12
39%
5.5/14
30%
3/10
25%
2/8
KnightX 1.922316 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 1.22308      20%
2/10
44%
3.5/8
RubiChess 0.7 64-bit2304 58%
7/12
    75%
4.5/6
 
Ant 2006-F2302 54%
6.5/12
58%
3.5/6
 80%
8/10
20%
2/10
  
Joker 1.1.142301 38%
3/8
42%
2.5/6
50%
2/4
0%
0/2
62%
2.5/4
  
Natwarlal 0.142301 62%
2.5/4
58%
10.5/18
 40%
4/10
 15%
1.5/10
 
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-bit2298  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
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
 
Invictus r228 64-bit229075%
3/4
54%
7.5/14
      
Chaturanga 2.4.32289 88%
7/8
58%
3.5/6
 70%
7/10
 20%
2/10
 
FireFly 2.7.0 64-bit2286   50%
0.5/1
29%
3.5/12
46%
6.5/14
43%
6/14
 
Bearded N44.2 64-bit2285    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 4.0.32272 88%
3.5/4
50%
3/6
 35%
3.5/10
35%
3.5/10
45%
4.5/10
 
Ayito 0.2.9942263  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 0.5.8c2255  83%
5/6
 25%
0.5/2
 50%
5/10
 
Exacto 0.e 64-bit2251  42%
2.5/6
70%
7/10
  50%
5/10
 
RattateChess 1.0 Nosferatu2251  75%
4.5/6
45%
4.5/10
 45%
4.5/10
  
Beowulf 2.4a 64-bit2249  42%
2.5/6
55%
5.5/10
55%
5.5/10
   
Mango Paola Ajedrez 4.12247    50%
1/2
40%
4/10
50%
5/10
 
Lozza 1.14a 64-bit2246      39%
3.5/9
19%
1.5/8
Atak 6.82236  67%
4/6
   45%
4.5/10
 
Buzz 0.08 64-bit2229  33%
2/6
50%
5/10
40%
4/10
50%
5/10
  
Dolphin 1.0 64-bit2229  67%
4/6
40%
4/10
35%
3.5/10
 39%
3.5/9
 
RamJet 0.132227  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
   
Robocide 20170718 64-bit2220 62%
5/8
 70%
7/10
   31%
2.5/8
Joker2 0.7.7 64-bit2217 69%
5.5/8
     62%
5/8
Uralochka 1.1b2217   45%
4.5/10
 70%
7/10
70%
7/10
 
CT800 1.12 64-bit2216 62%
2.5/4
 100%
2/2
    
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
ChessKISS 1.7c 64-bit2213    82%
11.5/14
50%
5/10
 50%
9/18
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 3.32210  58%
3.5/6
55%
5.5/10
35%
3.5/10
65%
6.5/10
  
Neurosis 2.32210   45%
4.5/10
55%
5.5/10
   
Napoleon 1.6.0b 64-bit2206      61%
8.5/14
50%
1/2
Baislicka 1.0 64-bit2205 62%
5/8
 67%
4/6
54%
6.5/12
   
Latista (Sinobyl) 1.52204  67%
4/6
75%
7.5/10
45%
4.5/10
30%
3/10
  
ChessAlex 2.0r42203  75%
4.5/6
   80%
8/10
 
Dorpsgek Dillinger 64-bit2194  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-bit2190   65%
6.5/10
 60%
6/10
  
Zevra 1.8.2 r612 64-bit2189 75%
3/4
     50%
2/4
NG-Play 9.87 64-bit2187 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 662177     45%
4.5/10
68%
7.5/11
 
Soldat III 0.187 64-bit2177   17%
1/6
62%
7.5/12
   
Clever Girl r185 64-bit216950%
2/4
75%
3/4
    0%
0/2
70%
7/10
Chesley r323 64-bit2159  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 07.07.222135    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 2.23w2076     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-bit2069      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 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 December 7, 2019