CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 8 engines!
8 selected engines played 60 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 May 15, 2021 with Bayeselo based on 1'244'261 games
Please refer to the "about" page for comments on engine inclusion

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+
 CT800 1.42 64-bit2452+55−5556.3%−43.728.6%112 
97.3%
1CT800 1.40 64-bit2391+27−2747.8%+15.228.3%460
59.0%
 CT800 1.41 64-bit2387+29−2949.4%+2.525.5%412
100.0%
 CT800 1.34 64-bit2297+20−2048.0%+14.926.1%928
99.0%
 CT800 1.32 64-bit2264+19−1947.1%+21.627.0%963
70.2%
 CT800 1.30 64-bit2257+20−2052.6%−18.422.6%934
99.5%
 CT800 1.12 64-bit2217+22−2253.2%−23.122.1%774
98.8%
 CT800 1.20 64-bit2175+29−2947.2%+18.223.1%432
 

Results matrix

Custom engine selection
#NameElo12345678
1CT800 1.42 64-bit2452        
2CT800 1.40 64-bit2391        
3CT800 1.41 64-bit2387        
4CT800 1.34 64-bit2297        
5CT800 1.32 64-bit2264     31.5 − 28.5
+18−15=27
+9
  
6CT800 1.30 64-bit2257    28.5 − 31.5
+15−18=27
−9
   
7CT800 1.12 64-bit2217        
8CT800 1.20 64-bit2175        
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
1CT800 1.42 64-bit2452 97.397.9100.0100.0100.0100.0100.0
2CT800 1.40 64-bit23912.7 59.0100.0100.0100.0100.0100.0
3CT800 1.41 64-bit23872.141.0 100.0100.0100.0100.0100.0
4CT800 1.34 64-bit22970.00.00.0 99.099.7100.0100.0
5CT800 1.32 64-bit22640.00.00.01.0 70.299.9100.0
6CT800 1.30 64-bit22570.00.00.00.329.8 99.5100.0
7CT800 1.12 64-bit22170.00.00.00.00.10.5 98.8
8CT800 1.20 64-bit21750.00.00.00.00.00.01.2 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1CT800 1.42 64-bit2452 181177690090
2CT800 1.40 64-bit2391181 4312701264606
3CT800 1.41 64-bit2387177431 23312425428
4CT800 1.34 64-bit229769270233 376246235156
5CT800 1.32 64-bit226401212376 493168139
6CT800 1.30 64-bit225706442246493 239322
7CT800 1.12 64-bit221796054235168239 146
8CT800 1.20 64-bit21750628156139322146 
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
1CT800 1.42 64-bit2452 31.633.86.60.00.01.00.0
2CT800 1.40 64-bit239131.6 49.419.50.84.64.90.7
3CT800 1.41 64-bit238733.849.4 17.40.93.14.63.3
4CT800 1.34 64-bit22976.619.517.4 19.913.213.811.5
5CT800 1.32 64-bit22640.00.80.919.9 26.09.710.0
6CT800 1.30 64-bit22570.04.63.113.226.0 14.023.6
7CT800 1.12 64-bit22171.04.94.613.89.714.0 12.1
8CT800 1.20 64-bit21750.00.73.311.510.023.612.1 
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 109 common opponents

Custom engine selection
NameEloCT800
1.42
64-bit
CT800
1.40
64-bit
CT800
1.41
64-bit
CT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Donna 4.1 64-bit2585 50%
2/4
50%
2/4
     
Bagatur 1.5g 64-bit2503 0%
0/10
40%
4/10
     
MadChess 2.2 64-bit2494 35%
3.5/10
25%
2.5/10
     
Arasan 10.2 32-bit2477 50%
5/10
20%
2/10
     
Waxman 2020247438%
1.5/4
 12%
0.5/4
     
Nemeton 1.81246550%
2/4
44%
8/18
43%
6/14
     
Nemeton 1.82460   25%
1/4
24%
8/34
   
Eeyore 1.52 64-bit2441 50%
5/10
35%
3.5/10
     
Teki 2 64-bit2440   12%
0.5/4
 33%
10.5/32
  
Tunguska 1.1 64-bit244012%
0.5/4
62%
10/16
33%
1/3
25%
1/4
    
Taltos rev118 64-bit2439 33%
4/12
   0%
0/2
  
NoC 4.20 64-bit242850%
4/8
48%
10.5/22
27%
3/11
     
Nemeton 1.72420    23%
7.5/32
19%
6/32
  
Gaia 3.5 64-bit2417 30%
3/10
 45%
4.5/10
    
Hedgehog 2.0 64-bit241557%
4/7
58%
3.5/6
69%
5.5/8
     
RomiChess P3n 64-bit2414100%
3/3
 75%
3/4
38%
1.5/4
    
Dragon 4.62406  35%
3.5/10
50%
5/10
    
KnightDreamer 3.32398  50%
2/4
50%
2/4
    
Myrddin 0.87 64-bit239783%
2.5/3
31%
5/16
70%
7/10
38%
1.5/4
  25%
8/32
 
Popochin 4.1 64-bit2397 21%
2.5/12
 30%
3/10
    
NameEloCT800
1.42
64-bit
CT800
1.40
64-bit
CT800
1.41
64-bit
CT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Amateur 2.822395 40%
4/10
 45%
4.5/10
    
Ares GB 64-bit2392   62%
7.5/12
26%
8/31
   
Zevra 2.1.2 r248 64-bit2391 58%
11.5/20
33%
4/12
25%
1.5/6
    
Ares GB 1.1 64-bit239071%
5/7
46%
5.5/12
46%
5.5/12
     
Galjoen 0.39 64-bit2388   25%
1/4
39%
13/33
   
Googleplex Starthinker 1.6 64-bit238770%
3.5/5
40%
4/10
44%
3.5/8
     
Tytan 9.32384 46%
5.5/12
30%
3/10
     
Ceibo 0.6 64-bit238181%
6.5/8
46%
6.5/14
0%
0/1
     
Zevra 2.1.1 r216 64-bit2381   31%
2.5/8
 33%
2/6
  
Jazz 721 64-bit2377 75%
7.5/10
 35%
3.5/10
    
Isa 2.0.83 64-bit237362%
5/8
47%
8.5/18
52%
12/23
50%
2/4
    
Waxman 20172371   12%
0.5/4
38%
12/32
   
Raven 0.80 64-bit2369 36%
5/14
 54%
7.5/14
    
Isa 2.0.64 64-bit2364   44%
3.5/8
25%
8/32
46%
6.5/14
38%
1.5/4
17%
1/6
Plisk 0.2.7d 64-bit2363  45%
4.5/10
35%
3.5/10
  12%
0.5/4
 
Topple 0.1.1 64-bit2361 67%
8/12
75%
7.5/10
  35%
10.5/30
  
Barbarossa 0.6.0 64-bit235345%
5/11
55%
5.5/10
54%
6.5/12
50%
9/18
    
Ceibo 0.5 64-bit2352 50%
2/4
71%
8.5/12
     
Isa 2.1 64-bit2351 50%
2/4
 0%
0/2
 50%
3/6
  
Aice 0.99.22340   45%
4.5/10
   17%
1/6
NameEloCT800
1.42
64-bit
CT800
1.40
64-bit
CT800
1.41
64-bit
CT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Jazz 840 64-bit2340  12%
0.5/4
    39%
12.5/32
Napoleon 1.8 64-bit2338   46%
6.5/14
38%
12/32
   
FoxSEE 5.3 64-bit233162%
2.5/4
 30%
1.5/5
     
Amundsen 0.802329     21%
3/14
 42%
2.5/6
FireFly 2.7.2 64-bit2329 100%
2/2
 56%
10/18
36%
11.5/32
50%
7/14
25%
1/4
17%
1/6
Zeus 1.272324  60%
6/10
40%
4/10
    
Googleplex Starthinker 1.4 64-bit2321   56%
4.5/8
44%
14/32
   
KnightX 1.93 64-bit2321   40%
14.5/36
  40%
4/10
 
EveAnn 1.722320 75%
1.5/2
62%
2.5/4
50%
2/4
53%
19/36
43%
6/14
28%
10/36
 
KnightX 1.922317     29%
4/14
 42%
2.5/6
Asymptote 0.2.0 64-bit2315    17%
0.5/3
31%
2.5/8
  
Averno 0.812315     57%
8/14
 17%
1/6
Ant 2006-F2302   35%
3.5/10
   8%
0.5/6
Fischerle 0.9.80 SE 64-bit2301   42%
5/12
 54%
7.5/14
50%
1.5/3
 
RubiChess 0.7 64-bit2301   50%
5/10
  46%
6.5/14
 
Absolute Zero 2.4.7.2 64-bit2297   50%
2/4
  36%
11.5/32
 
Invictus r228 64-bit2292   52%
12.5/24
46%
21/46
50%
3/6
  
Matilde 2008 64-bit2291  65%
6.5/10
35%
3.5/10
    
Chaturanga 2.4.32290   55%
5.5/10
   42%
2.5/6
Galjoen 0.38 64-bit2284      38%
1.5/4
25%
0.5/2
NameEloCT800
1.42
64-bit
CT800
1.40
64-bit
CT800
1.41
64-bit
CT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
AliChess 4.252283  60%
6/10
    50%
3/6
Kingfisher 1.0 64-bit2281    53%
8.5/16
25%
2.5/10
  
Chispa 4.0.32275   62%
2.5/4
   33%
2/6
Zevra 1.8.6 r672 64-bit2270    49%
18.5/38
 50%
4/8
 
Ayito 0.2.9942269  45%
4.5/10
88%
3.5/4
    
CeeChess 1.3.2 64-bit226975%
3/4
83%
5/6
80%
4/5
0%
0/2
    
Protej 0.5.8c2257     64%
9/14
 50%
3/6
RattateChess 1.0 Nosferatu2254   38%
1.5/4
61%
19.5/32
  25%
1.5/6
Absolute Zero 3.3.2.0 64-bit2253 58%
3.5/6
62%
2.5/4
50%
1/2
    
Exacto 0.e 64-bit2252   88%
3.5/4
   50%
3/6
Zevra 1.8.5 r664 64-bit2247  70%
7/10
65%
6.5/10
    
Mango Paola Ajedrez 4.12246    50%
6/12
  0%
0/6
Weini 0.0.23 64-bit2242   50%
2/4
 53%
23.5/44
  
Zevra 1.8.4 r650 64-bit2236     41%
6.5/16
69%
5.5/8
42%
2.5/6
RamJet 0.132232   50%
2/4
42%
5/12
   
Dolphin 1.0 64-bit2231   38%
1.5/4
61%
19.5/32
   
Atak 6.72230   50%
2/4
50%
6/12
   
SpaceDog 0.97.7 64-bit2230 100%
4/4
100%
2/2
58%
11.5/20
    
Tiny Chess 1.46 64-bit2223   50%
2/4
46%
6/13
50%
1/2
25%
0.5/2
25%
2/8
Robocide 20170718 64-bit2221   88%
3.5/4
  54%
18.5/34
19%
1.5/8
NameEloCT800
1.42
64-bit
CT800
1.40
64-bit
CT800
1.41
64-bit
CT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Beowulf 2.4a 32-bit2219    71%
8.5/12
 58%
18.5/32
 
Joker2 0.7.7 64-bit2215   75%
4.5/6
62%
2.5/4
59%
9.5/16
 58%
3.5/6
OBender 03.2016 64-bit2215      0%
0/2
19%
1.5/8
Adam 3.32211     46%
6.5/14
 58%
3.5/6
Latista (Sinobyl) 1.52206    67%
8/12
68%
9.5/14
 33%
2/6
Baislicka 1.0 64-bit2205   100%
4/4
 43%
6/14
25%
0.5/2
 
Dorpsgek Eve's Temptation 64-bit2200   43%
6/14
 58%
10.5/18
46%
23/50
 
Achillees 1.0 64-bit2199 100%
4/4
 70%
7/10
    
NG-Play 9.87 64-bit2191     50%
1/2
64%
20.5/32
50%
1/2
GopherCheck 0.2.3 64-bit2190    67%
21.5/32
44%
8/18
0%
0/2
33%
2/6
MORA 1.1.02184 100%
4/4
 70%
7/10
    
NG-Play 9.87b 64-bit2182   62%
2.5/4
  50%
1/2
 
Soldat III 0.187 64-bit2178   75%
1.5/2
 62%
2.5/4
50%
1/2
 
Asymptote 0.1.8 64-bit2177    71%
8.5/12
68%
27/40
  
Clever Girl r185 64-bit2171   54%
6.5/12
 62%
2.5/4
50%
3/6
0%
0/2
RamJet 0.142169   75%
1.5/2
 75%
3/4
59%
19.5/33
25%
0.5/2
Micah 1.0 64-bit2162 100%
4/4
 69%
11/16
    
Blitzkrieg rev337 64-bit2142     75%
1.5/2
75%
1.5/2
68%
9.5/14
Parrot 07.07.222136     71%
10/14
 75%
9/12
Barbarossa 0.4.0 64-bit2134     62%
2.5/4
51%
18.5/36
100%
2/2
NameEloCT800
1.42
64-bit
CT800
1.40
64-bit
CT800
1.41
64-bit
CT800
1.34
64-bit
CT800
1.32
64-bit
CT800
1.30
64-bit
CT800
1.12
64-bit
CT800
1.20
64-bit
Tunguska 1.0 64-bit2130     50%
2/4
67%
4/6
75%
1.5/2
Embla 2.0.5 64-bit2122   75%
3/4
65%
22/34
   
Embla 1.0.2 64-bit2111     56%
9/16
 62%
5/8
Prophet3 20170909 64-bit2101     100%
4/4
67%
4/6
25%
0.5/2
Hedgehog 1.81 64-bit2090     75%
10.5/14
 60%
6/10
Cinnamon 2.0 64-bit2036      62%
2.5/4
100%
2/2
Abbess 2018.02.072033     75%
1.5/2
 50%
1/2
Wuttang r2 64-bit2026      50%
2/4
100%
2/2
Abbess 2016.12.112019      25%
1/4
58%
3.5/6
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
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 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 May 15, 2021