CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
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 March 6, 2021 with Bayeselo based on 1'223'030 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+
1CT800 1.40 64-bit2393+28−2847.9%+14.428.0%446 
51.1%
 CT800 1.42 64-bit2391+120−11952.3%−10.831.8%22
52.1%
 CT800 1.41 64-bit2388+29−2949.5%+1.625.7%409
100.0%
 CT800 1.34 64-bit2297+20−2048.0%+15.226.1%928
99.0%
 CT800 1.32 64-bit2265+19−1947.1%+20.827.0%963
70.5%
 CT800 1.30 64-bit2257+20−2052.6%−18.222.6%934
99.6%
 CT800 1.12 64-bit2217+22−2253.2%−23.122.1%774
98.7%
 CT800 1.20 64-bit2176+29−2947.2%+17.423.1%432
 

Results matrix

Custom engine selection
#NameElo12345678
1CT800 1.40 64-bit2393        
2CT800 1.42 64-bit2391        
3CT800 1.41 64-bit2388        
4CT800 1.34 64-bit2297        
5CT800 1.32 64-bit2265     31.5 − 28.5
+18−15=27
+8
  
6CT800 1.30 64-bit2257    28.5 − 31.5
+15−18=27
−8
   
7CT800 1.12 64-bit2217        
8CT800 1.20 64-bit2176        
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 1.40 64-bit2393 51.159.8100.0100.0100.0100.0100.0
2CT800 1.42 64-bit239148.9 52.193.698.098.599.7100.0
3CT800 1.41 64-bit238840.247.9 100.0100.0100.0100.0100.0
4CT800 1.34 64-bit22970.06.40.0 99.099.7100.0100.0
5CT800 1.32 64-bit22650.02.00.01.0 70.599.9100.0
6CT800 1.30 64-bit22570.01.50.00.329.5 99.6100.0
7CT800 1.12 64-bit22170.00.20.00.00.10.4 98.7
8CT800 1.20 64-bit21760.00.00.00.00.00.01.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1CT800 1.40 64-bit2393 424232701264606
2CT800 1.42 64-bit239142 56220000
3CT800 1.41 64-bit238842356 23312425428
4CT800 1.34 64-bit229727022233 376246235156
5CT800 1.32 64-bit226512012376 493168139
6CT800 1.30 64-bit225764042246493 239322
7CT800 1.12 64-bit221760054235168239 146
8CT800 1.20 64-bit21766028156139322146 
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 1.40 64-bit2393 9.049.519.70.94.64.90.7
2CT800 1.42 64-bit23919.0 13.02.30.00.00.00.0
3CT800 1.41 64-bit238849.513.0 17.40.93.14.63.3
4CT800 1.34 64-bit229719.72.317.4 19.913.213.811.5
5CT800 1.32 64-bit22650.90.00.919.9 26.09.710.0
6CT800 1.30 64-bit22574.60.03.113.226.0 14.023.6
7CT800 1.12 64-bit22174.90.04.613.89.714.0 12.1
8CT800 1.20 64-bit21760.70.03.311.510.023.612.1 
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
1.40
64-bit
CT800
1.42
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-bit258750%
2/4
 50%
2/4
     
Bagatur 1.5g 64-bit25020%
0/10
 40%
4/10
     
MadChess 2.2 64-bit249435%
3.5/10
 25%
2.5/10
     
Arasan 10.2 32-bit248050%
5/10
 20%
2/10
     
Waxman 20202467 50%
1/2
12%
0.5/4
     
Nemeton 1.81246444%
8/18
75%
1.5/2
43%
6/14
     
Nemeton 1.82460   25%
1/4
24%
8/34
   
Eeyore 1.52 64-bit244250%
5/10
 35%
3.5/10
     
Teki 2 64-bit2440   12%
0.5/4
 33%
10.5/32
  
Taltos rev118 64-bit243933%
4/12
    0%
0/2
  
Tunguska 1.1 64-bit243962%
10/16
25%
0.5/2
33%
1/3
25%
1/4
    
NoC 4.20 64-bit242648%
10.5/22
0%
0/2
30%
3/10
     
Nemeton 1.72420    23%
7.5/32
19%
6/32
  
Gaia 3.5 64-bit241730%
3/10
  45%
4.5/10
    
RomiChess P3n 64-bit2415  75%
3/4
38%
1.5/4
    
Hedgehog 2.0 64-bit241358%
3.5/6
 69%
5.5/8
     
Dragon 4.62406  35%
3.5/10
50%
5/10
    
KnightDreamer 3.32398  50%
2/4
50%
2/4
    
Myrddin 0.87 64-bit239731%
5/16
 70%
7/10
38%
1.5/4
  25%
8/32
 
Popochin 4.1 64-bit239721%
2.5/12
  30%
3/10
    
NameEloCT800
1.40
64-bit
CT800
1.42
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 2.82239640%
4/10
  45%
4.5/10
    
Ares GB 64-bit2392   62%
7.5/12
26%
8/31
   
Zevra 2.1.2 r248 64-bit239158%
11.5/20
 33%
4/12
25%
1.5/6
    
Ares GB 1.1 64-bit238946%
5.5/12
 46%
5.5/12
     
Galjoen 0.39 64-bit2388   25%
1/4
39%
13/33
   
Googleplex Starthinker 1.6 64-bit238540%
4/10
75%
1.5/2
44%
3.5/8
     
Tytan 9.3238446%
5.5/12
 30%
3/10
     
Isa 2.0.83 64-bit238347%
8.5/18
25%
0.5/2
55%
12/22
50%
2/4
    
Zevra 2.1.1 r216 64-bit2381   31%
2.5/8
 33%
2/6
  
Jazz 721 64-bit237975%
7.5/10
  35%
3.5/10
    
Waxman 20172371   12%
0.5/4
38%
12/32
   
Raven 0.80 64-bit236936%
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
 
Ceibo 0.6 64-bit2362 75%
1.5/2
0%
0/1
     
Topple 0.1.1 64-bit236067%
8/12
 75%
7.5/10
  35%
10.5/30
  
Barbarossa 0.6.0 64-bit235455%
5.5/10
25%
0.5/2
54%
6.5/12
50%
9/18
    
Ceibo 0.5 64-bit235350%
2/4
 71%
8.5/12
     
Isa 2.1 64-bit235250%
2/4
  0%
0/2
 50%
3/6
  
Jazz 840 64-bit2341  12%
0.5/4
    39%
12.5/32
NameEloCT800
1.40
64-bit
CT800
1.42
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
Napoleon 1.8 64-bit2339   46%
6.5/14
38%
12/32
   
Aice 0.99.22338   45%
4.5/10
   17%
1/6
Amundsen 0.802329     21%
3/14
 42%
2.5/6
FireFly 2.7.2 64-bit2329100%
2/2
  56%
10/18
36%
11.5/32
50%
7/14
25%
1/4
17%
1/6
Zeus 1.272326  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 1.72232075%
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
RubiChess 0.7 64-bit2302   50%
5/10
  46%
6.5/14
 
Fischerle 0.9.80 SE 64-bit2301   42%
5/12
 54%
7.5/14
50%
1.5/3
 
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
  
Chaturanga 2.4.32290   55%
5.5/10
   42%
2.5/6
Matilde 2008 64-bit2290  65%
6.5/10
35%
3.5/10
    
Galjoen 0.38 64-bit2284      38%
1.5/4
25%
0.5/2
AliChess 4.252283  60%
6/10
    50%
3/6
NameEloCT800
1.40
64-bit
CT800
1.42
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
FoxSEE 5.3 64-bit2281 75%
1.5/2
30%
1.5/5
     
Kingfisher 1.0 64-bit2281    53%
8.5/16
25%
2.5/10
  
Chispa 4.0.32275   62%
2.5/4
   33%
2/6
CeeChess 1.3.2 64-bit227083%
5/6
50%
1/2
75%
3/4
0%
0/2
    
Zevra 1.8.6 r672 64-bit2270    49%
18.5/38
 50%
4/8
 
Ayito 0.2.9942268  45%
4.5/10
88%
3.5/4
    
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-bit225358%
3.5/6
 62%
2.5/4
50%
1/2
    
Exacto 0.e 64-bit2253   88%
3.5/4
   50%
3/6
Zevra 1.8.5 r664 64-bit2249  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
  
RamJet 0.132236   50%
2/4
42%
5/12
   
Zevra 1.8.4 r650 64-bit2236     41%
6.5/16
69%
5.5/8
42%
2.5/6
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-bit2230100%
4/4
 100%
2/2
58%
11.5/20
    
Tiny Chess 1.46 64-bit2225   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
1.40
64-bit
CT800
1.42
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 3.32212     46%
6.5/14
 58%
3.5/6
Latista (Sinobyl) 1.52207    67%
8/12
68%
9.5/14
 33%
2/6
Baislicka 1.0 64-bit2206   100%
4/4
 43%
6/14
25%
0.5/2
 
Achillees 1.0 64-bit2200100%
4/4
  70%
7/10
    
Dorpsgek Eve's Temptation 64-bit2200   43%
6/14
 58%
10.5/18
46%
23/50
 
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 1.1.02184100%
4/4
  70%
7/10
    
NG-Play 9.87b 64-bit2183   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 0.142170   75%
1.5/2
 75%
3/4
59%
19.5/33
25%
0.5/2
Micah 1.0 64-bit2163100%
4/4
  69%
11/16
    
Blitzkrieg rev337 64-bit2142     75%
1.5/2
75%
1.5/2
68%
9.5/14
Parrot 07.07.222137     71%
10/14
 75%
9/12
Barbarossa 0.4.0 64-bit2134     62%
2.5/4
51%
18.5/36
100%
2/2
NameEloCT800
1.40
64-bit
CT800
1.42
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 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 March 6, 2021