CCRL 40/15
Downloads and Statistics
August 8, 2020
Testing summary:
Total: 1'167'960 games
played by 2'693 programs

White wins: 402'856 (34.5%)
Black wins: 297'658 (25.5%)
Draws: 467'446 (40.0%)
White score: 54.5%

Custom engine selection

Comparing 10 engines!
10 selected engines played 0 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 August 8, 2020 with Bayeselo based on 1'167'960 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+
1FireFly 2.7.2 64-bit2329+16−1647.2%+18.930.0%1406 
100.0%
 FireFly 2.7.0 64-bit2288+17−1750.5%−5.529.2%1230
99.8%
 FireFly 2.6.0 64-bit2234+33−3351.3%−11.923.1%342
72.4%
 FireFly 2.5.12 64-bit2219+37−3752.1%−16.922.3%264
64.6%
 FireFly 2.5.13 64-bit2209+34−3450.0%−7.128.7%303
79.1%
 FireFly 2.5.13 32-bit2189+34−3451.0%−8.222.9%306
63.1%
 FireFly 2.5.102181+34−3449.5%+3.823.5%302
87.9%
 FireFly 2.5.8 32-bit2152+34−3447.1%+20.423.4%308
99.9%
 FireFly 2.5.6 32-bit2089+22−2346.8%+20.624.1%722
75.5%
 FireFly 2.5.42074+33−3447.9%+13.320.8%331
 

Results matrix

Custom engine selection
#NameElo12345678910
1FireFly 2.7.2 64-bit2329          
2FireFly 2.7.0 64-bit2288          
3FireFly 2.6.0 64-bit2234          
4FireFly 2.5.12 64-bit2219          
5FireFly 2.5.13 64-bit2209          
6FireFly 2.5.13 32-bit2189          
7FireFly 2.5.102181          
8FireFly 2.5.8 32-bit2152          
9FireFly 2.5.6 32-bit2089          
10FireFly 2.5.42074          
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
#NameElo12345678910
1FireFly 2.7.2 64-bit2329 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2FireFly 2.7.0 64-bit22880.0 99.8100.0100.0100.0100.0100.0100.0100.0
3FireFly 2.6.0 64-bit22340.00.2 72.484.796.698.5100.0100.0100.0
4FireFly 2.5.12 64-bit22190.00.027.6 64.687.593.099.5100.0100.0
5FireFly 2.5.13 64-bit22090.00.015.335.4 79.187.499.0100.0100.0
6FireFly 2.5.13 32-bit21890.00.03.412.520.9 63.193.3100.0100.0
7FireFly 2.5.1021810.00.01.57.012.636.9 87.9100.0100.0
8FireFly 2.5.8 32-bit21520.00.00.00.51.06.712.1 99.999.9
9FireFly 2.5.6 32-bit20890.00.00.00.00.00.00.00.1 75.5
10FireFly 2.5.420740.00.00.00.00.00.00.00.124.5 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1FireFly 2.7.2 64-bit2329 39242080584275016
2FireFly 2.7.0 64-bit2288392 3526191695924320
3FireFly 2.6.0 64-bit223442352 027312081212
4FireFly 2.5.12 64-bit2219060 1149072801160
5FireFly 2.5.13 64-bit220980191273114 132445460
6FireFly 2.5.13 32-bit218958691290132 24216816212
7FireFly 2.5.102181425907244242 22324366
8FireFly 2.5.8 32-bit2152752488054168223 24754
9FireFly 2.5.6 32-bit208903121166162243247 331
10FireFly 2.5.4207416201200126654331 
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
#NameElo12345678910
1FireFly 2.7.2 64-bit2329 14.92.40.04.73.42.54.40.00.9
2FireFly 2.7.0 64-bit228814.9 22.40.412.54.53.91.60.21.3
3FireFly 2.6.0 64-bit22342.422.4 0.042.31.90.01.21.11.8
4FireFly 2.5.12 64-bit22190.00.40.0 20.115.812.714.011.80.0
5FireFly 2.5.13 64-bit22094.712.542.320.1 21.77.38.80.60.0
6FireFly 2.5.13 32-bit21893.44.51.915.821.7 39.827.415.81.9
7FireFly 2.5.1021812.53.90.012.77.339.8 36.623.710.4
8FireFly 2.5.8 32-bit21524.41.61.214.08.827.436.6 24.08.5
9FireFly 2.5.6 32-bit20890.00.21.111.80.615.823.724.0 31.4
10FireFly 2.5.420740.91.31.80.00.01.910.48.531.4 
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 146 common opponents

Custom engine selection
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
Abrok 5.0244533%
2/6
25%
0.5/2
        
Snitch 1.6.2 64-bit243442%
2.5/6
0%
0/2
        
Cmcchess 2.6 64-bit242150%
3/6
100%
2/2
        
PostModernist 1016242025%
1.5/6
50%
1/2
        
Ares 1.005 64-bit241917%
1/6
29%
3.5/12
        
Gaia 3.5 64-bit241767%
4/6
25%
0.5/2
        
Shallow r688 64-bit2413 33%
2/6
25%
2.5/10
       
Ares 1.005.2 64-bit241233%
2/6
100%
2/2
        
Tigran 2.4n 64-bit2401 36%
5/14
38%
1.5/4
       
Myrddin 0.87 64-bit239550%
1.5/3
44%
3.5/8
        
Jazz 721 64-bit2379 31%
2.5/8
45%
4.5/10
       
TJchess 1.1 64-bit2365 0%
0/2
  25%
1/4
     
Plisk 0.2.7d 64-bit236362%
10.5/17
38%
1.5/4
        
Myrddin 0.86 64-bit2360 50%
4/8
  38%
1.5/4
     
Maverick 0.51 64-bit2342 32%
4.5/14
62%
2.5/4
       
Aice 0.99.2233850%
3/6
      75%
1.5/2
  
EveAnn 1.712336 25%
2/8
20%
2/10
       
Bagatur 1.3a 64-bit2327 38%
6/16
54%
6.5/12
 25%
0.5/2
     
EveAnn 1.672320    6%
0.5/8
62%
2.5/4
    
EveAnn 1.72232053%
20.5/39
34%
5.5/16
        
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
Gibbon 2.69a 64-bit232062%
2.5/4
50%
9/18
        
ECE 12.012319  50%
1.5/3
 25%
0.5/2
     
Waxman 20132314 29%
3.5/12
44%
3.5/8
       
Capivara LK 0.09a01a 64-bit2308 38%
3/8
50%
4/8
 35%
3.5/10
     
Waxman 20112305  44%
3.5/8
 0%
0/4
     
Ant 2006-F230355%
5.5/10
    50%
1/2
    
Anechka 0.082302 0%
0/2
   0%
0/2
 50%
1/2
  
Joker 1.1.14230255%
5.5/10
57%
4/7
        
Fischerle 0.9.80 SE 64-bit230150%
2.5/5
53%
9/17
        
Natwarlal 0.14230067%
4/6
      0%
0/2
  
Popochin 3.22297 50%
1/2
   25%
0.5/2
 50%
1/2
  
Absolute Zero 2.4.7.2 64-bit229665%
13/20
41%
4.5/11
        
Fischerle 0.9.70 SE 64-bit2296 58%
3.5/6
  62%
5/8
     
Mediocre 0.52294 30%
3/10
44%
3.5/8
 75%
3/4
     
Chaturanga 2.4.3229075%
4.5/6
    50%
1/2
50%
1/2
17%
0.5/3
  
Bearded N44.2 64-bit2287 67%
8/12
  55%
5.5/10
     
Butcher 1.61 32-bit2286     38%
1.5/4
0%
0/4
   
Rhetoric Lite2286  25%
1/4
 0%
0/2
     
Galjoen 0.38 64-bit228458%
7/12
      25%
1/4
  
AliChess 4.252282    38%
1.5/4
25%
1.5/6
 25%
0.5/2
  
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
Butcher 1.64 64-bit228262%
5/8
42%
2.5/6
41%
6.5/16
 56%
4.5/8
     
Gibbon 2.57a 64-bit2273 62%
2.5/4
42%
10/24
 50%
3/6
     
Isa 2.0.48 64-bit227161%
8.5/14
50%
0.5/1
        
Ayito 0.2.994226525%
1.5/6
50%
1/2
     0%
0/2
  
Tigran 2.3 64-bit2262  39%
3.5/9
 38%
3/8
     
Isa 2.0.45 64-bit226183%
5/6
71%
8.5/12
        
Sungorus 1.4 32-bit2260     50%
2/4
30%
3/10
100%
2/2
  
CT800 1.30 64-bit225750%
7/14
   50%
7/14
     
RattateChess 1.0 Nosferatu225483%
5/6
50%
1/2
   44%
3.5/8
25%
1/4
   
Exacto 0.e 64-bit225258%
3.5/6
51%
23/45
        
Beowulf 2.4a 64-bit225067%
4/6
50%
4/8
  50%
1/2
     
Lozza 1.14a 64-bit2247 80%
4/5
  45%
4.5/10
     
Mango Paola Ajedrez 4.12246 60%
14.5/24
75%
3/4
       
Absolute Zero 2.4.0.0 64-bit2244 56%
18/32
38%
1.5/4
       
Atak 6.82239   62%
15/24
75%
3/4
46%
5.5/12
50%
2/4
100%
2/2
  
Feuerstein 0.4.6.12239        20%
1/5
10%
1/10
Buzz 0.08 64-bit223542%
2.5/6
50%
1/2
        
RamJet 0.13223450%
3/6
30%
3/10
       40%
4/10
Dolphin 1.0 64-bit223183%
5/6
   42%
2.5/6
60%
6/10
50%
1/2
25%
0.5/2
  
Mango Paola Ajedrez 1.02227 50%
4/8
36%
5/14
       
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
Hussar 0.22225       42%
5/12
50%
1/2
 
Tiny Chess 1.46 64-bit222585%
8.5/10
50%
1/2
        
Vajolet 1.62.12223  25%
1/4
 55%
5.5/10
     
Robocide 20170718 64-bit222269%
11/16
100%
1/1
        
Myrddin 0.85 64-bit2220   44%
10.5/24
33%
4/12
     
Beowulf 2.4a 32-bit2218     42%
5/12
25%
1.5/6
38%
1.5/4
12%
0.5/4
 
Gibbon 2.52a2218     0%
0/2
 50%
2/4
31%
5/16
 
CT800 1.12 64-bit221775%
3/4
56%
18/32
        
ChessKISS 1.7c 64-bit2215 70%
7/10
    35%
3.5/10
   
Joker2 0.7.7 64-bit221562%
7.5/12
     12%
1/8
   
MadChess 1.3 64-bit2215 62%
2.5/4
44%
3.5/8
       
Neurosis 2.3221567%
4/6
31%
2.5/8
        
OBender 03.2016 64-bit221567%
4/6
50%
3/6
   50%
5/10
    
Adam 3.32212 100%
2/2
 38%
9/24
58%
7/12
40%
4/10
58%
3.5/6
8%
0.5/6
  
ChessKISS 1.7 64-bit221058%
3.5/6
88%
3.5/4
67%
16/24
 36%
6.5/18
     
Myrddin 0.85 32-bit2207     55%
5.5/10
67%
8/12
   
Neurosis 2.52207   50%
12/24
    39%
8.5/22
 
BlackBishop 1.02203      50%
1/2
50%
2.5/5
27%
6.5/24
 
Dorpsgek Eve's Temptation 64-bit220175%
3/4
64%
32/50
        
Carballo 0.82196 100%
8/8
66%
10.5/16
 55%
5.5/10
     
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
Jazz 444 32-bit2196     50%
2/4
31%
2.5/8
17%
0.5/3
  
Dorpsgek Dillinger 64-bit2195 70%
15.5/22
   55%
5.5/10
    
OBender 3.2.4.22193   54%
13/24
    44%
3.5/8
 
GopherCheck 0.2.3 64-bit2192 75%
1.5/2
     35%
3.5/10
  
NG-Play 9.85 64-bit219292%
5.5/6
100%
2/2
        
Zevra 1.8.2 r612 64-bit219081%
6.5/8
      25%
1/4
  
Mediocre 0.342188        25%
3/12
42%
5/12
NagaSkaki 5.122187      62%
2.5/4
 50%
5/10
 
Shallow 1.0 64-bit2187  54%
6.5/12
 57%
12/21
     
Fischerle 0.9.30b 64-bit2185 83%
10/12
50%
11/22
       
KMTChess 1.2.1 32-bit2183     50%
6/12
62%
7.5/12
 36%
6.5/18
 
Atak 6.52182        100%
1/1
0%
0/4
ECE 11.012181   46%
11/24
  65%
6.5/10
8%
0.5/6
25%
0.5/2
 
Lime 662181        27%
8.5/32
35%
3.5/10
Hamsters 0.0.62179       45%
4.5/10
50%
1/2
 
RedQueen 0.62178       60%
6/10
50%
6/12
 
Sjakk 1.1.72175      75%
1.5/2
33%
1/3
  
Sungorus 1.22174      50%
5/10
 60%
3/5
 
Clever Girl r185 64-bit217275%
10.5/14
      67%
4/6
  
Pawny 0.132171      70%
7/10
45%
4.5/10
12%
0.5/4
 
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
RamJet 0.14217062%
2.5/4
69%
23.5/34
        
Kurt 0.9.2.2 64-bit2167   69%
16.5/24
50%
5/10
     
Simplex 0.9.3 32-bit2165      35%
3.5/10
 50%
7/14
 
ProChess 1.02AD2164 46%
5.5/12
67%
16/24
 50%
1/2
     
Betsabe II 1.052160      75%
3/4
50%
5/10
  
Chesley r323 32-bit2155     62%
12.5/20
56%
4.5/8
83%
2.5/3
  
KnockOut 0.7.12154   58%
14/24
 38%
3/8
38%
1.5/4
46%
6.5/14
31%
5/16
 
Dorpsgek Cosmopolitan 2 64-bit2153 50%
2/4
    65%
6.5/10
   
Ifrit j4.32151      35%
3.5/10
42%
2.5/6
  
GopherCheck 0.2.2 64-bit2142     75%
3/4
88%
3.5/4
   
Waxman 20082141      85%
8.5/10
40%
4/10
44%
7/16
50%
4/8
Prophet 2.0 32-bit2138      50%
1/2
62%
2.5/4
12%
0.5/4
54%
6.5/12
Parrot 07.07.222137      50%
1/2
 50%
1/2
32%
4.5/14
Napoleon 1.7 64-bit2135 62%
2.5/4
    50%
10/20
   
TJchess 0.1212135       100%
4/4
33%
18/54
 
Bearded 06_29_022132     75%
3/4
25%
0.5/2
25%
1/4
53%
10/19
 
Clarabit 1.00 32-bit2117      75%
1.5/2
 58%
7/12
 
Kurt 0.9.2 32-bit2115     50%
4/8
50%
4/8
63%
9.5/15
67%
4/6
 
MadChess 1.2 64-bit2113  42%
5/12
 65%
6.5/10
     
Myrddin 0.84 32-bit2112      55%
5.5/10
 100%
2/2
 
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
Napoleon 1.4.0 64-bit2111 62%
5/8
  33%
2/6
     
Adam 3.12110        42%
2.5/6
48%
11.5/24
Prophet3 20170909 64-bit210175%
3/4
100%
2/2
        
Carballo 0.52098    50%
1/2
81%
6.5/8
50%
2/4
62%
2.5/4
41%
6.5/16
 
BikJump 2.01 32-bit2085     25%
0.5/2
50%
1/2
 34%
11.5/34
62%
2.5/4
Ifrit j2.92081      55%
5.5/10
 88%
3.5/4
65%
13/20
BigLion 2.23x2068  50%
2/4
  75%
1.5/2
 62%
2.5/4
50%
22/44
61%
14/23
Protej 0.5.72055 100%
1/1
   50%
1/2
25%
0.5/2
 50%
7/14
 
Rhetoric 0.10.d2051    80%
8/10
75%
4.5/6
    
PLP 16615712049     50%
1/2
100%
2/2
 50%
2/4
 
Jabba 1.0 32-bit2045      100%
2/2
62%
2.5/4
58%
7/12
 
Mustang 4.972045        38%
1.5/4
50%
2/4
Matheus 2.32043       75%
3/4
58%
18.5/32
45%
4.5/10
ChessMind 0.822032       50%
2/4
50%
1/2
 
Slibo 0.5.12026     92%
5.5/6
  85%
8.5/10
 
Bubble 1.52012    75%
6/8
50%
3/6
100%
2/2
75%
3/4
  
AdroitChess 0.31984    88%
3.5/4
75%
3/4
    
Heracles 0.6.161984        54%
6.5/12
75%
3/4
Rival 1.181976        88%
3.5/4
56%
4.5/8
Dabbaba 5.671966    75%
1.5/2
100%
2/2
    
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.12
64-bit
FireFly
2.5.13
64-bit
FireFly
2.5.13
32-bit
FireFly
2.5.10
FireFly
2.5.8
32-bit
FireFly
2.5.6
32-bit
FireFly
2.5.4
BSC 3.9++ 32-bit1961    100%
2/2
100%
4/4
    
Soldat III 0.172 32-bit1950  88%
7/8
 50%
1/2
     
ECE 0.31916        75%
6/8
31%
2.5/8
Clueless 1.41913        75%
3/4
78%
14/18
Jabba 130320121907  100%
4/4
 100%
4/4
50%
1/2
    
Surprise 4.3b131895        50%
3/6
64%
9/14
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:
  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 August 8, 2020