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 110 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+
1Ares 1.005.2.1 64-bit2421+21−2151.0%−7.137.1%765 
55.7%
 Ares 1.005 64-bit2419+18−1847.4%+17.736.0%1008
70.7%
 Ares 1.005.2 64-bit2412+18−1748.2%+12.033.5%1126
95.8%
 Ares GB 64-bit2392+14−1448.1%+11.829.9%1841
57.0%
 Ares GB 1.1 64-bit2390+21−2149.0%+5.929.2%791
88.5%
 Ares 1.0042374+16−1649.4%+2.526.7%1395
100.0%
 Ares 1.003a2306+34−3452.1%−17.229.9%291
97.7%
 Ares 1.02259+30−3046.4%+22.928.0%379
 

Results matrix

Custom engine selection
#NameElo12345678
1Ares 1.005.2.1 64-bit2421   66 − 44
+37−15=58
+29
    
2Ares 1.005 64-bit2419        
3Ares 1.005.2 64-bit2412        
4Ares GB 64-bit239244 − 66
+15−37=58
−29
       
5Ares GB 1.1 64-bit2390        
6Ares 1.0042374        
7Ares 1.003a2306        
8Ares 1.02259        
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
1Ares 1.005.2.1 64-bit2421 55.774.399.298.0100.0100.0100.0
2Ares 1.005 64-bit241944.3 70.798.897.9100.0100.0100.0
3Ares 1.005.2 64-bit241225.729.3 95.894.299.9100.0100.0
4Ares GB 64-bit23920.81.24.2 57.095.5100.0100.0
5Ares GB 1.1 64-bit23902.02.15.843.0 88.5100.0100.0
6Ares 1.00423740.00.00.14.511.5 100.0100.0
7Ares 1.003a23060.00.00.00.00.00.0 97.7
8Ares 1.022590.00.00.00.00.00.02.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Ares 1.005.2.1 64-bit2421 274533722321143420
2Ares 1.005 64-bit2419274 69313823471320
3Ares 1.005.2 64-bit2412533693 268315122670
4Ares GB 64-bit2392722138268 5611016872
5Ares GB 1.1 64-bit2390321234315561 1583620
6Ares 1.004237414371122101158 297140
7Ares 1.003a23064232676836297 195
8Ares 1.022590007220140195 
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
1Ares 1.005.2.1 64-bit2421 15.528.227.720.66.64.00.0
2Ares 1.005 64-bit241915.5 32.54.813.03.02.50.0
3Ares 1.005.2 64-bit241228.232.5 9.016.44.84.70.0
4Ares GB 64-bit239227.74.89.0 21.33.13.23.2
5Ares GB 1.1 64-bit239020.613.016.421.3 7.23.31.7
6Ares 1.00423746.63.04.83.17.2 17.67.9
7Ares 1.003a23064.02.54.73.23.317.6 29.1
8Ares 1.022590.00.00.03.21.77.929.1 
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 165 common opponents

Custom engine selection
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
Donna 4.1 64-bit2585   0%
0/1
0%
0/4
   
GreKo 12.9 64-bit2579 0%
0/2
35%
3.5/10
     
Capivara LK 0.09b02f 64-bit2569 12%
1/8
30%
3/10
     
Jumbo 0.7.0 64-bit2559   12%
0.5/4
33%
4/12
   
Carballo 1.5 64-bit2557 35%
3.5/10
38%
1.5/4
     
Detroid 1.0.1 64-bit2554   18%
2.5/14
38%
3/8
   
Raven 1.0 64-bit255228%
5/18
   25%
1/4
   
FrankWalter 2.4.0 64-bit2542   29%
12/42
12%
0.5/4
   
KnightX 1.98 64-bit2542   50%
2/4
38%
1.5/4
   
AnMon 5.75253919%
1.5/8
 45%
4.5/10
     
Phalanx XXIV2538 58%
3.5/6
42%
2.5/6
     
K2 0.832534 56%
4.5/8
12%
0.5/4
     
nanoSzachy 4.1 64-bit2534 50%
1/2
32%
6.5/20
     
Fridolin 2.00 64-bit2532 33%
6/18
29%
7/24
     
Orion 0.5 64-bit252844%
3.5/8
  30%
14/46
    
Crafty 20.13 32-bit251144%
3.5/8
 40%
4/10
     
Betsabe II 1.7525090%
0/4
50%
5/10
50%
2/4
     
Asymptote 0.3 64-bit250525%
2.5/10
  30%
10/33
    
Pupsi2 0.092500 42%
2.5/6
25%
0.5/2
     
LittleThought 1.052 64-bit2497  25%
0.5/2
 38%
3/8
   
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
Winter 0.1.1 64-bit249725%
1/4
 50%
1/2
     
Delphil 3.2 64-bit2496 25%
2.5/10
40%
4/10
 44%
3.5/8
   
Pepito 1.59.2 64-bit2495 12%
0.5/4
25%
3/12
 50%
4/8
   
MadChess 2.2 64-bit249442%
5/12
 0%
0/2
43%
14.5/34
    
K2 0.752492 50%
2/4
0%
0/1
     
Yace 0.99.872488  0%
0/2
 31%
2.5/8
   
Ghost 2.0.2 64-bit2486 20%
2/10
38%
7.5/20
     
Zurichess Geneva 64-bit248444%
3.5/8
 19%
1.5/8
     
Drosophila 1.5.1 64-bit247950%
2/4
 50%
1/2
38%
17.5/46
    
Jumbo 0.6.35 64-bit247912%
0.5/4
  28%
8.5/30
    
Shield 1.2 64-bit247444%
3.5/8
 25%
1/4
     
Lozza 1.18 64-bit247341%
6.5/16
 50%
1/2
40%
9.5/24
33%
3/9
   
Trace 1.37a247238%
1.5/4
100%
1/1
0%
0/2
     
Jumbo 0.6.31 64-bit247071%
8.5/12
 50%
1/2
     
WyldChess 1.2 64-bit247056%
4.5/8
38%
3/8
      
Quark 2.35246950%
2/4
 50%
1/2
     
Betsabe II 1.66246538%
3/8
40%
4/10
44%
3.5/8
     
Nemeton 1.812465   56%
4.5/8
44%
8/18
   
Carballo 1.22464 67%
4/6
45%
4.5/10
     
Carballo 1.32463 39%
5.5/14
25%
1/4
     
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
Giraffe 20150908 64-bit2462 25%
1/4
45%
10/22
     
Bumblebee 1.0 64-bit246125%
2/8
50%
5/10
30%
1.5/5
     
RubiChess 0.8 64-bit246033%
1/3
 75%
1.5/2
     
Bagatur 1.4d 64-bit2457 35%
3.5/10
38%
1.5/4
     
Orion 0.4 64-bit245250%
4/8
 43%
3/7
     
Bumblebee 1.0.36898e1 64-bit2448 25%
2.5/10
32%
4.5/14
 19%
1.5/8
   
Typhoon 1.00-3482446  50%
5/10
 50%
4/8
   
Abrok 5.0244531%
2.5/8
100%
2/2
      
Hussar 0.42445 100%
1/1
25%
1/4
 0%
0/2
62%
5/8
  
Betsabe II 1.472444 52%
11.5/22
38%
1.5/4
     
Bearded N44.5 64-bit244342%
8.5/20
 60%
3/5
75%
3/4
    
Shallow r694 64-bit2443 30%
3/10
39%
5.5/14
     
Cheese 1.4 32-bit2441  45%
4.5/10
  35%
3.5/10
  
Eeyore 1.52 64-bit2441 25%
1/4
  38%
3/8
38%
9/24
  
K2 0.792441 44%
3.5/8
33%
2/6
     
Zurichess Fribourg 64-bit2441 50%
2/4
40%
4/10
     
Nemeton 1.6244031%
2.5/8
 30%
3/10
     
Tunguska 1.1 64-bit2440   56%
10/18
54%
7.5/14
   
Taltos rev118 64-bit243956%
4.5/8
50%
3/6
 0%
0/4
    
Delphil 2.6b2436  45%
4.5/10
  17%
1/6
  
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
Snitch 1.6.2 64-bit243544%
3.5/8
35%
3.5/10
      
TJchess 1.3 64-bit243546%
5.5/12
 50%
11/22
     
Pedone 0.4 64-bit2427 41%
6.5/16
60%
6/10
     
Bitfoot 1.0.d9aeb43 64-bit2422 40%
9.5/24
88%
3.5/4
     
Cmcchess 2.6 64-bit242150%
6/12
 55%
22/40
75%
1.5/2
    
Kiwi 0.6d 32-bit242144%
3.5/8
    52%
13.5/26
  
K2 0.712419 60%
9/15
50%
5/10
     
PostModernist 1016241852%
10.5/20
75%
1.5/2
  38%
3/8
0%
0/2
  
Hedgehog 2.0 64-bit2415   50%
2/4
40%
15.5/39
   
RomiChess P3n 64-bit241461%
17/28
 43%
6.5/15
49%
25.5/52
43%
3/7
   
Ifrit m1.8 64-bit241362%
5/8
17%
0.5/3
50%
2/4
     
Gaia 3.5 32-bit241262%
5/8
    0%
0/2
  
Queen 4.03241056%
4.5/8
    27%
6.5/24
  
Dragon 4.62406    44%
3.5/8
25%
1/4
  
Amy 0.87b240344%
3.5/8
75%
1.5/2
   100%
2/2
  
Gosu 0.16240331%
2.5/8
 33%
1/3
     
Simplex 0.9.8 64-bit2402 25%
2/8
45%
4.5/10
 58%
7/12
40%
9.5/24
  
Tigran 2.4n 64-bit2401 54%
13/24
55%
5.5/10
     
KnightDreamer 3.32398   25%
1.5/6
38%
1.5/4
   
Myrddin 0.87 64-bit239754%
15/28
46%
6.5/14
50%
12/24
50%
25/50
39%
9/23
 50%
2/4
 
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
Popochin 4.1 64-bit239750%
10/20
62%
5/8
88%
3.5/4
45%
9/20
    
Patzer 3.80239644%
3.5/8
50%
1/2
70%
7/10
 50%
4/8
25%
0.5/2
  
Amateur 2.822395     50%
0.5/1
 17%
2/12
Alex 2.14a 64-bit239450%
4/8
 45%
4.5/10
  42%
10/24
  
Waxman 20142391 52%
11/21
75%
3/4
 38%
3/8
   
Zevra 2.1.2 r248 64-bit2391   54%
6.5/12
42%
8.5/20
   
Sorgenkind 0.42389   47%
14/30
 59%
9.5/16
38%
1.5/4
29%
3.5/12
Googleplex Starthinker 1.6 64-bit2387   56%
27/48
50%
13.5/27
   
Sage 3.532387     36%
2.5/7
30%
1.5/5
 
Horizon 4.42386  50%
0.5/1
  25%
1/4
  
Comet B682384 25%
0.5/2
  50%
4/8
50%
1/2
  
Thor's Hammer 2.28 32-bit238362%
5/8
  50%
1/2
    
Jazz 721 64-bit237762%
5/8
67%
4/6
      
OliThink 5.3.2 64-bit237469%
5.5/8
 62%
2.5/4
     
Isa 2.0.83 64-bit2373   54%
7.5/14
60%
18/30
   
iCE 0.22372 60%
6/10
   58%
3.5/6
  
MadChess 2.0 64-bit2371 60%
6/10
43%
6/14
     
Waxman 2017237175%
3/4
35%
3.5/10
71%
5/7
47%
21.5/46
    
Raven 0.80 64-bit2369   75%
3/4
50%
1/2
   
Alex 2.14a 32-bit2364     44%
7/16
35%
3.5/10
 
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
GreKo 6.52364      0%
0/2
36%
5/14
Isa 2.0.64 64-bit236481%
6.5/8
 83%
2.5/3
55%
29.5/54
44%
3.5/8
   
Plisk 0.2.7d 64-bit236369%
5.5/8
50%
2/4
38%
1.5/4
75%
1.5/2
31%
2.5/8
   
OliThink 5.3.0 32-bit2359     52%
10.5/20
62%
2.5/4
 
Flux 2.2.12358     0%
0/1
25%
0.5/2
 
Barbarossa 0.6.0 64-bit2353   60%
6/10
59%
22/37
   
Tytan 9.32 32-bit2347      75%
1.5/2
50%
1/2
Glass 1.52346     54%
14/26
39%
11/28
 
Arion 1.7234238%
3/8
   56%
4.5/8
50%
3/6
  
Aice 0.99.2234088%
7/8
   88%
7/8
   
Jazz 840 64-bit2340 58%
3.5/6
54%
7.5/14
 75%
3/4
 50%
4/8
 
Rodin 2.3a2340      50%
3/6
34%
11/32
Gibbon 2.60a 64-bit233875%
6/8
75%
12/16
  56%
4.5/8
   
Napoleon 1.8 64-bit2338   88%
10.5/12
75%
6/8
   
Popochin 4.0 64-bit2337  50%
2.5/5
   45%
4.5/10
 
EveAnn 1.71233669%
5.5/8
   50%
4/8
   
Asterisk 0.6233269%
5.5/8
     75%
1.5/2
 
Amundsen 0.80232962%
5/8
  63%
19/30
 58%
14.5/25
25%
1/4
 
FireFly 2.7.2 64-bit232969%
5.5/8
83%
5/6
67%
4/6
25%
2/8
75%
1.5/2
   
Zeus 1.27232462%
5/8
   50%
4/8
   
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
Chezzz 1.0.3232356%
4.5/8
   38%
3/8
50%
0.5/1
75%
1.5/2
 
WChess 1.062322   57%
17/30
   29%
3.5/12
Googleplex Starthinker 1.4 64-bit2321   50%
9/18
69%
5.5/8
   
EveAnn 1.72232075%
6/8
 50%
8.5/17
 67%
4/6
   
Gibbon 2.69a 64-bit2320 58%
7/12
61%
8.5/14
     
EveAnn 1.71a2319 60%
6/10
 88%
3.5/4
    
KnightX 1.92231756%
4.5/8
 83%
2.5/3
  75%
1.5/2
  
Asymptote 0.2.0 64-bit2315   68%
20.5/30
  33%
2/6
 
Averno 0.812315    56%
4.5/8
50%
1.5/3
  
Mediocre 0.42311    75%
6/8
50%
2/4
  
Nemeton 1.22310 75%
1.5/2
    75%
3/4
 
Cheese 1.32309     54%
6.5/12
55%
6/11
50%
1/2
Zeus 1.292304    88%
3.5/4
 25%
0.5/2
50%
1/2
Anechka 0.082302      75%
1.5/2
75%
1.5/2
Joker 1.1.14230281%
6.5/8
     25%
0.5/2
 
Fischerle 0.9.80 SE 64-bit2301 75%
7.5/10
75%
9/12
     
Absolute Zero 2.4.7.2 64-bit229762%
2.5/4
 62%
15/24
67%
20/30
62%
5/8
   
Popochin 3.22297     100%
4/4
50%
5.5/11
 
Fischerle 0.9.70 SE 64-bit2296  50%
5/10
   62%
5/8
 
Invictus r228 64-bit2292   62%
5/8
  75%
4.5/6
 
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
Matilde 2008 64-bit2291 54%
6.5/12
  19%
1.5/8
   
Chaturanga 2.4.32290    81%
6.5/8
66%
10.5/16
  
FireFly 2.7.0 64-bit2288 71%
8.5/12
0%
0/2
     
Butcher 1.60n12285     64%
20.5/32
57%
8/14
53%
9.5/18
Chispa 4.0.32275      100%
2/2
69%
12.5/18
Matilde 2008 32-bit2274      33%
2/6
38%
7.5/20
CeeChess 1.3.2 64-bit2269   75%
3/4
55%
5.5/10
   
AliChess 4.202266      54%
6.5/12
62%
2.5/4
AliChess 4.212259     47%
7.5/16
32%
3.5/11
 
Protej 0.5.8c2257 100%
10/10
75%
1.5/2
     
Waxman 20092254     83%
10/12
70%
16/23
52%
10.5/20
Zevra 1.8.5 r664 64-bit224750%
2/4
   38%
3/8
   
Feuerstein 0.4.6.12239     62%
2.5/4
56%
4.5/8
100%
1/1
RamJet 0.132232  62%
2.5/4
 56%
4.5/8
   
SpaceDog 0.97.7 64-bit2230    58%
3.5/6
  56%
4.5/8
Tiny Chess 1.46 64-bit222338%
1.5/4
  88%
3.5/4
    
Uralochka 1.1b2219      50%
4/8
75%
1.5/2
Gibbon 2.52a2217     62%
2.5/4
 47%
8.5/18
Joker2 0.7.7 64-bit221562%
2.5/4
  72%
21.5/30
    
Neurosis 2.52207     100%
4/4
62%
5/8
75%
1.5/2
NameEloAres
1.005.2.1
64-bit
Ares
1.005
64-bit
Ares
1.005.2
64-bit
Ares
GB
64-bit
Ares
GB
1.1
64-bit
Ares
1.004
Ares
1.003a
Ares
1.0
BlackBishop 1.02203      100%
4/4
100%
1/1
ChessAlex 2.0r42203      88%
3.5/4
100%
2/2
Achillees 1.0 64-bit2199   88%
3.5/4
50%
2/4
   
TJchess 0.1212135      56%
4.5/8
0%
0/2
Abbess 2018.02.072033  100%
1/1
0%
0/1
    
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
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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):
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Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
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Reference rating list:
Recalibrate:
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Created in 2005-2013 by CCRL team
Last games added on May 15, 2021