CCRL 40/15
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 1'237'141 games
played by 2'823 programs

White wins: 424'144 (34.3%)
Black wins: 311'632 (25.2%)
Draws: 501'365 (40.5%)
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 April 17, 2021 with Bayeselo based on 1'237'141 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%−7.437.1%765 
55.6%
 Ares 1.005 64-bit2419+18−1847.4%+17.336.0%1008
70.7%
 Ares 1.005.2 64-bit2412+18−1748.2%+11.633.5%1126
95.9%
 Ares GB 64-bit2392+14−1448.1%+11.529.9%1841
57.6%
 Ares GB 1.1 64-bit2389+22−2249.3%+3.828.3%720
87.4%
 Ares 1.0042373+16−1649.4%+3.026.7%1395
100.0%
 Ares 1.003a2305+34−3452.1%−16.729.9%291
97.7%
 Ares 1.02259+30−3046.4%+22.628.0%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-bit2389        
6Ares 1.0042373        
7Ares 1.003a2305        
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 55.674.399.297.9100.0100.0100.0
2Ares 1.005 64-bit241944.4 70.798.897.7100.0100.0100.0
3Ares 1.005.2 64-bit241225.729.3 95.994.099.9100.0100.0
4Ares GB 64-bit23920.81.24.1 57.695.5100.0100.0
5Ares GB 1.1 64-bit23892.12.36.042.4 87.4100.0100.0
6Ares 1.00423730.00.00.14.512.6 100.0100.0
7Ares 1.003a23050.00.00.00.00.00.0 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 274533722309143420
2Ares 1.005 64-bit2419274 69313823171320
3Ares 1.005.2 64-bit2412533693 268303122670
4Ares GB 64-bit2392722138268 5401016872
5Ares GB 1.1 64-bit2389309231303540 1583620
6Ares 1.004237314371122101158 297140
7Ares 1.003a23054232676836297 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 15.528.227.720.86.64.00.0
2Ares 1.005 64-bit241915.5 32.54.813.43.02.50.0
3Ares 1.005.2 64-bit241228.232.5 9.016.44.84.70.0
4Ares GB 64-bit239227.74.89.0 21.13.13.23.2
5Ares GB 1.1 64-bit238920.813.416.421.1 7.53.61.8
6Ares 1.00423736.63.04.83.17.5 17.67.9
7Ares 1.003a23054.02.54.73.23.617.6 29.1
8Ares 1.022590.00.00.03.21.87.929.1 
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-bit2584   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-bit2556   18%
2.5/14
38%
3/8
   
Raven 1.0 64-bit255228%
5/18
   25%
1/4
   
KnightX 1.98 64-bit2542   50%
2/4
38%
1.5/4
   
FrankWalter 2.4.0 64-bit2540   29%
12/42
12%
0.5/4
   
AnMon 5.75253819%
1.5/8
 45%
4.5/10
     
Phalanx XXIV2537 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-bit2531 33%
6/18
29%
7/24
     
Orion 0.5 64-bit252744%
3.5/8
  30%
14/46
    
Crafty 20.13 32-bit251044%
3.5/8
 40%
4/10
     
Betsabe II 1.7525080%
0/4
50%
5/10
50%
2/4
     
Asymptote 0.3 64-bit250525%
2.5/10
  30%
10/33
    
Pupsi2 0.092499 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
Delphil 3.2 64-bit2496 25%
2.5/10
40%
4/10
 44%
3.5/8
   
Winter 0.1.1 64-bit249625%
1/4
 50%
1/2
     
Pepito 1.59.2 64-bit2495 12%
0.5/4
25%
3/12
 50%
4/8
   
MadChess 2.2 64-bit249342%
5/12
 0%
0/2
43%
14.5/34
    
K2 0.752492 50%
2/4
0%
0/1
     
Yace 0.99.872487  0%
0/2
 31%
2.5/8
   
Ghost 2.0.2 64-bit2485 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-bit247241%
6.5/16
 50%
1/2
40%
9.5/24
33%
3/9
   
Trace 1.37a247138%
1.5/4
100%
1/1
0%
0/2
     
Jumbo 0.6.31 64-bit247071%
8.5/12
 50%
1/2
     
Quark 2.35246950%
2/4
 50%
1/2
     
WyldChess 1.2 64-bit246956%
4.5/8
38%
3/8
      
Bumblebee 1.0 64-bit246525%
2/8
50%
5/10
30%
1.5/5
     
Betsabe II 1.66246438%
3/8
40%
4/10
44%
3.5/8
     
Carballo 1.22464 67%
4/6
45%
4.5/10
     
Nemeton 1.812464   56%
4.5/8
44%
8/18
   
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
Carballo 1.32463 39%
5.5/14
25%
1/4
     
Giraffe 20150908 64-bit2462 25%
1/4
45%
10/22
     
RubiChess 0.8 64-bit245933%
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-bit2447 25%
2.5/10
32%
4.5/14
 19%
1.5/8
   
Abrok 5.0244531%
2.5/8
100%
2/2
      
Hussar 0.42444 100%
1/1
25%
1/4
 0%
0/2
62%
5/8
  
Typhoon 1.00-3482444  50%
5/10
 50%
4/8
   
Betsabe II 1.472443 52%
11.5/22
38%
1.5/4
     
Shallow r694 64-bit2442 30%
3/10
39%
5.5/14
     
Bearded N44.5 64-bit244142%
8.5/20
 60%
3/5
75%
3/4
    
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
  
Zurichess Fribourg 64-bit2441 50%
2/4
40%
4/10
     
K2 0.792440 44%
3.5/8
33%
2/6
     
Nemeton 1.6243931%
2.5/8
 30%
3/10
     
Taltos rev118 64-bit243856%
4.5/8
50%
3/6
 0%
0/4
    
Tunguska 1.1 64-bit2438   56%
10/18
54%
7.5/14
   
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-bit243446%
5.5/12
 50%
11/22
     
Pedone 0.4 64-bit2427 41%
6.5/16
60%
6/10
     
Bitfoot 1.0.d9aeb43 64-bit2421 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-bit242044%
3.5/8
    52%
13.5/26
  
K2 0.712418 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-bit2414   50%
2/4
41%
13/32
   
RomiChess P3n 64-bit241461%
17/28
 43%
6.5/15
49%
25.5/52
50%
2/4
   
Ifrit m1.8 64-bit241362%
5/8
17%
0.5/3
50%
2/4
     
Gaia 3.5 32-bit241162%
5/8
    0%
0/2
  
Queen 4.03241056%
4.5/8
    27%
6.5/24
  
Dragon 4.62405    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-bit2401 25%
2/8
45%
4.5/10
 58%
7/12
40%
9.5/24
  
Tigran 2.4n 64-bit2400 54%
13/24
55%
5.5/10
     
KnightDreamer 3.32397   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
40%
8/20
 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
Patzer 3.80239744%
3.5/8
50%
1/2
70%
7/10
 50%
4/8
25%
0.5/2
  
Popochin 4.1 64-bit239650%
10/20
62%
5/8
88%
3.5/4
45%
9/20
    
Amateur 2.822395     50%
0.5/1
 17%
2/12
Alex 2.14a 64-bit239350%
4/8
 45%
4.5/10
  42%
10/24
  
Zevra 2.1.2 r248 64-bit2391   54%
6.5/12
42%
8.5/20
   
Waxman 20142390 52%
11/21
75%
3/4
 38%
3/8
   
Sorgenkind 0.42388   47%
14/30
 59%
9.5/16
38%
1.5/4
29%
3.5/12
Sage 3.532387     36%
2.5/7
30%
1.5/5
 
Googleplex Starthinker 1.6 64-bit2386   56%
27/48
50%
13/26
   
Horizon 4.42385  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
    
Isa 2.0.83 64-bit2379   54%
7.5/14
60%
15.5/26
   
Jazz 721 64-bit237762%
5/8
67%
4/6
      
OliThink 5.3.2 64-bit237469%
5.5/8
 62%
2.5/4
     
iCE 0.22372 60%
6/10
   58%
3.5/6
  
Waxman 2017237175%
3/4
35%
3.5/10
71%
5/7
47%
21.5/46
    
MadChess 2.0 64-bit2370 60%
6/10
43%
6/14
     
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-bit2356   60%
6/10
57%
17/30
   
Tytan 9.32 32-bit2347      75%
1.5/2
50%
1/2
Glass 1.52345     54%
14/26
39%
11/28
 
Arion 1.7234138%
3/8
   56%
4.5/8
50%
3/6
  
Jazz 840 64-bit2340 58%
3.5/6
54%
7.5/14
 75%
3/4
 50%
4/8
 
Rodin 2.3a2339      50%
3/6
34%
11/32
Aice 0.99.2233888%
7/8
   88%
7/8
   
Napoleon 1.8 64-bit2338   88%
10.5/12
75%
6/8
   
Gibbon 2.60a 64-bit233775%
6/8
75%
12/16
  56%
4.5/8
   
Popochin 4.0 64-bit2337  50%
2.5/5
   45%
4.5/10
 
EveAnn 1.71233569%
5.5/8
   50%
4/8
   
Asterisk 0.6233269%
5.5/8
     75%
1.5/2
 
FireFly 2.7.2 64-bit232969%
5.5/8
83%
5/6
67%
4/6
25%
2/8
75%
1.5/2
   
Amundsen 0.80232862%
5/8
  63%
19/30
 58%
14.5/25
25%
1/4
 
Zeus 1.27232662%
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 1.71a2318 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 0.812314    56%
4.5/8
50%
1.5/3
  
Mediocre 0.42311    75%
6/8
50%
2/4
  
Cheese 1.32309     54%
6.5/12
55%
6/11
50%
1/2
Nemeton 1.22309 75%
1.5/2
    75%
3/4
 
Zeus 1.292303    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-bit2300 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
   
Fischerle 0.9.70 SE 64-bit2296  50%
5/10
   62%
5/8
 
Popochin 3.22296     100%
4/4
50%
5.5/11
 
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-bit2290 54%
6.5/12
  19%
1.5/8
   
Chaturanga 2.4.32289    81%
6.5/8
66%
10.5/16
  
FireFly 2.7.0 64-bit2287 71%
8.5/12
0%
0/2
     
Butcher 1.60n12285     64%
20.5/32
57%
8/14
53%
9.5/18
Chispa 4.0.32274      100%
2/2
69%
12.5/18
Matilde 2008 32-bit2273      33%
2/6
38%
7.5/20
CeeChess 1.3.2 64-bit2269   75%
3/4
55%
5.5/10
   
AliChess 4.202265      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 20092253     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-bit222238%
1.5/4
  88%
3.5/4
    
Uralochka 1.1b2218      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
ChessAlex 2.0r42203      88%
3.5/4
100%
2/2
BlackBishop 1.02202      100%
4/4
100%
1/1
Achillees 1.0 64-bit2199   88%
3.5/4
50%
2/4
   
TJchess 0.1212134      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:
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Created in 2005-2013 by CCRL team
Last games added on April 17, 2021