CCRL 40/15
Downloads and Statistics
January 9, 2021
Testing summary:
Total: 1'204'486 games
played by 2'764 programs

White wins: 414'243 (34.4%)
Black wins: 305'352 (25.4%)
Draws: 484'891 (40.3%)
White score: 54.5%

Custom engine selection

Comparing 9 engines!
9 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 January 9, 2021 with Bayeselo based on 1'204'486 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+
1Isa 2.0.83 64-bit2386+25−2553.3%−25.225.7%564 
92.2%
 Isa 2.0.64 64-bit2365+16−1652.6%−20.327.3%1415
77.6%
 Isa 2.1 64-bit2352+28−2851.2%−12.924.8%456
93.4%
 Isa 2.0.61 64-bit2320+30−3050.0%−3.727.9%383
98.9%
 Isa 2.0.48 64-bit2271+30−3050.5%−4.533.5%373
67.5%
 Isa 2.0.45 64-bit2262+28−2849.6%+0.928.9%450
93.8%
 Isa 1.9.68 64-bit2230+30−3050.0%+1.727.8%374
98.3%
 Isa 1.9.63 64-bit2186+26−2744.6%+37.028.9%501
73.3%
 Isa 1.9.51 64-bit2174+27−2752.5%−19.524.0%496
 

Results matrix

Custom engine selection
#NameElo123456789
1Isa 2.0.83 64-bit2386         
2Isa 2.0.64 64-bit2365         
3Isa 2.1 64-bit2352         
4Isa 2.0.61 64-bit2320         
5Isa 2.0.48 64-bit2271         
6Isa 2.0.45 64-bit2262         
7Isa 1.9.68 64-bit2230         
8Isa 1.9.63 64-bit2186         
9Isa 1.9.51 64-bit2174         
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
#NameElo123456789
1Isa 2.0.83 64-bit2386 92.296.399.9100.0100.0100.0100.0100.0
2Isa 2.0.64 64-bit23657.8 77.699.4100.0100.0100.0100.0100.0
3Isa 2.1 64-bit23523.722.4 93.4100.0100.0100.0100.0100.0
4Isa 2.0.61 64-bit23200.10.66.6 98.999.7100.0100.0100.0
5Isa 2.0.48 64-bit22710.00.00.01.1 67.597.2100.0100.0
6Isa 2.0.45 64-bit22620.00.00.00.232.5 93.8100.0100.0
7Isa 1.9.68 64-bit22300.00.00.00.02.86.2 98.399.6
8Isa 1.9.63 64-bit21860.00.00.00.00.00.01.7 73.3
9Isa 1.9.51 64-bit21740.00.00.00.00.00.00.426.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1Isa 2.0.83 64-bit2386 5584125664566624
2Isa 2.0.64 64-bit2365558 416367325315146166128
3Isa 2.1 64-bit2352412416 23223322117915752
4Isa 2.0.61 64-bit232056367232 36041025227756
5Isa 2.0.48 64-bit227164325233360 49135324096
6Isa 2.0.45 64-bit226256315221410491 526407188
7Isa 1.9.68 64-bit22306146179252353526 419230
8Isa 1.9.63 64-bit21866166157277240407419 319
9Isa 1.9.51 64-bit217424128525696188230319 
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
#NameElo123456789
1Isa 2.0.83 64-bit2386 28.240.45.96.85.50.60.62.3
2Isa 2.0.64 64-bit236528.2 22.220.418.216.98.28.76.7
3Isa 2.1 64-bit235240.422.2 27.728.124.421.616.45.5
4Isa 2.0.61 64-bit23205.920.427.7 47.649.233.331.36.4
5Isa 2.0.48 64-bit22716.818.228.147.6 59.747.327.511.0
6Isa 2.0.45 64-bit22625.516.924.449.259.7 63.842.819.9
7Isa 1.9.68 64-bit22300.68.221.633.347.363.8 47.926.4
8Isa 1.9.63 64-bit21860.68.716.431.327.542.847.9 32.0
9Isa 1.9.51 64-bit21742.36.75.56.411.019.926.432.0 
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 136 common opponents

Custom engine selection
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.1
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Axolotl 1.9 64-bit2528 35%
3.5/10
0%
0/1
      
Delphil 3.2 64-bit2496  42%
2.5/6
0%
0/1
     
Pepito 1.59.2 64-bit2496 62%
2.5/4
8%
0.5/6
      
MadChess 2.2 64-bit2494 25%
1/4
50%
3/6
      
Jumbo 0.6.10 64-bit2484 0%
0/4
 38%
1.5/4
     
Drosophila 1.5.1 64-bit248038%
1.5/4
50%
7/14
       
Raven 0.90 64-bit2470 31%
2.5/8
0%
0/4
      
Bumblebee 1.0 64-bit2468 25%
1/4
17%
1/6
      
Nemeton 1.812466100%
2/2
 33%
2/6
      
Nemeton 1.512454       15%
1.5/10
8%
0.5/6
Orion 0.4 64-bit2453 62%
2.5/4
 62%
2.5/4
     
Bumblebee 1.0.36898e1 64-bit244888%
3.5/4
  25%
1/4
 38%
1.5/4
   
Stash 18.0 64-bit244850%
1/2
50%
5/10
       
Shallow r694 64-bit2443 75%
3/4
 38%
1.5/4
 0%
0/4
   
Bearded N44.5 64-bit2441 25%
2/8
  5%
0.5/10
    
Teki 2 64-bit244150%
6/12
52%
16.5/32
       
Tunguska 1.1 64-bit243935%
9.5/27
35%
3.5/10
       
Cmcchess 2.6 64-bit242325%
0.5/2
25%
1/4
       
Kiwi 0.6d 32-bit2421 62%
2.5/4
 33%
2/6
     
Monolith 0.3 64-bit2418 83%
2.5/3
 38%
1.5/4
38%
1.5/4
    
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.1
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Gaia 3.5 64-bit241762%
2.5/4
62%
2.5/4
25%
1.5/6
42%
2.5/6
     
RomiChess P3n 64-bit241553%
9.5/18
58%
11.5/20
75%
3/4
50%
2/4
20%
2/10
    
Ares 1.005.2 64-bit2412 17%
0.5/3
   12%
0.5/4
   
Gosu 0.162403 14%
1/7
 50%
3/6
     
Hedgehog 2.0 64-bit240345%
9.5/21
 25%
1/4
      
KnightDreamer 3.3240233%
2/6
38%
1.5/4
50%
3/6
      
Simplex 0.9.8 64-bit2400 38%
1.5/4
 25%
1.5/6
     
Myrddin 0.87 64-bit239756%
9/16
18%
3.5/19
44%
7/16
  40%
4/10
   
Patzer 3.802397 12%
0.5/4
17%
1/6
      
Popochin 4.1 64-bit239738%
4.5/12
40%
9.5/24
75%
1.5/2
      
Amateur 2.822396  33%
2/6
42%
2.5/6
     
Alex 2.14a 64-bit2394 75%
3/4
 33%
2/6
     
Ares GB 64-bit239346%
6.5/14
45%
24.5/54
25%
1/4
      
CT800 1.40 64-bit239353%
9.5/18
 50%
2/4
      
Zevra 2.1.2 r248 64-bit239359%
16.5/28
55%
5.5/10
33%
4/12
      
Ares GB 1.1 64-bit238843%
9/21
56%
4.5/8
       
Galjoen 0.39 64-bit238845%
4.5/10
23%
3/13
       
Googleplex Starthinker 1.6 64-bit238744%
12/27
70%
7/10
41%
11.5/28
      
Thor's Hammer 2.28 32-bit238450%
1/2
12%
0.5/4
       
Tytan 9.32383 25%
1/4
33%
2/6
      
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.1
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Zevra 2.1.1 r216 64-bit238155%
5.5/10
46%
5.5/12
       
Waxman 20162380   38%
1.5/4
 62%
2.5/4
   
OliThink 5.3.2 64-bit2375 75%
3/4
  25%
2.5/10
40%
4/10
   
Waxman 2017237246%
5.5/12
48%
11.5/24
       
Raven 0.80 64-bit237050%
1/2
 25%
1.5/6
      
Plisk 0.2.7d 64-bit236350%
1/2
47%
7/15
25%
1.5/6
 55%
5.5/10
    
KnightX 1.94 64-bit235375%
3/4
54%
18.5/34
       
Barbarossa 0.6.0 64-bit234952%
24.5/47
 50%
9/18
      
Jazz 840 64-bit234162%
2.5/4
50%
6/12
       
Aice 0.99.22339 62%
2.5/4
 83%
5/6
 55%
5.5/10
   
Napoleon 1.8 64-bit233938%
1.5/4
50%
6/12
       
Gibbon 2.60a 64-bit2337 44%
3.5/8
67%
4/6
      
Asterisk 0.62333 62%
5/8
 75%
4.5/6
     
FireFly 2.7.2 64-bit233035%
3.5/10
66%
21/32
67%
8/12
55%
5.5/10
39%
5.5/14
17%
1/6
   
Amundsen 0.802329 58%
7/12
 50%
3/6
50%
5/10
    
Zeus 1.272327 50%
2/4
42%
2.5/6
      
Chezzz 1.0.32324 33%
4/12
 50%
3/6
     
EveAnn 1.72232125%
0.5/2
60%
21/35
100%
1/1
50%
2/4
50%
2/4
46%
5.5/12
29%
4/14
  
Gibbon 2.69a 64-bit2321 38%
1.5/4
  40%
4/10
33%
4/12
39%
5.5/14
30%
3/10
25%
2/8
Googleplex Starthinker 1.4 64-bit232142%
2.5/6
57%
16/28
       
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.1
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
EveAnn 1.71a2319 88%
3.5/4
 42%
2.5/6
     
KnightX 1.922317 58%
7/12
 33%
2/6
40%
4/10
45%
4.5/10
 35%
3.5/10
 
Asymptote 0.2.0 64-bit2316 50%
19.5/39
 25%
1.5/6
     
Mediocre 0.42316  67%
4/6
67%
4/6
     
Averno 0.812315 46%
5.5/12
 33%
2/6
50%
5/10
40%
4/10
25%
2.5/10
55%
5.5/10
 
Nemeton 1.22310       20%
2/10
44%
3.5/8
Anechka 0.082303    50%
5/10
30%
3/10
25%
2.5/10
35%
3.5/10
 
Ant 2006-F2303 54%
6.5/12
50%
3/6
58%
3.5/6
 80%
8/10
20%
2/10
  
RubiChess 0.7 64-bit2303 58%
7/12
50%
3/6
    75%
4.5/6
 
Joker 1.1.142302 38%
3/8
67%
4/6
42%
2.5/6
50%
2/4
0%
0/2
62%
2.5/4
  
Fischerle 0.9.80 SE 64-bit2301   58%
3.5/6
38%
6/16
31%
5/16
36%
5/14
  
Natwarlal 0.142301 62%
2.5/4
 58%
10.5/18
 40%
4/10
 15%
1.5/10
 
Schooner 1.5 64-bit2301      45%
4.5/10
25%
3.5/14
31%
2.5/8
Absolute Zero 2.4.7.2 64-bit2297 62%
2.5/4
42%
2.5/6
50%
5/10
12%
0.5/4
25%
2/8
53%
9.5/18
25%
3.5/14
25%
2/8
CT800 1.34 64-bit229750%
2/4
56%
4.5/8
100%
2/2
      
Fischerle 0.9.70 SE 64-bit2297 50%
2/4
     25%
1/4
56%
4.5/8
Invictus r228 64-bit229375%
3/4
54%
7.5/14
       
Chaturanga 2.4.32290 88%
7/8
 58%
3.5/6
 70%
7/10
 20%
2/10
 
Matilde 2008 64-bit2290 75%
3/4
92%
5.5/6
58%
3.5/6
40%
4/10
45%
4.5/10
39%
5.5/14
25%
2.5/10
 
FireFly 2.7.0 64-bit2288    50%
0.5/1
29%
3.5/12
46%
6.5/14
43%
6/14
 
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.1
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Bearded N44.2 64-bit2287     38%
1.5/4
38%
1.5/4
43%
6/14
 
Galjoen 0.38 64-bit2285 59%
9.5/16
     12%
0.5/4
38%
1.5/4
AliChess 4.252283 75%
6/8
67%
4/6
      
Chispa 4.0.32275 88%
3.5/4
33%
2/6
50%
3/6
 35%
3.5/10
35%
3.5/10
45%
4.5/10
 
CeeChess 1.3.2 64-bit227078%
19.5/25
 80%
8/10
      
Ayito 0.2.9942269  75%
4.5/6
50%
3/6
55%
5.5/10
  35%
3.5/10
 
CT800 1.30 64-bit2258 54%
7.5/14
50%
3/6
     39%
5.5/14
Protej 0.5.8c2258   83%
5/6
 25%
0.5/2
 50%
5/10
 
Absolute Zero 3.3.2.0 64-bit225754%
7/13
 58%
3.5/6
      
RattateChess 1.0 Nosferatu2254  75%
4.5/6
75%
4.5/6
45%
4.5/10
 45%
4.5/10
  
Exacto 0.e 64-bit2253   42%
2.5/6
70%
7/10
  50%
5/10
 
Beowulf 2.4a 64-bit2250   42%
2.5/6
55%
5.5/10
55%
5.5/10
   
Lozza 1.14a 64-bit2247       39%
3.5/9
19%
1.5/8
Mango Paola Ajedrez 4.12246  92%
5.5/6
  50%
1/2
40%
4/10
50%
5/10
 
Atak 6.82238  33%
2/6
67%
4/6
   45%
4.5/10
 
RamJet 0.132237  50%
3/6
67%
4/6
38%
1.5/4
68%
9.5/14
53%
9.5/18
62%
2.5/4
0%
0/2
Buzz 0.08 64-bit2235   33%
2/6
50%
5/10
40%
4/10
50%
5/10
  
Dolphin 1.0 64-bit2232  67%
4/6
67%
4/6
40%
4/10
35%
3.5/10
 39%
3.5/9
 
SpaceDog 0.97.7 64-bit223170%
7/10
 62%
7.5/12
      
Tiny Chess 1.46 64-bit2225 78%
7/9
100%
6/6
67%
4/6
72%
11.5/16
64%
9/14
   
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.1
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
Robocide 20170718 64-bit2222 62%
5/8
  70%
7/10
   31%
2.5/8
Uralochka 1.1b2219  58%
3.5/6
 45%
4.5/10
 70%
7/10
70%
7/10
 
CT800 1.12 64-bit2217 62%
2.5/4
  100%
2/2
    
Joker2 0.7.7 64-bit2216 69%
5.5/8
      62%
5/8
OBender 03.2016 64-bit2216   42%
2.5/6
54%
6.5/12
50%
9/18
46%
6.5/14
39%
5.5/14
31%
5.5/18
ChessKISS 1.7c 64-bit2215     82%
11.5/14
50%
5/10
 50%
9/18
Neurosis 2.32214  83%
5/6
 45%
4.5/10
55%
5.5/10
   
Adam 3.32212  67%
4/6
58%
3.5/6
55%
5.5/10
35%
3.5/10
65%
6.5/10
  
Napoleon 1.6.0b 64-bit2209       61%
8.5/14
50%
1/2
Latista (Sinobyl) 1.52208  50%
3/6
67%
4/6
75%
7.5/10
45%
4.5/10
30%
3/10
  
Baislicka 1.0 64-bit2206 62%
5/8
  67%
4/6
54%
6.5/12
   
ChessAlex 2.0r42204   75%
4.5/6
   80%
8/10
 
Achillees 1.0 64-bit220175%
13.5/18
 83%
5/6
      
Dorpsgek Dillinger 64-bit2195   75%
4.5/6
67%
4/6
57%
8/14
   
NG-Play 9.85 64-bit2192    65%
6.5/10
 60%
6/10
  
NG-Play 9.87 64-bit2191     83%
5/6
75%
3/4
88%
3.5/4
50%
5/10
GopherCheck 0.2.3 64-bit2190   75%
4.5/6
72%
11.5/16
54%
7.5/14
61%
8.5/14
25%
0.5/2
 
Zevra 1.8.2 r612 64-bit2190 75%
3/4
      50%
2/4
NagaSkaki 5.122187     65%
6.5/10
50%
5/10
30%
3/10
 
MORA 1.1.0218575%
3/4
 92%
5.5/6
     50%
4/8
NameEloIsa
2.0.83
64-bit
Isa
2.0.64
64-bit
Isa
2.1
64-bit
Isa
2.0.61
64-bit
Isa
2.0.48
64-bit
Isa
2.0.45
64-bit
Isa
1.9.68
64-bit
Isa
1.9.63
64-bit
Isa
1.9.51
64-bit
NG-Play 9.87b 64-bit2183 100%
4/4
  100%
2/2
    
Lime 662182      45%
4.5/10
68%
7.5/11
 
Soldat III 0.187 64-bit2179    17%
1/6
62%
7.5/12
   
Clever Girl r185 64-bit217250%
2/4
75%
3/4
     0%
0/2
70%
7/10
Chesley r323 64-bit2164   92%
5.5/6
   65%
6.5/10
62%
5/8
Micah 1.0 64-bit216392%
5.5/6
 100%
6/6
      
Dorpsgek Cosmopolitan 2 64-bit2153      75%
3/4
62%
2.5/4
28%
5/18
Blitzkrieg rev337 64-bit2143    0%
0/2
62%
7.5/12
62%
2.5/4
75%
7.5/10
42%
7.5/18
Parrot 07.07.222137     80%
8/10
60%
6/10
45%
4.5/10
 
Barbarossa 0.4.0 64-bit2135     92%
11/12
79%
11/14
50%
7/14
61%
8.5/14
Tunguska 1.0 64-bit2130    75%
1.5/2
75%
1.5/2
62%
2.5/4
 80%
8/10
BigLion 2.23w2078      75%
3/4
55%
5.5/10
81%
6.5/8
Galjoen 0.36 64-bit2075     50%
1/2
 60%
6/10
 
Little Wing 0.6.0 64-bit2075  100%
2/2
    50%
4/8
 
Soldat III 0.178 64-bit2071       50%
5/10
70%
7/10
Cinnamon 2.0 64-bit2037      62%
2.5/4
 40%
4/10
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%

Alter engine selection



Alter output selection

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 January 9, 2021