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 11 engines!
11 selected engines played 100 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+
1ECE 20.1 64-bit2697+21−2149.5%+4.427.6%774 
58.1%
 ECE 19.6.6.3 64-bit2694+21−2148.3%+11.026.3%813
86.6%
 ECE X3 64-bit 4CPU2676+23−2341.5%+68.623.4%709
98.3%
 ECE X3 64-bit2645+16−1648.3%+12.627.7%1460
61.9%
 ECE X3.5 64-bit2642+17−1750.9%−7.823.6%1231
100.0%
 ECE X22514+28−2850.4%−3.923.2%466
69.9%
 ECE X2502+32−3252.5%−18.826.2%343
100.0%
 ECE 12.012320+22−2248.6%+8.024.3%768
100.0%
 ECE 11.012181+23−2347.3%+16.922.0%683
100.0%
 ECE 1.12043+27−2846.4%+26.616.7%508
100.0%
 ECE 0.31915+26−2738.6%+88.720.6%538
 

Results matrix

Custom engine selection
#NameElo1234567891011
1ECE 20.1 64-bit2697           
2ECE 19.6.6.3 64-bit2694           
3ECE X3 64-bit 4CPU2676           
4ECE X3 64-bit2645    40.5 − 59.5
+17−36=47
−61
      
5ECE X3.5 64-bit2642   59.5 − 40.5
+36−17=47
+61
       
6ECE X22514           
7ECE X2502           
8ECE 12.012320           
9ECE 11.012181           
10ECE 1.12043           
11ECE 0.31915           
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
#NameElo1234567891011
1ECE 20.1 64-bit2697 58.190.1100.0100.0100.0100.0100.0100.0100.0100.0
2ECE 19.6.6.3 64-bit269441.9 86.6100.0100.0100.0100.0100.0100.0100.0100.0
3ECE X3 64-bit 4CPU26769.913.4 98.398.8100.0100.0100.0100.0100.0100.0
4ECE X3 64-bit26450.00.01.7 61.9100.0100.0100.0100.0100.0100.0
5ECE X3.5 64-bit26420.00.01.238.1 100.0100.0100.0100.0100.0100.0
6ECE X225140.00.00.00.00.0 69.9100.0100.0100.0100.0
7ECE X25020.00.00.00.00.030.1 100.0100.0100.0100.0
8ECE 12.0123200.00.00.00.00.00.00.0 100.0100.0100.0
9ECE 11.0121810.00.00.00.00.00.00.00.0 100.0100.0
10ECE 1.120430.00.00.00.00.00.00.00.00.0 100.0
11ECE 0.319150.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1ECE 20.1 64-bit2697 578422611981800000
2ECE 19.6.6.3 64-bit2694578 4825524361120000
3ECE X3 64-bit 4CPU26764248 5772330000
4ECE X3 64-bit264526125557 604156300000
5ECE X3.5 64-bit264219824372604 62120000
6ECE X225141861315662 47974000
7ECE X250201233012479 70000
8ECE 12.012320000007470 164187
9ECE 11.0121810000000164 26539
10ECE 1.12043000000018265 272
11ECE 0.319150000000739272 
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
#NameElo1234567891011
1ECE 20.1 64-bit2697 36.42.811.79.91.50.00.00.00.00.0
2ECE 19.6.6.3 64-bit269436.4 3.211.211.94.81.00.00.00.00.0
3ECE X3 64-bit 4CPU26762.83.2 2.63.70.30.30.00.00.00.0
4ECE X3 64-bit264511.711.22.6 22.48.11.70.00.00.00.0
5ECE X3.5 64-bit26429.911.93.722.4 3.70.80.00.00.00.0
6ECE X225141.54.80.38.13.7 59.26.00.00.00.0
7ECE X25020.01.00.31.70.859.2 6.30.00.00.0
8ECE 12.0123200.00.00.00.00.06.06.3 11.31.40.5
9ECE 11.0121810.00.00.00.00.00.00.011.3 22.33.2
10ECE 1.120430.00.00.00.00.00.00.01.422.3 26.0
11ECE 0.319150.00.00.00.00.00.00.00.53.226.0 
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 152 common opponents

Custom engine selection
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
Chiron 4 64-bit3114 0%
0/1
 0%
0/1
       
Invictus r305 64-bit287838%
1.5/4
0%
0/4
         
Asymptote 0.7 64-bit284525%
2/8
50%
2/4
         
Onno 1.2.70 64-bit283544%
3.5/8
  22%
3.5/16
       
OliThink 5.9.2 64-bit280025%
1/4
29%
3.5/12
         
The Baron 3.42 64-bit279731%
2.5/8
35%
3.5/10
         
Monolith 1.0 64-bit279450%
4/8
50%
2/4
         
Octochess r5506 64-bit2784 33%
1/3
 44%
7/16
       
Cheese 2.1 64-bit278050%
10/20
28%
8.5/30
         
Pawny 1.2 64-bit2779 25%
1/4
 38%
6/16
       
Francesca MAD 0.24 64-bit275831%
2.5/8
   12%
0.5/4
      
Minic 0.82 64-bit2753 25%
1/4
 32%
9.5/30
       
Arminius 2018-12-23 64-bit273334%
11.5/34
54%
6.5/12
 62%
2.5/4
       
Shield 2.1 64-bit27270%
0/2
43%
3/7
 38%
4.5/12
30%
12/40
      
Devel 2.0000272550%
2/4
44%
3.5/8
50%
16/32
 31%
12.5/40
      
GreKo 2018 64-bit2709 69%
5.5/8
 50%
2/4
30%
12/40
      
GreKo 2018.07 64-bit2709 45%
4.5/10
 75%
3/4
       
Ktulu 8270612%
1/8
55%
5.5/10
         
ProDeo 2.82706   50%
2/4
44%
17.5/40
      
DanaSah 8.3269652%
15.5/30
50%
9/18
         
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
Fridolin 3.10 64-bit268350%
9/18
50%
4/8
  36%
6.5/18
      
WyldChess 1.51 64-bit268350%
4/8
  52%
11.5/22
25%
2/8
      
Daydreamer 1.75 64-bit268138%
3/8
55%
5.5/10
         
Fridolin 3.00 64-bit267662%
5/8
   45%
18/40
      
chess22k 1.4 64-bit267462%
5/8
  34%
5.5/16
       
Francesca MAD 0.21 64-bit2672 45%
4.5/10
  53%
19/36
      
Djinn 1.021 64-bit266865%
6.5/10
50%
4/8
44%
19.5/44
47%
8.5/18
       
RedQueen 1.1.98 64-bit266455%
5.5/10
25%
1/4
 0%
0/1
       
K2 0.95266340%
4/10
82%
18/22
  50%
5/10
      
Alaric 707266138%
3/8
  50%
0.5/1
       
Drosophila 1.6 64-bit265959%
9.5/16
45%
4.5/10
         
Floyd 0.9 64-bit265862%
5/8
  45%
17/38
47%
15/32
      
Winter 0.2 64-bit2654 65%
6.5/10
 44%
7.5/17
       
Philou 3.7.1 64-bit265150%
4/8
  33%
2/6
       
E.T. Chess 13.01.08265062%
5/8
   48%
15.5/32
      
CM10th Ogre264831%
2.5/8
  62%
10/16
88%
3.5/4
      
Gandalf 7 64-bit2645 35%
3.5/10
 60%
6/10
75%
3/4
      
DanaSah 7.32640 75%
3/4
 58%
7/12
55%
20.5/37
      
WyldChess 1.4 64-bit2640   44%
7/16
 25%
2.5/10
     
DanaSah 7.92636 62%
2.5/4
  52%
23/44
      
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
Sjakk 2.2 64-bit263375%
6/8
75%
3/4
 67%
12/18
       
Nawito 1906263183%
10/12
62%
10/16
         
Orion 0.6 64-bit262954%
6.5/12
66%
14.5/22
         
WildCat 8262944%
3.5/8
75%
7.5/10
         
Rodin 8.0262856%
4.5/8
38%
1.5/4
 66%
25/38
       
Delocto 0.61n 64-bit262662%
5/8
40%
4/10
         
Igel 1.2 64-bit2626   32%
4.5/14
38%
13.5/36
      
Ruffian 2.1.02624  50%
0.5/1
75%
1.5/2
       
Caligula 0.9g262031%
2.5/8
65%
6.5/10
         
Phalanx XXV261956%
4.5/8
50%
2/4
 62%
12.5/20
 45%
4.5/10
     
Hamsters 0.7.1261881%
6.5/8
30%
3/10
 0%
0/1
       
K2 0.912616   59%
9.5/16
50%
4/8
      
Topple 0.3.3 64-bit2616 80%
8/10
 56%
22.5/40
       
Nawito 18122599 50%
5/10
  65%
13/20
      
Gogobello 1.2 64-bit2596   50%
1/2
 29%
4/14
     
Muse 0.953 64-bit2596   56%
9/16
 35%
3.5/10
     
Betsabe II 1.96259362%
2.5/4
68%
9.5/14
         
Brutus 8.05 64-bit2588   0%
0/2
100%
4/4
35%
3.5/10
     
Donna 4.1 64-bit2587 56%
4.5/8
  75%
3/4
      
Coiled 0.6 64-bit2585 62%
2.5/4
 50%
2/4
56%
4.5/8
      
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
K2 0.872584   48%
9.5/20
 40%
4/10
25%
2.5/10
    
Jellyfish 1.1 64-bit2581   25%
0.5/2
58%
18.5/32
      
Delocto 0.6 64-bit2580   62%
10/16
62%
5/8
      
Capivara LK 0.09b02g 64-bit2563     65%
6.5/10
65%
6.5/10
    
Jumbo 0.7.0 64-bit256062%
2.5/4
69%
12.5/18
         
Detroid 1.0.1 64-bit255825%
1/4
75%
7.5/10
         
Ghost 3 64-bit2558     45%
4.5/10
45%
4.5/10
    
Raven 1.0 64-bit255388%
3.5/4
81%
14.5/18
         
Ghost 3.1 64-bit2552   66%
10.5/16
 34%
5.5/16
     
Betsabe II 1.842546   62%
20/32
72%
23/32
      
nanoSzachy 4.0 64-bit2545     25%
2.5/10
30%
3/10
    
FrankWalter 2.4.0 64-bit253975%
3/4
   60%
20.5/34
      
chess22k 1.3 64-bit2539 70%
7/10
   46%
6.5/14
     
Maverick 1.5 64-bit2537    53%
17/32
47%
8.5/18
38%
1.5/4
    
Hermann 2.8 64-bit2529     35%
3.5/10
40%
4/10
    
CyberPagno 3.0 64-bit2515 82%
9/11
   68%
9.5/14
38%
1.5/4
    
FrankWalter 2.3.5 64-bit2513   65%
6.5/10
50%
2/4
      
Shield 1.3.1 64-bit2511     35%
3.5/10
32%
4.5/14
    
Dorky 4.5 64-bit2501     42%
7.5/18
50%
2/4
    
Pupsi2 0.092500     70%
7/10
45%
4.5/10
25%
1/4
   
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
LittleThought 1.052 64-bit2498     30%
3/10
61%
5.5/9
    
Pepito 1.59.2 64-bit2496     55%
5.5/10
65%
6.5/10
25%
0.5/2
   
Yace 0.99.872488  100%
1/1
  55%
5.5/10
50%
5/10
    
Cerebro 3.03d2481     70%
7/10
65%
6.5/10
    
Quark 2.352469     45%
4.5/10
55%
5.5/10
    
Betsabe II 1.662465     44%
3.5/8
62%
2.5/4
    
Carballo 1.22464     50%
5/10
50%
5/10
    
Nemeton 1.512454     61%
11/18
61%
8.5/14
    
Bumblebee 1.0.36898e1 64-bit2448     38%
1.5/4
75%
3/4
    
Lozza 1.17a 64-bit2444     56%
10/18
68%
9.5/14
35%
3.5/10
   
Shallow r694 64-bit2443     71%
10/14
65%
6.5/10
    
Eeyore 1.52 64-bit2442     90%
9/10
70%
7/10
    
TJchess 1.3 64-bit2435     78%
14/18
43%
6/14
    
Ifrit m1.8 64-bit2413     65%
6.5/10
60%
6/10
47%
8.5/18
   
Ares 1.0042374       25%
1/4
38%
1.5/4
  
iCE 0.22372       38%
1.5/4
18%
5/28
  
Ghost 2.0.12343       50%
4/8
25%
1/4
  
Daydreamer 1.52337       33%
1/3
  0%
0/4
Anechka 0.082302       50%
2/4
50%
1/2
  
Natwarlal 0.142299       100%
2/2
0%
0/2
  
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
Chaturanga 2.4.32290       38%
1.5/4
46%
5.5/12
  
Butcher 1.61 32-bit2286       55%
5.5/10
62%
2.5/4
  
AliChess 4.252283       67%
8/12
20%
2/10
  
Sungorus 1.4 32-bit2261       75%
6/8
28%
5/18
  
Protej 0.5.8c2257 100%
1/1
 100%
1/1
       
Atak 6.82238       75%
3/4
32%
7/22
  
Dolphin 1.0 64-bit2231       88%
3.5/4
33%
2/6
  
Hussar 0.22225        50%
7/14
0%
0/1
 
Bearded N44.22224       100%
2/2
38%
1.5/4
  
Beowulf 2.4a 32-bit2219        50%
12/24
0%
0/4
 
Gibbon 2.52a2218        55%
5.5/10
42%
2.5/6
 
Adam 3.32212       25%
0.5/2
48%
10.5/22
  
Myrddin 0.85 32-bit2207       75%
1.5/2
33%
4/12
  
Jazz 501 32-bit2206       50%
1/2
62%
5/8
  
BlackBishop 1.02203        83%
5/6
25%
1.5/6
 
NagaSkaki 5.122187        50%
2/4
 25%
0.5/2
KMTChess 1.2.1 32-bit2183        53%
8.5/16
17%
1/6
 
Lime 662182         28%
9/32
0%
0/4
KnockOut 0.7.12153        50%
11/22
31%
2.5/8
 
Prophet 2.0 32-bit2138        50%
1/2
35%
12.5/36
 
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
Parrot 07.07.222137        100%
2/2
 8%
0.5/6
Adam 3.22136        50%
1/2
46%
6/13
 
TJchess 0.1212135         25%
2/8
0%
0/6
Bearded 06_29_022132        58%
3.5/6
36%
4/11
 
Ifrit j4.22124        58%
10.5/18
0%
0/1
 
Clarabit 1.00 32-bit2117        75%
1.5/2
 10%
1/10
Kurt 0.9.2 32-bit2115        48%
9.5/20
60%
3/5
 
Myrddin 0.84 32-bit2112        75%
1.5/2
0%
0/5
 
Adam 3.12110         45%
14.5/32
10%
1/10
Carballo 0.52097        53%
8.5/16
43%
6.5/15
 
FireFly 2.5.6 32-bit2089        75%
1.5/2
40%
6/15
25%
2/8
BikJump 2.01 32-bit2085        75%
1.5/2
36%
5/14
32%
5.5/17
Soldat III 0.178 64-bit2070       100%
2/2
 67%
4/6
 
Sjakk 1.1.62068        50%
1/2
60%
3/5
 
BigLion 2.23x2067         62%
2.5/4
32%
4.5/14
Protej 0.5.72055        75%
4.5/6
50%
10/20
0%
0/1
Ecce 1.0 (rev. 508) 64-bit2050       100%
2/2
 42%
2.5/6
 
ZCT 0.3.25002050         40%
4/10
12%
0.5/4
PLP 16615712048        75%
3/4
57%
8.5/15
0%
0/1
Jabba 1.0 32-bit2045        75%
6/8
57%
13/23
50%
0.5/1
NameEloECE
20.1
64-bit
ECE
19.6.6.3
64-bit
ECE
X3
64-bit
4CPU
ECE
X3
64-bit
ECE
X3.5
64-bit
ECE
X2
ECE
X
ECE
12.01
ECE
11.01
ECE
1.1
ECE
0.3
Slibo 0.5.12026        50%
2/4
25%
4.5/18
 
Bubble 1.52012       100%
2/2
50%
3/6
  
Kurt 2710091999         60%
6/10
100%
1/1
Cupcake 1.01995       75%
1.5/2
 67%
4/6
 
Schola 1.1.0 32-bit1993         61%
11/18
44%
3.5/8
Heracles 0.6.161983         60%
6/10
37%
16/43
Feuerstein 0.4.4.21955         83%
5/6
54%
31/57
Micro-Max 4.8 (DM-PII)1943         62%
2.5/4
52%
26/50
MatMoi 7.15.0-cct 32-bit1939        88%
3.5/4
90%
9/10
 
Reger 0.091909         68%
9.5/14
43%
3/7
Warrior 1.0.31907         50%
3/6
53%
19.5/37
Roce 0.03901837         100%
4/4
100%
1/1
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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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
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Reference rating list:
Recalibrate:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on March 6, 2021