CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
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 May 8, 2021 with Bayeselo based on 1'242'291 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 19.6.6.3 64-bit2693+21−2148.3%+10.926.3%813 
51.9%
 ECE 20.1 64-bit2692+20−2048.3%+12.227.7%878
85.9%
 ECE X3 64-bit 4CPU2675+23−2341.5%+68.523.4%709
98.2%
 ECE X3 64-bit2645+16−1648.3%+11.927.7%1460
61.5%
 ECE X3.5 64-bit2641+17−1750.9%−7.423.6%1231
100.0%
 ECE X22513+28−2850.4%−3.823.2%466
69.9%
 ECE X2501+32−3252.5%−18.726.2%343
100.0%
 ECE 12.012318+22−2248.6%+8.924.3%768
100.0%
 ECE 11.012180+23−2447.3%+17.022.0%683
100.0%
 ECE 1.12042+27−2746.4%+26.916.7%508
100.0%
 ECE 0.31914+26−2738.6%+88.820.6%538
 

Results matrix

Custom engine selection
#NameElo1234567891011
1ECE 19.6.6.3 64-bit2693           
2ECE 20.1 64-bit2692           
3ECE X3 64-bit 4CPU2675           
4ECE X3 64-bit2645    40.5 − 59.5
+17−36=47
−62
      
5ECE X3.5 64-bit2641   59.5 − 40.5
+36−17=47
+62
       
6ECE X22513           
7ECE X2501           
8ECE 12.012318           
9ECE 11.012180           
10ECE 1.12042           
11ECE 0.31914           
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 19.6.6.3 64-bit2693 51.986.5100.0100.0100.0100.0100.0100.0100.0100.0
2ECE 20.1 64-bit269248.1 85.9100.0100.0100.0100.0100.0100.0100.0100.0
3ECE X3 64-bit 4CPU267513.514.1 98.298.8100.0100.0100.0100.0100.0100.0
4ECE X3 64-bit26450.00.01.8 61.5100.0100.0100.0100.0100.0100.0
5ECE X3.5 64-bit26410.00.01.238.5 100.0100.0100.0100.0100.0100.0
6ECE X225130.00.00.00.00.0 69.9100.0100.0100.0100.0
7ECE X25010.00.00.00.00.030.1 100.0100.0100.0100.0
8ECE 12.0123180.00.00.00.00.00.00.0 100.0100.0100.0
9ECE 11.0121800.00.00.00.00.00.00.00.0 100.0100.0
10ECE 1.120420.00.00.00.00.00.00.00.00.0 100.0
11ECE 0.319140.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1ECE 19.6.6.3 64-bit2693 5884825524361120000
2ECE 20.1 64-bit2692588 422611981800000
3ECE X3 64-bit 4CPU26754842 5772330000
4ECE X3 64-bit264525526157 604156300000
5ECE X3.5 64-bit264124319872604 62120000
6ECE X225136118315662 47974000
7ECE X250112033012479 70000
8ECE 12.012318000007470 164187
9ECE 11.0121800000000164 26539
10ECE 1.12042000000018265 272
11ECE 0.319140000000739272 
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 19.6.6.3 64-bit2693 34.83.211.211.94.81.00.00.00.00.0
2ECE 20.1 64-bit269234.8 2.611.29.41.30.00.00.00.00.0
3ECE X3 64-bit 4CPU26753.22.6 2.63.70.30.30.00.00.00.0
4ECE X3 64-bit264511.211.22.6 22.48.11.70.00.00.00.0
5ECE X3.5 64-bit264111.99.43.722.4 3.70.80.00.00.00.0
6ECE X225134.81.30.38.13.7 59.26.00.00.00.0
7ECE X25011.00.00.31.70.859.2 6.30.00.00.0
8ECE 12.0123180.00.00.00.00.06.06.3 11.31.40.5
9ECE 11.0121800.00.00.00.00.00.00.011.3 22.33.2
10ECE 1.120420.00.00.00.00.00.00.01.422.3 26.0
11ECE 0.319140.00.00.00.00.00.00.00.53.226.0 
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
19.6.6.3
64-bit
ECE
20.1
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-bit31130%
0/1
  0%
0/1
       
Invictus r305 64-bit28780%
0/4
38%
1.5/4
         
Asymptote 0.7 64-bit284450%
2/4
25%
2/8
         
Onno 1.2.70 64-bit2833 44%
3.5/8
 22%
3.5/16
       
OliThink 5.9.2 64-bit280029%
3.5/12
20%
1/5
         
The Baron 3.42 64-bit279635%
3.5/10
31%
2.5/8
         
Monolith 1.0 64-bit279450%
2/4
50%
4/8
         
Octochess r5506 64-bit278333%
1/3
  44%
7/16
       
Cheese 2.1 64-bit278028%
8.5/30
50%
10/20
         
Pawny 1.2 64-bit277825%
1/4
  38%
6/16
       
Francesca MAD 0.24 64-bit2757 31%
2.5/8
  12%
0.5/4
      
Minic 0.82 64-bit275325%
1/4
  32%
9.5/30
       
Arminius 2018-12-23 64-bit273254%
6.5/12
34%
11.5/34
 62%
2.5/4
       
Shield 2.1 64-bit272743%
3/7
0%
0/2
 38%
4.5/12
30%
12/40
      
Devel 2.0000272444%
3.5/8
50%
2/4
50%
16/32
 31%
12.5/40
      
GreKo 2018 64-bit270869%
5.5/8
  50%
2/4
30%
12/40
      
GreKo 2018.07 64-bit270845%
4.5/10
  75%
3/4
       
Ktulu 8270655%
5.5/10
12%
1/8
         
ProDeo 2.82705   50%
2/4
44%
17.5/40
      
DanaSah 8.3269650%
9/18
48%
16/33
         
NameEloECE
19.6.6.3
64-bit
ECE
20.1
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%
4/8
50%
9/18
  36%
6.5/18
      
WyldChess 1.51 64-bit2682 50%
4/8
 52%
11.5/22
25%
2/8
      
Daydreamer 1.75 64-bit268055%
5.5/10
38%
3/8
         
Fridolin 3.00 64-bit2675 62%
5/8
  45%
18/40
      
chess22k 1.4 64-bit2673 62%
5/8
 34%
5.5/16
       
Francesca MAD 0.21 64-bit267145%
4.5/10
   53%
19/36
      
Djinn 1.021 64-bit266750%
4/8
65%
6.5/10
44%
19.5/44
47%
8.5/18
       
RedQueen 1.1.98 64-bit266325%
1/4
55%
5.5/10
 0%
0/1
       
K2 0.95266282%
18/22
40%
4/10
  50%
5/10
      
Alaric 7072660 38%
3/8
 50%
0.5/1
       
Floyd 0.9 64-bit2657 62%
5/8
 45%
17/38
47%
15/32
      
Winter 0.2 64-bit265465%
6.5/10
  44%
7.5/17
       
CM10th Ogre2653 31%
2.5/8
 62%
10/16
88%
3.5/4
      
Philou 3.7.1 64-bit2650 50%
4/8
 33%
2/6
       
E.T. Chess 13.01.082649 62%
5/8
  48%
15.5/32
      
Drosophila 1.6 64-bit264845%
4.5/10
64%
14/22
         
Gandalf 7 64-bit264435%
3.5/10
  60%
6/10
75%
3/4
      
DanaSah 7.3263975%
3/4
  58%
7/12
55%
20.5/37
      
WyldChess 1.4 64-bit2639   44%
7/16
 25%
2.5/10
     
DanaSah 7.9263562%
2.5/4
   52%
23/44
      
NameEloECE
19.6.6.3
64-bit
ECE
20.1
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-bit263175%
3/4
75%
6/8
 67%
12/18
       
Nawito 1906262862%
10/16
83%
10/12
         
Orion 0.6 64-bit262866%
14.5/22
54%
6.5/12
         
WildCat 8262875%
7.5/10
44%
3.5/8
         
Rodin 8.0262738%
1.5/4
56%
4.5/8
 66%
25/38
       
Delocto 0.61n 64-bit262640%
4/10
62%
5/8
         
Igel 1.2 64-bit2626   32%
4.5/14
38%
13.5/36
      
Ruffian 2.1.02623  50%
0.5/1
75%
1.5/2
       
Caligula 0.9g262165%
6.5/10
31%
2.5/8
         
Phalanx XXV261850%
2/4
56%
4.5/8
 62%
12.5/20
 45%
4.5/10
     
Hamsters 0.7.1261730%
3/10
81%
6.5/8
 0%
0/1
       
K2 0.912615   59%
9.5/16
50%
4/8
      
Topple 0.3.3 64-bit261580%
8/10
  56%
22.5/40
       
Nawito 1812259850%
5/10
   65%
13/20
      
Gogobello 1.2 64-bit2596   50%
1/2
 29%
4/14
     
Muse 0.953 64-bit2594   56%
9/16
 35%
3.5/10
     
Betsabe II 1.96259268%
9.5/14
62%
2.5/4
         
Brutus 8.05 64-bit2589   0%
0/2
100%
4/4
35%
3.5/10
     
Coiled 0.6 64-bit258562%
2.5/4
  50%
2/4
56%
4.5/8
      
Donna 4.1 64-bit258456%
4.5/8
   75%
3/4
      
NameEloECE
19.6.6.3
64-bit
ECE
20.1
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 0.872583   48%
9.5/20
 40%
4/10
25%
2.5/10
    
Jellyfish 1.1 64-bit2580   25%
0.5/2
58%
18.5/32
      
Delocto 0.6 64-bit2579   62%
10/16
62%
5/8
      
Capivara LK 0.09b02g 64-bit2562     65%
6.5/10
65%
6.5/10
    
Jumbo 0.7.0 64-bit255869%
12.5/18
62%
2.5/4
         
Ghost 3 64-bit2557     45%
4.5/10
45%
4.5/10
    
Detroid 1.0.1 64-bit255475%
7.5/10
25%
1/4
         
Ghost 3.1 64-bit2551   66%
10.5/16
 34%
5.5/16
     
Raven 1.0 64-bit255181%
14.5/18
88%
3.5/4
         
Betsabe II 1.842545   62%
20/32
72%
23/32
      
nanoSzachy 4.0 64-bit2544     25%
2.5/10
30%
3/10
    
FrankWalter 2.4.0 64-bit2541 75%
3/4
  60%
20.5/34
      
chess22k 1.3 64-bit253870%
7/10
    46%
6.5/14
     
Maverick 1.5 64-bit2536    53%
17/32
47%
8.5/18
38%
1.5/4
    
Hermann 2.8 64-bit2528     35%
3.5/10
40%
4/10
    
CyberPagno 3.0 64-bit251482%
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-bit2510     35%
3.5/10
32%
4.5/14
    
Dorky 4.5 64-bit2500     42%
7.5/18
50%
2/4
    
Pupsi2 0.092499     70%
7/10
45%
4.5/10
25%
1/4
   
NameEloECE
19.6.6.3
64-bit
ECE
20.1
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-bit2497     30%
3/10
61%
5.5/9
    
Pepito 1.59.2 64-bit2495     55%
5.5/10
65%
6.5/10
25%
0.5/2
   
Yace 0.99.872487  100%
1/1
  55%
5.5/10
50%
5/10
    
Cerebro 3.03d2480     70%
7/10
65%
6.5/10
    
Quark 2.352469     45%
4.5/10
55%
5.5/10
    
Betsabe II 1.662464     44%
3.5/8
62%
2.5/4
    
Carballo 1.22463     50%
5/10
50%
5/10
    
Nemeton 1.512453     61%
11/18
61%
8.5/14
    
Bumblebee 1.0.36898e1 64-bit2447     38%
1.5/4
75%
3/4
    
Lozza 1.17a 64-bit2443     56%
10/18
68%
9.5/14
35%
3.5/10
   
Shallow r694 64-bit2442     71%
10/14
65%
6.5/10
    
Eeyore 1.52 64-bit2441     90%
9/10
70%
7/10
    
TJchess 1.3 64-bit2434     78%
14/18
43%
6/14
    
Ifrit m1.8 64-bit2413     65%
6.5/10
60%
6/10
47%
8.5/18
   
Ares 1.0042373       25%
1/4
38%
1.5/4
  
iCE 0.22371       38%
1.5/4
18%
5/28
  
Ghost 2.0.12342       50%
4/8
25%
1/4
  
Daydreamer 1.52336       33%
1/3
  0%
0/4
Anechka 0.082301       50%
2/4
50%
1/2
  
Natwarlal 0.142298       100%
2/2
0%
0/2
  
NameEloECE
19.6.6.3
64-bit
ECE
20.1
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 2.4.32289       38%
1.5/4
46%
5.5/12
  
Butcher 1.61 32-bit2285       55%
5.5/10
62%
2.5/4
  
AliChess 4.252282       67%
8/12
20%
2/10
  
Sungorus 1.4 32-bit2260       75%
6/8
28%
5/18
  
Protej 0.5.8c2256100%
1/1
  100%
1/1
       
Atak 6.82237       75%
3/4
32%
7/22
  
Dolphin 1.0 64-bit2230       88%
3.5/4
33%
2/6
  
Hussar 0.22224        50%
7/14
0%
0/1
 
Bearded N44.22223       100%
2/2
38%
1.5/4
  
Beowulf 2.4a 32-bit2218        50%
12/24
0%
0/4
 
Gibbon 2.52a2217        55%
5.5/10
42%
2.5/6
 
Adam 3.32211       25%
0.5/2
48%
10.5/22
  
Myrddin 0.85 32-bit2206       75%
1.5/2
33%
4/12
  
Jazz 501 32-bit2205       50%
1/2
62%
5/8
  
BlackBishop 1.02202        83%
5/6
25%
1.5/6
 
NagaSkaki 5.122186        50%
2/4
 25%
0.5/2
KMTChess 1.2.1 32-bit2182        53%
8.5/16
17%
1/6
 
Lime 662182         28%
9/32
0%
0/4
KnockOut 0.7.12152        50%
11/22
31%
2.5/8
 
Prophet 2.0 32-bit2138        50%
1/2
35%
12.5/36
 
NameEloECE
19.6.6.3
64-bit
ECE
20.1
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 07.07.222136        100%
2/2
 8%
0.5/6
Adam 3.22135        50%
1/2
46%
6/13
 
TJchess 0.1212134         25%
2/8
0%
0/6
Bearded 06_29_022131        58%
3.5/6
36%
4/11
 
Ifrit j4.22124        58%
10.5/18
0%
0/1
 
Clarabit 1.00 32-bit2116        75%
1.5/2
 10%
1/10
Kurt 0.9.2 32-bit2114        48%
9.5/20
60%
3/5
 
Myrddin 0.84 32-bit2111        75%
1.5/2
0%
0/5
 
Adam 3.12109         45%
14.5/32
10%
1/10
Carballo 0.52097        53%
8.5/16
43%
6.5/15
 
FireFly 2.5.6 32-bit2088        75%
1.5/2
40%
6/15
25%
2/8
BikJump 2.01 32-bit2084        75%
1.5/2
36%
5/14
32%
5.5/17
Soldat III 0.178 64-bit2070       100%
2/2
 67%
4/6
 
Sjakk 1.1.62067        50%
1/2
60%
3/5
 
BigLion 2.23x2066         62%
2.5/4
32%
4.5/14
Protej 0.5.72054        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 0.3.25002049         40%
4/10
12%
0.5/4
PLP 16615712048        75%
3/4
57%
8.5/15
0%
0/1
Jabba 1.0 32-bit2044        75%
6/8
57%
13/23
50%
0.5/1
NameEloECE
19.6.6.3
64-bit
ECE
20.1
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 0.5.12025        50%
2/4
25%
4.5/18
 
Bubble 1.52011       100%
2/2
50%
3/6
  
Kurt 2710091998         60%
6/10
100%
1/1
Cupcake 1.01994       75%
1.5/2
 67%
4/6
 
Schola 1.1.0 32-bit1992         61%
11/18
44%
3.5/8
Heracles 0.6.161982         60%
6/10
37%
16/43
Feuerstein 0.4.4.21954         83%
5/6
54%
31/57
Micro-Max 4.8 (DM-PII)1942         62%
2.5/4
52%
26/50
MatMoi 7.15.0-cct 32-bit1938        88%
3.5/4
90%
9/10
 
Reger 0.091908         68%
9.5/14
43%
3/7
Warrior 1.0.31906         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):
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
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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 May 8, 2021