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 8 engines!
8 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 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+
1Atlas 3.91 64-bit2897+13−1349.6%−0.939.8%2020 
100.0%
 Atlas 3.80 64-bit2846+14−1448.9%+6.842.3%1666
100.0%
 Atlas 3.70em 64-bit2786+22−2248.8%+7.537.8%688
100.0%
 Atlas 3.60 64-bit2687+22−2348.9%+7.537.4%645
92.8%
 Atlas 3.50 64-bit2658+31−3149.0%+6.034.2%348
100.0%
 Atlas 3.25 64-bit2569+28−2850.7%−1.629.7%444
100.0%
 Atlas 3.14b 32-bit2401+25−2549.2%+5.330.5%551
100.0%
 Atlas 2.202208+34−3449.7%−0.123.5%319
 

Results matrix

Custom engine selection
#NameElo12345678
1Atlas 3.91 64-bit2897        
2Atlas 3.80 64-bit2846        
3Atlas 3.70em 64-bit2786        
4Atlas 3.60 64-bit2687        
5Atlas 3.50 64-bit2658        
6Atlas 3.25 64-bit2569        
7Atlas 3.14b 32-bit2401        
8Atlas 2.202208        
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
1Atlas 3.91 64-bit2897 100.0100.0100.0100.0100.0100.0100.0
2Atlas 3.80 64-bit28460.0 100.0100.0100.0100.0100.0100.0
3Atlas 3.70em 64-bit27860.00.0 100.0100.0100.0100.0100.0
4Atlas 3.60 64-bit26870.00.00.0 92.8100.0100.0100.0
5Atlas 3.50 64-bit26580.00.00.07.2 100.0100.0100.0
6Atlas 3.25 64-bit25690.00.00.00.00.0 100.0100.0
7Atlas 3.14b 32-bit24010.00.00.00.00.00.0 100.0
8Atlas 2.2022080.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Atlas 3.91 64-bit2897 45390226604
2Atlas 3.80 64-bit2846453 525156742000
3Atlas 3.70em 64-bit278690525 2971186100
4Atlas 3.60 64-bit268722156297 287167200
5Atlas 3.50 64-bit2658674118287 229200
6Atlas 3.25 64-bit256962061167229 60
7Atlas 3.14b 32-bit240100020206 27
8Atlas 2.20220840000027 
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
1Atlas 3.91 64-bit2897 12.33.30.80.30.20.00.2
2Atlas 3.80 64-bit284612.3 22.36.83.70.90.00.0
3Atlas 3.70em 64-bit27863.322.3 22.311.45.40.00.0
4Atlas 3.60 64-bit26870.86.822.3 28.915.31.70.0
5Atlas 3.50 64-bit26580.33.711.428.9 28.92.20.0
6Atlas 3.25 64-bit25690.20.95.415.328.9 0.60.0
7Atlas 3.14b 32-bit24010.00.00.01.72.20.6 3.1
8Atlas 2.2022080.20.00.00.00.00.03.1 
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 109 common opponents

Custom engine selection
NameEloAtlas
3.91
64-bit
Atlas
3.80
64-bit
Atlas
3.70em
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.14b
32-bit
Atlas
2.20
Senpai 2.0 64-bit303038%
4.5/12
  15%
1.5/10
    
Defenchess 1.1f 64-bit299533%
4/12
33%
2/6
      
Wasp 2.6 64-bit294553%
8.5/16
0%
0/2
      
Crafty 25.2 64-bit293048%
11.5/24
15%
1.5/10
      
Bobcat 8.0 64-bit292248%
9.5/20
0%
0/2
      
Cheng 4.39 64-bit2918100%
1/1
45%
13.5/30
      
Spike 1.4 Leiden291325%
1/4
25%
2.5/10
      
Hannibal 1.2 32-bit2904 35%
3.5/10
38%
1.5/4
     
Quazar 0.4 64-bit290375%
3/4
34%
5.5/16
      
EXchess 7.97b 64-bit289355%
21/38
48%
12.5/26
      
Spark 1.0 64-bit289150%
2/4
46%
5.5/12
50%
1/2
     
iCE 2.0 64-bit2891 21%
1.5/7
42%
5/12
     
Deuterium 14.3.34.130 64-bit2889100%
2/2
47%
13.5/29
10%
1/10
     
Cheng4 0.38 64-bit2888 38%
1.5/4
33%
4/12
     
Ethereal 8.62 64-bit288357%
8/14
75%
7.5/10
      
Quazar 0.4 32-bit2878 50%
5/10
12%
0.5/4
     
Protector 1.4.0 32-bit2877 40%
4/10
62%
2.5/4
     
Scorpio 2.7.9 64-bit286550%
6.5/13
40%
4/10
      
Vajolet2 1.45 64-bit2865 55%
5.5/10
42%
5/12
     
Thinker 5.4d Inert 64-bit286350%
2/4
50%
1/2
0%
0/2
     
NameEloAtlas
3.91
64-bit
Atlas
3.80
64-bit
Atlas
3.70em
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.14b
32-bit
Atlas
2.20
Gaviota 1.0 64-bit285883%
5/6
34%
10.5/31
25%
1.5/6
     
Dirty 30Apr2017 64-bit285563%
14.5/23
100%
2/2
      
Zappa Mexico II 64-bit285288%
3.5/4
56%
4.5/8
50%
1/2
     
MinkoChess 1.3 64-bit2851 50%
2.5/5
0%
0/2
     
Toga II 3.02849 58%
3.5/6
65%
6.5/10
     
DisasterArea 1.65 64-bit284650%
1/2
48%
15.5/32
      
Nemo 1.0.1 64-bit2846100%
3/3
52%
12.5/24
75%
1.5/2
     
Tornado 8.0 64-bit284268%
15/22
50%
6/12
      
Fruit Reloaded 3.2.1 64-bit283654%
15/28
55%
5.5/10
      
Onno 1.2.70 64-bit2833 56%
4.5/8
50%
1/2
     
DisasterArea 1.54 64-bit2826 49%
18.5/38
50%
1/2
     
Murka 3 64-bit282275%
1.5/2
64%
13.5/21
58%
3.5/6
 25%
2.5/10
   
Tornado 4.88 64-bit2818 65%
6.5/10
75%
1.5/2
     
Tornado 6.0 64-bit2818 56%
4.5/8
47%
7.5/16
     
EXchess 7.51b 64-bit2815 46%
6.5/14
42%
5/12
     
GNU Chess 5.60 64-bit281358%
7/12
47%
8.5/18
48%
10.5/22
     
Crafty 24.1 64-bit2802 54%
6.5/12
61%
11/18
     
Hannibal 1.0a 32-bit2799  75%
3/4
30%
3/10
    
Cheng4 0.36c 64-bit2797  47%
8/17
25%
1/4
    
Rhetoric 1.4.3 64-bit279272%
11.5/16
74%
12.5/17
      
NameEloAtlas
3.91
64-bit
Atlas
3.80
64-bit
Atlas
3.70em
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.14b
32-bit
Atlas
2.20
Loop 13.6 (Loop 2007) 64-bit278862%
7.5/12
75%
3/4
50%
1/2
     
Fizbo 1.1 64-bit2785 55%
5.5/10
 42%
8.5/20
    
Scorpio 2.7.6 64-bit2780 100%
2/2
42%
5/12
 75%
1.5/2
   
MinkoChess 1.2 32-bit2779  50%
2/4
35%
3.5/10
    
Pawny 1.2 64-bit277825%
0.5/2
50%
2/4
      
Rhetoric 1.4.1 64-bit2775 75%
21/28
25%
1.5/6
     
Naraku 1.42773 0%
0/2
0%
0/2
     
Frenzee 3.5.19 64-bit2772 75%
1.5/2
100%
2/2
 50%
1/2
   
Octochess r5190 64-bit2771 71%
10/14
41%
6.5/16
25%
1/4
50%
1/2
   
Twisted Logic 20100131x 64-bit277079%
9.5/12
64%
9/14
      
Dirty 20Apr2013 64-bit2768 50%
2/4
58%
7/12
45%
4.5/10
25%
0.5/2
   
BugChess2 1.9 64-bit275950%
0.5/1
62%
7.5/12
75%
1.5/2
     
Rodent 1.4 64-bit2758  50%
3.5/7
15%
1.5/10
    
GNU Chess 5.50 64-bit2756  65%
6.5/10
50%
2/4
0%
0/2
   
Bison 9.11 64-bit2755 75%
1.5/2
50%
1/2
     
Ktulu 92752  25%
0.5/2
25%
0.5/2
    
Spike 1.2 Turin2744  50%
2/4
 55%
5.5/10
   
Chronos 1.9.9 64-bit2738  88%
3.5/4
50%
1/2
    
Arasan 16.2 64-bit2737   40%
4/10
25%
0.5/2
   
Pedone 1.0 64-bit2734 75%
10.5/14
70%
7/10
     
NameEloAtlas
3.91
64-bit
Atlas
3.80
64-bit
Atlas
3.70em
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.14b
32-bit
Atlas
2.20
Deuterium 13.1.31.113 64-bit2729   17%
0.5/3
25%
0.5/2
   
Godel 3.4.9 64-bit2726 75%
13.5/18
61%
8.5/14
42%
5/12
    
Bobcat 3.25 64-bit2724  100%
2/2
25%
0.5/2
 12%
0.5/4
  
Hakkapeliitta 2.0 64-bit2713 75%
3/4
71%
8.5/12
     
iCE 1.0 64-bit2705  67%
4/6
48%
10.5/22
45%
9/20
50%
0.5/1
  
Chess Tiger 2007.12703   50%
1/2
25%
0.5/2
   
Delfi 5.42689   25%
0.5/2
75%
1.5/2
   
Rodent 1.2 64-bit2689   35%
3.5/10
25%
0.5/2
   
Djinn 1.021 64-bit2667 56%
4.5/8
92%
5.5/6
50%
9/18
    
Tucano 4.00 64-bit2664  81%
6.5/8
58%
11.5/20
    
CM10th Lazarus2661   0%
0/2
25%
0.5/2
25%
0.5/2
  
Vajolet 2.032660    42%
7.5/18
44%
3.5/8
  
Pawny 1.0 64-bit2659 75%
3/4
38%
1.5/4
52%
11.5/22
62%
12.5/20
50%
2/4
  
RedQueen 1.1.97 64-bit2659 62%
2.5/4
 53%
9.5/18
    
Godel 2.3.7 64-bit2657   50%
4/8
 0%
0/2
  
The Baron 2.23 64-bit2655  75%
3/4
50%
1/2
    
Dirty 24Apr2011 64-bit2653  88%
3.5/4
65%
6.5/10
    
RedQueen 1.1.4 64-bit2652   61%
8.5/14
19%
1.5/8
   
Rotor 0.7a2651  88%
3.5/4
60%
6/10
 31%
2.5/8
  
Philou 3.7.1 64-bit2650  62%
2.5/4
44%
3.5/8
19%
1.5/8
25%
1/4
  
NameEloAtlas
3.91
64-bit
Atlas
3.80
64-bit
Atlas
3.70em
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.14b
32-bit
Atlas
2.20
Cyrano 0.6b17 64-bit2647  88%
3.5/4
75%
3/4
    
Cheng3 1.07 64-bit2634    62%
2.5/4
35%
3.5/10
  
CM10th Default2630    50%
1/2
50%
0.5/1
  
Alfil 13.1 64-bit2628  62%
2.5/4
50%
9/18
58%
3.5/6
44%
7/16
  
Rotor 0.82628   75%
9/12
40%
4/10
36%
2.5/7
  
Nebula 2.0 64-bit2620 100%
4/4
 71%
8.5/12
62%
5/8
30%
3/10
  
Tucano 3.00 64-bit2619   62%
2.5/4
47%
7.5/16
   
Zappa 1.1 64-bit2615    100%
2/2
0%
0/1
  
Naum 1.91 64-bit2609    100%
2/2
29%
2/7
  
Djinn 0.987 64-bit2600    55%
5.5/10
31%
2.5/8
  
Rodin 7.02600 75%
3/4
88%
3.5/4
54%
6.5/12
    
Glass 2.0 64-bit2597  75%
3/4
62%
5/8
58%
3.5/6
65%
11/17
  
Aristarch 4.502596    25%
0.5/2
0%
0/1
  
Djinn 0.992 64-bit2588   50%
2/4
75%
1.5/2
   
GarboChess 3.0 64-bit2585    100%
2/2
41%
7/17
  
Quazar 0.3b 32-bit2582   75%
7.5/10
75%
7.5/10
 40%
4/10
 
Tucano 2.00 64-bit2572    50%
3/6
68%
7.5/11
  
DanaSah 4.882555     62%
2.5/4
25%
0.5/2
 
Rodin 6.02550   62%
2.5/4
50%
1/2
83%
2.5/3
  
NirvanaChess 1.1 64-bit2549    75%
1.5/2
90%
4.5/5
  
NameEloAtlas
3.91
64-bit
Atlas
3.80
64-bit
Atlas
3.70em
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.14b
32-bit
Atlas
2.20
nanoSzachy 4.0 64-bit2544    62%
2.5/4
50%
13/26
  
DanaSah 5.062514    75%
1.5/2
50%
0.5/1
  
GreKo 10.2 64-bit2502    50%
1/2
100%
1/1
  
LittleThought 1.052 64-bit2497    25%
0.5/2
61%
5.5/9
  
Pepito 1.59.2 64-bit249575%
1.5/2
    88%
3.5/4
  
OliThink 5.3.0 32-bit2358      75%
6/8
12%
0.5/4
Amundsen 0.802328      100%
1/1
75%
1.5/2
Averno 0.81231475%
1.5/2
      50%
1/2
Sungorus 1.4 32-bit2260      62%
5/8
62%
2.5/4
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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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

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Match length (Minimum number of games to highlight with color):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021