CCRL 40/15
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 1'178'235 games
played by 2'711 programs

White wins: 406'134 (34.5%)
Black wins: 300'016 (25.5%)
Draws: 472'085 (40.1%)
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 September 19, 2020 with Bayeselo based on 1'178'235 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+
1Atlas 3.91 64-bit2898+13−1349.7%−2.139.5%1938 
100.0%
 Atlas 3.80 64-bit2848+14−1448.9%+6.342.3%1666
100.0%
 Atlas 3.70em 64-bit2788+22−2248.8%+6.637.8%688
100.0%
 Atlas 3.60 64-bit2687+22−2348.9%+8.237.4%645
92.7%
 Atlas 3.50 64-bit2659+31−3149.0%+5.934.2%348
100.0%
 Atlas 3.25 64-bit2569+28−2850.7%−1.029.7%444
100.0%
 Atlas 3.14b 32-bit2401+25−2549.2%+6.230.5%551
100.0%
 Atlas 2.202209+34−3449.7%−0.523.5%319
 

Results matrix

Custom engine selection
#NameElo12345678
1Atlas 3.91 64-bit2898        
2Atlas 3.80 64-bit2848        
3Atlas 3.70em 64-bit2788        
4Atlas 3.60 64-bit2687        
5Atlas 3.50 64-bit2659        
6Atlas 3.25 64-bit2569        
7Atlas 3.14b 32-bit2401        
8Atlas 2.202209        
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-bit2898 100.0100.0100.0100.0100.0100.0100.0
2Atlas 3.80 64-bit28480.0 100.0100.0100.0100.0100.0100.0
3Atlas 3.70em 64-bit27880.00.0 100.0100.0100.0100.0100.0
4Atlas 3.60 64-bit26870.00.00.0 92.7100.0100.0100.0
5Atlas 3.50 64-bit26590.00.00.07.3 100.0100.0100.0
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 2.2022090.00.00.00.00.00.00.0 
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-bit2898 44990226604
2Atlas 3.80 64-bit2848449 525156742000
3Atlas 3.70em 64-bit278890525 2971186100
4Atlas 3.60 64-bit268722156297 287167200
5Atlas 3.50 64-bit2659674118287 229200
6Atlas 3.25 64-bit256962061167229 60
7Atlas 3.14b 32-bit240100020206 27
8Atlas 2.20220940000027 
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-bit2898 12.53.40.90.30.30.00.2
2Atlas 3.80 64-bit284812.5 22.36.83.70.90.00.0
3Atlas 3.70em 64-bit27883.422.3 22.311.45.40.00.0
4Atlas 3.60 64-bit26870.96.822.3 28.915.31.70.0
5Atlas 3.50 64-bit26590.33.711.428.9 28.92.20.0
6Atlas 3.25 64-bit25690.30.95.415.328.9 0.60.0
7Atlas 3.14b 32-bit24010.00.00.01.72.20.6 3.1
8Atlas 2.2022090.20.00.00.00.00.03.1 
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-bit303338%
4.5/12
  15%
1.5/10
    
Defenchess 1.1f 64-bit299733%
4/12
33%
2/6
      
Wasp 2.6 64-bit294753%
8.5/16
0%
0/2
      
Crafty 25.2 64-bit293148%
11.5/24
15%
1.5/10
      
Bobcat 8.0 64-bit292448%
9.5/20
0%
0/2
      
Cheng 4.39 64-bit2921100%
1/1
45%
13.5/30
      
Spike 1.4 Leiden291425%
1/4
25%
2.5/10
      
Hannibal 1.2 32-bit2906 35%
3.5/10
38%
1.5/4
     
Quazar 0.4 64-bit290575%
3/4
34%
5.5/16
      
EXchess 7.97b 64-bit289353%
18/34
48%
12.5/26
      
Spark 1.0 64-bit289350%
2/4
46%
5.5/12
50%
1/2
     
iCE 2.0 64-bit2892 21%
1.5/7
42%
5/12
     
Deuterium 14.3.34.130 64-bit2891100%
2/2
47%
13.5/29
10%
1/10
     
Cheng4 0.38 64-bit2889 38%
1.5/4
33%
4/12
     
Ethereal 8.62 64-bit288557%
8/14
75%
7.5/10
      
Quazar 0.4 32-bit2879 50%
5/10
12%
0.5/4
     
Protector 1.4.0 32-bit2878 40%
4/10
62%
2.5/4
     
Vajolet2 1.45 64-bit2867 55%
5.5/10
42%
5/12
     
Scorpio 2.7.9 64-bit286650%
6.5/13
40%
4/10
      
Thinker 5.4d Inert 64-bit286450%
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-bit285983%
5/6
34%
10.5/31
25%
1.5/6
     
Dirty 30Apr2017 64-bit285663%
14.5/23
100%
2/2
      
MinkoChess 1.3 64-bit2854 50%
2.5/5
0%
0/2
     
Zappa Mexico II 64-bit285488%
3.5/4
56%
4.5/8
50%
1/2
     
Toga II 3.02850 58%
3.5/6
65%
6.5/10
     
DisasterArea 1.65 64-bit284850%
1/2
48%
15.5/32
      
Nemo 1.0.1 64-bit2847100%
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-bit283754%
15/28
55%
5.5/10
      
Onno 1.2.70 64-bit2835 56%
4.5/8
50%
1/2
     
DisasterArea 1.54 64-bit2827 49%
18.5/38
50%
1/2
     
Murka 3 64-bit282475%
1.5/2
64%
13.5/21
58%
3.5/6
 25%
2.5/10
   
Tornado 6.0 64-bit2820 56%
4.5/8
47%
7.5/16
     
Tornado 4.88 64-bit2819 65%
6.5/10
75%
1.5/2
     
EXchess 7.51b 64-bit2816 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-bit2803 54%
6.5/12
61%
11/18
     
Hannibal 1.0a 32-bit2800  75%
3/4
30%
3/10
    
Cheng4 0.36c 64-bit2798  47%
8/17
25%
1/4
    
Rhetoric 1.4.3 64-bit279472%
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-bit279062%
7.5/12
75%
3/4
50%
1/2
     
Fizbo 1.1 64-bit2786 55%
5.5/10
 42%
8.5/20
    
Scorpio 2.7.6 64-bit2781 100%
2/2
42%
5/12
 75%
1.5/2
   
MinkoChess 1.2 32-bit2780  50%
2/4
35%
3.5/10
    
Pawny 1.2 64-bit278025%
0.5/2
50%
2/4
      
Rhetoric 1.4.1 64-bit2776 75%
21/28
25%
1.5/6
     
Naraku 1.42774 0%
0/2
0%
0/2
     
Frenzee 3.5.19 64-bit2773 75%
1.5/2
100%
2/2
 50%
1/2
   
Octochess r5190 64-bit2772 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-bit2769 50%
2/4
58%
7/12
45%
4.5/10
25%
0.5/2
   
BugChess2 1.9 64-bit276050%
0.5/1
62%
7.5/12
75%
1.5/2
     
Rodent 1.4 64-bit2759  50%
3.5/7
15%
1.5/10
    
GNU Chess 5.50 64-bit2757  65%
6.5/10
50%
2/4
0%
0/2
   
Bison 9.11 64-bit2756 75%
1.5/2
50%
1/2
     
Ktulu 92752  25%
0.5/2
25%
0.5/2
    
Spike 1.2 Turin2745  50%
2/4
 55%
5.5/10
   
Arasan 16.2 64-bit2738   40%
4/10
25%
0.5/2
   
Chronos 1.9.9 64-bit2738  88%
3.5/4
50%
1/2
    
Pedone 1.0 64-bit2735 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-bit2727 75%
13.5/18
61%
8.5/14
42%
5/12
    
Bobcat 3.25 64-bit2725  100%
2/2
25%
0.5/2
 12%
0.5/4
  
Hakkapeliitta 2.0 64-bit2714 75%
3/4
71%
8.5/12
     
iCE 1.0 64-bit2706  67%
4/6
48%
10.5/22
45%
9/20
50%
0.5/1
  
Chess Tiger 2007.12704   50%
1/2
25%
0.5/2
   
Rodent 1.2 64-bit2690   35%
3.5/10
25%
0.5/2
   
Delfi 5.42689   25%
0.5/2
75%
1.5/2
   
Djinn 1.021 64-bit2668 56%
4.5/8
92%
5.5/6
50%
9/18
    
Tucano 4.00 64-bit2665  81%
6.5/8
58%
11.5/20
    
CM10th Lazarus2661   0%
0/2
25%
0.5/2
25%
0.5/2
  
Vajolet 2.032661    42%
7.5/18
44%
3.5/8
  
Pawny 1.0 64-bit2660 75%
3/4
38%
1.5/4
52%
11.5/22
62%
12.5/20
50%
2/4
  
RedQueen 1.1.97 64-bit2660 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-bit2656  75%
3/4
50%
1/2
    
Dirty 24Apr2011 64-bit2654  88%
3.5/4
65%
6.5/10
    
RedQueen 1.1.4 64-bit2653   61%
8.5/14
19%
1.5/8
   
Philou 3.7.1 64-bit2652  62%
2.5/4
44%
3.5/8
19%
1.5/8
25%
1/4
  
Cyrano 0.6b17 64-bit2649  88%
3.5/4
75%
3/4
    
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
Rotor 0.7a2644  88%
3.5/4
60%
6/10
 31%
2.5/8
  
Cheng3 1.07 64-bit2635    62%
2.5/4
35%
3.5/10
  
CM10th Default2632    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-bit2621 100%
4/4
 71%
8.5/12
62%
5/8
30%
3/10
  
Tucano 3.00 64-bit2620   62%
2.5/4
47%
7.5/16
   
Zappa 1.1 64-bit2615    100%
2/2
0%
0/1
  
Naum 1.91 64-bit2610    100%
2/2
29%
2/7
  
Djinn 0.987 64-bit2601    55%
5.5/10
31%
2.5/8
  
Rodin 7.02601 75%
3/4
88%
3.5/4
54%
6.5/12
    
Glass 2.0 64-bit2598  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-bit2589   50%
2/4
75%
1.5/2
   
GarboChess 3.0 64-bit2587    100%
2/2
41%
7/17
  
Quazar 0.3b 32-bit2583   75%
7.5/10
75%
7.5/10
 40%
4/10
 
Tucano 2.00 64-bit2573    50%
3/6
68%
7.5/11
  
DanaSah 4.882555     62%
2.5/4
25%
0.5/2
 
Rodin 6.02551   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-bit2546    62%
2.5/4
50%
13/26
  
DanaSah 5.062515    75%
1.5/2
50%
0.5/1
  
GreKo 10.2 64-bit2503    50%
1/2
100%
1/1
  
LittleThought 1.052 64-bit2500    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-bit2359      75%
6/8
12%
0.5/4
Amundsen 0.802329      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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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
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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on September 19, 2020