CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 11 engines!
11 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 15, 2021 with Bayeselo based on 1'244'261 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+
1BugChess2 1.9 64-bit 4CPU2837+21−2143.4%+44.238.2%738 
100.0%
 BugChess2 1.9 64-bit2760+13−1348.3%+10.036.5%1929
98.3%
 BugChess2 1.9 32-bit2732+21−2149.8%+1.237.1%733
98.7%
 BugChess2 1.7 32-bit2698+22−2251.8%−13.837.1%665
96.8%
 BugChess2 1.6.4 64-bit2661+32−3247.9%+13.837.7%313
56.1%
 BugChess2 1.6.4 32-bit2658+22−2247.9%+12.240.9%634
99.4%
 BugChess2 1.6.3 32-bit2620+19−1947.4%+18.437.7%928
99.9%
 BugChess2 1.5.22563+29−2948.1%+14.132.1%402
66.1%
 BugChess2 1.6.22554+32−3248.1%+12.536.6%309
82.7%
 BugChess2 1.5.12531+33−3351.6%−10.532.9%313
100.0%
 BugChess2 1.4.12357+33−3351.4%−11.732.4%312
 

Results matrix

Custom engine selection
#NameElo1234567891011
1BugChess2 1.9 64-bit 4CPU2837           
2BugChess2 1.9 64-bit2760           
3BugChess2 1.9 32-bit2732           
4BugChess2 1.7 32-bit2698           
5BugChess2 1.6.4 64-bit2661           
6BugChess2 1.6.4 32-bit2658           
7BugChess2 1.6.3 32-bit2620           
8BugChess2 1.5.22563           
9BugChess2 1.6.22554           
10BugChess2 1.5.12531           
11BugChess2 1.4.12357           
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
1BugChess2 1.9 64-bit 4CPU2837 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2BugChess2 1.9 64-bit27600.0 98.3100.0100.0100.0100.0100.0100.0100.0100.0
3BugChess2 1.9 32-bit27320.01.7 98.7100.0100.0100.0100.0100.0100.0100.0
4BugChess2 1.7 32-bit26980.00.01.3 96.899.4100.0100.0100.0100.0100.0
5BugChess2 1.6.4 64-bit26610.00.00.03.2 56.198.3100.0100.0100.0100.0
6BugChess2 1.6.4 32-bit26580.00.00.00.643.9 99.4100.0100.0100.0100.0
7BugChess2 1.6.3 32-bit26200.00.00.00.01.70.6 99.9100.0100.0100.0
8BugChess2 1.5.225630.00.00.00.00.00.00.1 66.192.1100.0
9BugChess2 1.6.225540.00.00.00.00.00.00.033.9 82.7100.0
10BugChess2 1.5.125310.00.00.00.00.00.00.07.917.3 100.0
11BugChess2 1.4.123570.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1BugChess2 1.9 64-bit 4CPU2837 821800000000
2BugChess2 1.9 64-bit276082 2422171961261103336120
3BugChess2 1.9 32-bit273218242 64661651236256420
4BugChess2 1.7 32-bit26980217646 10836930761123680
5BugChess2 1.6.4 64-bit266101966108 2311813327120
6BugChess2 1.6.4 32-bit26580126165369231 50183226450
7BugChess2 1.6.3 32-bit26200110123307181501 257385878
8BugChess2 1.5.2256303362613383257 14617722
9BugChess2 1.6.225540365612327226385146 8718
10BugChess2 1.5.12531012426812458717787 60
11BugChess2 1.4.123570000008221860 
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
1BugChess2 1.9 64-bit 4CPU2837 3.11.20.00.00.00.00.00.00.00.0
2BugChess2 1.9 64-bit27603.1 9.18.48.74.93.91.41.60.50.0
3BugChess2 1.9 32-bit27321.29.1 46.20.612.17.45.55.44.00.0
4BugChess2 1.7 32-bit26980.08.446.2 11.028.419.35.712.67.00.0
5BugChess2 1.6.4 64-bit26610.08.70.611.0 24.414.64.64.31.90.0
6BugChess2 1.6.4 32-bit26580.04.912.128.424.4 32.18.024.04.80.0
7BugChess2 1.6.3 32-bit26200.03.97.419.314.632.1 19.331.17.00.6
8BugChess2 1.5.225630.01.45.55.74.68.019.3 20.524.83.1
9BugChess2 1.6.225540.01.65.412.64.324.031.120.5 14.02.9
10BugChess2 1.5.125310.00.54.07.01.94.87.024.814.0 9.6
11BugChess2 1.4.123570.00.00.00.00.00.00.63.12.99.6 
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 134 common opponents

Custom engine selection
NameEloBugChess2
1.9
64-bit
4CPU
BugChess2
1.9
64-bit
BugChess2
1.9
32-bit
BugChess2
1.7
32-bit
BugChess2
1.6.4
64-bit
BugChess2
1.6.4
32-bit
BugChess2
1.6.3
32-bit
BugChess2
1.5.2
BugChess2
1.6.2
BugChess2
1.5.1
BugChess2
1.4.1
Gull 1.2 64-bit291850%
1/2
25%
0.5/2
         
Hannibal 1.2 64-bit291575%
1.5/2
25%
1.5/6
         
Quazar 0.4 64-bit290438%
1.5/4
27%
11.5/42
         
Thinker 5.4d Inert 32-bit2856  50%
0.5/1
  25%
1/4
     
Rodent 1.7 64-bit285025%
1/4
25%
2.5/10
         
Gull 0.11a 32-bit2847   38%
1.5/4
 50%
0.5/1
     
Nemo 1.0.1 64-bit284750%
3/6
22%
5.5/25
         
Booot 5.1.0284342%
2.5/6
12%
1.5/12
21%
3/14
        
Deep Junior 11.1a 32-bit2831   38%
1.5/4
 0%
0/2
     
Protector 1.3.5 32-bit2828   42%
2.5/6
 50%
0.5/1
     
Murka 3 64-bit282338%
1.5/4
0%
0/2
         
Spark 0.4 32-bit2821   25%
1/4
 0%
0/1
     
Deep Junior 11.2 32-bit2816   42%
2.5/6
 100%
1/1
     
TheMadPrune 1.1.252805 25%
0.5/2
    0%
0/2
    
Hannibal 1.0a 32-bit2800  50%
7/14
50%
5/10
       
Texel 1.01 64-bit278650%
1/2
52%
14.5/28
         
Onno 1.2.70 32-bit2785  56%
4.5/8
34%
7.5/22
 0%
0/1
     
Bright 0.5c2778 62%
18.5/30
0%
0/3
25%
1/4
       
Bright 0.4a2776  45%
4.5/10
   32%
7/22
    
Jonny 4.002776 43%
21.5/50
37%
12.5/34
38%
7.5/20
       
NameEloBugChess2
1.9
64-bit
4CPU
BugChess2
1.9
64-bit
BugChess2
1.9
32-bit
BugChess2
1.7
32-bit
BugChess2
1.6.4
64-bit
BugChess2
1.6.4
32-bit
BugChess2
1.6.3
32-bit
BugChess2
1.5.2
BugChess2
1.6.2
BugChess2
1.5.1
BugChess2
1.4.1
Naraku 1.42774 57%
26/46
38%
6/16
        
Loop 13.6 (Loop 2007) 32-bit2773  75%
3/4
44%
3.5/8
       
SmarThink 1.20 64-bit2763 41%
11.5/28
  40%
9.5/24
      
Ktulu 92752 50%
7/14
36%
2.5/7
45%
10/22
 33%
7/21
     
Scorpio 2.7 32-bit2749  40%
14.5/36
52%
11.5/22
       
SmarThink 1.20 32-bit2746  25%
1/4
25%
1.5/6
       
Spike 1.2 Turin2745   50%
5/10
40%
9.5/24
 50%
1/2
    
Tornado 4.4 32-bit2744  52%
14/27
38%
7.5/20
       
MinkoChess 1.1 32-bit2740  38%
1.5/4
58%
7/12
       
Chronos 1.9.9 32-bit2739  44%
15/34
38%
10/26
 38%
1.5/4
     
Twisted Logic 20100131x 32-bit2736  12%
0.5/4
  33%
2/6
     
Crafty 23.4 32-bit2732  55%
32.5/59
42%
8.5/20
       
Bison 9.11 32-bit2727  65%
15/23
39%
7/18
 38%
4.5/12
     
Twisted Logic 200806202723      0%
0/2
 0%
0/2
  
Ktulu 82706     0%
0/1
42%
16.5/39
25%
0.5/2
38%
1.5/4
  
Chess Tiger 2007.12703 75%
4.5/6
75%
1.5/2
67%
4/6
  12%
0.5/4
    
Chessmaster 11 Archangel2702  50%
1/2
50%
2/4
  44%
15/34
    
Chessmaster 11 Conqueror2695 62%
2.5/4
50%
4/8
        
Crafty 23.2 32-bit2695   12%
0.5/4
 47%
7/15
     
Frenzee Feb08 32-bit2695  50%
1/2
  25%
0.5/2
50%
3/6
    
NameEloBugChess2
1.9
64-bit
4CPU
BugChess2
1.9
64-bit
BugChess2
1.9
32-bit
BugChess2
1.7
32-bit
BugChess2
1.6.4
64-bit
BugChess2
1.6.4
32-bit
BugChess2
1.6.3
32-bit
BugChess2
1.5.2
BugChess2
1.6.2
BugChess2
1.5.1
BugChess2
1.4.1
Booot 4.15.02693    25%
6/24
40%
12/30
25%
1/4
    
Chessmaster 11 Aiglos II2693 75%
4.5/6
 38%
1.5/4
 0%
0/1
50%
1/2
 33%
2/6
  
Delfi 5.42689 65%
15.5/24
50%
1/2
38%
1.5/4
52%
12.5/24
41%
14/34
58%
3.5/6
 25%
1/4
  
Chess Tiger 20072682     43%
9/21
50%
16.5/33
 50%
2/4
  
Chessmaster 11 Toxic2682   17%
1/6
  50%
2/4
 25%
0.5/2
  
Chessmaster 11 Leonidas2680 62%
2.5/4
 60%
6/10
 75%
1.5/2
50%
1/2
    
Naraku 1.312675  60%
6/10
69%
11/16
       
Deuterium 10.01.27.2132668 54%
13/24
75%
7.5/10
45%
4.5/10
       
Booot 4.14.02667      25%
0.5/2
35%
8.5/24
   
Daydreamer 1.75 32-bit2667  69%
18/26
52%
22/42
 60%
6/10
     
Movei 00.8.438 (10 10 10)2666 77%
18.5/24
 0%
0/4
56%
13.5/24
38%
1.5/4
54%
6.5/12
36%
4/11
   
LoopList 6.002665  50%
5/10
    8%
0.5/6
   
Chessmaster 112664   50%
2/4
  25%
1/4
50%
1/2
88%
3.5/4
  
Alaric 7072661 52%
12.5/24
 58%
3.5/6
42%
10/24
88%
3.5/4
15%
1.5/10
 38%
1.5/4
50%
2/4
 
CM10th Lazarus2661       100%
1/1
 25%
1/4
 
CM10th Xperience2661     0%
0/1
33%
1/3
67%
2/3
   
Frenzee Dec07 32-bit2659  60%
6/10
    44%
10.5/24
   
CM10th Paralyse2654   62%
2.5/4
  100%
2/2
 100%
1/1
50%
3/6
 
Scorpio 2.0 32-bit2654       29%
3.5/12
25%
0.5/2
  
E.T. Chess 13.01.082650   42%
2.5/6
 36%
5/14
47%
20/43
23%
5/22
60%
3/5
  
NameEloBugChess2
1.9
64-bit
4CPU
BugChess2
1.9
64-bit
BugChess2
1.9
32-bit
BugChess2
1.7
32-bit
BugChess2
1.6.4
64-bit
BugChess2
1.6.4
32-bit
BugChess2
1.6.3
32-bit
BugChess2
1.5.2
BugChess2
1.6.2
BugChess2
1.5.1
BugChess2
1.4.1
Cyrano 0.6b17 32-bit2648   50%
2/4
 47%
7.5/16
40%
14/35
 33%
2/6
  
Movei 00.8.4382646  75%
1.5/2
      38%
1.5/4
 
CM10th Magic II2644     32%
6.5/20
50%
1/2
    
Colossus 2008b2643   62%
7.5/12
40%
9.5/24
45%
12.5/28
41%
11.5/28
 0%
0/1
  
Chronos 1.9.72640    54%
13/24
66%
12.5/19
44%
4/9
    
CM10th Guardian2639     25%
1/4
   0%
0/2
 
Slow Chess Blitz WV2.12637     62%
2.5/4
50%
3/6
 100%
1/1
  
Gandalf 62635   75%
3/4
  67%
4/6
50%
3/6
50%
0.5/1
  
CM9000 Assassin2634      0%
0/2
 75%
1.5/2
  
CM10th Default2631       38%
1.5/4
75%
1.5/2
50%
1/2
 
Crafty 23.0 32-bit2630     50%
0.5/1
50%
12.5/25
    
WildCat 82629  45%
4.5/10
  75%
6/8
54%
15/28
17%
1/6
21%
1.5/7
  
Ruffian 2.1.02624      62%
5/8
 50%
0.5/1
0%
0/4
 
Deuterium 11.01.28.1592620  66%
10.5/16
88%
3.5/4
       
Bison 9.62619  60%
6/10
  100%
1/1
40%
2/5
    
Hamsters 0.7.12618   71%
8.5/12
 59%
9.5/16
40%
10.5/26
    
ProDeo 1.62618      57%
8/14
64%
4.5/7
50%
2.5/5
  
Bison 9.8 32-bit2616     50%
0.5/1
46%
18.5/40
    
Colossus 2007d2614       42%
2.5/6
25%
0.5/2
57%
8/14
 
Pharaon 3.5.12614      38%
1.5/4
 100%
1/1
  
NameEloBugChess2
1.9
64-bit
4CPU
BugChess2
1.9
64-bit
BugChess2
1.9
32-bit
BugChess2
1.7
32-bit
BugChess2
1.6.4
64-bit
BugChess2
1.6.4
32-bit
BugChess2
1.6.3
32-bit
BugChess2
1.5.2
BugChess2
1.6.2
BugChess2
1.5.1
BugChess2
1.4.1
Alaric 0702b2606     0%
0/1
50%
0.5/1
50%
3/6
 25%
0.5/2
 
Naum 1.91 32-bit2606       50%
0.5/1
25%
0.5/2
  
Alfil 8.1.12601     67%
4/6
56%
33.5/60
50%
1/2
38%
5/13
  
Colossus 2007c2600       62%
2.5/4
 50%
2/4
 
Deuterium 09.01.26.4922600   38%
1.5/4
 81%
6.5/8
     
Sloppy 0.2.2 32-bit2599  81%
6.5/8
60%
12/20
 46%
5.5/12
54%
13/24
 50%
3.5/7
40%
4/10
 
Aristarch 4.502597       38%
1.5/4
 25%
1/4
 
The Baron 2.23 32-bit2595   62%
2.5/4
 54%
6.5/12
62%
31/50
 31%
13.5/43
  
Pseudo 0.7c2592   38%
1.5/4
  67%
4/6
17%
0.5/3
100%
1/1
75%
1.5/2
 
The Baron 1.8.12592       50%
1/2
 50%
2/4
 
Hamsters 0.62590       47%
7.5/16
25%
1/4
  
Rotor 0.62589  88%
10.5/12
50%
6/12
       
Petir 4.9999992579     75%
1.5/2
46%
11/24
65%
6.5/10
50%
2.5/5
75%
4.5/6
 
Frenzee 3.0 32-bit2578       75%
1.5/2
75%
1.5/2
  
Critter 0.40 32-bit2577     100%
2/2
75%
3/4
    
RedQueen 0.9.8 32-bit2577  69%
5.5/8
62%
2.5/4
    70%
7/10
40%
4/10
 
ProDeo 1.1 Silver2575       42%
2.5/6
 33%
2/6
 
N2 0.4 32-bit2568   67%
8/12
 56%
4.5/8
     
Brutus 8.05 32-bit2567   88%
3.5/4
 78%
12.5/16
     
Cyrano 0.52566     72%
14.5/20
  44%
15.5/35
  
NameEloBugChess2
1.9
64-bit
4CPU
BugChess2
1.9
64-bit
BugChess2
1.9
32-bit
BugChess2
1.7
32-bit
BugChess2
1.6.4
64-bit
BugChess2
1.6.4
32-bit
BugChess2
1.6.3
32-bit
BugChess2
1.5.2
BugChess2
1.6.2
BugChess2
1.5.1
BugChess2
1.4.1
Arasan 12.3 32-bit2565  75%
6/8
62%
2.5/4
       
Crafty 22.1 32-bit2565      62%
20.5/33
58%
3.5/6
40%
2/5
  
Rotor 0.52565   50%
2/4
  57%
4/7
    
SOS 5.12564      58%
3.5/6
50%
1/2
100%
1/1
  
Tornado 2.22552     70%
14/20
50%
1/2
    
Crafty 21.6 32-bit2550       50%
1/2
  8%
0.5/6
Ufim 8.022544   88%
3.5/4
  25%
1/4
38%
1.5/4
50%
0.5/1
  
AnMon 5.752539 100%
1/1
 62%
7.5/12
       
Twisted Logic 0.099x2524        75%
1.5/2
38%
1.5/4
 
GarboChess 2.20 32-bit2523      75%
3/4
88%
3.5/4
70%
3.5/5
  
Twisted Logic 0.080b262522       12%
0.5/4
 25%
0.5/2
 
Sloppy 0.1.02521        75%
1.5/2
50%
2/4
 
Arasan 10.0 32-bit2510       85%
8.5/10
 25%
2/8
 
Cerebro 3.03d2481      88%
3.5/4
 75%
1.5/2
  
Matacz 1.42479   75%
3/4
  75%
3/4
    
Matacz 1.32478       70%
7/10
 72%
6.5/9
 
Anatoli 0.35k2475      75%
3/4
75%
1.5/2
50%
1/2
  
Arasan 10.42471      100%
1/1
 50%
2/4
  
Twisted Logic 200709152438       50%
3/6
 36%
5/14
50%
2/4
Typhoon 1.00-3582435      75%
3/4
 75%
3/4
  
NameEloBugChess2
1.9
64-bit
4CPU
BugChess2
1.9
64-bit
BugChess2
1.9
32-bit
BugChess2
1.7
32-bit
BugChess2
1.6.4
64-bit
BugChess2
1.6.4
32-bit
BugChess2
1.6.3
32-bit
BugChess2
1.5.2
BugChess2
1.6.2
BugChess2
1.5.1
BugChess2
1.4.1
DanaSah 3.632428       75%
3/4
 75%
7.5/10
 
PostModernist 10162418       75%
1.5/2
 50%
1/2
 
Typhoon 1.00-3142411         50%
1/2
35%
7/20
Diablo 0.5.12410         100%
2/2
0%
0/2
Queen 4.032410      75%
3/4
   62%
2.5/4
Hermann 2.02408       88%
3.5/4
 25%
0.5/2
 
Delphil 1.82399         70%
7/10
25%
1/4
RomiChess P3L 32-bit2383        70%
7/10
 25%
2/8
Hamsters 0.22381       62%
2.5/4
 100%
2/2
0%
0/2
Aice 0.99.22340         88%
3.5/4
75%
1.5/2
LittleThought 1.00 32-bit2327         100%
1/1
38%
3/8
Zeus 1.292304         100%
2/2
67%
4/6
Natwarlal 0.142299         75%
1.5/2
100%
2/2
Zeus 1.282284         50%
1/2
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%

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 May 15, 2021