CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 11 engines!
11 selected engines played 0 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on July 11, 2019 with Bayeselo based on 1'066'603 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+
1BugChess2 1.9 64-bit 4CPU2838+21−2143.4%+43.938.2%738 
100.0%
 BugChess2 1.9 64-bit2761+14−1448.9%+6.535.4%1814
98.6%
 BugChess2 1.9 32-bit2732+21−2149.8%+1.337.1%733
98.8%
 BugChess2 1.7 32-bit2697+22−2251.8%−13.137.1%665
96.9%
 BugChess2 1.6.4 64-bit2660+32−3247.9%+14.437.7%313
56.2%
 BugChess2 1.6.4 32-bit2657+22−2247.9%+12.840.9%634
99.4%
 BugChess2 1.6.3 32-bit2620+19−1947.4%+17.637.7%928
99.9%
 BugChess2 1.5.22562+29−2948.1%+14.132.1%402
66.4%
 BugChess2 1.6.22553+32−3348.1%+12.336.6%309
86.1%
 BugChess2 1.5.12527+33−3351.3%−9.533.6%307
100.0%
 BugChess2 1.4.12356+33−3351.8%−14.232.1%302
 

Results matrix

Custom engine selection
#NameElo1234567891011
1BugChess2 1.9 64-bit 4CPU2838           
2BugChess2 1.9 64-bit2761           
3BugChess2 1.9 32-bit2732           
4BugChess2 1.7 32-bit2697           
5BugChess2 1.6.4 64-bit2660           
6BugChess2 1.6.4 32-bit2657           
7BugChess2 1.6.3 32-bit2620           
8BugChess2 1.5.22562           
9BugChess2 1.6.22553           
10BugChess2 1.5.12527           
11BugChess2 1.4.12356           
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 4CPU2838 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2BugChess2 1.9 64-bit27610.0 98.6100.0100.0100.0100.0100.0100.0100.0100.0
3BugChess2 1.9 32-bit27320.01.4 98.8100.0100.0100.0100.0100.0100.0100.0
4BugChess2 1.7 32-bit26970.00.01.2 96.999.4100.0100.0100.0100.0100.0
5BugChess2 1.6.4 64-bit26600.00.00.03.1 56.298.4100.0100.0100.0100.0
6BugChess2 1.6.4 32-bit26570.00.00.00.643.8 99.4100.0100.0100.0100.0
7BugChess2 1.6.3 32-bit26200.00.00.00.01.60.6 99.9100.0100.0100.0
8BugChess2 1.5.225620.00.00.00.00.00.00.1 66.494.1100.0
9BugChess2 1.6.225530.00.00.00.00.00.00.033.6 86.1100.0
10BugChess2 1.5.125270.00.00.00.00.00.00.05.913.9 100.0
11BugChess2 1.4.123560.00.00.00.00.00.00.00.00.00.0 
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 4CPU2838 821800000000
2BugChess2 1.9 64-bit276182 2422051961201043336120
3BugChess2 1.9 32-bit273218242 64661651236256420
4BugChess2 1.7 32-bit26970205646 10836930761123680
5BugChess2 1.6.4 64-bit266001966108 2311813327120
6BugChess2 1.6.4 32-bit26570120165369231 50183226450
7BugChess2 1.6.3 32-bit26200104123307181501 257385878
8BugChess2 1.5.2256203362613383257 14617722
9BugChess2 1.6.225530365612327226385146 8718
10BugChess2 1.5.12527012426812458717787 60
11BugChess2 1.4.123560000008221860 
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 4CPU2838 3.21.20.00.00.00.00.00.00.00.0
2BugChess2 1.9 64-bit27613.2 9.58.39.24.93.81.51.70.60.0
3BugChess2 1.9 32-bit27321.29.5 46.20.612.17.45.55.44.00.0
4BugChess2 1.7 32-bit26970.08.346.2 11.028.419.35.712.67.00.0
5BugChess2 1.6.4 64-bit26600.09.20.611.0 24.414.64.64.31.90.0
6BugChess2 1.6.4 32-bit26570.04.912.128.424.4 32.18.024.04.80.0
7BugChess2 1.6.3 32-bit26200.03.87.419.314.632.1 19.331.17.00.7
8BugChess2 1.5.225620.01.55.55.74.68.019.3 20.525.03.1
9BugChess2 1.6.225530.01.75.412.64.324.031.120.5 14.12.9
10BugChess2 1.5.125270.00.64.07.01.94.87.025.014.1 9.9
11BugChess2 1.4.123560.00.00.00.00.00.00.73.12.99.9 
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-bit291950%
1/2
25%
0.5/2
         
Hannibal 1.2 64-bit291675%
1.5/2
25%
1.5/6
         
Quazar 0.4 64-bit290538%
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-bit2830   38%
1.5/4
 0%
0/2
     
Protector 1.3.5 32-bit2829   42%
2.5/6
 50%
0.5/1
     
Murka 3 64-bit282438%
1.5/4
0%
0/2
         
Spark 0.4 32-bit2820   25%
1/4
 0%
0/1
     
Deep Junior 11.2 32-bit2817   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-bit278750%
1/2
52%
14.5/28
         
Onno 1.2.70 32-bit2786  56%
4.5/8
34%
7.5/22
 0%
0/1
     
Bright 0.5c2778 62%
18.5/30
0%
0/3
25%
1/4
       
Jonny 4.002778 43%
21.5/50
37%
12.5/34
38%
7.5/20
       
Bright 0.4a2775  45%
4.5/10
   32%
7/22
    
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 1.42775 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 92754 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-bit2743  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-bit2738  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 82705     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 Aiglos II2700 75%
4.5/6
 38%
1.5/4
 0%
0/1
50%
1/2
 33%
2/6
  
Chessmaster 11 Conqueror2698 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
Chessmaster 11 Archangel2693  50%
1/2
50%
2/4
  44%
15/34
    
Booot 4.15.02692    25%
6/24
40%
12/30
25%
1/4
    
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 20072681     43%
9/21
50%
16.5/33
 50%
2/4
  
Chessmaster 11 Leonidas2680   60%
6/10
 75%
1.5/2
50%
1/2
    
Chessmaster 11 Toxic2679   17%
1/6
  50%
2/4
 25%
0.5/2
  
Naraku 1.312675  60%
6/10
69%
11/16
       
Daydreamer 1.75 32-bit2667  69%
18/26
52%
22/42
 60%
6/10
     
Deuterium 10.01.27.2132667 54%
13/24
75%
7.5/10
45%
4.5/10
       
Booot 4.14.02666      25%
0.5/2
35%
8.5/24
   
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
   
Chessmaster 112664   50%
2/4
  25%
1/4
50%
1/2
88%
3.5/4
  
LoopList 6.002664  50%
5/10
    8%
0.5/6
   
CM10th Xperience2661     0%
0/1
33%
1/3
67%
2/3
   
Alaric 7072660 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
 
Frenzee Dec07 32-bit2659  60%
6/10
    44%
10.5/24
   
CM10th Lazarus2654       100%
1/1
 25%
1/4
 
Scorpio 2.0 32-bit2652       29%
3.5/12
25%
0.5/2
  
CM10th Paralyse2651   62%
2.5/4
  100%
2/2
 100%
1/1
50%
3/6
 
E.T. Chess 13.01.082649   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 00.8.4382645  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 1.9.72639    54%
13/24
66%
12.5/19
44%
4/9
    
CM10th Guardian2638     25%
1/4
   0%
0/2
 
Slow Chess Blitz WV2.12637     62%
2.5/4
50%
3/6
 100%
1/1
  
Gandalf 62633   75%
3/4
  67%
4/6
50%
3/6
50%
0.5/1
  
CM10th Default2632       38%
1.5/4
75%
1.5/2
50%
1/2
 
CM9000 Assassin2630      0%
0/2
 75%
1.5/2
  
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 2.1.02623      62%
5/8
 50%
0.5/1
0%
0/4
 
Bison 9.62619  60%
6/10
  100%
1/1
40%
2/5
    
Deuterium 11.01.28.1592619  66%
10.5/16
88%
3.5/4
       
Hamsters 0.7.12618   71%
8.5/12
 59%
9.5/16
40%
10.5/26
    
ProDeo 1.62617      57%
8/14
64%
4.5/7
50%
2.5/5
  
Bison 9.8 32-bit2613     50%
0.5/1
46%
18.5/40
    
Colossus 2007d2613       42%
2.5/6
25%
0.5/2
57%
8/14
 
Pharaon 3.5.12613      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
Naum 1.91 32-bit2606       50%
0.5/1
25%
0.5/2
  
Alaric 0702b2605     0%
0/1
50%
0.5/1
50%
3/6
 25%
0.5/2
 
Alfil 8.1.12600     67%
4/6
56%
33.5/60
50%
1/2
38%
5/13
  
Deuterium 09.01.26.4922599   38%
1.5/4
 81%
6.5/8
     
Colossus 2007c2598       62%
2.5/4
 50%
2/4
 
Sloppy 0.2.2 32-bit2598  81%
6.5/8
60%
12/20
 46%
5.5/12
54%
13/24
 50%
3.5/7
40%
4/10
 
Aristarch 4.502595       38%
1.5/4
 25%
1/4
 
The Baron 2.23 32-bit2594   62%
2.5/4
 54%
6.5/12
62%
31/50
 31%
13.5/43
  
Pseudo 0.7c2591   38%
1.5/4
  67%
4/6
17%
0.5/3
100%
1/1
75%
1.5/2
 
The Baron 1.8.12591       50%
1/2
 50%
2/4
 
Hamsters 0.62589       47%
7.5/16
25%
1/4
  
Rotor 0.62589  88%
10.5/12
50%
6/12
       
Petir 4.9999992578     75%
1.5/2
46%
11/24
65%
6.5/10
50%
2.5/5
75%
4.5/6
 
Frenzee 3.0 32-bit2577       75%
1.5/2
75%
1.5/2
  
Critter 0.40 32-bit2576     100%
2/2
75%
3/4
    
RedQueen 0.9.8 32-bit2576  69%
5.5/8
62%
2.5/4
    70%
7/10
40%
4/10
 
ProDeo 1.1 Silver2572       42%
2.5/6
 33%
2/6
 
N2 0.4 32-bit2567   67%
8/12
 56%
4.5/8
     
Brutus 8.05 32-bit2566   88%
3.5/4
 78%
12.5/16
     
Arasan 12.3 32-bit2564  75%
6/8
62%
2.5/4
       
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
Crafty 22.1 32-bit2564      62%
20.5/33
58%
3.5/6
40%
2/5
  
Cyrano 0.52564     72%
14.5/20
  44%
15.5/35
  
Rotor 0.52564   50%
2/4
  57%
4/7
    
SOS 5.12563      58%
3.5/6
50%
1/2
100%
1/1
  
Tornado 2.22551     70%
14/20
50%
1/2
    
Crafty 21.6 32-bit2548       50%
1/2
  8%
0.5/6
Ufim 8.022543   88%
3.5/4
  25%
1/4
38%
1.5/4
50%
0.5/1
  
AnMon 5.752538 100%
1/1
 62%
7.5/12
       
Twisted Logic 0.099x2523        75%
1.5/2
38%
1.5/4
 
GarboChess 2.20 32-bit2522      75%
3/4
88%
3.5/4
70%
3.5/5
  
Sloppy 0.1.02521        75%
1.5/2
50%
2/4
 
Twisted Logic 0.080b262521       12%
0.5/4
 25%
0.5/2
 
Arasan 10.0 32-bit2518       85%
8.5/10
 25%
2/8
 
Cerebro 3.03d2481      88%
3.5/4
 75%
1.5/2
  
Matacz 1.42478   75%
3/4
  75%
3/4
    
Matacz 1.32476       70%
7/10
 72%
6.5/9
 
Anatoli 0.35k2475      75%
3/4
75%
1.5/2
50%
1/2
  
Arasan 10.42470      100%
1/1
 50%
2/4
  
Twisted Logic 200709152436       50%
3/6
 36%
5/14
50%
2/4
Typhoon 1.00-3582433      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 3.632427       75%
3/4
 75%
7.5/10
 
PostModernist 10162419       75%
1.5/2
 50%
1/2
 
Typhoon 1.00-3142410         50%
1/2
35%
7/20
Diablo 0.5.12409         100%
2/2
0%
0/2
Hermann 2.02408       88%
3.5/4
 25%
0.5/2
 
Queen 4.032408      75%
3/4
   62%
2.5/4
Delphil 1.82398         70%
7/10
25%
1/4
Hamsters 0.22381       62%
2.5/4
 100%
2/2
0%
0/2
RomiChess P3L 32-bit2381        70%
7/10
 25%
2/8
Aice 0.99.22337         88%
3.5/4
75%
1.5/2
LittleThought 1.00 32-bit2324         100%
1/1
38%
3/8
Natwarlal 0.142301         75%
1.5/2
100%
2/2
Zeus 1.292297         100%
2/2
67%
4/6
Zeus 1.282282         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 July 11, 2019