CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

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 CPU.
Computed on November 16, 2019 with Bayeselo based on 1'098'633 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%+44.838.2%738 
100.0%
 BugChess2 1.9 64-bit2762+13−1448.9%+6.535.5%1816
98.7%
 BugChess2 1.9 32-bit2733+21−2149.8%+1.137.1%733
98.7%
 BugChess2 1.7 32-bit2698+22−2251.8%−13.237.1%665
97.0%
 BugChess2 1.6.4 64-bit2661+32−3247.9%+13.937.7%313
55.5%
 BugChess2 1.6.4 32-bit2658+22−2247.9%+12.640.9%634
99.4%
 BugChess2 1.6.3 32-bit2620+19−1947.4%+18.237.7%928
99.9%
 BugChess2 1.5.22563+29−2948.1%+13.832.1%402
65.7%
 BugChess2 1.6.22554+32−3248.1%+12.536.6%309
83.1%
 BugChess2 1.5.12531+33−3351.6%−10.832.9%313
100.0%
 BugChess2 1.4.12356+33−3351.4%−12.032.4%312
 

Results matrix

Custom engine selection
#NameElo1234567891011
1BugChess2 1.9 64-bit 4CPU2838           
2BugChess2 1.9 64-bit2762           
3BugChess2 1.9 32-bit2733           
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 1.4.12356           
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-bit27620.0 98.7100.0100.0100.0100.0100.0100.0100.0100.0
3BugChess2 1.9 32-bit27330.01.3 98.7100.0100.0100.0100.0100.0100.0100.0
4BugChess2 1.7 32-bit26980.00.01.3 97.099.4100.0100.0100.0100.0100.0
5BugChess2 1.6.4 64-bit26610.00.00.03.0 55.598.4100.0100.0100.0100.0
6BugChess2 1.6.4 32-bit26580.00.00.00.644.5 99.4100.0100.0100.0100.0
7BugChess2 1.6.3 32-bit26200.00.00.00.01.60.6 99.9100.0100.0100.0
8BugChess2 1.5.225630.00.00.00.00.00.00.1 65.792.2100.0
9BugChess2 1.6.225540.00.00.00.00.00.00.034.3 83.1100.0
10BugChess2 1.5.125310.00.00.00.00.00.00.07.816.9 100.0
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-bit276282 2422051961201043336120
3BugChess2 1.9 32-bit273318242 64661651236256420
4BugChess2 1.7 32-bit26980205646 10836930761123680
5BugChess2 1.6.4 64-bit266101966108 2311813327120
6BugChess2 1.6.4 32-bit26580120165369231 50183226450
7BugChess2 1.6.3 32-bit26200104123307181501 257385878
8BugChess2 1.5.2256303362613383257 14617722
9BugChess2 1.6.225540365612327226385146 8718
10BugChess2 1.5.12531012426812458717787 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-bit27623.2 9.58.39.24.93.81.51.70.60.0
3BugChess2 1.9 32-bit27331.29.5 46.20.612.17.45.55.44.00.0
4BugChess2 1.7 32-bit26980.08.346.2 11.028.419.35.712.67.00.0
5BugChess2 1.6.4 64-bit26610.09.20.611.0 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-bit26200.03.87.419.314.632.1 19.331.17.00.6
8BugChess2 1.5.225630.01.55.55.74.68.019.3 20.524.83.1
9BugChess2 1.6.225540.01.75.412.64.324.031.120.5 14.02.9
10BugChess2 1.5.125310.00.64.07.01.94.87.024.814.0 9.6
11BugChess2 1.4.123560.00.00.00.00.00.00.63.12.99.6 
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-bit291950%
1/2
25%
0.5/2
         
Hannibal 1.2 64-bit291675%
1.5/2
25%
1.5/6
         
Quazar 0.4 64-bit290638%
1.5/4
27%
11.5/42
         
Thinker 5.4d Inert 32-bit2857  50%
0.5/1
  25%
1/4
     
Rodent 1.7 64-bit285125%
1/4
25%
2.5/10
         
Gull 0.11a 32-bit2848   38%
1.5/4
 50%
0.5/1
     
Nemo 1.0.1 64-bit284850%
3/6
22%
5.5/25
         
Booot 5.1.0284442%
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-bit2830   42%
2.5/6
 50%
0.5/1
     
Murka 3 64-bit282538%
1.5/4
0%
0/2
         
Spark 0.4 32-bit2822   25%
1/4
 0%
0/1
     
Deep Junior 11.2 32-bit2818   42%
2.5/6
 100%
1/1
     
TheMadPrune 1.1.252806 25%
0.5/2
    0%
0/2
    
Hannibal 1.0a 32-bit2801  50%
7/14
50%
5/10
       
Onno 1.2.70 32-bit2787  56%
4.5/8
34%
7.5/22
 0%
0/1
     
Texel 1.01 64-bit278750%
1/2
52%
14.5/28
         
Jonny 4.002779 43%
21.5/50
37%
12.5/34
38%
7.5/20
       
Bright 0.5c2778 62%
18.5/30
0%
0/3
25%
1/4
       
Bright 0.4a2776  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 1.42776 57%
26/46
38%
6/16
        
Loop 13.6 (Loop 2007) 32-bit2774  75%
3/4
44%
3.5/8
       
SmarThink 1.20 64-bit2764 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-bit2750  40%
14.5/36
52%
11.5/22
       
SmarThink 1.20 32-bit2747  25%
1/4
25%
1.5/6
       
Spike 1.2 Turin2746   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-bit2741  38%
1.5/4
58%
7/12
       
Chronos 1.9.9 32-bit2740  44%
15/34
38%
10/26
 38%
1.5/4
     
Twisted Logic 20100131x 32-bit2739  12%
0.5/4
  33%
2/6
     
Crafty 23.4 32-bit2733  55%
32.5/59
42%
8.5/20
       
Bison 9.11 32-bit2728  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 2007.12704 75%
4.5/6
75%
1.5/2
67%
4/6
  12%
0.5/4
    
Chessmaster 11 Aiglos II2701 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-bit2696   12%
0.5/4
 47%
7/15
     
Chessmaster 11 Archangel2695  50%
1/2
50%
2/4
  44%
15/34
    
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
Frenzee Feb08 32-bit2695  50%
1/2
  25%
0.5/2
50%
3/6
    
Booot 4.15.02693    25%
6/24
40%
12/30
25%
1/4
    
Delfi 5.42690 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 Leonidas2681   60%
6/10
 75%
1.5/2
50%
1/2
    
Naraku 1.312676  60%
6/10
69%
11/16
       
Daydreamer 1.75 32-bit2668  69%
18/26
52%
22/42
 60%
6/10
     
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
   
Movei 00.8.438 (10 10 10)2667 77%
18.5/24
 0%
0/4
56%
13.5/24
38%
1.5/4
54%
6.5/12
36%
4/11
   
Chessmaster 112665   50%
2/4
  25%
1/4
50%
1/2
88%
3.5/4
  
LoopList 6.002665  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
 
CM10th Lazarus2659       100%
1/1
 25%
1/4
 
Frenzee Dec07 32-bit2659  60%
6/10
    44%
10.5/24
   
Scorpio 2.0 32-bit2653       29%
3.5/12
25%
0.5/2
  
CM10th Paralyse2652   62%
2.5/4
  100%
2/2
 100%
1/1
50%
3/6
 
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
 
Colossus 2008b2644   62%
7.5/12
40%
9.5/24
45%
12.5/28
41%
11.5/28
 0%
0/1
  
CM10th Magic II2643     32%
6.5/20
50%
1/2
    
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 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 Assassin2631      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 2.1.02624      62%
5/8
 50%
0.5/1
0%
0/4
 
Bison 9.62620  60%
6/10
  100%
1/1
40%
2/5
    
Deuterium 11.01.28.1592620  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 1.62618      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 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
Alaric 0702b2606     0%
0/1
50%
0.5/1
50%
3/6
 25%
0.5/2
 
Naum 1.91 32-bit2605       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 4.502595       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
  
The Baron 1.8.12592       50%
1/2
 50%
2/4
 
Pseudo 0.7c2591   38%
1.5/4
  67%
4/6
17%
0.5/3
100%
1/1
75%
1.5/2
 
Hamsters 0.62589       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
 
Critter 0.40 32-bit2577     100%
2/2
75%
3/4
    
Frenzee 3.0 32-bit2577       75%
1.5/2
75%
1.5/2
  
RedQueen 0.9.8 32-bit2577  69%
5.5/8
62%
2.5/4
    70%
7/10
40%
4/10
 
ProDeo 1.1 Silver2574       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 0.52567     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 5.12563      58%
3.5/6
50%
1/2
100%
1/1
  
Tornado 2.22552     70%
14/20
50%
1/2
    
Crafty 21.6 32-bit2549       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-bit2511       85%
8.5/10
 25%
2/8
 
Cerebro 3.03d2482      88%
3.5/4
 75%
1.5/2
  
Matacz 1.42479   75%
3/4
  75%
3/4
    
Matacz 1.32477       70%
7/10
 72%
6.5/9
 
Anatoli 0.35k2476      75%
3/4
75%
1.5/2
50%
1/2
  
Arasan 10.42471      100%
1/1
 50%
2/4
  
Twisted Logic 200709152437       50%
3/6
 36%
5/14
50%
2/4
Typhoon 1.00-3582434      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 10162420       75%
1.5/2
 50%
1/2
 
Diablo 0.5.12411         100%
2/2
0%
0/2
Typhoon 1.00-3142410         50%
1/2
35%
7/20
Queen 4.032409      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-bit2382        70%
7/10
 25%
2/8
Hamsters 0.22380       62%
2.5/4
 100%
2/2
0%
0/2
Aice 0.99.22338         88%
3.5/4
75%
1.5/2
LittleThought 1.00 32-bit2326         100%
1/1
38%
3/8
Natwarlal 0.142302         75%
1.5/2
100%
2/2
Zeus 1.292299         100%
2/2
67%
4/6
Zeus 1.282283         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 November 16, 2019