CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 12 engines!
12 selected engines played 30 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 19, 2019 with Bayeselo based on 1'068'538 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+
1The Baron 3.44 64-bit 4CPU2939+27−2748.0%+12.844.8%422 
97.9%
 The Baron 3.41 64-bit 4CPU2902+20−2039.1%+71.143.8%800
98.3%
 The Baron 3.29 64-bit 4CPU2866+25−2546.3%+23.043.1%489
64.0%
 The Baron 3.44 64-bit2861+15−1550.2%−1.544.0%1452
93.8%
 The Baron 3.43 64-bit2839+24−2451.4%−8.440.0%538
55.0%
 The Baron 3.41 64-bit2836+22−2249.3%+3.841.4%640
99.9%
 The Baron 3.42 64-bit2795+15−1544.4%+38.240.0%1539
82.0%
 The Baron 3.29 64-bit2785+18−1848.6%+7.040.5%1029
100.0%
 The Baron 2.23 64-bit2655+23−2350.2%−2.233.3%603
100.0%
 The Baron 2.23 32-bit2594+17−1750.4%−4.033.4%1250
58.9%
 The Baron 1.8.12591+23−2349.3%+3.432.4%655
98.4%
 The Baron 1.7.02547+33−3348.2%+10.930.6%307
 

Results matrix

Custom engine selection
#NameElo123456789101112
1The Baron 3.44 64-bit 4CPU2939            
2The Baron 3.41 64-bit 4CPU2902            
3The Baron 3.29 64-bit 4CPU2866            
4The Baron 3.44 64-bit2861            
5The Baron 3.43 64-bit2839            
6The Baron 3.41 64-bit2836      16.5 − 13.5
+10−7=13
−10
     
7The Baron 3.42 64-bit2795     13.5 − 16.5
+7−10=13
+10
      
8The Baron 3.29 64-bit2785            
9The Baron 2.23 64-bit2655            
10The Baron 2.23 32-bit2594            
11The Baron 1.8.12591            
12The Baron 1.7.02547            
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
#NameElo123456789101112
1The Baron 3.44 64-bit 4CPU2939 97.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2The Baron 3.41 64-bit 4CPU29022.1 98.399.9100.0100.0100.0100.0100.0100.0100.0100.0
3The Baron 3.29 64-bit 4CPU28660.01.7 64.093.595.5100.0100.0100.0100.0100.0100.0
4The Baron 3.44 64-bit28610.00.136.0 93.896.3100.0100.0100.0100.0100.0100.0
5The Baron 3.43 64-bit28390.00.06.56.2 55.099.9100.0100.0100.0100.0100.0
6The Baron 3.41 64-bit28360.00.04.53.745.0 99.9100.0100.0100.0100.0100.0
7The Baron 3.42 64-bit27950.00.00.00.00.10.1 82.0100.0100.0100.0100.0
8The Baron 3.29 64-bit27850.00.00.00.00.00.018.0 100.0100.0100.0100.0
9The Baron 2.23 64-bit26550.00.00.00.00.00.00.00.0 100.0100.0100.0
10The Baron 2.23 32-bit25940.00.00.00.00.00.00.00.00.0 58.999.4
11The Baron 1.8.125910.00.00.00.00.00.00.00.00.041.1 98.4
12The Baron 1.7.025470.00.00.00.00.00.00.00.00.00.61.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1The Baron 3.44 64-bit 4CPU2939 8412000000000
2The Baron 3.41 64-bit 4CPU290284 1227330283150000
3The Baron 3.29 64-bit 4CPU28661212 000000000
4The Baron 3.44 64-bit28610270 5234506732820000
5The Baron 3.43 64-bit28390330523 3296282453030
6The Baron 3.41 64-bit2836000450329 71849418000
7The Baron 3.42 64-bit279502830673628718 49430000
8The Baron 3.29 64-bit27850150282245494494 58600
9The Baron 2.23 64-bit265500003183058 28811327
10The Baron 2.23 32-bit259400000006288 31473
11The Baron 1.8.1259100003000113314 186
12The Baron 1.7.02547000000002773186 
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
#NameElo123456789101112
1The Baron 3.44 64-bit 4CPU2939 6.91.30.00.00.00.00.00.00.00.00.0
2The Baron 3.41 64-bit 4CPU29026.9 0.91.22.50.012.10.80.00.00.00.0
3The Baron 3.29 64-bit 4CPU28661.30.9 0.00.00.00.00.00.00.00.00.0
4The Baron 3.44 64-bit28610.01.20.0 26.321.522.511.40.00.00.00.0
5The Baron 3.43 64-bit28390.02.50.026.3 27.930.215.60.30.00.30.0
6The Baron 3.41 64-bit28360.00.00.021.527.9 33.029.61.40.00.00.0
7The Baron 3.42 64-bit27950.012.10.022.530.233.0 19.21.40.00.00.0
8The Baron 3.29 64-bit27850.00.80.011.415.629.619.2 3.60.30.00.0
9The Baron 2.23 64-bit26550.00.00.00.00.31.41.43.6 15.59.03.0
10The Baron 2.23 32-bit25940.00.00.00.00.00.00.00.315.5 16.54.7
11The Baron 1.8.125910.00.00.00.00.30.00.00.09.016.5 19.3
12The Baron 1.7.025470.00.00.00.00.00.00.00.03.04.719.3 
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 145 common opponents

Custom engine selection
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
Strelka 5.5 64-bit3103 22%
9/40
    12%
3.5/30
     
Cheng 4.39 64-bit 4CPU300950%
5/10
40%
16/40
38%
1.5/4
         
Defenchess (SCTR) 1.1f 64-bit2997     40%
4/10
23%
7/30
     
SmarThink 1.97 64-bit2995 31%
12.5/40
    23%
7/30
     
Hakkapeliitta 3.0 64-bit2954      32%
9.5/30
33%
4/12
    
chess22k 1.9 64-bit2950   31%
2.5/8
 38%
4.5/12
      
Pirarucu 2.7.4 64-bit2949   39%
12.5/32
 30%
6/20
      
Crafty 25.2 64-bit2930   47%
15/32
  23%
7/30
38%
1.5/4
    
Chiron 1.1a 32-bit2928     45%
4.5/10
 30%
3/10
    
Bobcat 8.0 64-bit2923   35%
9/26
 25%
3.5/14
10%
0.5/5
12%
0.5/4
    
Cheng 4.39 64-bit2920   40%
14.5/36
  27%
8/30
0%
0/4
    
Gull 1.2 64-bit2918   56%
4.5/8
20%
2/10
       
Dirty CUCUMBER 64-bit2916   49%
17.5/36
 38%
4.5/12
      
Deuterium 2018.1.35.514 64-bit2912   25%
1/4
50%
0.5/1
       
Amoeba 2.6 64-bit2911     12%
0.5/4
 31%
2.5/8
    
Demolito 2018-03-01 64-bit2909    30%
3/10
 28%
8.5/30
     
RubiChess 1.2.1 64-bit2907   34%
11.5/34
17%
0.5/3
39%
5.5/14
      
Quazar 0.4 64-bit2905   42%
10/24
  37%
11/30
     
Amoeba 2.7 64-bit2904 49%
19.5/40
 31%
2.5/8
45%
4.5/10
 37%
11/30
     
Hannibal 1.2 32-bit2904   44%
3.5/8
 30%
3/10
      
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
Toga II 4.0 64-bit2904   62%
2.5/4
30%
3/10
38%
9/24
50%
2/4
     
Protector 1.4.0 64-bit2903   50%
4/8
   30%
3/10
    
Atlas 3.91 64-bit2899   25%
2/8
0%
0/1
46%
5.5/12
50%
3/6
     
chess22k 1.7 64-bit2898     50%
8/16
12%
0.5/4
     
Hiarcs 13.22896   25%
2/8
60%
6/10
       
EXchess 7.97b 64-bit2893   45%
14.5/32
58%
7.5/13
38%
1.5/4
32%
11.5/36
0%
0/4
    
Tornado 8.0 64-bit 4CPU289350%
2/4
63%
19.5/31
          
Demolito 2017-08-26 64-bit2889     75%
3/4
62%
2.5/4
38%
3/8
    
Ethereal 8.62 64-bit2884     60%
6/10
50%
0.5/1
     
Scorpio 2.8 64-bit2884   47%
15/32
32%
6/19
38%
4.5/12
31%
11/35
     
Fruit Reloaded 3.2.1 64-bit 4CPU288062%
2.5/4
54%
21.5/40
          
Quazar 0.4 32-bit2879   50%
4/8
 30%
3/10
 45%
4.5/10
    
Spark 1.0 32-bit2863   44%
3.5/8
   35%
3.5/10
    
Gaviota 1.0 64-bit2859   34%
11/32
  50%
1/2
38%
1.5/4
    
Dirty 30Apr2017 64-bit2856    41%
11.5/28
39%
5.5/14
40%
16/40
42%
2.5/6
    
Lc0 0.19.1 w11248 64-bit2856   47%
7.5/16
50%
1/2
       
MinkoChess 1.3 64-bit2854    75%
1.5/2
  25%
0.5/2
    
Zappa Mexico II 64-bit2854   67%
16/24
   67%
4/6
    
Pirarucu 2.3.8 64-bit2851    44%
7/16
 6%
0.5/8
     
Tucano 7.06 64-bit2848   55%
11/20
33%
1/3
       
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
Nemo 1.0.1 64-bit2847    50%
1/2
 38%
12/32
50%
1/2
    
DisasterArea 1.65 64-bit2845    42%
2.5/6
62%
10/16
39%
14.5/37
17%
1/6
    
Booot 5.1.02843   75%
6/8
 45%
4.5/10
      
Tornado 8.0 64-bit2843   47%
17/36
38%
3/8
39%
5.5/14
44%
17.5/40
50%
5/10
    
Shield 2.1 64-bit 4CPU284155%
5.5/10
56%
18/32
          
Marvin 3.2.0 64-bit2836   52%
23/44
33%
1/3
       
Onno 1.2.70 64-bit2833    75%
1.5/2
  50%
3/6
    
Fruit Reloaded 3.2.1 64-bit2832   75%
6/8
33%
2/6
25%
2.5/10
40%
13.5/34
     
Zappa Mexico 64-bit2832   62%
5/8
65%
6.5/10
       
Stockfish 1.4 32-bit2830   62%
5/8
50%
5/10
       
Murka 3 64-bit2824    75%
1.5/2
 50%
1/2
44%
7/16
    
Rybka 1.0 64-bit2824   50%
4/8
40%
4/10
55%
5.5/10
 50%
5/10
    
Tucano 7.00 64-bit2824    38%
1.5/4
60%
6/10
64%
4.5/7
     
Zurichess Neuchatel 64-bit2820 50%
0.5/1
 57%
20.5/36
57%
12/21
 25%
0.5/2
54%
6.5/12
    
Ethereal 8.37 64-bit2815    60%
6/10
33%
2/6
      
Godel 4.4.5 64-bit2813   61%
19.5/32
50%
9/18
 50%
5/10
     
GNU Chess 5.60 64-bit2810   38%
3/8
 50%
5/10
 40%
4/10
    
Monolith 1.0 64-bit2794   61%
29.5/48
50%
1.5/3
       
Rhetoric 1.4.3 64-bit2794    67%
16/24
39%
8.5/22
48%
15.5/32
48%
9.5/20
    
GnuCheese 1.00 64-bit2793    60%
6/10
  44%
10.5/24
    
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
RuyDos 1.1.9 64-bit2793   56%
18/32
71%
24/34
       
Marvin 3.1.0 64-bit2790    59%
19/32
 46%
5.5/12
     
Loop 13.6 (Loop 2007) 64-bit2789     50%
5/10
52%
15.5/30
33%
2/6
0%
0/2
   
Fruit 2.3.12786    50%
0.5/1
     40%
2/5
 
Octochess r5506 64-bit2781    53%
9.5/18
35%
3.5/10
36%
13.5/37
58%
3.5/6
    
RuyDos 1.1.6 64-bit2781    75%
13.5/18
 42%
10.5/25
     
tomitankChess 3.0 64-bit2781   68%
27/40
  25%
2/8
     
Bright 0.5c2778 61%
24.5/40
    50%
15/30
50%
2/4
    
Pawny 1.2 64-bit2776     68%
9.5/14
64%
23/36
50%
12/24
    
Frenzee 3.5.19 64-bit2774     65%
6.5/10
58%
17.5/30
61%
8.5/14
    
Twisted Logic 20100131x 64-bit2767     70%
7/10
60%
18/30
56%
4.5/8
    
RuyDos 1.0.27 64-bit2763     50%
5/10
 45%
4.5/10
    
BugChess2 1.9 64-bit2761     75%
7.5/10
60%
18/30
31%
5/16
25%
0.5/2
   
Godel 4.0.7 64-bit2758    57%
8.5/15
 60%
3/5
     
Bison 9.11 64-bit2755     75%
7.5/10
52%
15.5/30
62%
2.5/4
0%
0/2
   
chess22k 1.5 64-bit2750     50%
5/10
 71%
8.5/12
    
Ethereal 8.28 64-bit2745     70%
7/10
 70%
7/10
    
Spike 1.2 Turin2745          42%
2.5/6
12%
0.5/4
Carballo 1.7 64-bit2738   57%
19.5/34
62%
2.5/4
60%
6/10
62%
2.5/4
66%
10.5/16
    
Chronos 1.9.9 64-bit2738      52%
15.5/30
75%
1.5/2
50%
1/2
   
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
Marvin 3.0.0 64-bit2730   81%
6.5/8
  70%
7/10
     
Shield 2.1 64-bit2728   78%
25/32
80%
8/10
 45%
4.5/10
     
Devel 2.00002722   69%
23.5/34
62%
2.5/4
 67%
10/15
     
ProDeo 2.22721    75%
3/4
70%
7/10
60%
3/5
38%
1.5/4
    
GreKo 2018.08 64-bit2718   75%
6/8
  67%
4/6
     
Shield 2.0 64-bit2712     95%
9.5/10
63%
19/30
     
Topple 0.4.0 64-bit2708   75%
3/4
  100%
6/6
     
Chess Tiger 2007.12703         25%
0.5/2
25%
0.5/2
 
Chessmaster 11 Aiglos II2700       75%
1.5/2
75%
1.5/2
17%
1/6
  
Devel 1.80902690     55%
5.5/10
 69%
5.5/8
    
Delfi 5.42689        25%
1/4
60%
6/10
  
Tucano 5.00 64-bit2678       62%
2.5/4
75%
1.5/2
   
Djinn 1.021 64-bit2668       75%
3/4
55%
5.5/10
   
Movei 00.8.438 (10 10 10)2667        39%
12.5/32
0%
0/2
50%
4/8
 
Chessmaster 112665        0%
0/2
60%
6/10
38%
1.5/4
 
Alaric 7072660        25%
1/4
25%
1.5/6
20%
1/5
 
RedQueen 1.1.97 64-bit2660       38%
1.5/4
75%
3/4
   
Scorpio 1.912660          50%
4/8
25%
0.5/2
CM10th Lazarus2654        50%
2/4
 25%
0.5/2
 
E.T. Chess 13.01.082649        81%
6.5/8
46%
12.5/27
  
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
Movei 00.8.4382646        100%
2/2
 58%
3.5/6
 
CM10th Ogre2645          25%
0.5/2
50%
0.5/1
Colossus 2008b2643        53%
17/32
39%
16/41
  
Slow Chess Blitz WV2.12637        50%
3/6
0%
0/2
40%
4/10
39%
3.5/9
Sjakk 2.2 64-bit2634       50%
2/4
75%
1.5/2
   
CM10th Warrior2633          50%
4/8
0%
0/1
Gandalf 62633        75%
1.5/2
28%
4.5/16
50%
4/8
 
CM9000 Assassin2630        50%
1/2
50%
2.5/5
  
WildCat 82629        59%
22.5/38
37%
15/41
75%
1.5/2
 
Rotor 0.82628      100%
1/1
 31%
2.5/8
   
WildCat 72624          50%
5/10
100%
2/2
Ruffian 2.1.02623        50%
17/34
59%
6.5/11
38%
1.5/4
0%
0/1
Bison 9.62619         38%
1.5/4
47%
15/32
 
ProDeo 1.22619          50%
2.5/5
100%
2/2
ProDeo 1.62617         47%
15/32
42%
5/12
 
Slow Chess Blitz WV22616         25%
0.5/2
 0%
0/1
Bison 9.8 32-bit2614         44%
3.5/8
52%
16.5/32
 
Pharaon 3.5.12613         38%
3/8
43%
6.5/15
100%
3/3
Naum 1.91 32-bit2606         50%
1/2
 10%
0.5/5
Alfil 8.1.12600         54%
24.5/45
33%
2/6
 
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
Sloppy 0.2.2 32-bit2599         46%
21.5/47
75%
1.5/2
 
Aristarch 4.502596         100%
2/2
38%
1.5/4
42%
2.5/6
Petir 4.392592        53%
16.5/31
 80%
4/5
 
Pseudo 0.7c2591        33%
1/3
30%
3/10
25%
1/4
50%
4.5/9
Amyan 1.722590        67%
2/3
57%
8/14
  
Brutus 8.05 64-bit2590      100%
1/1
 67%
2/3
   
Hamsters 0.62589         50%
2/4
50%
1/2
 
Zappa 1.1 32-bit2581         100%
2/2
 0%
0/1
Petir 4.9999992579         65%
17.5/27
62%
5/8
 
Frenzee 3.0 32-bit2577         100%
2/2
62%
7.5/12
 
Jonny 2.83 32-bit2576          62%
2.5/4
50%
4.5/9
Crafty 22.1 32-bit2564         70%
3.5/5
50%
2.5/5
 
SOS 5.12563         67%
4/6
54%
7/13
52%
11/21
Ufim 8.022543         50%
2/4
50%
2/4
 
AnMon 5.752538        100%
1/1
55%
12/22
  
Movei 00.8.4032525          56%
4.5/8
50%
0.5/1
GarboChess 2.20 32-bit2522         56%
4.5/8
75%
3/4
 
E.T. Chess 18.11.052519          62%
2.5/4
41%
7/17
AnMon 5.602515          50%
4/8
33%
2/6
Little Goliath Evolution 3.122507          50%
1/2
50%
3/6
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.41
64-bit
4CPU
The
Baron
3.29
64-bit
4CPU
The
Baron
3.44
64-bit
The
Baron
3.43
64-bit
The
Baron
3.41
64-bit
The
Baron
3.42
64-bit
The
Baron
3.29
64-bit
The
Baron
2.23
64-bit
The
Baron
2.23
32-bit
The
Baron
1.8.1
The
Baron
1.7.0
Twisted Logic 0.0852507         50%
1/2
60%
3/5
 
LittleThought 1.052 64-bit2500    100%
1/1
   50%
1/2
   
Anatoli 0.35k2475         75%
3/4
50%
1/2
 
Amyan 1.5972472          50%
1/2
75%
3/4
Snitch 1.6.2 32-bit2436          90%
9/10
100%
4/4
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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Created in 2005-2013 by CCRL team
Last games added on July 19, 2019