CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

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 CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 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+27−2747.2%+18.044.9%412 
97.6%
 The Baron 3.41 64-bit 4CPU2903+20−2039.1%+71.143.8%800
98.6%
 The Baron 3.29 64-bit 4CPU2866+25−2546.3%+22.643.1%489
56.6%
 The Baron 3.44 64-bit2863+14−1450.0%+0.544.0%1604
97.5%
 The Baron 3.41 64-bit2837+22−2249.3%+3.641.4%640
49.4%
 The Baron 3.43 64-bit2837+24−2451.2%−6.439.5%550
99.8%
 The Baron 3.42 64-bit2797+15−1445.0%+33.539.9%1579
83.8%
 The Baron 3.29 64-bit2785+18−1848.6%+7.340.5%1029
100.0%
 The Baron 2.23 64-bit2655+23−2350.2%−2.333.3%603
100.0%
 The Baron 2.23 32-bit2594+17−1750.4%−3.933.4%1250
58.6%
 The Baron 1.8.12591+23−2349.3%+3.532.4%655
98.2%
 The Baron 1.7.02548+33−3348.6%+8.930.5%315
 

Results matrix

Custom engine selection
#NameElo123456789101112
1The Baron 3.44 64-bit 4CPU2939            
2The Baron 3.41 64-bit 4CPU2903            
3The Baron 3.29 64-bit 4CPU2866            
4The Baron 3.44 64-bit2863            
5The Baron 3.41 64-bit2837      16.5 − 13.5
+10−7=13
−9
     
6The Baron 3.43 64-bit2837            
7The Baron 3.42 64-bit2797    13.5 − 16.5
+7−10=13
+9
       
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 1.7.02548            
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 97.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2The Baron 3.41 64-bit 4CPU29032.4 98.699.9100.0100.0100.0100.0100.0100.0100.0100.0
3The Baron 3.29 64-bit 4CPU28660.01.4 56.694.894.1100.0100.0100.0100.0100.0100.0
4The Baron 3.44 64-bit28630.00.143.4 97.596.6100.0100.0100.0100.0100.0100.0
5The Baron 3.41 64-bit28370.00.05.22.5 49.499.9100.0100.0100.0100.0100.0
6The Baron 3.43 64-bit28370.00.05.93.450.6 99.8100.0100.0100.0100.0100.0
7The Baron 3.42 64-bit27970.00.00.00.00.10.2 83.8100.0100.0100.0100.0
8The Baron 3.29 64-bit27850.00.00.00.00.00.016.2 100.0100.0100.0100.0
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 58.699.3
11The Baron 1.8.125910.00.00.00.00.00.00.00.00.041.4 98.2
12The Baron 1.7.025480.00.00.00.00.00.00.00.00.00.71.8 
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 4CPU290384 1227033283150000
3The Baron 3.29 64-bit 4CPU28661212 000000000
4The Baron 3.44 64-bit28630270 4935597172920000
5The Baron 3.41 64-bit2837000493 32971849418000
6The Baron 3.43 64-bit28370330559329 6282453030
7The Baron 3.42 64-bit279702830717718628 49430000
8The Baron 3.29 64-bit27850150292494245494 58600
9The Baron 2.23 64-bit265500001833058 28811327
10The Baron 2.23 32-bit259400000006288 31473
11The Baron 1.8.1259100000300113314 186
12The Baron 1.7.02548000000002773186 
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 4CPU29036.9 0.91.10.02.411.90.80.00.00.00.0
3The Baron 3.29 64-bit 4CPU28661.30.9 0.00.00.00.00.00.00.00.00.0
4The Baron 3.44 64-bit28630.01.10.0 22.026.022.511.10.00.00.00.0
5The Baron 3.41 64-bit28370.00.00.022.0 27.632.429.61.40.00.00.0
6The Baron 3.43 64-bit28370.02.40.026.027.6 29.515.50.30.00.20.0
7The Baron 3.42 64-bit27970.011.90.022.532.429.5 18.91.40.00.00.0
8The Baron 3.29 64-bit27850.00.80.011.129.615.518.9 3.60.30.00.0
9The Baron 2.23 64-bit26550.00.00.00.01.40.31.43.6 15.59.02.9
10The Baron 2.23 32-bit25940.00.00.00.00.00.00.00.315.5 16.54.7
11The Baron 1.8.125910.00.00.00.00.00.20.00.09.016.5 19.2
12The Baron 1.7.025480.00.00.00.00.00.00.00.02.94.719.2 
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 146 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
3.41
64-bit
The
Baron
3.43
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-bit3104 22%
9/40
    12%
3.5/30
     
Cheng 4.39 64-bit 4CPU301050%
5/10
40%
16/40
38%
1.5/4
         
Defenchess 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-bit2951   31%
2.5/8
38%
4.5/12
       
Pirarucu 2.7.4 64-bit2950   39%
12.5/32
30%
6/20
       
Chiron 1.1a 32-bit2931    45%
4.5/10
  30%
3/10
    
Crafty 25.2 64-bit2931   47%
15/32
  23%
7/30
38%
1.5/4
    
Bobcat 8.0 64-bit2923   35%
9/26
25%
3.5/14
 10%
0.5/5
12%
0.5/4
    
Cheng 4.39 64-bit2922   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%
19/39
38%
4.5/12
       
Deuterium 2018.1.35.514 64-bit2913   25%
1/4
 50%
0.5/1
      
Amoeba 2.6 64-bit2912    12%
0.5/4
  31%
2.5/8
    
Demolito 2018-03-01 64-bit2910     30%
3/10
28%
8.5/30
     
RubiChess 1.2.1 64-bit2907   34%
11.5/34
39%
5.5/14
17%
0.5/3
      
Amoeba 2.7 64-bit2905 49%
19.5/40
 31%
2.5/8
 45%
4.5/10
37%
11/30
     
Hannibal 1.2 32-bit2905   44%
3.5/8
30%
3/10
       
Quazar 0.4 64-bit2905   42%
10/24
  37%
11/30
     
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
3.41
64-bit
The
Baron
3.43
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-bit2905   45%
5/11
38%
9/24
30%
3/10
50%
2/4
     
Atlas 3.91 64-bit2902   36%
4/11
46%
5.5/12
0%
0/1
50%
3/6
     
Protector 1.4.0 64-bit2900   50%
4/8
   30%
3/10
    
chess22k 1.7 64-bit2899    50%
8/16
 12%
0.5/4
     
Hiarcs 13.22896   25%
2/8
 60%
6/10
      
Tornado 8.0 64-bit 4CPU289550%
2/4
63%
19.5/31
          
EXchess 7.97b 64-bit2893   45%
14.5/32
38%
1.5/4
58%
7.5/13
32%
11.5/36
0%
0/4
    
Demolito 2017-08-26 64-bit2890    75%
3/4
 62%
2.5/4
38%
3/8
    
Ethereal 8.62 64-bit2885    60%
6/10
 50%
0.5/1
     
Scorpio 2.8 64-bit2885   47%
15/32
38%
4.5/12
32%
6/19
31%
11/35
     
Fruit Reloaded 3.2.1 64-bit 4CPU288162%
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-bit2860   34%
11/32
  50%
1/2
38%
1.5/4
    
Dirty 30Apr2017 64-bit2856    39%
5.5/14
41%
11.5/28
40%
16/40
42%
2.5/6
    
MinkoChess 1.3 64-bit2854     75%
1.5/2
 25%
0.5/2
    
Zappa Mexico II 64-bit2854   67%
16/24
   67%
4/6
    
Tucano 7.06 64-bit2852   55%
11/20
 33%
1/3
      
Pirarucu 2.3.8 64-bit2851     44%
7/16
6%
0.5/8
     
DisasterArea 1.65 64-bit2847   50%
2/4
62%
10/16
42%
2.5/6
39%
14.5/37
17%
1/6
    
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
3.41
64-bit
The
Baron
3.43
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
    
Booot 5.1.02844   75%
6/8
45%
4.5/10
       
Shield 2.1 64-bit 4CPU284355%
5.5/10
56%
18/32
          
Lc0 0.19.1 w11248 64-bit2842   47%
7.5/16
 50%
1/2
      
Tornado 8.0 64-bit2842   50%
20/40
39%
5.5/14
38%
3/8
44%
17.5/40
50%
5/10
    
Marvin 3.2.0 64-bit2837   52%
23/44
 33%
1/3
      
Fruit Reloaded 3.2.1 64-bit2836   63%
9.5/15
25%
2.5/10
33%
2/6
40%
13.5/34
     
Onno 1.2.70 64-bit2833     75%
1.5/2
 50%
3/6
    
Zappa Mexico 64-bit2832   62%
5/8
 65%
6.5/10
      
Stockfish 1.4 32-bit2830   62%
5/8
 50%
5/10
      
Tucano 7.00 64-bit2825    60%
6/10
38%
1.5/4
64%
4.5/7
     
Murka 3 64-bit2824     75%
1.5/2
50%
1/2
44%
7/16
    
Rybka 1.0 64-bit2824   50%
4/8
55%
5.5/10
40%
4/10
 50%
5/10
    
Zurichess Neuchatel 64-bit2824 50%
0.5/1
 56%
22.5/40
 57%
12/21
25%
0.5/2
54%
6.5/12
    
Ethereal 8.37 64-bit2816    33%
2/6
60%
6/10
      
Godel 4.4.5 64-bit2814   61%
19.5/32
 50%
9/18
50%
5/10
     
GNU Chess 5.60 64-bit2811   38%
3/8
50%
5/10
  40%
4/10
    
Minic 1.09 64-bit2810   50%
1.5/3
 42%
5/12
      
Monolith 1.0 64-bit2795   61%
31.5/52
 50%
1.5/3
      
Rhetoric 1.4.3 64-bit2794    39%
8.5/22
67%
16/24
48%
15.5/32
48%
9.5/20
    
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
3.41
64-bit
The
Baron
3.43
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
GnuCheese 1.00 64-bit2793     60%
6/10
 44%
10.5/24
    
RuyDos 1.1.9 64-bit2793   56%
18/32
 71%
24/34
      
Marvin 3.1.0 64-bit2791     59%
19/32
46%
5.5/12
     
Loop 13.6 (Loop 2007) 64-bit2790    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-bit2783    35%
3.5/10
53%
9.5/18
36%
13.5/37
58%
3.5/6
    
tomitankChess 3.0 64-bit2783   64%
28/44
  25%
2/8
     
RuyDos 1.1.6 64-bit2782     75%
13.5/18
42%
10.5/25
     
Pawny 1.2 64-bit2779    68%
9.5/14
 64%
23/36
50%
12/24
    
Bright 0.5c2778 61%
24.5/40
    50%
15/30
50%
2/4
    
Frenzee 3.5.19 64-bit2775    65%
6.5/10
 58%
17.5/30
61%
8.5/14
    
Twisted Logic 20100131x 64-bit2768    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-bit2760    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
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
3.41
64-bit
The
Baron
3.43
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
Carballo 1.7 64-bit2736   57%
19.5/34
60%
6/10
62%
2.5/4
62%
2.5/4
66%
10.5/16
    
Marvin 3.0.0 64-bit2732   81%
6.5/8
  70%
7/10
     
Shield 2.1 64-bit2728   78%
25/32
 80%
8/10
45%
4.5/10
     
Devel 2.00002724   69%
23.5/34
 62%
2.5/4
67%
10/15
     
ProDeo 2.22723    70%
7/10
75%
3/4
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-bit2709   75%
3/4
  100%
6/6
     
Chess Tiger 2007.12704         25%
0.5/2
25%
0.5/2
 
Chessmaster 11 Aiglos II2701       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-bit2679       62%
2.5/4
75%
1.5/2
   
Djinn 1.021 64-bit2667       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 7072661        25%
1/4
25%
1.5/6
20%
1/5
 
Scorpio 1.912661          50%
4/8
25%
0.5/2
RedQueen 1.1.97 64-bit2660       38%
1.5/4
75%
3/4
   
CM10th Lazarus2659        50%
2/4
 25%
0.5/2
 
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
3.41
64-bit
The
Baron
3.43
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
E.T. Chess 13.01.082650        81%
6.5/8
46%
12.5/27
  
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
CM10th Warrior2633          50%
4/8
0%
0/1
Sjakk 2.2 64-bit2633       50%
2/4
75%
1.5/2
   
Gandalf 62632        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
 
Bison 9.8 32-bit2616         44%
3.5/8
52%
16.5/32
 
Slow Chess Blitz WV22615         25%
0.5/2
 0%
0/1
Pharaon 3.5.12613         38%
3/8
43%
6.5/15
100%
3/3
Naum 1.91 32-bit2605         50%
1/2
 10%
0.5/5
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
3.41
64-bit
The
Baron
3.43
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
Alfil 8.1.12601         54%
24.5/45
33%
2/6
 
Sloppy 0.2.2 32-bit2599         46%
21.5/47
75%
1.5/2
 
Aristarch 4.502595         100%
2/2
38%
1.5/4
42%
2.5/6
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
  
Petir 4.392590        53%
16.5/31
 80%
4/5
 
Brutus 8.05 64-bit2589      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 5.602514          50%
4/8
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
3.41
64-bit
The
Baron
3.43
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
Little Goliath Evolution 3.122507          50%
1/2
50%
3/6
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 1.5972473          50%
1/2
75%
3/4
Snitch 1.6.2 32-bit2437          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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Rating list
Testing profile
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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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019