CCRL 40/4
Downloads and Statistics
November 14, 2019
Testing summary:
Total: 2'129'428 games
played by 2'486 programs
28790 CPU days (X2 4600+)

White wins: 825'928 (38.8%)
Black wins: 667'489 (31.3%)
Draws: 636'011 (29.9%)
White score: 53.7%

Custom engine selection

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

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on November 14, 2019 with Bayeselo based on 2'129'428 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1The Baron 3.44 64-bit 4CPU2996+25−2541.7%+57.138.0%511 
99.8%
 The Baron 3.43 64-bit 4CPU2943+25−2550.1%+1.037.0%506
100.0%
 The Baron 3.43 64-bit2874+17−1749.7%+3.036.3%1172
50.9%
 The Baron 3.44 64-bit2874+23−2352.4%−17.834.1%615
100.0%
 The Baron 3.41 64-bit2820+17−1748.8%+8.134.1%1173
99.9%
 The Baron 3.42 64-bit2781+19−1945.7%+27.433.8%962
75.8%
 The Baron 3.29 64-bit2773+12−1250.2%−2.529.9%2592
100.0%
 The Baron 2.23 64-bit2555+8−847.9%+14.926.6%6240
77.9%
 The Baron 2.23 32-bit2547+19−1947.2%+21.227.5%1035
58.4%
 The Baron 1.8.12545+14−1448.3%+11.624.9%1959
100.0%
 The Baron 1.7.02459+16−1647.8%+11.323.2%1515
 

Results matrix

Custom engine selection
#NameElo1234567891011
1The Baron 3.44 64-bit 4CPU2996           
2The Baron 3.43 64-bit 4CPU2943           
3The Baron 3.43 64-bit2874           
4The Baron 3.44 64-bit2874           
5The Baron 3.41 64-bit2820           
6The Baron 3.42 64-bit2781           
7The Baron 3.29 64-bit2773           
8The Baron 2.23 64-bit2555           
9The Baron 2.23 32-bit2547           
10The Baron 1.8.12545           
11The Baron 1.7.02459           
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
1The Baron 3.44 64-bit 4CPU2996 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
2The Baron 3.43 64-bit 4CPU29430.2 100.0100.0100.0100.0100.0100.0100.0100.0100.0
3The Baron 3.43 64-bit28740.00.0 50.9100.0100.0100.0100.0100.0100.0100.0
4The Baron 3.44 64-bit28740.00.049.1 100.0100.0100.0100.0100.0100.0100.0
5The Baron 3.41 64-bit28200.00.00.00.0 99.9100.0100.0100.0100.0100.0
6The Baron 3.42 64-bit27810.00.00.00.00.1 75.8100.0100.0100.0100.0
7The Baron 3.29 64-bit27730.00.00.00.00.024.2 100.0100.0100.0100.0
8The Baron 2.23 64-bit25550.00.00.00.00.00.00.0 77.990.6100.0
9The Baron 2.23 32-bit25470.00.00.00.00.00.00.022.1 58.4100.0
10The Baron 1.8.125450.00.00.00.00.00.00.09.441.6 100.0
11The Baron 1.7.024590.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1The Baron 3.44 64-bit 4CPU2996 3166700000000
2The Baron 3.43 64-bit 4CPU2943316 220367163710000
3The Baron 3.43 64-bit287467220 198877845750000
4The Baron 3.44 64-bit28740319 17360000
5The Baron 3.41 64-bit282006788717 1030104212363
6The Baron 3.42 64-bit2781016378431030 6011546530
7The Baron 3.29 64-bit277307157561042601 80141828881
8The Baron 2.23 64-bit2555000012154801 14922669631
9The Baron 2.23 32-bit254700003654181492 846214
10The Baron 1.8.125450000632882669846 626
11The Baron 1.7.0245900003081631214626 
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
1The Baron 3.44 64-bit 4CPU2996 31.14.00.00.00.00.00.00.00.00.0
2The Baron 3.43 64-bit 4CPU294331.1 13.10.34.011.12.30.00.00.00.0
3The Baron 3.43 64-bit28744.013.1 1.137.836.715.30.00.00.00.0
4The Baron 3.44 64-bit28740.00.31.1 1.00.20.20.00.00.00.0
5The Baron 3.41 64-bit28200.04.037.81.0 48.227.70.20.10.20.1
6The Baron 3.42 64-bit27810.011.136.70.248.2 16.92.13.30.10.0
7The Baron 3.29 64-bit27730.02.315.30.227.716.9 9.111.56.32.0
8The Baron 2.23 64-bit25550.00.00.00.00.22.19.1 20.532.68.1
9The Baron 2.23 32-bit25470.00.00.00.00.13.311.520.5 28.38.4
10The Baron 1.8.125450.00.00.00.00.20.16.332.628.3 18.0
11The Baron 1.7.024590.00.00.00.00.10.02.08.18.418.0 
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 105 common opponents

Custom engine selection
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.43
64-bit
4CPU
The
Baron
3.43
64-bit
The
Baron
3.44
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
Fire 6.1 64-bit3289    0%
0/1
0%
0/1
     
Defenchess 1.1f 64-bit3047  50%
0.5/1
0%
0/1
       
Hakkapeliitta TCEC v2 64-bit302147%
15.5/33
31%
15/49
0%
0/1
        
Gaviota 1.0 64-bit 4CPU297358%
19/33
49%
24.5/50
         
Amoeba 2.8 64-bit295245%
15/33
55%
27.5/50
         
Deuterium 2018.1.35.514 64-bit295255%
18/33
 32%
10/31
        
Cheng 4.39 64-bit2946  47%
15/32
 0%
0/1
 0%
0/1
    
DisasterArea 1.65 64-bit 4CPU293273%
24/33
47%
16.5/35
         
Spark 1.0 64-bit2927  39%
12.5/32
   0%
0/2
    
Deep Sjeng c't 20102926    50%
0.5/1
 100%
1/1
    
Atlas 3.91 64-bit2925 53%
26.5/50
41%
13/32
  23%
7.5/32
     
Spike 1.4 Leiden2922  47%
15.5/33
50%
0.5/1
0%
0/1
      
DiscoCheck 5.2.1 64-bit2914  53%
17/32
 0%
0/1
      
EXchess 7.97b 64-bit2914  55%
17.5/32
50%
0.5/1
       
Quazar 0.4 64-bit2901 68%
25/37
45%
14/31
0%
0/1
  0%
0/2
    
Zurichess Neuchatel 64-bit2901 43%
16/37
42%
12.5/30
 22%
6.5/30
 25%
7/28
    
Thinker 5.4d Inert 64-bit2886  45%
14.5/32
   30%
9.5/32
    
Deuterium 14.3.34.130 64-bit2883    37%
11.5/31
36%
11.5/32
34%
11.5/34
    
Murka 3 64-bit2882  57%
17/30
 44%
14/32
31%
10/32
55%
12/22
    
Atlas 3.80 64-bit2875    41%
25.5/62
30%
9/30
30%
10/33
    
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.43
64-bit
4CPU
The
Baron
3.43
64-bit
The
Baron
3.44
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
Gaviota 1.0 64-bit2873  47%
14.5/31
 41%
13/32
23%
7.5/32
23%
7/31
    
Tucano 7.00 64-bit2872  58%
18/31
 42%
13.5/32
47%
14/30
     
MinkoChess 1.3 64-bit2870  50%
16/32
 48%
15.5/32
39%
12.5/32
29%
9/31
    
DisasterArea 1.65 64-bit2866  47%
14.5/31
 47%
15/32
48%
15.5/32
     
Nemo 1.0.1 64-bit2857  50%
15.5/31
 52%
16/31
35%
21.5/62
39%
12.5/32
    
Scorpio 2.7.8 64-bit2848    55%
16.5/30
45%
13.5/30
     
Defenchess 1.0 64-bit2845    39%
24/61
 43%
22.5/52
    
Onno 1.2.70 64-bit2845  61%
19.5/32
 48%
15.5/32
42%
13.5/32
38%
12/32
    
Zappa Mexico II 64-bit2844  57%
17/30
 41%
13/32
44%
13.5/31
50%
0.5/1
    
Deep Sjeng WC2008 64-bit2843  48%
15.5/32
  37%
11.5/31
     
Marvin 3.2.0 64-bit2828  50%
16/32
100%
1/1
       
Tornado 8.0 64-bit2827  55%
17.5/32
 44%
27/61
42%
13.5/32
30%
10/33
    
Octochess r5506 64-bit2824    52%
15.5/30
 33%
10/30
    
Rhetoric 1.4.3 64-bit2805  67%
21.5/32
100%
1/1
59%
36.5/62
 35%
12/34
    
Godel 4.0.7 64-bit2804  78%
23.5/30
 60%
18/30
48%
15.5/32
     
RuyDos 1.1.6 64-bit2798 70%
35/50
   52%
16/31
     
Ktulu 92782  100%
1/1
 55%
16.5/30
      
Octochess r5190 64-bit2778  61%
19/31
 60%
18.5/31
      
Bright 0.5c2772    59%
19/32
 50%
0.5/1
    
Frenzee 3.5.19 64-bit2770    57%
16.5/29
 50%
1/2
    
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.43
64-bit
4CPU
The
Baron
3.43
64-bit
The
Baron
3.44
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
Pawny 1.2 64-bit2768    68%
17/25
 55%
34.5/63
    
Twisted Logic 20100131x 64-bit2767   0%
0/1
55%
17/31
      
Jonny 4.002763    100%
1/1
 100%
1/1
    
Bison 9.11 64-bit2762  100%
1/1
50%
0.5/1
55%
16.5/30
      
BugChess2 1.9 64-bit2759   50%
1/2
75%
1.5/2
      
RuyDos 1.0.27 64-bit2758    48%
13/27
70%
21/30
50%
14/28
    
Gogobello 1.4 64-bit2755    61%
19/31
50%
14/28
     
Godel 3.4.9 64-bit2742     50%
15/30
50%
0.5/1
    
Chronos 1.9.9 64-bit2740     52%
15.5/30
100%
1/1
31%
9.5/31
   
Shield 2.1 64-bit2740   50%
0.5/1
100%
1/1
52%
16.5/32
     
Cheese 1.9 64-bit2732    100%
1/1
 48%
15.5/32
    
Spike 1.2 Turin2731       42%
13.5/32
25%
8/32
 13%
4/31
Karballo 1.8 64-bit2730    50%
0.5/1
52%
12/23
     
Chess Tiger 2007.12714    100%
1/1
  33%
10.5/32
   
Naum 2.0 32-bit2700       24%
7/29
  0%
0/1
Delfi 5.42683     67%
20/30
 31%
20/64
33%
10.5/32
  
Alaric 7072664      74%
24.5/33
39%
26/66
28%
9/32
  
Cheese 1.7 64-bit2656      70%
22.5/32
41%
13/32
   
Nebula 2.0 64-bit2654    100%
1/1
 70%
22.5/32
50%
5/10
   
Phalanx XXV2653     50%
0.5/1
100%
1/1
    
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.43
64-bit
4CPU
The
Baron
3.43
64-bit
The
Baron
3.44
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
Colossus 2008b2642      62%
20.5/33
38%
24.5/65
35%
22/63
  
E.T. Chess 13.01.082634      77%
24.5/32
41%
27/66
33%
10.5/32
35%
21.5/62
 
Alfil 8.1.1 Optimized2626       43%
28.5/66
39%
12.5/32
39%
12.5/32
 
WildCat 82624      74%
24.5/33
37%
24.5/66
38%
12/32
22%
7/32
 
Movei 00.8.438 (10 10 10)2623      70%
23/33
49%
32.5/66
38%
12/32
41%
13/32
 
Sloppy 0.2.2 64-bit2617      84%
27/32
20%
4.5/22
   
Slow Chess Blitz WV2.12615      78%
25/32
36%
24/66
31%
9.5/31
39%
12.5/32
28%
13.5/49
Colossus 2007d2611       41%
14/34
 45%
14.5/32
 
ProDeo 1.62609       35%
12/34
55%
11/20
52%
16.5/32
 
Ruffian 2.1.02609      76%
23.5/31
36%
11.5/32
   
Pharaon 3.5.12604       56%
19/34
 61%
19.5/32
50%
1/2
Zappa 1.1 64-bit2604       43%
14.5/34
 41%
13/32
 
List 5.122592       44%
15/34
 28%
9/32
0%
0/2
ProDeo 1.12588       47%
15/32
  28%
8.5/30
Ruffian 1.0.52586       40%
13.5/34
38%
12/32
47%
14.5/31
0%
0/1
Pseudo 0.7c2576       53%
18/34
 39%
12.5/32
27%
8.5/31
SOS 5.12574       29%
10/34
53%
16.5/31
62%
20/32
50%
0.5/1
Aristarch 4.502567     50%
0.5/1
 65%
22/34
 34%
10.5/31
 
Booot 4.13.12564       62%
21/34
 47%
15/32
 
Hamsters 0.62560       65%
22/34
 48%
15.5/32
 
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.43
64-bit
4CPU
The
Baron
3.43
64-bit
The
Baron
3.44
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
Petir 4.9999992556       55%
36.5/66
41%
13/32
47%
15/32
 
Jonny 2.83 32-bit2552       50%
17/34
 48%
15.5/32
0%
0/1
BugChess2 1.5.22548       53%
18/34
 45%
14.5/32
 
Anaconda 2.0.12546       56%
38/68
 58%
18.5/32
 
Ktulu 4.22545       47%
16/34
 50%
16/32
 
Crafty 21.5 64-bit2544       49%
16.5/34
 44%
14/32
 
Fritz 5.322540       63%
21.5/34
 52%
17/33
17%
0.5/3
Ufim 8.022540       55%
36.5/66
 67%
21.5/32
35%
9.5/27
SmarThink 0.17a2537       59%
20/34
 48%
15.5/32
 
Thinker 4.7a2536       54%
18.5/34
 50%
16/32
57%
17/30
Movei 00.8.4032533         50%
15.5/31
42%
12.5/30
AnMon 5.602518       60%
20.5/34
55%
17.5/32
61%
19.5/32
45%
13.5/30
E.T. Chess 18.11.052512         56%
18/32
53%
16/30
Little Goliath Evolution 3.122505    50%
0.5/1
  55%
36.5/66
 45%
29/64
38%
10.5/28
Yace 0.99.872504       57%
20/35
 64%
20.5/32
 
Trace 1.37a2500    100%
1/1
  66%
43.5/66
61%
19.5/32
59%
19/32
 
Pepito 1.59 32-bit2493       59%
20/34
 56%
18/32
 
Bruja 1.9.1 64-bit2491       62%
21/34
 67%
21.5/32
 
Green Light Chess 3.002478       59%
20/34
 53%
17/32
 
Cerebro 3.03d2472       53%
15.5/29
63%
19.5/31
57%
19.5/34
 
NameEloThe
Baron
3.44
64-bit
4CPU
The
Baron
3.43
64-bit
4CPU
The
Baron
3.43
64-bit
The
Baron
3.44
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
Amyan 1.5972462         55%
17.5/32
55%
16.5/30
SpiderChess 0706032440       62%
20/32
70%
22.5/32
53%
16/30
 
LambChop 10.992434     100%
1/1
  66%
42/64
  
Dragon 4.62418        62%
20/32
 50%
0.5/1
Cheese 1.22331       77%
24.5/32
73%
23.5/32
  
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:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on November 14, 2019