CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 9 engines!
9 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 16, 2019 with Bayeselo based on 2'132'153 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+
1Atlas 3.91 64-bit2925+12−1246.9%+20.034.5%2568 
72.3%
 Atlas 3.90 64-bit2914+33−3353.5%−21.534.6%298
98.8%
 Atlas 3.80 64-bit2875+10−1052.6%−18.234.9%3412
100.0%
 Atlas 3.60 64-bit2703+14−1445.9%+29.429.2%1809
99.5%
 Atlas 3.50 64-bit2674+17−1752.4%−16.931.1%1205
100.0%
 Atlas 3.25 64-bit2570+15−1550.4%−2.324.3%1670
97.9%
 Atlas 3.20 64-bit2533+32−3261.2%−93.118.5%410
100.0%
 Atlas 3.14b 64-bit2436+13−1349.9%−0.723.8%2166
100.0%
 Atlas 2.202193+12−1249.6%+1.018.6%2931
 

Results matrix

Custom engine selection
#NameElo123456789
1Atlas 3.91 64-bit2925         
2Atlas 3.90 64-bit2914         
3Atlas 3.80 64-bit2875         
4Atlas 3.60 64-bit2703         
5Atlas 3.50 64-bit2674         
6Atlas 3.25 64-bit2570         
7Atlas 3.20 64-bit2533         
8Atlas 3.14b 64-bit2436         
9Atlas 2.202193         
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
#NameElo123456789
1Atlas 3.91 64-bit2925 72.3100.0100.0100.0100.0100.0100.0100.0
2Atlas 3.90 64-bit291427.7 98.8100.0100.0100.0100.0100.0100.0
3Atlas 3.80 64-bit28750.01.2 100.0100.0100.0100.0100.0100.0
4Atlas 3.60 64-bit27030.00.00.0 99.5100.0100.0100.0100.0
5Atlas 3.50 64-bit26740.00.00.00.5 100.0100.0100.0100.0
6Atlas 3.25 64-bit25700.00.00.00.00.0 97.9100.0100.0
7Atlas 3.20 64-bit25330.00.00.00.00.02.1 100.0100.0
8Atlas 3.14b 64-bit24360.00.00.00.00.00.00.0 100.0
9Atlas 2.2021930.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1Atlas 3.91 64-bit2925 3568591667889690
2Atlas 3.90 64-bit2914356 50150070000
3Atlas 3.80 64-bit2875859501 785194785130
4Atlas 3.60 64-bit270316650785 85645388300
5Atlas 3.50 64-bit2674780194856 8112233480
6Atlas 3.25 64-bit2570897078453811 2014870
7Atlas 3.20 64-bit2533605188223201 471290
8Atlas 3.14b 64-bit243690330348487471 664
9Atlas 2.202193000000290664 
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
#NameElo123456789
1Atlas 3.91 64-bit2925 12.414.43.82.12.10.20.20.0
2Atlas 3.90 64-bit291412.4 13.52.40.03.60.00.00.0
3Atlas 3.80 64-bit287514.413.5 15.04.21.51.30.10.0
4Atlas 3.60 64-bit27033.82.415.0 28.413.04.00.80.0
5Atlas 3.50 64-bit26742.10.04.228.4 28.213.810.30.0
6Atlas 3.25 64-bit25702.13.61.513.028.2 9.712.70.0
7Atlas 3.20 64-bit25330.20.01.34.013.89.7 18.38.7
8Atlas 3.14b 64-bit24360.20.00.10.810.312.718.3 13.0
9Atlas 2.2021930.00.00.00.00.00.08.713.0 
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 121 common opponents

Custom engine selection
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Protector 1.9.0 64-bit308530%
10/33
 50%
0.5/1
      
iCE 3.0 64-bit308125%
8/32
 0%
0/1
      
Bobcat 8.0 64-bit295742%
14/33
 30%
9.5/32
      
Cheng 4.39 64-bit294547%
15/32
 47%
16/34
      
Amoeba 2.7 64-bit293852%
16.5/32
41%
9.5/23
       
Spark 1.0 64-bit292725%
0.5/2
 56%
18.5/33
      
Deep Sjeng c't 20102925100%
1/1
40%
9.5/24
50%
1/2
      
DiscoCheck 5.2.1 64-bit291462%
20/32
48%
11/23
48%
15/31
      
Quazar 0.4 64-bit290151%
17.5/34
57%
17/30
41%
13/32
  9%
3.5/40
   
Zurichess Neuchatel 64-bit290050%
16/32
53%
16/30
59%
34.5/58
      
chess22k 1.7 64-bit2898 63%
19/30
55%
16.5/30
      
Thinker 5.4d Inert 64-bit2886 58%
14/24
40%
12.5/31
      
Deuterium 14.3.34.130 64-bit288361%
19.5/32
56%
13.5/24
44%
15/34
      
Murka 3 64-bit288265%
20/31
47%
14/30
30%
9/30
30%
6/20
     
Gaviota 1.0 64-bit287383%
2.5/3
 36%
11.5/32
      
Tucano 7.00 64-bit287250%
0.5/1
 48%
28.5/60
      
MinkoChess 1.3 64-bit287056%
17.5/31
 43%
12/28
5%
0.5/10
22%
7/32
    
Dirty 30Apr2017 64-bit286525%
0.5/2
 52%
16/31
      
Nemo 1.0.1 64-bit285662%
20/32
 48%
16/33
      
Zappa Mexico II 64-bit2844100%
2/2
  31%
10/32
     
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Tornado 8.0 64-bit2827100%
1/1
 66%
21/32
      
Octochess r5506 64-bit2824 62%
18.5/30
70%
19.5/28
      
Rhetoric 1.4.3 64-bit280564%
20.5/32
 65%
21.5/33
      
Scorpio 2.7.5 64-bit2804   40%
4/10
 0%
0/10
   
Gaviota 0.86 64-bit2799   44%
17/39
39%
15.5/40
    
Fruit 2.3.1278075%
1.5/2
 66%
16.5/25
      
The Baron 3.42 64-bit278077%
24.5/32
 70%
21/30
      
Octochess r5190 64-bit277873%
23.5/32
 58%
18/31
52%
16.5/32
     
Rhetoric 1.4.1 64-bit2778  61%
19.5/32
31%
10/32
     
Bright 0.5c277150%
0.5/1
 25%
0.5/2
31%
10/32
     
Twisted Logic 20090922 64-bit2770  68%
21/31
23%
7.5/32
     
Frenzee 3.5.19 64-bit2769  71%
23.5/33
45%
9/20
     
Pawny 1.2 64-bit276883%
2.5/3
 66%
21/32
      
Twisted Logic 20100131x 64-bit2766100%
3/3
 50%
1/2
      
EXchess 7.18b 64-bit2764   52%
10.5/20
50%
5/10
    
Jonny 4.002763  62%
20/32
45%
4.5/10
     
NirvanaChess 1.3 64-bit2762   39%
12.5/32
30%
9.5/32
    
Dirty 20Apr2013 64-bit2761  60%
18.5/31
45%
4.5/10
     
BugChess2 1.9 64-bit2758100%
1/1
 62%
20/32
55%
21.5/39
     
Gogobello 1.4 64-bit2755100%
2/2
 77%
24/31
      
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Hakkapeliitta 2.0 64-bit2747  69%
22/32
33%
10.5/32
     
Godel 3.4.9 64-bit2741  64%
21/33
38%
11/29
     
Chronos 1.9.9 64-bit2739  71%
23.5/33
58%
18.5/32
45%
14.5/32
    
Arasan 16.2 64-bit2727   70%
7/10
50%
16/32
    
Deuterium 13.1.31.113 64-bit2721   28%
5.5/20
45%
14.5/32
    
iCE 1.0 64-bit2721   62%
12.5/20
41%
13/32
15%
4.5/31
   
Chess Tiger 2007.12713  61%
19/31
48%
14.5/30
61%
19.5/32
    
Bobcat 3.25 64-bit2712  69%
21.5/31
58%
22.5/39
  28%
5.5/20
  
Cheng4 0.35a 64-bit2711   45%
14.5/32
45%
14.5/32
    
RedQueen 1.1.4 64-bit2689   54%
13/24
47%
15/32
    
Delfi 5.42682100%
1/1
  61%
19.5/32
50%
16/32
    
Vajolet 2.482667   71%
5/7
56%
17.5/31
    
Alaric 7072663   55%
5.5/10
56%
18/32
 32%
6/19
  
Nebula 2.0 64-bit265450%
0.5/1
  70%
7/10
35%
3.5/10
45%
4.5/10
   
Pawny 1.0 64-bit2647   83%
7.5/9
 52%
16.5/32
   
Colossus 2008b2642  50%
0.5/1
75%
7.5/10
35%
3.5/10
45%
14.5/32
   
E.T. Chess 13.01.082634   75%
7.5/10
 33%
10.5/32
   
Gandalf 62627   66%
21/32
 42%
13.5/32
   
Vajolet 2.032627   55%
5.5/10
80%
8/10
    
Movei 00.8.438 (10 10 10)2623   56%
18/32
 44%
14/32
   
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
WildCat 82623   65%
6.5/10
 39%
12.5/32
   
Philou 3.7.1 64-bit2620   45%
4.5/10
30%
3/10
30%
6/20
   
Godel 2.3.7 64-bit2618   75%
7.5/10
 31%
10/32
   
Rotor 0.8261250%
0.5/1
  71%
5/7
     
Glass 2.0 64-bit2610    56%
23.5/42
31%
10/32
   
Ruffian 2.1.02608    47%
15/32
39%
12.5/32
   
Amyan 1.722604  0%
0/1
 62%
26/42
48%
15.5/32
 29%
3.5/12
 
Pharaon 3.5.12603    55%
17.5/32
  29%
5/17
 
Djinn 0.987 64-bit2601   61%
5.5/9
58%
24.5/42
52%
16.5/32
   
Glass 1.9 64-bit2601   65%
6.5/10
 44%
14/32
 22%
7/32
 
GarboChess 2.10 64-bit2598    61%
19.5/32
38%
12/32
   
GNU Chess 5.07.173b 64-bit2597    59%
19/32
59%
19/32
 42%
5/12
 
Arminius 2013-08-10 64-bit2596   57%
4/7
70%
22.5/32
    
N2 0.4 64-bit2590100%
1/1
   75%
7.5/10
  38%
4.5/12
 
Francesca MAD 0.192581    68%
28/41
  38%
4.5/12
 
Hamsters 0.7.12578   85%
8.5/10
59%
19/32
    
Tucano 2.00 64-bit2576    64%
27/42
39%
12.5/32
   
SOS 5.12573    60%
6/10
 56%
10/18
  
Rodin 6.02570    62%
20/32
45%
14/31
   
Aristarch 4.502566    75%
7.5/10
 61%
11.5/19
  
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
nanoSzachy 4.0 64-bit2543    50%
5/10
53%
16/30
44%
8/18
  
Ufim 8.022540     69%
22/32
47%
8.5/18
  
AnMon 5.752539100%
1/1
   50%
5/10
47%
15/32
58%
11/19
  
Rodin 5.12538     56%
23.5/42
 33%
10.5/32
 
Hermann 2.8 64-bit25310%
0/1
   75%
7.5/10
56%
18/32
40%
8/20
33%
4/12
 
Pepito 1.59.2 64-bit2521    72%
6.5/9
62%
20/32
 48%
15.5/32
 
Rodin 4.02512      67%
12/18
21%
2.5/12
 
Green Light Chess 3.01.2.22505    90%
9/10
  56%
18/32
 
Little Goliath Evolution 3.122505100%
1/1
    69%
22/32
   
Yace 0.99.872503    55%
5.5/10
 56%
10/18
31%
10/32
 
Trace 1.37a2500    70%
7/10
  45%
14.5/32
 
Murka 2 64-bit2482     58%
11.5/20
 45%
14.5/32
 
Cheese 1.4 64-bit2476     50%
5/10
 42%
13.5/32
 
Cerebro 3.03d2471    80%
8/10
  38%
11.5/30
 
Dorky 4.3 64-bit2466     61%
5.5/9
 62%
7.5/12
 
Abrok 5.02435      58%
11/19
59%
10/17
12%
1/8
Eeyore 1.52 64-bit2427     90%
9/10
 67%
8/12
 
Gaia 3.5 64-bit2425      67%
12/18
71%
12/17
 
Nejmet 3.072425       56%
9.5/17
22%
6.5/29
Hussar 0.42419     60%
6/10
 71%
8.5/12
 
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
Dragon 4.62417       53%
17/32
22%
6.5/30
RomiChess P3L 64-bit2412     60%
6/10
 53%
16/30
 
OliThink 5.3.2 64-bit2402100%
1/1
    70%
7/10
   
Leila 0.53h2388      53%
9.5/18
38%
6.5/17
 
Gosu 0.162382       55%
17.5/32
19%
1.5/8
Comet B682377       58%
18.5/32
25%
0.5/2
Muse 0.899b2371       53%
9/17
50%
4/8
Amateur 2.822351      87%
16.5/19
50%
8.5/17
19%
12/62
Plisk 0.2.7d 64-bit2343       47%
15/32
38%
11.5/30
TJchess 1.1 64-bit2338      79%
15/19
78%
15.5/20
 
Arion 1.72332      45%
8.5/19
62%
10.5/17
30%
21.5/72
Sage 3.532325100%
1/1
      61%
19.5/32
 
Chezzz 1.0.32324       61%
19.5/32
45%
14.5/32
Joker 1.1.142306      92%
17.5/19
 35%
10.5/30
KnightX 1.922297       56%
9.5/17
32%
11/34
Anechka 0.082235      92%
16.5/18
62%
10.5/17
48%
31/64
Waxman 20102234      76%
14.5/19
50%
8.5/17
 
AliChess 4.252229      75%
13.5/18
71%
12/17
44%
13.5/31
Adam 3.32220      100%
19/19
68%
11.5/17
 
Buzz 0.08 64-bit2216       74%
12.5/17
48%
15.5/32
NameEloAtlas
3.91
64-bit
Atlas
3.90
64-bit
Atlas
3.80
64-bit
Atlas
3.60
64-bit
Atlas
3.50
64-bit
Atlas
3.25
64-bit
Atlas
3.20
64-bit
Atlas
3.14b
64-bit
Atlas
2.20
NagaSkaki 5.122155       74%
12.5/17
62%
21/34
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 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