CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 3 engines!
3 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 October 12, 2019 with Bayeselo based on 2'115'766 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+
1Mediocre 0.5 64-bit2321+12−1249.6%+3.222.5%2709 
100.0%
 Mediocre 0.52262+15−1549.5%+3.721.7%1613
100.0%
 Mediocre 0.42196+17−1746.2%+27.521.5%1337
 

Results matrix

Custom engine selection
#NameElo123
1Mediocre 0.5 64-bit2321   
2Mediocre 0.52262   
3Mediocre 0.42196   
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
#NameElo123
1Mediocre 0.5 64-bit2321 100.0100.0
2Mediocre 0.522620.0 100.0
3Mediocre 0.421960.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Mediocre 0.5 64-bit2321 1171589
2Mediocre 0.522621171 1687
3Mediocre 0.421965891687 
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
#NameElo123
1Mediocre 0.5 64-bit2321 27.114.6
2Mediocre 0.5226227.1 57.2
3Mediocre 0.4219614.657.2 
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 37 common opponents

Custom engine selection
NameEloMediocre
0.5
64-bit
Mediocre
0.5
Mediocre
0.4
Magnum 4.0 32-bit2492100%
1/1
25%
2.5/10
 
Terra 3.4236944%
14.5/33
36%
11.5/32
 
Alex 2.14a 64-bit234848%
15.5/32
55%
17.5/32
 
Plisk 0.2.7d 64-bit2343100%
2/2
34%
11/32
 
Horizon 4.4234233%
10.5/32
38%
12/32
 
TJchess 1.1 64-bit233853%
17/32
39%
12.5/32
 
Queen 4.03233745%
14.5/32
47%
15/32
 
Ares 1.0042333 45%
14.5/32
34%
11/32
Arion 1.7233339%
12.5/32
42%
13/31
30%
9.5/32
Sage 3.53232552%
16.5/32
36%
11.5/32
42%
13/31
Chezzz 1.0.3232453%
17.5/33
27%
8.5/32
36%
11.5/32
CyberPagno 2.2 64-bit232152%
16.5/32
40%
11.5/29
 
Sungorus 1.4 64-bit231459%
19.5/33
42%
13.5/32
25%
8/32
Averno 0.81230856%
18/32
38%
12/32
 
KnightX 1.92229765%
22/34
42%
13.5/32
35%
11/31
Popochin 3.2227545%
14.5/32
48%
15.5/32
44%
14/32
Sjakk 1.1.92274 45%
14.5/32
41%
13/32
Esc 1.16226755%
17/31
42%
13.5/32
31%
10/32
Butcher 1.61 64-bit226450%
16/32
58%
17.5/30
 
Zeus 1.29226275%
24/32
59%
19/32
50%
16/32
NameEloMediocre
0.5
64-bit
Mediocre
0.5
Mediocre
0.4
Natwarlal 0.14226158%
19/33
47%
14.5/31
34%
10.5/31
Absolute Zero 2.4.0.0 64-bit226055%
17.5/32
52%
16.5/32
 
Capivara LK 0.08a11 64-bit2253 44%
14/32
50%
15.5/31
Myrddin 0.85 64-bit2237 67%
21.5/32
39%
12.5/32
Ant 2006-F2236 55%
17.5/32
45%
14/31
Anechka 0.082235 60%
18.5/31
39%
12.5/32
AliChess 4.252229100%
1/1
56%
18/32
34%
11/32
Jazz 501 64-bit2225 58%
18.5/32
52%
16.5/32
OBender 3.2.x2225 55%
17.5/32
45%
14.5/32
Adam 3.322200%
0/1
64%
20.5/32
34%
11/32
Chispa 4.0.32207100%
1/1
56%
18/32
44%
14/32
CyberPagno 2.12206 50%
16/32
47%
15/32
Waxman 20112205 56%
17.5/31
48%
15.5/32
Beowulf 2.4a 32-bit220350%
0.5/1
52%
16.5/32
52%
16.5/32
Shallow 1.0 64-bit2192 58%
18.5/32
45%
28.5/64
Uralochka 1.1b2189 55%
17.5/32
47%
15/32
Atak 6.82185 72%
23/32
61%
19.5/32
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
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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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Match length (Minimum number of games to highlight with color):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on October 12, 2019