CCRL 40/4
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 2'102'110 games
played by 2'449 programs
28319 CPU days (X2 4600+)

White wins: 816'272 (38.8%)
Black wins: 660'160 (31.4%)
Draws: 625'678 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 5 engines!
5 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 Intel CPU.
Computed on September 21, 2019 with Bayeselo based on 2'102'110 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+
1Gibbon 2.60a 64-bit2332+18−1844.9%+37.622.1%1178 
70.6%
 Gibbon 2.69a 64-bit2326+13−1347.6%+18.121.4%2176
100.0%
 Gibbon 2.57a 64-bit2286+15−1547.5%+20.323.3%1652
100.0%
 Gibbon 2.52a2214+25−2549.6%+0.819.0%641
100.0%
 Gibbon 2.01b2019+39−3942.6%+70.219.1%272
 

Results matrix

Custom engine selection
#NameElo12345
1Gibbon 2.60a 64-bit2332     
2Gibbon 2.69a 64-bit2326     
3Gibbon 2.57a 64-bit2286     
4Gibbon 2.52a2214     
5Gibbon 2.01b2019     
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
#NameElo12345
1Gibbon 2.60a 64-bit2332 70.6100.0100.0100.0
2Gibbon 2.69a 64-bit232629.4 100.0100.0100.0
3Gibbon 2.57a 64-bit22860.00.0 100.0100.0
4Gibbon 2.52a22140.00.00.0 100.0
5Gibbon 2.01b20190.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1Gibbon 2.60a 64-bit2332 13481072048
2Gibbon 2.69a 64-bit23261348 111115372
3Gibbon 2.57a 64-bit228610721111 44372
4Gibbon 2.52a22140153443 48
5Gibbon 2.01b201948727248 
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
#NameElo12345
1Gibbon 2.60a 64-bit2332 40.237.90.03.3
2Gibbon 2.69a 64-bit232640.2 29.05.42.9
3Gibbon 2.57a 64-bit228637.929.0 19.33.7
4Gibbon 2.52a22140.05.419.3 5.3
5Gibbon 2.01b20193.32.93.75.3 
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 48 common opponents

Custom engine selection
NameEloGibbon
2.60a
64-bit
Gibbon
2.69a
64-bit
Gibbon
2.57a
64-bit
Gibbon
2.52a
Gibbon
2.01b
Eeyore 1.52 64-bit242739%
12.5/32
100%
1/1
   
RomiChess P3L 64-bit241240%
12.5/31
 39%
12.5/32
  
Simplex 0.9.8 64-bit240947%
15/32
50%
0.5/1
   
Ifrit m1.8 64-bit240439%
12.5/32
45%
14.5/32
   
PostModernist 1016238941%
13/32
33%
10.5/32
27%
8.5/32
  
Leila 0.53h238827%
8.5/32
44%
14/32
30%
9.5/32
  
Amy 0.87b238630%
9.5/32
48%
15.5/32
44%
13.5/31
  
Capture R01238434%
11/32
41%
13/32
   
Gosu 0.16238258%
18.5/32
38%
12/32
42%
13.5/32
 0%
0/8
Myrddin 0.87 64-bit238034%
10.5/31
38%
13/34
   
Comet B68237742%
13.5/32
 39%
12.5/32
  
Patzer 3.80237535%
10.5/30
29%
10/34
   
Der Bringer 1.9237453%
17/32
50%
16.5/33
31%
9.5/31
  
Muse 0.899b237284%
18.5/22
50%
13/26
22%
7/32
 6%
0.5/8
Phalanx XXIII beta237053%
17/32
 42%
13/31
  
Terra 3.4236834%
11/32
45%
14.5/32
33%
10.5/32
  
Myrddin 0.86 64-bit236666%
21/32
 48%
15.5/32
  
The Crazy Bishop 0052236448%
15.5/32
55%
18/33
28%
9/32
  
Amateur 2.82235142%
13.5/32
48%
15.5/32
39%
12.5/32
  
Alex 2.14a 64-bit234856%
18/32
41%
13/32
48%
15.5/32
  
NameEloGibbon
2.60a
64-bit
Gibbon
2.69a
64-bit
Gibbon
2.57a
64-bit
Gibbon
2.52a
Gibbon
2.01b
Tigran 2.4n 64-bit234652%
16.5/32
40%
13.5/34
   
Plisk 0.2.7d 64-bit234356%
18/32
51%
17.5/34
47%
14/30
  
Horizon 4.4234258%
18.5/32
29%
9.5/33
36%
11.5/32
  
TJchess 1.1 64-bit2338 52%
16.5/32
47%
15/32
  
Queen 4.03233758%
18.5/32
62%
20/32
34%
11/32
  
Arion 1.72332 58%
19/33
34%
11/32
28%
9/32
38%
3/8
Waxman 2014233244%
14/32
55%
17.5/32
   
EveAnn 1.72232953%
17/32
0%
0/1
   
Sorgenkind 0.42329 50%
1/2
 34%
10.5/31
 
Sage 3.532325 56%
18.5/33
47%
14.5/31
48%
15/31
 
Chezzz 1.0.32324 39%
12.5/32
56%
18/32
  
CyberPagno 2.2 64-bit232141%
13/32
50%
16/32
   
Mediocre 0.5 64-bit232042%
13.5/32
61%
19.5/32
   
Jumbo 0.4.17 64-bit231248%
15.5/32
100%
1/1
   
Asterisk 0.62307 50%
0.5/1
 35%
11/31
 
Joker 1.1.142306 0%
0/1
 39%
12/31
 
KnightX 1.922297 0%
0/2
55%
17.5/32
41%
13/32
 
Ayito 0.2.9942287 0%
0/1
 40%
12/30
 
Popochin 3.22275  58%
18.5/32
34%
10.5/31
 
Esc 1.162267 0%
0/1
58%
18.5/32
  
NameEloGibbon
2.60a
64-bit
Gibbon
2.69a
64-bit
Gibbon
2.57a
64-bit
Gibbon
2.52a
Gibbon
2.01b
Natwarlal 0.142261  69%
22/32
36%
11.5/32
 
Ant 2006-F2236 50%
1/2
62%
20/32
  
Anechka 0.082235 0%
0/1
67%
21.5/32
42%
13/31
 
AliChess 4.252229  58%
18.5/32
52%
16/31
 
Exacto 0.e 64-bit2217 100%
1/1
72%
21.5/30
  
FireFly 2.7.0 64-bit2208 50%
0.5/1
52%
16.5/32
  
Atlas 2.202193   55%
17/31
25%
2/8
Mango Paola Ajedrez 1.02184 50%
0.5/1
70%
22.5/32
  
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%

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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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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 September 21, 2019