CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 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 Intel CPU.
Computed on July 19, 2019 with Bayeselo based on 1'068'538 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+
1Plisk 0.2.7d 64-bit2358+20−2048.6%+10.427.9%901 
72.4%
 Plisk 0.2.7d 32-bit2349+21−2149.8%−0.125.7%787
51.5%
 Plisk 0.2.6 32-bit2348+33−3349.2%+7.427.0%322
80.7%
 Plisk 0.2.6 64-bit2328+32−3248.1%+11.622.0%359
 

Results matrix

Custom engine selection
#NameElo1234
1Plisk 0.2.7d 64-bit2358    
2Plisk 0.2.7d 32-bit2349    
3Plisk 0.2.6 32-bit2348    
4Plisk 0.2.6 64-bit2328    
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
#NameElo1234
1Plisk 0.2.7d 64-bit2358 72.468.794.0
2Plisk 0.2.7d 32-bit234927.6 51.585.8
3Plisk 0.2.6 32-bit234831.348.5 80.7
4Plisk 0.2.6 64-bit23286.014.219.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Plisk 0.2.7d 64-bit2358 1535963
2Plisk 0.2.7d 32-bit2349153 309176
3Plisk 0.2.6 32-bit234859309 72
4Plisk 0.2.6 64-bit23286317672 
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
#NameElo1234
1Plisk 0.2.7d 64-bit2358 9.14.85.0
2Plisk 0.2.7d 32-bit23499.1 27.915.4
3Plisk 0.2.6 32-bit23484.827.9 10.6
4Plisk 0.2.6 64-bit23285.015.410.6 
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 55 common opponents

Custom engine selection
NameEloPlisk
0.2.7d
64-bit
Plisk
0.2.7d
32-bit
Plisk
0.2.6
32-bit
Plisk
0.2.6
64-bit
NirvanaChess 1.1 64-bit2549  0%
0/1
0%
0/2
CuckooChess 1.092508 0%
0/4
30%
3/10
 
nanoSzachy 3.82437 42%
5/12
44%
3.5/8
 
Murka 2 32-bit2432 25%
2.5/10
25%
2.5/10
 
GreKo 7.2 32-bit2428 38%
1.5/4
0%
0/4
 
Glass 1.62427 44%
3.5/8
62%
2.5/4
27%
6.5/24
Delphil 2.6a2415 50%
2/4
38%
1.5/4
 
RomiChess P3n 64-bit241350%
1.5/3
25%
1.5/6
  
Amy 0.87b2402100%
2/2
 38%
1.5/4
 
Patzer 3.80240250%
1/2
0%
0/1
  
Rodin 3.02402 46%
6/13
50%
2/4
29%
7/24
Sjakk 2.0 64-bit2402  0%
0/1
25%
0.5/2
Pawny 0.2 32-bit2400 50%
4/8
12%
0.5/4
 
Gosu 0.16239530%
1.5/5
70%
3.5/5
 46%
11/24
Myrddin 0.87 64-bit239458%
3.5/6
38%
1.5/4
  
Horizon 4.42385 100%
1/1
 46%
11/24
Comet B68238367%
2/3
 25%
1/4
 
Ares 1.0042372 46%
24.5/53
56%
4.5/8
48%
11.5/24
iCE 0.2237162%
2.5/4
45%
4.5/10
  
Waxman 2017236950%
1.5/3
 30%
3/10
 
NameEloPlisk
0.2.7d
64-bit
Plisk
0.2.7d
32-bit
Plisk
0.2.6
32-bit
Plisk
0.2.6
64-bit
TJchess 1.1 64-bit236458%
7/12
  0%
0/2
OliThink 5.3.0 32-bit2357 46%
11/24
38%
4.5/12
 
GreKo 5.92348  0%
0/1
50%
1/2
Tytan 9.32 32-bit2346 64%
4.5/7
50%
2/4
 
Ifrit m1.6 32-bit2344  50%
0.5/1
50%
1/2
Arion 1.72341 50%
1/2
50%
2/4
 
Ghost 2.0.1234125%
0.5/2
49%
18.5/38
67%
8/12
 
Aice 0.99.22337 20%
1/5
 50%
12/24
Maverick 0.51 64-bit233775%
1.5/2
  60%
6/10
Butcher 1.61 64-bit2335  0%
0/1
60%
15.5/26
Amundsen 0.802327 57%
4/7
62%
2.5/4
 
EveAnn 1.712326  100%
1/1
50%
1/2
Sjakk 1.1.9232533%
3/9
60%
6/10
  
Chezzz 1.0.3232150%
2/4
50%
2/4
62%
2.5/4
 
ECE 12.01231839%
5.5/14
62%
5/8
  
Mediocre 0.423170%
0/1
78%
12.5/16
  
KnightX 1.92231667%
4/6
 62%
2.5/4
 
Averno 0.81231275%
4.5/6
 88%
3.5/4
 
Cheese 1.32308 100%
2/2
25%
1/4
 
Waxman 2011230365%
6.5/10
100%
2/2
0%
0/1
50%
1/2
NameEloPlisk
0.2.7d
64-bit
Plisk
0.2.7d
32-bit
Plisk
0.2.6
32-bit
Plisk
0.2.6
64-bit
Alex 2.092300  0%
0/1
100%
2/2
Joker 1.1.14230050%
0.5/1
75%
3/4
  
Anechka 0.082299 75%
1.5/2
75%
3/4
 
Zeus 1.292298 50%
2/4
 50%
1/2
Chaturanga 2.4.3229050%
1/2
64%
22.5/35
  
FireFly 2.7.0 64-bit228662%
2.5/4
  31%
2.5/8
Butcher 1.60n12284 50%
2/4
62%
2.5/4
 
AliChess 4.25228344%
3.5/8
66%
10.5/16
  
Rhetoric Lite228158%
3.5/6
  50%
1/2
Sungorus 1.4 32-bit2259 60%
15.5/26
88%
7/8
 
AliChess 4.212257 75%
3/4
56%
4.5/8
 
RattateChess 1.0 Nosferatu2251 25%
1/4
100%
4/4
 
MadChess 1.4 64-bit224775%
3/4
  75%
7.5/10
Dolphin 1.0 64-bit222988%
3.5/4
65%
6.5/10
  
Beowulf 2.4a 32-bit2217 25%
0.5/2
38%
1.5/4
 
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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Match length (Minimum number of games to highlight with color):

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Reference rating list:
Recalibrate:
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Created in 2005-2013 by CCRL team
Last games added on July 19, 2019