CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 games with each other

CCRL 40/15 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 15 minutes on an Intel i7-4770k.
Computed on May 8, 2021 with Bayeselo based on 1'242'291 games
Please refer to the "about" page for comments on engine inclusion

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+
1Butcher 1.61 64-bit2334+30−3048.7%+11.025.2%393 
99.5%
 Butcher 1.60n12285+23−2348.3%+10.431.9%621
49.9%
 Butcher 1.61 32-bit2285+27−2748.1%+14.224.3%493
59.4%
 Butcher 1.64 64-bit2281+20−2048.4%+7.327.2%890
 

Results matrix

Custom engine selection
#NameElo1234
1Butcher 1.61 64-bit2334    
2Butcher 1.60n12285    
3Butcher 1.61 32-bit2285    
4Butcher 1.64 64-bit2281    
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
1Butcher 1.61 64-bit2334 99.599.299.8
2Butcher 1.60n122850.5 49.960.1
3Butcher 1.61 32-bit22850.850.1 59.4
4Butcher 1.64 64-bit22810.239.940.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Butcher 1.61 64-bit2334 1197439
2Butcher 1.60n12285119 41766
3Butcher 1.61 32-bit228574417 144
4Butcher 1.64 64-bit22813966144 
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
1Butcher 1.61 64-bit2334 11.78.43.0
2Butcher 1.60n1228511.7 37.44.4
3Butcher 1.61 32-bit22858.437.4 10.4
4Butcher 1.64 64-bit22813.04.410.4 
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 43 common opponents

Custom engine selection
NameEloButcher
1.61
64-bit
Butcher
1.60n1
Butcher
1.61
32-bit
Butcher
1.64
64-bit
Eeyore 1.52 32-bit2405 12%
0.5/4
62%
2.5/4
 
Gosu 0.16240240%
9.5/24
  75%
1.5/2
Sjakk 2.0 64-bit240233%
1/3
  25%
0.5/2
Sorgenkind 0.4238846%
11/24
40%
6/15
  
Jazz 721 64-bit237750%
1/2
  62%
2.5/4
Ares 1.004237342%
10/24
36%
11.5/32
29%
7.5/26
 
TJchess 1.012370 50%
2/4
19%
1.5/8
 
TJchess 1.1 64-bit23640%
0/2
  33%
6/18
OliThink 5.3.0 32-bit2358 25%
1/4
41%
9/22
 
Flux 2.2.1235744%
10.5/24
25%
0.5/2
  
Plisk 0.2.7d 32-bit2351 50%
2/4
54%
19.5/36
 
Plisk 0.2.6 32-bit2349100%
1/1
38%
1.5/4
  
GreKo 5.9234675%
1.5/2
75%
1.5/2
  
Tytan 9.32 32-bit2346 50%
2/4
25%
0.5/2
 
Ghost 2.0.12342 41%
14/34
45%
8.5/19
62%
2.5/4
Amundsen 0.802328 41%
6.5/16
50%
1/2
 
Alex 2.132326 38%
1.5/4
38%
3/8
 
Sjakk 1.1.92325  50%
5/10
55%
5.5/10
Simplex 0.9.7 32-bit2323 58%
7/12
46%
5.5/12
 
Chezzz 1.0.32322 50%
1/2
 62%
2.5/4
NameEloButcher
1.61
64-bit
Butcher
1.60n1
Butcher
1.61
32-bit
Butcher
1.64
64-bit
EveAnn 1.672319  50%
1/2
44%
3.5/8
ECE 12.012318  45%
4.5/10
52%
12.5/24
Mediocre 0.42311  29%
4/14
10%
0.5/5
Waxman 20102309 44%
7/16
38%
6/16
 
Cheese 1.32308 53%
16/30
75%
1.5/2
 
Capivara LK 0.09a01a 64-bit230767%
2/3
  12%
0.5/4
Waxman 2011230467%
2/3
  42%
12.5/30
Zeus 1.29230325%
0.5/2
38%
1.5/4
  
Sjakk 1.1.8230269%
16.5/24
 25%
2/8
 
Anechka 0.082301 50%
2/4
75%
3/4
25%
0.5/2
Joker 1.1.142301 50%
1/2
 0%
0/1
Popochin 3.22296 53%
9.5/18
100%
2/2
25%
0.5/2
Glass 1.2228367%
2/3
50%
1/2
  
AliChess 4.252282 25%
1/4
42%
13.5/32
50%
5/10
Matilde 2008 32-bit2273 50%
3/6
25%
0.5/2
 
Sungorus 1.4 32-bit2260 67%
16/24
64%
14/22
 
RattateChess 1.0 Nosferatu2253 66%
21/32
100%
4/4
50%
1/2
Atak 6.82237 52%
10.5/20
58%
7/12
100%
1/1
Dolphin 1.0 64-bit2230 62%
5/8
70%
7/10
38%
1.5/4
Beowulf 2.4a 32-bit2218 62%
2.5/4
83%
5/6
 
NameEloButcher
1.61
64-bit
Butcher
1.60n1
Butcher
1.61
32-bit
Butcher
1.64
64-bit
Uralochka 1.1b2218 69%
5.5/8
25%
0.5/2
 
KMTChess 1.2.1 32-bit2182 38%
3/8
75%
3/4
 
ECE 11.012180 50%
2/4
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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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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021