CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (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 11, 2019 with Bayeselo based on 1'066'603 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+
1Butcher 1.61 64-bit2334+30−3049.1%+8.525.1%383 
99.5%
 Butcher 1.60n12284+23−2348.3%+10.331.9%621
49.0%
 Butcher 1.61 32-bit2284+27−2748.1%+14.524.3%493
58.9%
 Butcher 1.64 64-bit2280+20−2048.2%+9.527.1%878
 

Results matrix

Custom engine selection
#NameElo1234
1Butcher 1.61 64-bit2334    
2Butcher 1.60n12284    
3Butcher 1.61 32-bit2284    
4Butcher 1.64 64-bit2280    
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 1.60n122840.5 49.058.6
3Butcher 1.61 32-bit22840.851.0 58.9
4Butcher 1.64 64-bit22800.241.441.1 
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 1.60n12284119 41766
3Butcher 1.61 32-bit228474417 144
4Butcher 1.64 64-bit22803966144 
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 11.98.43.1
2Butcher 1.60n1228411.9 37.44.4
3Butcher 1.61 32-bit22848.437.4 10.5
4Butcher 1.64 64-bit22803.14.410.5 
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-bit2404 12%
0.5/4
62%
2.5/4
 
Sjakk 2.0 64-bit240233%
1/3
  25%
0.5/2
Gosu 0.16239540%
9.5/24
  75%
1.5/2
Sorgenkind 0.4238746%
11/24
40%
6/15
  
Jazz 721 64-bit238550%
1/2
  62%
2.5/4
Ares 1.004237242%
10/24
36%
11.5/32
29%
7.5/26
 
TJchess 1.012369 50%
2/4
19%
1.5/8
 
TJchess 1.1 64-bit23640%
0/2
  33%
6/18
OliThink 5.3.0 32-bit2357 25%
1/4
41%
9/22
 
Flux 2.2.1235644%
10.5/24
25%
0.5/2
  
Plisk 0.2.7d 32-bit2349 50%
2/4
54%
19.5/36
 
GreKo 5.9234875%
1.5/2
75%
1.5/2
  
Plisk 0.2.6 32-bit2348100%
1/1
38%
1.5/4
  
Tytan 9.32 32-bit2345 50%
2/4
25%
0.5/2
 
Ghost 2.0.12341 41%
14/34
45%
8.5/19
62%
2.5/4
Amundsen 0.802327 41%
6.5/16
50%
1/2
 
Alex 2.132325 38%
1.5/4
38%
3/8
 
Sjakk 1.1.92325  50%
5/10
55%
5.5/10
Simplex 0.9.7 32-bit2322 58%
7/12
46%
5.5/12
 
Chezzz 1.0.32321 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
ECE 12.012318  45%
4.5/10
52%
12.5/24
EveAnn 1.672317  50%
1/2
44%
3.5/8
Mediocre 0.42317  29%
4/14
10%
0.5/5
Cheese 1.32307 53%
16/30
75%
1.5/2
 
Waxman 20102307 44%
7/16
38%
6/16
 
Capivara LK 0.09a01a 64-bit230667%
2/3
  12%
0.5/4
Waxman 2011230367%
2/3
  42%
12.5/30
Sjakk 1.1.8230269%
16.5/24
 25%
2/8
 
Joker 1.1.142300 50%
1/2
 0%
0/1
Anechka 0.082299 50%
2/4
75%
3/4
25%
0.5/2
Zeus 1.29229725%
0.5/2
38%
1.5/4
  
Popochin 3.22295 53%
9.5/18
100%
2/2
25%
0.5/2
AliChess 4.252283 25%
1/4
42%
13.5/32
50%
5/10
Glass 1.2228267%
2/3
50%
1/2
  
Matilde 2008 32-bit2272 50%
3/6
25%
0.5/2
 
Sungorus 1.4 32-bit2259 67%
16/24
64%
14/22
 
RattateChess 1.0 Nosferatu2251 66%
21/32
100%
4/4
50%
1/2
Atak 6.82236 52%
10.5/20
58%
7/12
100%
1/1
Dolphin 1.0 64-bit2229 62%
5/8
70%
7/10
38%
1.5/4
Uralochka 1.1b2217 69%
5.5/8
25%
0.5/2
 
NameEloButcher
1.61
64-bit
Butcher
1.60n1
Butcher
1.61
32-bit
Butcher
1.64
64-bit
Beowulf 2.4a 32-bit2216 62%
2.5/4
83%
5/6
 
KMTChess 1.2.1 32-bit2181 38%
3/8
75%
3/4
 
ECE 11.012179 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%

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:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  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 July 11, 2019