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+
1Simplex 0.9.8 64-bit2399+17−1747.3%+18.125.1%1226 
56.6%
 Simplex 0.9.8 32-bit2396+30−3049.0%+5.531.2%359
100.0%
 Simplex 0.9.7 32-bit2323+31−3148.6%+9.125.4%370
100.0%
 Simplex 0.9.3 32-bit2166+34−3449.5%+4.325.7%303
 

Results matrix

Custom engine selection
#NameElo1234
1Simplex 0.9.8 64-bit2399    
2Simplex 0.9.8 32-bit2396    
3Simplex 0.9.7 32-bit2323    
4Simplex 0.9.3 32-bit2166    
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
1Simplex 0.9.8 64-bit2399 56.6100.0100.0
2Simplex 0.9.8 32-bit239643.4 100.0100.0
3Simplex 0.9.7 32-bit23230.00.0 100.0
4Simplex 0.9.3 32-bit21660.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Simplex 0.9.8 64-bit2399 14712120
2Simplex 0.9.8 32-bit2396147 2500
3Simplex 0.9.7 32-bit2323121250 80
4Simplex 0.9.3 32-bit216620080 
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
1Simplex 0.9.8 64-bit2399 9.37.61.3
2Simplex 0.9.8 32-bit23969.3 34.30.0
3Simplex 0.9.7 32-bit23237.634.3 11.9
4Simplex 0.9.3 32-bit21661.30.011.9 
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 34 common opponents

Custom engine selection
NameEloSimplex
0.9.8
64-bit
Simplex
0.9.8
32-bit
Simplex
0.9.7
32-bit
Simplex
0.9.3
32-bit
Hussar 0.4244350%
2/4
56%
4.5/8
17%
2/12
 
Dragon 4.62405 50%
1/2
50%
1/2
 
Eeyore 1.52 32-bit2404 62%
7.5/12
25%
1.5/6
 
Amy 0.87b240275%
1.5/2
50%
1/2
  
Djinn 0.925x2402 75%
1.5/2
0%
0/2
 
Patzer 3.80240244%
11/25
50%
1/2
100%
1/1
 
Atlas 3.14b 32-bit2400 38%
4.5/12
38%
4.5/12
 
Sorgenkind 0.4238838%
1.5/4
 67%
2/3
 
Dorky 4.3 32-bit2385 40%
8/20
27%
4/15
 
Comet B68238350%
1/2
 50%
1/2
 
Thor's Hammer 2.28 32-bit2382 75%
1.5/2
0%
0/1
 
Ares 1.004237260%
14.5/24
75%
3/4
37%
9.5/26
 
iCE 0.2237154%
15/28
71%
8.5/12
25%
1/4
 
Ifrit m1.5 32-bit2370 60%
15.5/26
38%
1.5/4
 
TJchess 1.012370 50%
1/2
42%
5/12
 
Alex 2.14a 32-bit2363 54%
7.5/14
62%
5/8
 
OliThink 5.3.0 32-bit2357 38%
1.5/4
61%
5.5/9
 
Plisk 0.2.7d 32-bit2349 67%
8/12
66%
12.5/19
 
Arion 1.7234150%
12/24
25%
0.5/2
0%
0/2
 
Ghost 2.0.1234150%
2/4
25%
1.5/6
41%
12/29
 
NameEloSimplex
0.9.8
64-bit
Simplex
0.9.8
32-bit
Simplex
0.9.7
32-bit
Simplex
0.9.3
32-bit
Jazz 840 64-bit233752%
10.5/20
56%
4.5/8
  
Sjakk 1.1.9232562%
2.5/4
50%
1/2
  
Mediocre 0.4231750%
2/4
83%
5/6
  
Averno 0.81231250%
0.5/1
50%
1/2
75%
1.5/2
 
Waxman 20102308 50%
1/2
32%
6.5/20
 
Waxman 2011230369%
5.5/8
60%
6/10
  
AliChess 4.252283100%
4/4
 54%
6.5/12
 
Jumbo 0.4.0 64-bit227525%
1.5/6
  50%
3/6
Sungorus 1.4 32-bit2259  56%
9/16
19%
1.5/8
RattateChess 1.0 Nosferatu2251  71%
8.5/12
50%
4/8
Beowulf 2.4a 32-bit2217  50%
2/4
56%
4.5/8
Neurosis 2.52206  50%
2/4
50%
7/14
KMTChess 1.2.1 32-bit2181  75%
3/4
33%
6/18
GopherCheck 0.2.2 64-bit213938%
1.5/4
  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
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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 July 19, 2019