CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 7 engines!
7 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 October 19, 2019 with Bayeselo based on 1'092'341 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+
1Chronos 1.9.9 32-bit2741+17−1650.3%−0.643.2%1182 
56.9%
 Chronos 1.9.9 64-bit2739+13−1350.6%−5.837.7%2135
99.7%
 Chronos 1.9.8 64-bit2692+31−3148.9%+7.739.3%318
99.6%
 Chronos 1.9.72641+20−2051.4%−9.646.0%768
100.0%
 Chronos 1.9.62584+26−2651.5%−10.938.0%461
91.5%
 Chronos 1.9.52555+32−3250.0%−2.638.1%310
100.0%
 Chronos 1.9.42474+33−3351.5%−10.536.3%300
 

Results matrix

Custom engine selection
#NameElo1234567
1Chronos 1.9.9 32-bit2741       
2Chronos 1.9.9 64-bit2739       
3Chronos 1.9.8 64-bit2692       
4Chronos 1.9.72641       
5Chronos 1.9.62584       
6Chronos 1.9.52555       
7Chronos 1.9.42474       
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
#NameElo1234567
1Chronos 1.9.9 32-bit2741 56.999.6100.0100.0100.0100.0
2Chronos 1.9.9 64-bit273943.1 99.7100.0100.0100.0100.0
3Chronos 1.9.8 64-bit26920.40.3 99.6100.0100.0100.0
4Chronos 1.9.726410.00.00.4 100.0100.0100.0
5Chronos 1.9.625840.00.00.00.0 91.5100.0
6Chronos 1.9.525550.00.00.00.08.5 100.0
7Chronos 1.9.424740.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Chronos 1.9.9 32-bit2741 3649944578926
2Chronos 1.9.9 64-bit2739364 309154060
3Chronos 1.9.8 64-bit269299309 2430186
4Chronos 1.9.72641445154243 32531821
5Chronos 1.9.625847800325 28858
6Chronos 1.9.5255592618318288 104
7Chronos 1.9.424746062158104 
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
#NameElo1234567
1Chronos 1.9.9 32-bit2741 11.06.622.84.76.20.4
2Chronos 1.9.9 64-bit273911.0 12.65.30.00.20.0
3Chronos 1.9.8 64-bit26926.612.6 22.40.02.91.0
4Chronos 1.9.7264122.85.322.4 26.429.52.0
5Chronos 1.9.625844.70.00.026.4 37.47.6
6Chronos 1.9.525556.20.22.929.537.4 17.0
7Chronos 1.9.424740.40.01.02.07.617.0 
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 89 common opponents

Custom engine selection
NameEloChronos
1.9.9
32-bit
Chronos
1.9.9
64-bit
Chronos
1.9.8
64-bit
Chronos
1.9.7
Chronos
1.9.6
Chronos
1.9.5
Chronos
1.9.4
Booot 5.1.0284429%
4/14
25%
1/4
     
Deep Junior 11.1a 32-bit283238%
1.5/4
  50%
1/2
   
Booot 5.0282625%
1/4
50%
12/24
     
Hannibal 1.0a 32-bit280239%
7/18
 38%
1.5/4
    
Glaurung 2.2 64-bit2784 100%
2/2
75%
3/4
    
Octochess r5506 64-bit278345%
4.5/10
25%
0.5/2
     
Jonny 4.00278036%
15.5/43
41%
11.5/28
     
Bright 0.5c277938%
1.5/4
29%
7.5/26
     
Bright 0.4a2777 62%
2.5/4
 25%
0.5/2
   
Naraku 1.4277666%
14.5/22
22%
4/18
     
Twisted Logic 20100131x 64-bit2768 59%
17/29
46%
11/24
    
Thinker 5.3b Passive 64-bit2766 50%
2/4
12%
0.5/4
    
SmarThink 1.20 64-bit2765 46%
12/26
19%
4.5/24
    
GNU Chess 5.50 64-bit2758 44%
3.5/8
12%
0.5/4
    
Dirty 05Sep2012 64-bit2755 50%
5/10
50%
2/4
    
Ktulu 9275543%
11.5/27
54%
6.5/12
 21%
1.5/7
   
SmarThink 1.20 32-bit274831%
5.5/18
  50%
2/4
   
Spike 1.2 Turin274660%
6/10
58%
14/24
35%
8.5/24
25%
1/4
   
Twisted Logic 20100131x 32-bit274050%
3/6
  25%
1/4
   
Arasan 15.6 64-bit2730 50%
1/2
75%
3/4
    
NameEloChronos
1.9.9
32-bit
Chronos
1.9.9
64-bit
Chronos
1.9.8
64-bit
Chronos
1.9.7
Chronos
1.9.6
Chronos
1.9.5
Chronos
1.9.4
Bison 9.11 32-bit272955%
32.5/59
  56%
9/16
   
EXchess 7.03b 64-bit2719 100%
2/2
100%
2/2
    
SmarThink 1.10 32-bit2719   50%
2/4
25%
5/20
  
Ktulu 82706   25%
0.5/2
 25%
1/4
 
Chess Tiger 2007.1270550%
4/8
50%
5/10
 50%
1/2
   
Chessmaster 11 Aiglos II270288%
3.5/4
50%
4/8
     
Chessmaster 11 Conqueror269850%
3/6
75%
3/4
     
Chessmaster 11 Archangel269675%
4.5/6
  50%
3/6
 50%
1/2
 
Crafty 23.2 32-bit269650%
4/8
  64%
4.5/7
   
Frenzee Feb08 32-bit269667%
4/6
  25%
0.5/2
   
Booot 4.15.02694  44%
10.5/24
46%
5.5/12
   
Delfi 5.4269033%
2/6
52%
14.5/28
65%
15.5/24
46%
6/13
   
Cheese 1.8 64-bit2684 0%
0/2
44%
3.5/8
    
Chessmaster 11 Toxic268350%
1/2
  50%
0.5/1
 50%
1/2
 
Chessmaster 11 Leonidas268242%
2.5/6
  25%
1/4
   
Daydreamer 1.75 32-bit266966%
35.5/54
  56%
4.5/8
   
Deuterium 10.01.27.213266981%
6.5/8
60%
14.5/24
     
Movei 00.8.438 (10 10 10)266790%
4.5/5
77%
21.5/28
56%
13.5/24
42%
16/38
 25%
0.5/2
 
Chessmaster 11266550%
2/4
  0%
0/2
 50%
3/6
 
CM10th Xperience2662   75%
1.5/2
 25%
0.5/2
 
NameEloChronos
1.9.9
32-bit
Chronos
1.9.9
64-bit
Chronos
1.9.8
64-bit
Chronos
1.9.7
Chronos
1.9.6
Chronos
1.9.5
Chronos
1.9.4
Alaric 707266167%
4/6
100%
2/2
 49%
17.5/36
   
BugChess2 1.6.4 64-bit2661  67%
15.5/23
46%
11/24
   
Bobcat 2.75 32-bit266070%
7/10
100%
2/2
     
BugChess2 1.6.4 32-bit265862%
2.5/4
  34%
6.5/19
   
E.T. Chess 13.01.08265025%
0.5/2
  53%
10/19
 38%
1.5/4
 
Cyrano 0.6b17 32-bit264962%
2.5/4
  50%
9.5/19
   
CM10th Ogre264662%
2.5/4
  75%
3/4
   
Colossus 2008b264456%
4.5/8
 62%
15/24
54%
13.5/25
 38%
1.5/4
50%
1/2
Slow Chess Blitz WV2.12637   33%
2/6
48%
15.5/32
  
Crafty 23.0 32-bit2631   38%
4.5/12
 56%
4.5/8
 
WildCat 82630   57%
12/21
 25%
2/8
 
Ruffian 2.1.02624    39%
12.5/32
0%
0/2
 
BugChess2 1.6.3 32-bit2621   56%
5/9
 67%
4/6
 
Bison 9.62620   58%
21.5/37
38%
1.5/4
  
Deuterium 11.01.28.159262067%
8/12
67%
16/24
     
Hamsters 0.7.1261956%
4.5/8
  52%
11/21
50%
1/2
35%
3.5/10
 
ProDeo 1.62618    75%
1.5/2
25%
2/8
 
Alfil 8.1.12601   48%
10.5/22
51%
21.5/42
46%
6.5/14
 
Deuterium 09.01.26.492260075%
6/8
  41%
4.5/11
   
Sloppy 0.2.2 32-bit260060%
14.5/24
  50%
10.5/21
46%
24/52
44%
3.5/8
 
NameEloChronos
1.9.9
32-bit
Chronos
1.9.9
64-bit
Chronos
1.9.8
64-bit
Chronos
1.9.7
Chronos
1.9.6
Chronos
1.9.5
Chronos
1.9.4
The Baron 2.23 32-bit2595   60%
14.5/24
51%
26.5/52
30%
3/10
 
Pseudo 0.7c259275%
3/4
    25%
0.5/2
 
Amyan 1.72259162%
10/16
  42%
2.5/6
   
Petir 4.9999992580   62%
2.5/4
 58%
3.5/6
 
Jonny 2.83 32-bit2577    51%
25.5/50
25%
0.5/2
 
Crafty 22.10 32-bit2573   60%
6/10
 62%
2.5/4
 
N2 0.4 32-bit256975%
3/4
  50%
3.5/7
   
Brutus 8.05 32-bit256762%
2.5/4
  62%
10.5/17
   
SOS 5.12564    51%
17.5/34
75%
1.5/2
 
AnMon 5.75253969%
5.5/8
  62%
2.5/4
   
AnMon 5.662530   50%
0.5/1
75%
4.5/6
49%
20.5/42
 
DanaSah 4.242527   65%
6.5/10
67%
4/6
58%
3.5/6
 
GarboChess 2.20 32-bit2523   75%
3/4
50%
2/4
69%
5.5/8
 
Brutus 7.02b2515   75%
3/4
50%
2/4
  
Hermann 2.4 32-bit2502   50%
2/4
67%
4/6
75%
4.5/6
30%
3/10
Arasan 11.3 32-bit2501    50%
2.5/5
50%
1/2
 
Yace 0.99.872489    50%
1/2
25%
0.5/2
 
Cerebro 3.03d2482   62%
2.5/4
38%
1.5/4
  
Pepito 1.59 32-bit2482   58%
3.5/6
50%
1/2
75%
1.5/2
 
Rotor 0.42481     50%
1/2
38%
1.5/4
NameEloChronos
1.9.9
32-bit
Chronos
1.9.9
64-bit
Chronos
1.9.8
64-bit
Chronos
1.9.7
Chronos
1.9.6
Chronos
1.9.5
Chronos
1.9.4
BBChess 1.3b2478   50%
2/4
100%
4/4
50%
1/2
 
Anatoli 0.35k2476   75%
3/4
62%
2.5/4
50%
1/2
 
Bruja 1.9.1 32-bit2445     75%
1.5/2
40%
8/20
Homer 2.012430     50%
1/2
75%
3/4
Pupsi2 0.072429   50%
0.5/1
70%
38/54
75%
21/28
54%
7.5/14
nanoSzachy 3.42408     50%
1/2
50%
7/14
Amy 0.87b2403     50%
1/2
75%
1.5/2
Sorgenkind 0.42389     75%
1.5/2
75%
4.5/6
Sage 3.532387     75%
1.5/2
58%
3.5/6
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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  Recalibrate reference list to current one using all common engines
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019