CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 5 engines!
5 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 August 17, 2019 with Bayeselo based on 1'075'629 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+
1LittleThought 1.052 64-bit2500+16−1647.8%+13.725.7%1362 
99.5%
 LittleThought 1.052 32-bit2467+18−1949.8%+2.330.0%1012
100.0%
 LittleThought 1.04 32-bit2393+34−3449.8%+2.430.4%303
99.7%
 LittleThought 1.03 32-bit2339+21−2147.5%+19.324.9%826
75.7%
 LittleThought 1.00 32-bit2325+33−3449.2%+5.829.3%307
 

Results matrix

Custom engine selection
#NameElo12345
1LittleThought 1.052 64-bit2500     
2LittleThought 1.052 32-bit2467     
3LittleThought 1.04 32-bit2393     
4LittleThought 1.03 32-bit2339     
5LittleThought 1.00 32-bit2325     
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
#NameElo12345
1LittleThought 1.052 64-bit2500 99.5100.0100.0100.0
2LittleThought 1.052 32-bit24670.5 100.0100.0100.0
3LittleThought 1.04 32-bit23930.00.0 99.799.8
4LittleThought 1.03 32-bit23390.00.00.3 75.7
5LittleThought 1.00 32-bit23250.00.00.224.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1LittleThought 1.052 64-bit2500 23530480
2LittleThought 1.052 32-bit2467235 2139924
3LittleThought 1.04 32-bit239330213 31938
4LittleThought 1.03 32-bit23394899319 108
5LittleThought 1.00 32-bit232502438108 
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
#NameElo12345
1LittleThought 1.052 64-bit2500 9.91.82.20.0
2LittleThought 1.052 32-bit24679.9 16.25.41.8
3LittleThought 1.04 32-bit23931.816.2 28.36.2
4LittleThought 1.03 32-bit23392.25.428.3 9.5
5LittleThought 1.00 32-bit23250.01.86.29.5 
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 60 common opponents

Custom engine selection
NameEloLittleThought
1.052
64-bit
LittleThought
1.052
32-bit
LittleThought
1.04
32-bit
LittleThought
1.03
32-bit
LittleThought
1.00
32-bit
Aristarch 4.50259525%
0.5/2
100%
1/1
   
Dirty 6J-22257642%
10/24
25%
1/4
   
Tornado 2.1.41a252725%
1/4
  17%
2/12
 
Tao 5.6250325%
0.5/2
42%
2.5/6
   
DanaSah 4.37250146%
11/24
29%
3.5/12
   
Philou 3.1.4.1249452%
12.5/24
38%
6/16
25%
1/4
  
Delphil 2.8249248%
11.5/24
52%
10.5/20
   
nanoSzachy 3.9249133%
8/24
31%
2.5/8
   
Yace 0.99.87248854%
14/26
25%
1/4
   
Xpdnt 091007248275%
1.5/2
47%
20.5/44
50%
2/4
12%
0.5/4
 
Pepito 1.59 32-bit248142%
10/24
25%
0.5/2
   
SpiderChess 0706032479 75%
1.5/2
 25%
0.5/2
 
Matacz 1.42478 53%
8.5/16
38%
1.5/4
  
Anatoli 0.35k247531%
7.5/24
25%
0.5/2
25%
1/4
25%
0.5/2
 
Trace 1.37a247158%
3.5/6
38%
4.5/12
   
Quark 2.35246875%
1.5/2
25%
0.5/2
 25%
1/4
 
Dirty 14M-222467 75%
3/4
50%
2/4
  
Bruja 1.9.1 32-bit244462%
15/24
62%
2.5/4
   
Hussar 0.4244350%
1/2
52%
14/27
   
Arasan 10.12439   62%
2.5/4
62%
2.5/4
NameEloLittleThought
1.052
64-bit
LittleThought
1.052
32-bit
LittleThought
1.04
32-bit
LittleThought
1.03
32-bit
LittleThought
1.00
32-bit
nanoSzachy 3.82437 58%
18.5/32
38%
4.5/12
50%
2/4
 
Snitch 1.6.2 32-bit2436 62%
2.5/4
 50%
1/2
 
Typhoon 1.00-3582434 58%
7/12
50%
2/4
  
Delphil 2.6a2415 50%
6/12
62%
2.5/4
  
Diablo 0.5.12410   31%
2.5/8
0%
0/2
Typhoon 1.00-3142410   33%
2/6
30%
3/10
Hermann 2.02409   50%
2/4
100%
1/1
Queen 4.032408  50%
7.5/15
54%
6.5/12
38%
1.5/4
nanoSzachy 3.42407  50%
0.5/1
17%
2/12
 
Djinn 0.925x2402   12%
0.5/4
12%
0.5/4
Delphil 1.82398  50%
1/2
69%
5.5/8
20%
1/5
Gosu 0.16239571%
17/24
  67%
4/6
 
Sorgenkind 0.42388 62%
2.5/4
52%
10.5/20
36%
15/42
 
Sage 3.532386  56%
4.5/8
25%
6/24
 
Horizon 4.42385  50%
4/8
29%
10.5/36
 
Dirty 0.99 OW52381  50%
1/2
48%
9.5/20
 
Tytan 9.32377   69%
11/16
25%
0.5/2
Ifrit m1.5 32-bit2371 50%
4/8
55%
5.5/10
  
GreKo 6.252367  65%
6.5/10
0%
0/2
 
Alex 2.14a 32-bit2363 62%
2.5/4
  45%
4.5/10
NameEloLittleThought
1.052
64-bit
LittleThought
1.052
32-bit
LittleThought
1.04
32-bit
LittleThought
1.03
32-bit
LittleThought
1.00
32-bit
GreKo 6.52363 60%
3/5
42%
5/12
40%
6/15
 
OliThink 5.3.0 32-bit2358 75%
15/20
71%
10/14
  
Glass 1.32353  56%
5/9
56%
4.5/8
 
GreKo 5.92348  50%
1/2
62%
2.5/4
 
Tytan 9.32 32-bit2346  50%
1/2
 100%
1/1
Arion 1.72342 100%
4/4
  50%
5/10
Rodin 2.3a2338  70%
7/10
62%
10/16
 
Aice 0.99.22337   100%
2/2
0%
0/2
Daydreamer 1.52334  75%
1.5/2
33%
4/12
 
Horizon 4.32330   62%
2.5/4
25%
1/4
Amundsen 0.802327 59%
9.5/16
62%
5/8
38%
4.5/12
 
KnightX 1.922316   75%
3/4
56%
4.5/8
Cheese 1.32308  50%
2/4
58%
37.5/65
 
Natwarlal 0.142302   58%
11.5/20
50%
2/4
Anechka 0.082299  50%
1/2
 67%
2/3
Zeus 1.292298  0%
0/2
 50%
3.5/7
Popochin 3.22295  62%
2.5/4
57%
12.5/22
 
Butcher 1.60n12284  75%
1.5/2
67%
2/3
 
Ares 1.02257  50%
1/2
83%
10/12
 
Rotor 0.1a2244  25%
0.5/2
 75%
3/4
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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on August 17, 2019