CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (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 CPU.
Computed on November 8, 2019 with Bayeselo based on 1'097'085 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+
1Alex 2.14a 64-bit2393+18−1849.4%+3.829.8%1041 
95.9%
 Alex 2.14a 32-bit2363+27−2750.1%−3.027.7%469
93.6%
 Alex 2.12a2330+34−3448.1%+14.121.5%316
56.1%
 Alex 2.132326+32−3347.4%+17.426.8%332
87.0%
 Alex 2.092300+30−3051.6%−12.122.8%400
100.0%
 Alex 2.032184+30−3049.3%+4.124.7%384
100.0%
 Alex 1.962014+32−3245.8%+31.223.9%355
 

Results matrix

Custom engine selection
#NameElo1234567
1Alex 2.14a 64-bit2393       
2Alex 2.14a 32-bit2363       
3Alex 2.12a2330       
4Alex 2.132326       
5Alex 2.092300       
6Alex 2.032184       
7Alex 1.962014       
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
1Alex 2.14a 64-bit2393 95.999.9100.0100.0100.0100.0
2Alex 2.14a 32-bit23634.0 93.695.999.9100.0100.0
3Alex 2.12a23300.16.4 56.189.5100.0100.0
4Alex 2.1323260.04.143.9 87.0100.0100.0
5Alex 2.0923000.00.110.513.0 100.0100.0
6Alex 2.0321840.00.00.00.00.0 100.0
7Alex 1.9620140.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Alex 2.14a 64-bit2393 1715813310100
2Alex 2.14a 32-bit2363171 143269391212
3Alex 2.12a233058143 26740323
4Alex 2.132326133269267 4986
5Alex 2.092300101394049 1078
6Alex 2.032184012328107 103
7Alex 1.962014012368103 
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
1Alex 2.14a 64-bit2393 11.34.39.77.00.00.0
2Alex 2.14a 32-bit236311.3 18.233.64.51.41.5
3Alex 2.12a23304.318.2 41.25.64.60.4
4Alex 2.1323269.733.641.2 6.71.10.9
5Alex 2.0923007.04.55.66.7 13.61.1
6Alex 2.0321840.01.44.61.113.6 13.9
7Alex 1.9620140.01.50.40.91.113.9 
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 74 common opponents

Custom engine selection
NameEloAlex
2.14a
64-bit
Alex
2.14a
32-bit
Alex
2.12a
Alex
2.13
Alex
2.09
Alex
2.03
Alex
1.96
NirvanaChess 1.1 64-bit254925%
1/4
   0%
0/3
  
Pupsi2 0.082473 50%
2/4
0%
0/4
    
Gaviota 0.80 32-bit2467  25%
2/8
38%
1.5/4
   
GreKo 8.0 32-bit2450  25%
1/4
38%
5/13
   
Hussar 0.4244420%
1/5
50%
4/8
 38%
1.5/4
   
nanoSzachy 3.82438  56%
4.5/8
12%
0.5/4
   
Delphil 2.6b2436  50%
2/4
0%
0/6
   
Glass 1.62428  38%
1.5/4
38%
1.5/4
   
Kiwi 0.6d 32-bit241946%
11/24
45%
4.5/10
     
Eeyore 1.52 32-bit2405 42%
5/12
38%
4.5/12
33%
2/6
   
Rodin 3.02403  12%
0.5/4
59%
6.5/11
   
Sjakk 2.0 64-bit240325%
1/4
   33%
1/3
  
Atlas 3.14b 32-bit2401 69%
11/16
 62%
2.5/4
   
Sorgenkind 0.4238852%
14.5/28
  0%
0/2
   
Sage 3.53238754%
13/24
  50%
1.5/3
   
Dorky 4.3 32-bit2385 31%
5.5/18
  0%
0/6
  
Horizon 4.42385  34%
11/32
50%
1/2
   
Jazz 721 64-bit238469%
5.5/8
   0%
0/2
  
Thor's Hammer 2.28 32-bit2380 0%
0/2
 0%
0/1
   
Ares 1.004237358%
14/24
56%
9/16
61%
11/18
31%
4/13
   
NameEloAlex
2.14a
64-bit
Alex
2.14a
32-bit
Alex
2.12a
Alex
2.13
Alex
2.09
Alex
2.03
Alex
1.96
iCE 0.2237262%
2.5/4
65%
6.5/10
     
GreKo 7.02371 35%
3.5/10
 33%
2/6
   
TJchess 1.01237060%
14.5/24
42%
2.5/6
 19%
1.5/8
   
TJchess 1.1 64-bit236442%
13/31
   33%
1/3
  
OliThink 5.3.0 32-bit2358 25%
1/4
38%
3/8
53%
8.5/16
   
Plisk 0.2.7d 32-bit2351 50%
7.5/15
45%
18/40
42%
5/12
   
Tytan 9.32 32-bit2346 0%
0/2
 40%
2/5
   
Arion 1.72342  45%
14.5/32
50%
1/2
   
Ghost 2.0.1234262%
2.5/4
70%
7/10
 50%
11.5/23
   
Aice 0.99.2233762%
15/24
  92%
5.5/6
52%
12.5/24
  
Daydreamer 1.52335 30%
3/10
    50%
2/4
Sjakk 1.1.9232658%
3.5/6
25%
1/4
     
Simplex 0.9.7 32-bit2323 38%
3/8
 32%
4.5/14
   
Chezzz 1.0.32322   30%
1.5/5
65%
15.5/24
  
ECE 12.01231969%
11/16
38%
1.5/4
     
Mediocre 0.4231862%
2.5/4
65%
6.5/10
     
Averno 0.812312 100%
2/2
 100%
2/2
38%
9/24
  
Cheese 1.32308  38%
1.5/4
0%
0/2
  0%
0/1
Waxman 20102308 50%
3/6
 69%
5.5/8
   
Waxman 2011230450%
5.5/11
50%
2/4
  50%
1/2
  
NameEloAlex
2.14a
64-bit
Alex
2.14a
32-bit
Alex
2.12a
Alex
2.13
Alex
2.09
Alex
2.03
Alex
1.96
Sungorus 1.4 64-bit229838%
1.5/4
   44%
10.5/24
  
Zeus 1.292298   62%
2.5/4
100%
3/3
  
Popochin 3.22296   75%
1.5/2
  50%
0.5/1
Pawny 0.1.62292 60%
6/10
  0%
0/3
75%
3/4
 
Chaturanga 2.4.32289 62%
5/8
 60%
6/10
   
Butcher 1.61 32-bit2285 50%
4/8
 62%
5/8
   
AliChess 4.25228458%
3.5/6
 50%
5/10
39%
5.5/14
   
Butcher 1.60n12284  62%
2.5/4
62%
2.5/4
   
Rhetoric Lite228288%
3.5/4
   25%
0.5/2
  
EveAnn 1.662270   100%
1/1
58%
3.5/6
  
Sungorus 1.4 32-bit2260 54%
6.5/12
75%
3/4
25%
0.5/2
   
AliChess 4.212258  75%
3/4
 54%
13/24
  
Waxman 20092253  75%
3/4
 60%
14.5/24
  
RattateChess 1.0 Nosferatu2251  38%
1.5/4
75%
3/4
 25%
1/4
 
Atak 6.72238    12%
0.5/4
50%
6/12
 
Feuerstein 0.4.6.12238  62%
2.5/4
 62%
2.5/4
31%
2.5/8
 
Atak 6.82236 62%
2.5/4
88%
3.5/4
42%
2.5/6
   
Hussar 0.22224  58%
3.5/6
58%
3.5/6
   
Gibbon 2.52a2216    88%
3.5/4
32%
12.5/39
 
Adam 3.32210  75%
7.5/10
100%
2/2
   
NameEloAlex
2.14a
64-bit
Alex
2.14a
32-bit
Alex
2.12a
Alex
2.13
Alex
2.09
Alex
2.03
Alex
1.96
BlackBishop 1.02202    62%
2.5/4
56%
24/43
 
OBender 3.2.4.22192     50%
16/32
36%
2.5/7
Mediocre 0.342187    62%
2.5/4
42%
5/12
12%
0.5/4
NagaSkaki 5.122186     67%
8/12
25%
0.5/2
KMTChess 1.2.1 32-bit2182  88%
3.5/4
 38%
1.5/4
54%
6.5/12
 
Pawny 0.132169     61%
19.5/32
0%
0/1
Simplex 0.9.3 32-bit2166    38%
1.5/4
62%
2.5/4
 
TJchess 0.1212134     69%
5.5/8
42%
2.5/6
Adam 3.22131    50%
2/4
100%
4/4
 
Bearded 06_29_022130    50%
2/4
75%
6/8
 
Clarabit 1.00 32-bit2115     50%
2/4
30%
1.5/5
FireFly 2.5.6 32-bit2087     42%
5/12
56%
5/9
BikJump 2.01 32-bit2084     83%
2.5/3
50%
4.5/9
ZCT 0.3.25002049     75%
3/4
50%
2/4
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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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:
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Created in 2005-2013 by CCRL team
Last games added on November 8, 2019