CCRL 40/40
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 1'102'078 games
played by 2'571 programs
150620 CPU days (X2 4600+)

White wins: 381'985 (34.7%)
Black wins: 283'767 (25.7%)
Draws: 436'326 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 8 engines!
8 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 30, 2019 with Bayeselo based on 1'102'078 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+
1Ifrit m1.8 64-bit2411+18−1848.8%+10.428.6%1145 
99.2%
 Ifrit m1.5 32-bit2371+27−2746.6%+24.529.1%453
89.7%
 Ifrit m1.6 32-bit2343+32−3247.5%+15.235.0%314
100.0%
 Ifrit j3.6 64-bit2217+32−3251.2%−8.126.2%336
99.3%
 Ifrit j3.8 64-bit2157+34−3545.9%+28.423.5%302
62.7%
 Ifrit j4.32150+28−2845.9%+28.129.5%440
88.3%
 Ifrit j4.22123+34−3445.5%+31.226.4%303
96.0%
 Ifrit j2.92080+34−3448.2%+11.621.3%314
 

Results matrix

Custom engine selection
#NameElo12345678
1Ifrit m1.8 64-bit2411        
2Ifrit m1.5 32-bit2371        
3Ifrit m1.6 32-bit2343        
4Ifrit j3.6 64-bit2217        
5Ifrit j3.8 64-bit2157        
6Ifrit j4.32150        
7Ifrit j4.22123        
8Ifrit j2.92080        
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
#NameElo12345678
1Ifrit m1.8 64-bit2411 99.2100.0100.0100.0100.0100.0100.0
2Ifrit m1.5 32-bit23710.8 89.7100.0100.0100.0100.0100.0
3Ifrit m1.6 32-bit23430.010.3 100.0100.0100.0100.0100.0
4Ifrit j3.6 64-bit22170.00.00.0 99.399.9100.0100.0
5Ifrit j3.8 64-bit21570.00.00.00.7 62.791.599.9
6Ifrit j4.321500.00.00.00.137.3 88.399.9
7Ifrit j4.221230.00.00.00.08.511.7 96.0
8Ifrit j2.920800.00.00.00.00.10.14.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Ifrit m1.8 64-bit2411 69135001308
2Ifrit m1.5 32-bit237169 156063200
3Ifrit m1.6 32-bit2343135156 002400
4Ifrit j3.6 64-bit2217000 192105180
5Ifrit j3.8 64-bit2157060192 391246
6Ifrit j4.3215013322410539 192116
7Ifrit j4.221230001812192 116
8Ifrit j2.92080800046116116 
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
#NameElo12345678
1Ifrit m1.8 64-bit2411 4.39.30.00.00.80.00.5
2Ifrit m1.5 32-bit23714.3 20.30.00.83.60.00.0
3Ifrit m1.6 32-bit23439.320.3 0.00.03.20.00.0
4Ifrit j3.6 64-bit22170.00.00.0 30.113.52.80.0
5Ifrit j3.8 64-bit21570.00.80.030.1 5.32.07.5
6Ifrit j4.321500.83.63.213.55.3 25.815.4
7Ifrit j4.221230.00.00.02.82.025.8 18.8
8Ifrit j2.920800.50.00.00.07.515.418.8 
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 57 common opponents

Custom engine selection
NameEloIfrit
m1.8
64-bit
Ifrit
m1.5
32-bit
Ifrit
m1.6
32-bit
Ifrit
j3.6
64-bit
Ifrit
j3.8
64-bit
Ifrit
j4.3
Ifrit
j4.2
Ifrit
j2.9
NirvanaChess 1.1 64-bit254958%
3.5/6
 0%
0/2
     
Twisted Logic 20080404x2495 20%
2/10
44%
3.5/8
     
Booot 4.10.12487 40%
4/10
19%
1.5/8
     
Hussar 0.4244440%
8/20
35%
3.5/10
      
Cheese 1.4 32-bit2440 50%
2/4
12%
1/8
     
Shallow r688 64-bit241250%
8/16
 35%
3.5/10
     
Sjakk 2.0 64-bit240235%
3.5/10
 17%
0.5/3
     
Jazz 721 64-bit238470%
14/20
 67%
2/3
     
GreKo 6.302378 45%
4.5/10
38%
3/8
     
TJchess 1.1 32-bit2373 50%
5/10
38%
3/8
     
iCE 0.2237175%
3/4
50%
9/18
50%
4/8
     
TJchess 1.1 64-bit236446%
15.5/34
 50%
1/2
     
Flux 2.2.1235750%
0.5/1
50%
1/2
      
Counter 0.82352 45%
4.5/10
44%
3.5/8
     
Aice 0.99.2233875%
1.5/2
    25%
0.5/2
  
Sjakk 1.1.92326 50%
1/2
75%
6/8
     
ECE 12.01231953%
9.5/18
67%
2/3
56%
4.5/8
     
Waxman 20102308 100%
2/2
  27%
6.5/24
38%
1.5/4
  
Waxman 2011230460%
3/5
45%
4.5/10
83%
2.5/3
     
Sjakk 1.1.82302 50%
1/2
70%
7/10
  25%
1/4
  
NameEloIfrit
m1.8
64-bit
Ifrit
m1.5
32-bit
Ifrit
m1.6
32-bit
Ifrit
j3.6
64-bit
Ifrit
j3.8
64-bit
Ifrit
j4.3
Ifrit
j4.2
Ifrit
j2.9
Anechka 0.08230050%
0.5/1
    25%
0.5/2
  
Zeus 1.292298100%
1/1
 50%
1/2
     
Mediocre 0.5229347%
7.5/16
 35%
3.5/10
     
Chaturanga 2.4.32289 50%
2/4
   25%
1/4
  
Rhetoric Lite228292%
5.5/6
 75%
1.5/2
     
Sungorus 1.4 32-bit2259 88%
3.5/4
   34%
5.5/16
  
Ares 1.02258      22%
3.5/16
20%
2/10
Exacto 0.e 64-bit2251  58%
3.5/6
  8%
0.5/6
  
Beowulf 2.4a 64-bit2249   46%
11/24
19%
4.5/24
   
Atak 6.82236     40%
4/10
19%
3/16
 
Hussar 0.22224     42%
5/12
25%
4.5/18
 
Gibbon 2.52a2216   38%
9/24
 38%
1.5/4
75%
1.5/2
 
Neurosis 2.52206   42%
10/24
48%
11.5/24
   
BlackBishop 1.02201   46%
11/24
 75%
4.5/6
75%
1.5/2
 
EXchess 5.04b 64-bit2187   73%
17.5/24
 42%
2.5/6
  
NagaSkaki 5.122186   56%
13.5/24
 38%
1.5/4
  
KMTChess 1.2.1 32-bit2182     68%
7.5/11
75%
1.5/2
50%
2/4
ECE 11.012180     36%
6.5/18
42%
7.5/18
 
FireFly 2.5.102179     65%
6.5/10
 45%
4.5/10
Clever Girl r185 64-bit2170100%
2/2
    58%
3.5/6
  
NameEloIfrit
m1.8
64-bit
Ifrit
m1.5
32-bit
Ifrit
m1.6
32-bit
Ifrit
j3.6
64-bit
Ifrit
j3.8
64-bit
Ifrit
j4.3
Ifrit
j4.2
Ifrit
j2.9
Kurt 0.9.2.2 64-bit2169   35%
8.5/24
38%
9/24
   
Chesley r323 32-bit2156     37%
7/19
 45%
4.5/10
KnockOut 0.7.12151   60%
14.5/24
40%
9.5/24
28%
2.5/9
50%
1/2
 
GopherCheck 0.2.2 64-bit214150%
2/4
      25%
1/4
Waxman 20082139     33%
2/6
47%
7.5/16
 
Parrot 07.07.222135   60%
14.5/24
 50%
3/6
  
Adam 3.22131      75%
1.5/2
38%
1.5/4
Bearded 06_29_022130     71%
5/7
25%
0.5/2
50%
2/4
Kurt 0.9.2 32-bit2113     42%
5.5/13
42%
7.5/18
50%
4.5/9
ChessKISS 1.3a 32-bit2111     42%
5/12
 40%
4/10
Carballo 0.52096     79%
5.5/7
64%
11.5/18
 
FireFly 2.5.6 32-bit2087      25%
0.5/2
12%
0.5/4
BikJump 2.01 32-bit2084    60%
14.5/24
  41%
9/22
Sjakk 1.1.62067    77%
18.5/24
 75%
1.5/2
 
PLP 16615712046      67%
12/18
50%
2/4
Jabba 1.0 32-bit2043      50%
9/18
25%
2/8
ECE 1.12039      100%
1/1
44%
3.5/8
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

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:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on November 30, 2019