CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

Custom engine selection

Comparing 5 engines!
5 selected engines played 0 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Computed on May 19, 2019 with Bayeselo based on 2'021'465 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1FireFly 2.7.2 64-bit2252+14−1549.0%+9.223.9%1752 
100.0%
 FireFly 2.7.0 64-bit2208+14−1448.7%+9.624.9%1916
99.2%
 FireFly 2.6.0 64-bit2180+18−1848.2%+14.219.7%1179
100.0%
 FireFly 2.5.8 64-bit2133+16−1653.3%−26.818.9%1464
100.0%
 FireFly 2.1.31967+45−4634.6%+127.918.1%204
 

Results matrix

Custom engine selection
#NameElo12345
1FireFly 2.7.2 64-bit2252     
2FireFly 2.7.0 64-bit2208     
3FireFly 2.6.0 64-bit2180     
4FireFly 2.5.8 64-bit2133     
5FireFly 2.1.31967     
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
1FireFly 2.7.2 64-bit2252 100.0100.0100.0100.0
2FireFly 2.7.0 64-bit22080.0 99.2100.0100.0
3FireFly 2.6.0 64-bit21800.00.8 100.0100.0
4FireFly 2.5.8 64-bit21330.00.00.0 100.0
5FireFly 2.1.319670.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1FireFly 2.7.2 64-bit2252 6523941366
2FireFly 2.7.0 64-bit2208652 16548866
3FireFly 2.6.0 64-bit21803941654 12756
4FireFly 2.5.8 64-bit21331368861275 3
5FireFly 2.1.319676663 
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
1FireFly 2.7.2 64-bit2252 17.813.44.20.3
2FireFly 2.7.0 64-bit220817.8 53.426.20.3
3FireFly 2.6.0 64-bit218013.453.4 48.20.4
4FireFly 2.5.8 64-bit21334.226.248.2 0.2
5FireFly 2.1.319670.30.30.40.2 
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 43 common opponents

Custom engine selection
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.8
64-bit
FireFly
2.1.3
Chezzz 1.0.3232445%
12.5/28
21%
7/33
   
Popochin 3.2227555%
17.5/32
45%
14.5/32
27%
8.5/32
  
Paladin 0.1 64-bit227252%
15.5/30
39%
12.5/32
   
Waxman 20132269 53%
17/32
37%
11/30
  
Esc 1.16226742%
13.5/32
41%
13/32
44%
14/32
24%
7.5/31
 
Butcher 1.61 64-bit226561%
19.5/32
41%
13/32
   
Zeus 1.292262 52%
16.5/32
45%
14.5/32
  
Mediocre 0.52261 56%
18/32
47%
15/32
  
Natwarlal 0.14226150%
16.5/33
47%
15/32
25%
8/32
  
KMTChess 1.2.1 64-bit226064%
18.5/29
100%
1/1
   
Capivara LK 0.08a11 64-bit2252  53%
16.5/31
28%
9/32
 
Rhetoric Lite2237  41%
13/32
41%
13/32
 
Ant 2006-F223639%
12.5/32
56%
18/32
55%
17.5/32
42%
13.5/32
0%
0/1
Anechka 0.08223444%
14/32
34%
11/32
34%
11/32
 0%
0/1
AliChess 4.25222956%
18/32
53%
17/32
42%
13.5/32
  
OBender 3.2.x2224 52%
16.5/32
45%
14.5/32
  
Adam 3.32220 41%
13/32
52%
16.5/32
25%
8/32
 
Exacto 0.e 64-bit221752%
14.5/28
100%
1/1
   
Buzz 0.08 64-bit221462%
18/29
0%
0/1
   
Chispa 4.0.32206 34%
11/32
53%
17/32
38%
12/32
 
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.8
64-bit
FireFly
2.1.3
CyberPagno 2.12205 55%
17.5/32
55%
17/31
  
Waxman 20112204  48%
15.5/32
50%
16/32
 
Beowulf 2.4a 32-bit2202 48%
15.5/32
39%
12.5/32
34%
11/32
 
RattateChess 1.0 Nosferatu21990%
0/1
48%
16/33
   
Shallow 1.0 64-bit2192 48%
15.5/32
41%
13/32
48%
15.5/32
 
Uralochka 1.1b2188 52%
17/33
50%
16/32
  
Mango Paola Ajedrez 1.02184 59%
19/32
58%
18.5/32
  
Atak 6.8218350%
0.5/1
45%
14/31
52%
16.5/32
58%
18.5/32
 
Madeleine 0.22183 70%
22.5/32
55%
17.5/32
  
Protej 0.5.8c217650%
13.5/27
70%
22.5/32
   
Genesis 2.02170 44%
14/32
62%
20/32
48%
15.5/32
 
InmiChess3.06N2162  52%
16.5/32
50%
16/32
 
BlackBishop 1.02156 53%
17/32
48%
15.5/32
38%
11.5/30
 
NagaSkaki 5.12215450%
0.5/1
 56%
18/32
  
Alarm 0.93.12145 58%
18.5/32
58%
18.5/32
41%
13/32
 
Lime 6621430%
0/1
57%
17/30
56%
18/32
42%
13.5/32
 
ChessKISS 1.7c 64-bit213550%
0.5/1
55%
17.5/32
   
Fortress 1.622134 47%
14/30
55%
17.5/32
50%
16/32
 
Nesik 0.7.0 alpha2134 61%
19.5/32
39%
12/31
52%
16.5/32
 
WJChess 1.642131 60%
18/30
55%
17.5/32
47%
15/32
 
NameEloFireFly
2.7.2
64-bit
FireFly
2.7.0
64-bit
FireFly
2.6.0
64-bit
FireFly
2.5.8
64-bit
FireFly
2.1.3
BikJump 2.01 64-bit2104  39%
12.5/32
67%
21.5/32
 
Wing 2.0a2101  67%
21.5/32
59%
19/32
 
Bestia 0.902021100%
1/1
  53%
17/32
 
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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Alter output selection

Rating list
Testing profile
  (Step: , Numbers: )

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:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


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