CCRL 40/4
Downloads and Statistics
November 14, 2019
Testing summary:
Total: 2'129'428 games
played by 2'486 programs
28790 CPU days (X2 4600+)

White wins: 825'928 (38.8%)
Black wins: 667'489 (31.3%)
Draws: 636'011 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 6 engines!
6 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 CPU.
Computed on November 14, 2019 with Bayeselo based on 2'129'428 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+
1Isa 2.0.64 64-bit2320+17−1751.0%−8.420.7%1310 
100.0%
 Isa 2.0.61 64-bit2238+18−1851.5%−11.323.0%1192
99.9%
 Isa 2.0.45 64-bit2193+22−2255.0%−37.920.2%793
85.5%
 Isa 2.0.48 64-bit2176+21−2146.5%+25.422.5%790
100.0%
 Isa 1.9.51 64-bit2122+19−1945.9%+29.920.0%984
82.9%
 Isa 1.9.63 64-bit2109+21−2146.3%+26.918.7%888
 

Results matrix

Custom engine selection
#NameElo123456
1Isa 2.0.64 64-bit2320      
2Isa 2.0.61 64-bit2238      
3Isa 2.0.45 64-bit2193      
4Isa 2.0.48 64-bit2176      
5Isa 1.9.51 64-bit2122      
6Isa 1.9.63 64-bit2109      
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
#NameElo123456
1Isa 2.0.64 64-bit2320 100.0100.0100.0100.0100.0
2Isa 2.0.61 64-bit22380.0 99.9100.0100.0100.0
3Isa 2.0.45 64-bit21930.00.1 85.5100.0100.0
4Isa 2.0.48 64-bit21760.00.014.5 100.0100.0
5Isa 1.9.51 64-bit21220.00.00.00.0 82.9
6Isa 1.9.63 64-bit21090.00.00.00.017.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456
1Isa 2.0.64 64-bit2320 56370861812
2Isa 2.0.61 64-bit2238563 1721088720112
3Isa 2.0.45 64-bit219370172 20511031230
4Isa 2.0.48 64-bit2176861088205 885185
5Isa 1.9.51 64-bit2122187201103885 971
6Isa 1.9.63 64-bit2109121121230185971 
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
#NameElo123456
1Isa 2.0.64 64-bit2320 22.53.34.10.80.5
2Isa 2.0.61 64-bit223822.5 8.754.933.15.4
3Isa 2.0.45 64-bit21933.38.7 13.062.173.2
4Isa 2.0.48 64-bit21764.154.913.0 49.911.0
5Isa 1.9.51 64-bit21220.833.162.149.9 51.9
6Isa 1.9.63 64-bit21090.55.473.211.051.9 
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 51 common opponents

Custom engine selection
NameEloIsa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.45
64-bit
Isa
2.0.48
64-bit
Isa
1.9.51
64-bit
Isa
1.9.63
64-bit
Sungorus 1.4 64-bit231425%
0.5/2
  50%
0.5/1
  
Kingfisher 1.0 64-bit230657%
17/30
50%
16/32
    
Thor's Hammer 2.29 64-bit230346%
13/28
  50%
0.5/1
  
Zevra 1.8.6 r672 64-bit230352%
10.5/20
45%
14.5/32
    
Esc 1.16226758%
17.5/30
  0%
0/1
  
Scidlet 3.61 64-bit2267100%
1/1
  100%
1/1
  
Natwarlal 0.14226263%
19/30
47%
15/32
    
FireFly 2.7.2 64-bit225360%
18/30
42%
14/33
    
Napoleon 1.8 64-bit22510%
0/1
52%
15.5/30
38%
8/21
   
Robocide 20170718 64-bit223767%
20/30
44%
14/32
52%
13/25
   
Ant 2006-F223643%
13/30
56%
18/32
    
Anechka 0.08223568%
20.5/30
44%
14/32
    
GopherCheck 0.2.3 64-bit223552%
15.5/30
48%
14/29
 37%
11/30
  
AliChess 4.25222958%
17.5/30
53%
15.5/29
    
Adam 3.32221 62%
20/32
 37%
11/30
  
RamJet 0.132220 64%
18.5/29
 52%
15.5/30
31%
10/32
 
Buzz 0.08 64-bit2216 55%
17.5/32
 50%
15/30
41%
13/32
 
FireFly 2.7.0 64-bit2209   38%
10/26
31%
10/32
 
ChessAlex 2.0r422080%
0/1
55%
16/29
 42%
12.5/30
  
Chispa 4.0.32207 55%
33.5/61
 41%
12/29
50%
16/32
 
NameEloIsa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.45
64-bit
Isa
2.0.48
64-bit
Isa
1.9.51
64-bit
Isa
1.9.63
64-bit
Beowulf 2.4a 32-bit2203 50%
31/62
 43%
23/53
47%
15/32
 
RattateChess 1.0 Nosferatu21990%
0/1
51%
31.5/62
 51%
28.5/56
44%
14/32
 
Latista (Sinobyl) 1.52196 40%
12/30
 42%
22/53
  
NG-Play 9.86 64-bit2195 40%
10.5/26
   39%
12.5/32
Uralochka 1.1b2189 58%
18.5/32
 50%
28/56
55%
17.5/32
 
Mango Paola Ajedrez 1.02185100%
2/2
47%
13.5/29
39%
12.5/32
48%
14.5/30
41%
13/32
48%
10.5/22
Atak 6.821840%
0/1
62%
38/61
 58%
32.5/56
31%
10/32
 
Madeleine 0.22183 60%
36.5/61
 46%
26/57
59%
19/32
 
Protej 0.5.8c2178  56%
18/32
45%
21/47
34%
10.5/31
35%
8.5/24
Genesis 2.02171  50%
16/32
 48%
15.5/32
65%
17/26
Dorpsgek Cosmopolitan 2 64-bit2161  73%
23.5/32
48%
14/29
41%
13/32
47%
14/30
Blitzkrieg rev337 64-bit2160100%
1/1
 79%
22/28
 48%
14.5/30
40%
21/52
BlackBishop 1.02157  67%
21.5/32
 55%
17.5/32
42%
12.5/30
NagaSkaki 5.122156100%
1/1
 61%
19.5/32
 41%
13/32
46%
11.5/25
Chesley r323 64-bit2148  46%
13/28
  41%
23.5/58
Alarm 0.93.12145  46%
13/28
100%
1/1
39%
12.5/32
44%
12/27
Lime 662144  61%
17/28
 48%
15.5/32
60%
12/20
ChessKISS 1.7c 64-bit2136  70%
19.5/28
 48%
15.5/32
36%
20/56
Fortress 1.622136  52%
14/27
 41%
13/32
30%
16.5/55
GopherCheck 0.2.2 64-bit2135  61%
19.5/32
  44%
14/32
NameEloIsa
2.0.64
64-bit
Isa
2.0.61
64-bit
Isa
2.0.45
64-bit
Isa
2.0.48
64-bit
Isa
1.9.51
64-bit
Isa
1.9.63
64-bit
Nesik 0.7.0 alpha2134  58%
15/26
 44%
14/32
47%
27.5/58
WJChess 1.642131  41%
11/27
 42%
11/26
46%
26/56
GK 0.90 64-bit2110  52%
14.5/28
  49%
27/55
Alf 1.09 64-bit2107 0%
0/1
48%
13/27
 41%
13/32
49%
27/55
BikJump 2.01 64-bit2103  59%
16.5/28
 59%
19/32
 
Napoleon 1.7 64-bit2102  56%
17.5/31
  68%
21/31
Wing 2.0a2100  59%
19/32
 50%
16/32
 
Clarabit 1.00 64-bit2099  59%
16.5/28
 56%
18/32
 
Alcibiades 0.2.7 64-bit2066  80%
25.5/32
 58%
21.5/37
 
Bubble 1.51987100%
1/1
0%
0/1
    
Smash 1.0.31925 100%
1/1
 100%
1/1
  
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%

Alter engine selection



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:
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  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 November 14, 2019