CCRL Blitz
Downloads and Statistics
November 28, 2020
Testing summary:
Total: 2'414'627 games
played by 2'866 programs

White wins: 929'714 (38.5%)
Black wins: 746'779 (30.9%)
Draws: 738'134 (30.6%)
White score: 53.8%

Custom engine selection

Comparing 7 engines!
7 selected engines played 0 games with each other

CCRL Blitz Rating List — Custom engine selection (Quote)

Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Computed on November 28, 2020 with Bayeselo based on 2'414'627 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 2.0.83 64-bit2325+28−2851.2%−8.723.7%447 
74.9%
 Isa 2.0.64 64-bit2314+16−1649.9%+0.820.7%1484
100.0%
 Isa 2.0.61 64-bit2237+17−1851.5%−11.023.0%1192
99.9%
 Isa 2.0.45 64-bit2193+22−2255.0%−37.220.2%793
86.9%
 Isa 2.0.48 64-bit2176+21−2146.5%+25.222.5%790
100.0%
 Isa 1.9.51 64-bit2122+19−1945.9%+29.820.0%984
81.1%
 Isa 1.9.63 64-bit2109+20−2146.3%+27.618.7%888
 

Results matrix

Custom engine selection
#NameElo1234567
1Isa 2.0.83 64-bit2325       
2Isa 2.0.64 64-bit2314       
3Isa 2.0.61 64-bit2237       
4Isa 2.0.45 64-bit2193       
5Isa 2.0.48 64-bit2176       
6Isa 1.9.51 64-bit2122       
7Isa 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
#NameElo1234567
1Isa 2.0.83 64-bit2325 74.9100.0100.0100.0100.0100.0
2Isa 2.0.64 64-bit231425.1 100.0100.0100.0100.0100.0
3Isa 2.0.61 64-bit22370.00.0 99.9100.0100.0100.0
4Isa 2.0.45 64-bit21930.00.00.1 86.9100.0100.0
5Isa 2.0.48 64-bit21760.00.00.013.1 100.0100.0
6Isa 1.9.51 64-bit21220.00.00.00.00.0 81.1
7Isa 1.9.63 64-bit21090.00.00.00.00.018.9 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Isa 2.0.83 64-bit2325 42300600
2Isa 2.0.64 64-bit2314423 56370861812
3Isa 2.0.61 64-bit22370563 1721088720112
4Isa 2.0.45 64-bit2193070172 20511031230
5Isa 2.0.48 64-bit21766861088205 885185
6Isa 1.9.51 64-bit21220187201103885 971
7Isa 1.9.63 64-bit21090121121230185971 
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
1Isa 2.0.83 64-bit2325 21.90.00.00.50.00.0
2Isa 2.0.64 64-bit231421.9 21.03.13.80.70.5
3Isa 2.0.61 64-bit22370.021.0 8.754.933.15.4
4Isa 2.0.45 64-bit21930.03.18.7 13.062.173.2
5Isa 2.0.48 64-bit21760.53.854.913.0 49.911.0
6Isa 1.9.51 64-bit21220.00.733.162.149.9 51.9
7Isa 1.9.63 64-bit21090.00.55.473.211.051.9 
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 57 common opponents

Custom engine selection
NameEloIsa
2.0.83
64-bit
Isa
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
Sorgenkind 0.4232757%
17/30
43%
9/21
     
Sage 3.53232554%
19.5/36
52%
11/21
     
Chezzz 1.0.3232245%
16.5/37
62%
12.5/20
     
Gibbon 2.69a 64-bit232240%
13.5/34
59%
13/22
     
Mediocre 0.5 64-bit232053%
18/34
85%
8.5/10
     
Aice 0.99.2231639%
13.5/35
55%
43/78
     
Sungorus 1.4 64-bit231157%
20.5/36
25%
0.5/2
  50%
0.5/1
  
Kingfisher 1.0 64-bit2304 57%
17/30
50%
16/32
    
Zevra 1.8.6 r672 64-bit2302 52%
10.5/20
45%
14.5/32
    
Thor's Hammer 2.29 64-bit229558%
19/33
46%
13/28
  50%
0.5/1
  
Esc 1.162268 58%
17.5/30
  0%
0/1
  
Scidlet 3.61 64-bit2265 100%
1/1
  100%
1/1
  
Natwarlal 0.142260 63%
19/30
47%
15/32
    
Napoleon 1.8 64-bit2255 0%
0/1
52%
15.5/30
38%
8/21
   
FireFly 2.7.2 64-bit2251 60%
18/30
42%
14/33
    
Robocide 20170718 64-bit2235 67%
20/30
44%
14/32
52%
13/25
   
Anechka 0.082234 68%
20.5/30
44%
14/32
    
Ant 2006-F2231 43%
13/30
56%
18/32
    
GopherCheck 0.2.3 64-bit2231 52%
15.5/30
48%
14/29
 37%
11/30
  
AliChess 4.252228 58%
17.5/30
53%
15.5/29
    
NameEloIsa
2.0.83
64-bit
Isa
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
Adam 3.32221  62%
20/32
 37%
11/30
  
RamJet 0.132212  64%
18.5/29
 52%
15.5/30
31%
10/32
 
Buzz 0.08 64-bit2211  55%
17.5/32
 50%
15/30
41%
13/32
 
ChessAlex 2.0r42208 0%
0/1
55%
16/29
 42%
12.5/30
  
FireFly 2.7.0 64-bit2208    38%
10/26
31%
10/32
 
Chispa 4.0.32206  55%
33.5/61
 41%
12/29
50%
16/32
 
Beowulf 2.4a 32-bit2204  50%
31/62
 43%
23/53
47%
15/32
 
RattateChess 1.0 Nosferatu2199 0%
0/1
51%
31.5/62
 51%
28.5/56
44%
14/32
 
Latista (Sinobyl) 1.52195  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 1.02187 100%
2/2
47%
13.5/29
39%
12.5/32
48%
14.5/30
41%
13/32
48%
10.5/22
Atak 6.82185 0%
0/1
62%
38/61
 58%
32.5/56
31%
10/32
 
Madeleine 0.22184  60%
36.5/61
 46%
26/57
59%
19/32
 
Protej 0.5.8c2183   56%
18/32
45%
21/47
34%
10.5/31
35%
8.5/24
Genesis 2.02170   50%
16/32
 48%
15.5/32
65%
17/26
Blitzkrieg rev337 64-bit2163 100%
1/1
 79%
22/28
 48%
14.5/30
40%
21/52
Dorpsgek Cosmopolitan 2 64-bit2161   73%
23.5/32
48%
14/29
41%
13/32
47%
14/30
NagaSkaki 5.122156 100%
1/1
 61%
19.5/32
 41%
13/32
46%
11.5/25
BlackBishop 1.02155   67%
21.5/32
 55%
17.5/32
42%
12.5/30
NameEloIsa
2.0.83
64-bit
Isa
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
Chesley r323 64-bit2148   46%
13/28
  41%
23.5/58
Alarm 0.93.12144   46%
13/28
100%
1/1
39%
12.5/32
44%
12/27
Lime 662143   61%
17/28
 48%
15.5/32
60%
12/20
ChessKISS 1.7c 64-bit2141   70%
19.5/28
 48%
15.5/32
36%
20/56
Fortress 1.622137   52%
14/27
 41%
13/32
30%
16.5/55
GopherCheck 0.2.2 64-bit2135   61%
19.5/32
  44%
14/32
Nesik 0.7.0 alpha2134   58%
15/26
 44%
14/32
47%
27.5/58
WJChess 1.642130   41%
11/27
 42%
11/26
46%
26/56
Alf 1.09 64-bit2110  0%
0/1
48%
13/27
 41%
13/32
49%
27/55
GK 0.90 64-bit2110   52%
14.5/28
  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 2.0a2101   59%
19/32
 50%
16/32
 
Clarabit 1.00 64-bit2097   59%
16.5/28
 56%
18/32
 
Alcibiades 0.2.7 64-bit2065   80%
25.5/32
 58%
21.5/37
 
Bubble 1.51987 100%
1/1
0%
0/1
    
Smash 1.0.31924  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:
  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 November 28, 2020