CCRL Blitz
Downloads and Statistics
July 4, 2020
Testing summary:
Total: 2'318'734 games
played by 2'727 programs

White wins: 893'537 (38.5%)
Black wins: 718'844 (31.0%)
Draws: 706'353 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 6 engines!
6 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 July 4, 2020 with Bayeselo based on 2'318'734 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-bit2315+16−1649.8%+1.120.8%1440 
100.0%
 Isa 2.0.61 64-bit2237+18−1851.5%−11.223.0%1192
99.9%
 Isa 2.0.45 64-bit2192+22−2255.0%−37.320.2%793
86.1%
 Isa 2.0.48 64-bit2176+21−2146.5%+24.722.5%790
100.0%
 Isa 1.9.51 64-bit2121+19−1945.9%+30.020.0%984
81.7%
 Isa 1.9.63 64-bit2108+21−2146.3%+27.518.7%888
 

Results matrix

Custom engine selection
#NameElo123456
1Isa 2.0.64 64-bit2315      
2Isa 2.0.61 64-bit2237      
3Isa 2.0.45 64-bit2192      
4Isa 2.0.48 64-bit2176      
5Isa 1.9.51 64-bit2121      
6Isa 1.9.63 64-bit2108      
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-bit2315 100.0100.0100.0100.0100.0
2Isa 2.0.61 64-bit22370.0 99.9100.0100.0100.0
3Isa 2.0.45 64-bit21920.00.1 86.1100.0100.0
4Isa 2.0.48 64-bit21760.00.013.9 100.0100.0
5Isa 1.9.51 64-bit21210.00.00.00.0 81.7
6Isa 1.9.63 64-bit21080.00.00.00.018.3 
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-bit2315 56370861812
2Isa 2.0.61 64-bit2237563 1721088720112
3Isa 2.0.45 64-bit219270172 20511031230
4Isa 2.0.48 64-bit2176861088205 885185
5Isa 1.9.51 64-bit2121187201103885 971
6Isa 1.9.63 64-bit2108121121230185971 
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-bit2315 21.43.13.90.70.5
2Isa 2.0.61 64-bit223721.4 8.754.933.15.4
3Isa 2.0.45 64-bit21923.18.7 13.062.173.2
4Isa 2.0.48 64-bit21763.954.913.0 49.911.0
5Isa 1.9.51 64-bit21210.733.162.149.9 51.9
6Isa 1.9.63 64-bit21080.55.473.211.051.9 
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-bit231325%
0.5/2
  50%
0.5/1
  
Kingfisher 1.0 64-bit230457%
17/30
50%
16/32
    
Thor's Hammer 2.29 64-bit230146%
13/28
  50%
0.5/1
  
Zevra 1.8.6 r672 64-bit230152%
10.5/20
45%
14.5/32
    
Esc 1.16226658%
17.5/30
  0%
0/1
  
Scidlet 3.61 64-bit2266100%
1/1
  100%
1/1
  
Natwarlal 0.14226063%
19/30
47%
15/32
    
Napoleon 1.8 64-bit22530%
0/1
52%
15.5/30
38%
8/21
   
FireFly 2.7.2 64-bit225260%
18/30
42%
14/33
    
GopherCheck 0.2.3 64-bit223652%
15.5/30
48%
14/29
 37%
11/30
  
Robocide 20170718 64-bit223667%
20/30
44%
14/32
52%
13/25
   
Anechka 0.08223368%
20.5/30
44%
14/32
    
Ant 2006-F223243%
13/30
56%
18/32
    
AliChess 4.25222758%
17.5/30
53%
15.5/29
    
Adam 3.32220 62%
20/32
 37%
11/30
  
RamJet 0.132215 64%
18.5/29
 52%
15.5/30
31%
10/32
 
Buzz 0.08 64-bit2214 55%
17.5/32
 50%
15/30
41%
13/32
 
ChessAlex 2.0r422070%
0/1
55%
16/29
 42%
12.5/30
  
FireFly 2.7.0 64-bit2207   38%
10/26
31%
10/32
 
Chispa 4.0.32206 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 Nosferatu21980%
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-bit2194 40%
10.5/26
   39%
12.5/32
Uralochka 1.1b2188 58%
18.5/32
 50%
28/56
55%
17.5/32
 
Mango Paola Ajedrez 1.02186100%
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 0.5.8c2179  56%
18/32
45%
21/47
34%
10.5/31
35%
8.5/24
Genesis 2.02168  50%
16/32
 48%
15.5/32
65%
17/26
Blitzkrieg rev337 64-bit2160100%
1/1
 79%
22/28
 48%
14.5/30
40%
21/52
Dorpsgek Cosmopolitan 2 64-bit2160  73%
23.5/32
48%
14/29
41%
13/32
47%
14/30
BlackBishop 1.02155  67%
21.5/32
 55%
17.5/32
42%
12.5/30
NagaSkaki 5.122154100%
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 0.93.12144  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-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-bit2134  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 alpha2133  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-bit2111 0%
0/1
48%
13/27
 41%
13/32
49%
27/55
GK 0.90 64-bit2109  52%
14.5/28
  49%
27/55
BikJump 2.01 64-bit2102  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-bit2096  59%
16.5/28
 56%
18/32
 
Alcibiades 0.2.7 64-bit2065  80%
25.5/32
 58%
21.5/37
 
Bubble 1.51987100%
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 July 4, 2020