CCRL Blitz
Downloads and Statistics
April 4, 2020
Testing summary:
Total: 2'237'337 games
played by 2'622 programs

White wins: 863'695 (38.6%)
Black wins: 695'766 (31.1%)
Draws: 677'876 (30.3%)
White score: 53.8%

Custom engine selection

Comparing 5 engines!
5 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 April 4, 2020 with Bayeselo based on 2'237'337 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-bit2253+14−1449.0%+9.124.0%1816 
100.0%
 FireFly 2.7.0 64-bit2209+14−1448.7%+9.424.9%1916
99.2%
 FireFly 2.6.0 64-bit2181+18−1848.2%+13.919.7%1179
100.0%
 FireFly 2.5.8 64-bit2134+16−1653.3%−27.318.9%1464
100.0%
 FireFly 2.1.31967+45−4634.6%+128.318.1%204
 

Results matrix

Custom engine selection
#NameElo12345
1FireFly 2.7.2 64-bit2253     
2FireFly 2.7.0 64-bit2209     
3FireFly 2.6.0 64-bit2181     
4FireFly 2.5.8 64-bit2134     
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-bit2253 100.0100.0100.0100.0
2FireFly 2.7.0 64-bit22090.0 99.2100.0100.0
3FireFly 2.6.0 64-bit21810.00.8 100.0100.0
4FireFly 2.5.8 64-bit21340.00.00.0 100.0
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-bit2253 6523941366
2FireFly 2.7.0 64-bit2209652 16548866
3FireFly 2.6.0 64-bit21813941654 12756
4FireFly 2.5.8 64-bit21341368861275 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-bit2253 17.513.24.10.3
2FireFly 2.7.0 64-bit220917.5 53.426.20.3
3FireFly 2.6.0 64-bit218113.253.4 48.20.4
4FireFly 2.5.8 64-bit21344.126.248.2 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 1.0.3232345%
12.5/28
21%
7/33
   
Popochin 3.2227655%
17.5/32
45%
14.5/32
27%
8.5/32
  
Paladin 0.1 64-bit227352%
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 1.292263 52%
16.5/32
45%
14.5/32
  
Mediocre 0.52262 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-bit2253  53%
16.5/31
28%
9/32
 
Rhetoric Lite2237  41%
13/32
41%
13/32
 
Anechka 0.08223544%
14/32
34%
11/32
34%
11/32
 0%
0/1
Ant 2006-F223539%
12.5/32
56%
18/32
55%
17.5/32
42%
13.5/32
0%
0/1
AliChess 4.25222956%
18/32
53%
17/32
42%
13.5/32
  
OBender 3.2.x2225 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-bit221662%
18/29
0%
0/1
   
Chispa 4.0.32207 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 2.12206 55%
17.5/32
55%
17/31
  
Waxman 20112205  48%
15.5/32
50%
16/32
 
Beowulf 2.4a 32-bit2203 48%
15.5/32
39%
12.5/32
34%
11/32
 
RattateChess 1.0 Nosferatu21990%
0/1
48%
16/33
   
Shallow 1.0 64-bit2193 48%
15.5/32
41%
13/32
48%
15.5/32
 
Uralochka 1.1b2189 52%
17/33
50%
16/32
  
Mango Paola Ajedrez 1.02185 59%
19/32
58%
18.5/32
  
Atak 6.8218450%
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 2.02171 44%
14/32
62%
20/32
48%
15.5/32
 
InmiChess3.06N2162  52%
16.5/32
50%
16/32
 
NagaSkaki 5.12215650%
0.5/1
 56%
18/32
  
BlackBishop 1.02155 53%
17/32
48%
15.5/32
38%
11.5/30
 
Alarm 0.93.12146 58%
18.5/32
58%
18.5/32
41%
13/32
 
Lime 6621440%
0/1
57%
17/30
56%
18/32
42%
13.5/32
 
ChessKISS 1.7c 64-bit213850%
0.5/1
55%
17.5/32
   
Fortress 1.622137 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 1.642133 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 0.902020100%
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%

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 April 4, 2020