CCRL Blitz
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 2'526'227 games
played by 3'011 programs

White wins: 970'445 (38.4%)
Black wins: 776'698 (30.7%)
Draws: 779'084 (30.8%)
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 May 15, 2021 with Bayeselo based on 2'526'227 games
Please refer to the "about" page for comments on engine inclusion

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+
1GNU Chess 5.60 64-bit2809+14−1347.8%+13.834.4%1832 
98.5%
 GNU Chess 5.50 64-bit2780+22−2247.2%+20.032.1%732
100.0%
 GNU Chess 6.25 64-bit2661+31−3242.5%+52.830.6%346
100.0%
 GNU Chess 5.07.173b 64-bit2598+11−1147.7%+16.127.0%2995
54.0%
 GNU Chess 5.07.1705b (TCEC) 64-bit2597+14−1454.2%−30.727.7%1771
100.0%
 GNU Chess 5.07.9b 64-bit2347+15−1552.5%−19.521.0%1758
100.0%
 GNU Chess 5.07 64-bit2237+20−2049.9%+0.216.3%1024
 

Results matrix

Custom engine selection
#NameElo1234567
1GNU Chess 5.60 64-bit2809       
2GNU Chess 5.50 64-bit2780       
3GNU Chess 6.25 64-bit2661       
4GNU Chess 5.07.173b 64-bit2598       
5GNU Chess 5.07.1705b (TCEC) 64-bit2597       
6GNU Chess 5.07.9b 64-bit2347       
7GNU Chess 5.07 64-bit2237       
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
1GNU Chess 5.60 64-bit2809 98.5100.0100.0100.0100.0100.0
2GNU Chess 5.50 64-bit27801.5 100.0100.0100.0100.0100.0
3GNU Chess 6.25 64-bit26610.00.0 100.0100.0100.0100.0
4GNU Chess 5.07.173b 64-bit25980.00.00.0 54.0100.0100.0
5GNU Chess 5.07.1705b (TCEC) 64-bit25970.00.00.046.0 100.0100.0
6GNU Chess 5.07.9b 64-bit23470.00.00.00.00.0 100.0
7GNU Chess 5.07 64-bit22370.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1GNU Chess 5.60 64-bit2809 578182255000
2GNU Chess 5.50 64-bit2780578 18176000
3GNU Chess 6.25 64-bit266118218 21018100
4GNU Chess 5.07.173b 64-bit2598255176210 242200
5GNU Chess 5.07.1705b (TCEC) 64-bit2597001812422 660
6GNU Chess 5.07.9b 64-bit2347000066 1321
7GNU Chess 5.07 64-bit2237000001321 
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
1GNU Chess 5.60 64-bit2809 22.58.45.30.00.00.0
2GNU Chess 5.50 64-bit278022.5 1.74.70.00.00.0
3GNU Chess 6.25 64-bit26618.41.7 6.38.50.00.0
4GNU Chess 5.07.173b 64-bit25985.34.76.3 50.80.00.0
5GNU Chess 5.07.1705b (TCEC) 64-bit25970.00.08.550.8 1.90.0
6GNU Chess 5.07.9b 64-bit23470.00.00.00.01.9 47.5
7GNU Chess 5.07 64-bit22370.00.00.00.00.047.5 
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 107 common opponents

Custom engine selection
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
6.25
64-bit
GNU
Chess
5.07.173b
64-bit
GNU
Chess
5.07.1705b
(TCEC)
64-bit
GNU
Chess
5.07.9b
64-bit
GNU
Chess
5.07
64-bit
Quazar 0.4 64-bit290139%
12.5/32
33%
2/6
     
Thinker 5.4d Inert 64-bit288431%
9.5/31
8%
0.5/6
     
Murka 3 64-bit288347%
15/32
25%
2.5/10
     
Gaviota 1.0 64-bit287141%
13/32
83%
5/6
     
MinkoChess 1.3 64-bit287042%
13.5/32
44%
20/45
     
Nemo 1.0.1 64-bit285838%
12/32
44%
11.5/26
     
Zappa Mexico II 64-bit284753%
17/32
50%
3/6
     
Vajolet2 1.28 64-bit283953%
17/32
33%
2/6
     
Crafty 23.8 64-bit282540%
12/30
40%
4/10
     
Cheng4 0.36c 64-bit282047%
15/32
39%
20.5/52
     
Scorpio 2.7.6 64-bit2816 50%
3/6
31%
9/29
    
Tornado 4.88 64-bit281059%
19/32
33%
2/6
     
Rhetoric 1.4.3 64-bit280858%
18.5/32
 32%
9.5/30
    
Gaviota 0.86 64-bit2799 44%
17.5/40
 15%
1.5/10
   
Ktulu 9278148%
15.5/32
 39%
11/28
    
Octochess r5190 64-bit278156%
18/32
44%
14/32
     
The Baron 3.29 64-bit277362%
18.5/30
 28%
8.5/30
    
Bright 0.5c277258%
18.5/32
  16%
5/32
   
Twisted Logic 20090922 64-bit277156%
18/32
  25%
8/32
   
Frenzee 3.5.19 64-bit276950%
16/32
38%
4.5/12
     
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
6.25
64-bit
GNU
Chess
5.07.173b
64-bit
GNU
Chess
5.07.1705b
(TCEC)
64-bit
GNU
Chess
5.07.9b
64-bit
GNU
Chess
5.07
64-bit
Jonny 4.00276448%
15/31
58%
3.5/6
 20%
6.5/32
   
Dirty 20Apr2013 64-bit276261%
19/31
35%
8.5/24
     
BugChess2 1.9 64-bit276059%
19/32
33%
2/6
 27%
8.5/32
   
Naum 2.0 32-bit2700   45%
14.5/32
31%
10/32
  
Gaviota 0.84 64-bit2687   35%
15.5/44
33%
14.5/44
  
Delfi 5.42684   47%
15/32
36%
11.5/32
  
Bobcat 2.75 64-bit2676   38%
16.5/44
58%
7/12
  
RedQueen 1.0.0 64-bit2675   46%
5.5/12
25%
3/12
  
Daydreamer 1.75 64-bit2673   48%
15.5/32
31%
9.5/31
  
Dirty 25Aug2011 64-bit2669   42%
5/12
42%
5/12
  
Alaric 7072663  50%
13.5/27
45%
14/31
45%
14.5/32
  
Nebula 2.0 64-bit2655  45%
12.5/28
40%
4/10
   
Colossus 2008b2642  64%
18/28
42%
13.5/32
47%
15/32
  
Cyrano 0.6b17 64-bit2641  53%
16/30
56%
18/32
58%
18.5/32
  
Deuterium 11.01.28.1592637   54%
6.5/12
54%
6.5/12
  
Alfil 8.1.1 Optimized2626   47%
15/32
44%
14/32
  
WildCat 82625   34%
11/32
48%
15.5/32
  
Movei 00.8.438 (10 10 10)2622   45%
14.5/32
52%
16.5/32
  
Philou 3.7.1 64-bit2620 73%
30.5/42
 30%
3/10
   
Godel 2.3.7 64-bit2618 93%
6.5/7
 52%
21/40
   
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
6.25
64-bit
GNU
Chess
5.07.173b
64-bit
GNU
Chess
5.07.1705b
(TCEC)
64-bit
GNU
Chess
5.07.9b
64-bit
GNU
Chess
5.07
64-bit
Sloppy 0.2.2 64-bit2617   38%
12/32
38%
12/32
  
Glass 2.0 64-bit2615 43%
3/7
 40%
4/10
   
Slow Chess Blitz WV2.12615   44%
14/32
52%
16.5/32
  
GarboChess 2.20 64-bit2608 93%
6.5/7
 58%
18.5/32
   
Amyan 1.722605   50%
6/12
49%
21.5/44
  
Pharaon 3.5.12604   55%
17.5/32
47%
15/32
  
Zappa 1.1 64-bit2604   67%
21.5/32
72%
23/32
  
Cheng3 1.05 64-bit2602   54%
6.5/12
67%
8/12
  
Arminius 2013-08-10 64-bit2597 86%
6/7
 45%
14.5/32
   
CuckooChess 1.12 64-bit2597   71%
8.5/12
58%
7/12
  
Gaviota 0.83 64-bit2596   70%
3.5/5
40%
2/5
  
N2 0.4 64-bit2592   53%
23.5/44
51%
22.5/44
  
Arasan 13.2 64-bit2583   67%
8/12
62%
7.5/12
  
Cheng3 1.04 64-bit2581   42%
5/12
46%
5.5/12
  
Francesca MAD 0.192581   50%
6/12
38%
4.5/12
  
Hamsters 0.7.12579   61%
19.5/32
42%
13.5/32
  
Arasan 13.1 64-bit2576   46%
5.5/12
75%
9/12
  
Rotor 0.62573   79%
9.5/12
58%
7/12
  
SOS 5.12572   55%
17.5/32
59%
19/32
  
Francesca MAD 0.182570   29%
3.5/12
58%
7/12
  
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
6.25
64-bit
GNU
Chess
5.07.173b
64-bit
GNU
Chess
5.07.1705b
(TCEC)
64-bit
GNU
Chess
5.07.9b
64-bit
GNU
Chess
5.07
64-bit
Aristarch 4.502568   44%
14/32
48%
15.5/32
  
Petir 4.392565   54%
6.5/12
83%
10/12
  
Glass 1.7 64-bit2557   50%
6/12
58%
7/12
  
Philou 3.602552   42%
5/12
83%
10/12
  
Hermann 2.6 64-bit2541   71%
8.5/12
71%
8.5/12
  
Ufim 8.022541   53%
17/32
39%
12/31
  
CuckooChess 1.11 64-bit2539   58%
7/12
58%
7/12
  
AnMon 5.752538   58%
18.5/32
55%
17.5/32
  
SmarThink 0.17a2537   56%
18/32
52%
16.5/32
  
Hermann 2.8 64-bit2532   62%
7.5/12
71%
8.5/12
  
DanaSah 4.662531   42%
5/12
67%
8/12
  
GreKo 8.2 64-bit2526   83%
10/12
71%
8.5/12
  
Rodin 4.02512   67%
8/12
62%
7.5/12
  
Pupsi2 0.082507   58%
7/12
71%
8.5/12
  
Green Light Chess 3.01.2.22506   53%
17/32
62%
20/32
  
Little Goliath Evolution 3.122503   66%
21/32
53%
16.5/31
  
nanoSzachy 3.92495   71%
8.5/12
71%
8.5/12
  
Bruja 1.9.1 64-bit2491   64%
20.5/32
61%
19.5/32
  
Dorky 4.3 64-bit2467   79%
9.5/12
71%
8.5/12
  
Pawny 0.3 64-bit2463   71%
8.5/12
67%
8/12
  
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
6.25
64-bit
GNU
Chess
5.07.173b
64-bit
GNU
Chess
5.07.1705b
(TCEC)
64-bit
GNU
Chess
5.07.9b
64-bit
GNU
Chess
5.07
64-bit
Delphil 2.82451   75%
9/12
58%
7/12
  
Atlas 3.14b 64-bit2436   58%
7/12
58%
7/12
  
Abrok 5.02432   72%
23/32
77%
24.5/32
  
Eeyore 1.52 64-bit2428   92%
11/12
75%
9/12
  
Hussar 0.42422   92%
11/12
62%
7.5/12
  
Typhoon 1.00-3582414   71%
8.5/12
71%
8.5/12
  
Leila 0.53h2387     35%
12/34
27%
8.5/32
Amy 0.87b2384     44%
14.5/33
30%
9.5/32
Diablo 0.5.12384    78%
25/32
49%
16.5/34
 
Comet B682378     44%
15/34
39%
12.5/32
Sjeng 12.132375     35%
11.5/33
25%
8/32
Der Bringer 1.92374     65%
22/34
38%
12/32
Djinn 0.925x2372     43%
14.5/34
25%
8/32
Muse 0.899b2371     44%
15/34
41%
13/32
The Crazy Bishop 00522364     53%
18/34
45%
14.5/32
Amateur 2.822351     44%
15/34
39%
12.5/32
Phalanx XXII Reborn JA2351     40%
14.5/36
25%
8/32
Thor's Hammer 2.28 32-bit2330     50%
17/34
47%
15/32
Chezzz 1.0.32321     56%
18.5/33
34%
11/32
Averno 0.812307     60%
21.5/36
31%
10/32
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
6.25
64-bit
GNU
Chess
5.07.173b
64-bit
GNU
Chess
5.07.1705b
(TCEC)
64-bit
GNU
Chess
5.07.9b
64-bit
GNU
Chess
5.07
64-bit
KnightX 1.922296     60%
20.5/34
69%
22/32
Eeyore 1.482289     54%
18.5/34
31%
10/32
Esc 1.162267     65%
22/34
59%
19/32
EXchess 5.01b 64-bit2265     76%
26/34
36%
11.5/32
Scidlet 3.61 64-bit2265     60%
20.5/34
41%
13/32
Dorky 3.482226     75%
25.5/34
52%
16.5/32
Madeleine 0.22183     72%
24.5/34
56%
18/32
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 May 15, 2021