CCRL Blitz
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 2'478'353 games
played by 2'951 programs

White wins: 953'046 (38.5%)
Black wins: 763'412 (30.8%)
Draws: 761'895 (30.7%)
White score: 53.8%

Custom engine selection

Comparing 8 engines!
8 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 March 6, 2021 with Bayeselo based on 2'478'353 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+
1Orion 0.8 64-bit3137+16−1655.6%−41.036.7%1263 
100.0%
 Orion 0.7 64-bit2738+17−1755.2%−37.429.4%1231
100.0%
 Orion 0.6 64-bit2624+17−1751.0%−6.130.0%1204
100.0%
 Orion 0.5 64-bit2514+12−1253.8%−26.129.5%2478
100.0%
 Orion 0.4 64-bit2418+18−1852.3%−16.624.2%1147
100.0%
 Orion 0.3.0 64-bit2334+15−1549.0%+9.222.0%1688
100.0%
 Orion 0.2 64-bit2206+17−1748.3%+13.421.5%1239
100.0%
 Orion 0.1 64-bit2154+18−1855.2%−39.922.2%1205
 

Results matrix

Custom engine selection
#NameElo12345678
1Orion 0.8 64-bit3137        
2Orion 0.7 64-bit2738        
3Orion 0.6 64-bit2624        
4Orion 0.5 64-bit2514        
5Orion 0.4 64-bit2418        
6Orion 0.3.0 64-bit2334        
7Orion 0.2 64-bit2206        
8Orion 0.1 64-bit2154        
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
#NameElo12345678
1Orion 0.8 64-bit3137 100.0100.0100.0100.0100.0100.0100.0
2Orion 0.7 64-bit27380.0 100.0100.0100.0100.0100.0100.0
3Orion 0.6 64-bit26240.00.0 100.0100.0100.0100.0100.0
4Orion 0.5 64-bit25140.00.00.0 100.0100.0100.0100.0
5Orion 0.4 64-bit24180.00.00.00.0 100.0100.0100.0
6Orion 0.3.0 64-bit23340.00.00.00.00.0 100.0100.0
7Orion 0.2 64-bit22060.00.00.00.00.00.0 100.0
8Orion 0.1 64-bit21540.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Orion 0.8 64-bit3137 18003000
2Orion 0.7 64-bit273818 73596000
3Orion 0.6 64-bit26240735 2023000
4Orion 0.5 64-bit251409202 7319300
5Orion 0.4 64-bit2418363731 704529
6Orion 0.3.0 64-bit233400093704 401402
7Orion 0.2 64-bit2206000052401 1276
8Orion 0.1 64-bit2154000094021276 
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
#NameElo12345678
1Orion 0.8 64-bit3137 0.70.00.00.10.00.00.0
2Orion 0.7 64-bit27380.7 30.20.20.30.00.00.0
3Orion 0.6 64-bit26240.030.2 5.50.10.00.00.0
4Orion 0.5 64-bit25140.00.25.5 20.22.20.00.0
5Orion 0.4 64-bit24180.10.30.120.2 24.82.20.4
6Orion 0.3.0 64-bit23340.00.00.02.224.8 13.713.9
7Orion 0.2 64-bit22060.00.00.00.02.213.7 52.2
8Orion 0.1 64-bit21540.00.00.00.00.413.952.2 
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 83 common opponents

Custom engine selection
NameEloOrion
0.8
64-bit
Orion
0.7
64-bit
Orion
0.6
64-bit
Orion
0.5
64-bit
Orion
0.4
64-bit
Orion
0.3.0
64-bit
Orion
0.2
64-bit
Orion
0.1
64-bit
NirvanaChess 2.4 64-bit313250%
15.5/31
   0%
0/1
   
BBC 1.4 Stockfish NNUE 64-bit295875%
10.5/14
17%
1/6
      
Chess Tiger 2007.12713 72%
23/32
 0%
0/1
50%
0.5/1
   
Chessmaster 11 Paralyse2689   50%
0.5/1
0%
0/1
   
DanaSah 8.32688 58%
18.5/32
34%
10.5/31
     
K2 0.952674 58%
31/53
52%
16.5/32
     
Drosophila 1.6 64-bit2668 66%
35/53
48%
15.5/32
     
Nebula 2.0 64-bit2655 60%
30/50
 0%
0/2
    
Colossus 2008b2642 63%
33/52
47%
15/32
     
Cyrano 0.6b17 64-bit2641 77%
38.5/50
52%
16/31
     
Rodin 8.02641 63%
33/52
61%
19.5/32
     
Sjakk 2.2 64-bit2638 53%
27.5/52
55%
17.5/32
     
E.T. Chess 13.01.082634 66%
35/53
48%
15.5/32
 100%
1/1
   
WyldChess 1.51 64-bit2629 58%
31/53
50%
15.5/31
     
NoraGrace 2.0 64-bit2610  56%
18/32
100%
1/1
    
Caligula 0.9g2601  42%
13.5/32
45%
28.5/64
    
Minic 0.43 64-bit2597  53%
34/64
38%
12.5/33
    
Floyd 0.9 64-bit2587  56%
18/32
0%
0/1
    
Coiled 0.6 64-bit2583  64%
20.5/32
50%
0.5/1
    
Schooner 1.8 64-bit2520   48%
15.5/32
50%
0.5/1
   
NameEloOrion
0.8
64-bit
Orion
0.7
64-bit
Orion
0.6
64-bit
Orion
0.5
64-bit
Orion
0.4
64-bit
Orion
0.3.0
64-bit
Orion
0.2
64-bit
Orion
0.1
64-bit
CyberPagno 3.0 64-bit2496   61%
20/33
 29%
12/42
  
Bruja 1.9.1 64-bit2491   52%
16.5/32
50%
0.5/1
   
Tao 5.62488   45%
15/33
 0%
0/1
  
Jumbo 0.6.31 64-bit2441   88%
10.5/12
33%
10.5/32
   
Abrok 5.02433   67%
21.5/32
55%
17.5/32
   
LambChop 10.992433   55%
43.5/79
69%
22/32
   
King of Kings 2.562432   62%
28.5/46
47%
15/32
   
Eeyore 1.52 64-bit2429   53%
24.5/46
48%
15.5/32
   
Gaia 3.5 64-bit2424   63%
49.5/78
69%
22/32
   
Nejmet 3.072424   66%
21/32
53%
16.5/31
   
Quark 2.352424   50%
0.5/1
55%
17.5/32
0%
0/2
  
Caligula 0.7b2421   69%
31/45
 0%
0/1
  
Hussar 0.42421   61%
48/79
50%
16/32
   
Dragon 4.62417   61%
48.5/80
33%
10.5/32
   
Monolith 0.3 64-bit2410    38%
12/32
53%
17/32
  
Simplex 0.9.8 64-bit2407   50%
0.5/1
52%
16/31
   
Ifrit m1.8 64-bit2406   100%
1/1
61%
19/31
   
Bearded N44.5 64-bit2393    0%
0/1
35%
10.5/30
  
Leila 0.53h2387    100%
1/1
100%
1/1
  
Diablo 0.5.12384    50%
15.5/31
23%
7.5/32
  
NameEloOrion
0.8
64-bit
Orion
0.7
64-bit
Orion
0.6
64-bit
Orion
0.5
64-bit
Orion
0.4
64-bit
Orion
0.3.0
64-bit
Orion
0.2
64-bit
Orion
0.1
64-bit
Myrddin 0.87 64-bit2381    45%
13.5/30
45%
14.5/32
  
Der Bringer 1.92374    67%
20/30
43%
22/51
  
Patzer 3.802373   100%
1/1
35%
10.5/30
60%
18/30
  
Terra 3.42369   50%
0.5/1
40%
12/30
37%
18/49
  
Alex 2.14a 64-bit2348    57%
17/30
47%
15/32
  
Tigran 2.4n 64-bit2344    56%
17.5/31
59%
19/32
  
Horizon 4.42343    53%
16/30
64%
21/33
  
Jumbo 0.5.3 64-bit2339    60%
18/30
44%
27.5/62
  
Jazz 840 64-bit2320    63%
19/30
 47%
7.5/16
 
Absolute Zero 2.4.7.2 64-bit2317   100%
1/1
100%
2/2
67%
21.5/32
  
Popochin 3.22275     50%
0.5/1
45%
14.5/32
 
Waxman 20132268      34%
11/32
40%
4/10
Zeus 1.292261     56%
18/32
44%
14/32
45%
4.5/10
Natwarlal 0.142260     0%
0/1
50%
16/32
 
Absolute Zero 2.4.0.0 64-bit2259      48%
15.5/32
50%
5/10
Anechka 0.082234     61%
20/33
39%
12.5/32
42%
8.5/20
Ant 2006-F2230     81%
26/32
55%
17.5/32
40%
8/20
AliChess 4.252227     73%
24/33
50%
16/32
45%
9/20
Adam 3.32220     59%
19/32
33%
10.5/32
28%
5.5/20
Exacto 0.e 64-bit2220     70%
22.5/32
 28%
2.5/9
NameEloOrion
0.8
64-bit
Orion
0.7
64-bit
Orion
0.6
64-bit
Orion
0.5
64-bit
Orion
0.4
64-bit
Orion
0.3.0
64-bit
Orion
0.2
64-bit
Orion
0.1
64-bit
OBender 3.2.x2220     67%
21.5/32
59%
19/32
44%
14/32
Buzz 0.08 64-bit2210     70%
23/33
 42%
8.5/20
FireFly 2.7.0 64-bit2208      58%
18.5/32
50%
16/32
Chispa 4.0.32206     50%
0.5/1
36%
11.5/32
42%
8.5/20
CyberPagno 2.12205      61%
19.5/32
45%
9/20
Beowulf 2.4a 32-bit2204    0%
0/1
 41%
13/32
52%
16.5/32
RattateChess 1.0 Nosferatu2200     100%
1/1
45%
14.5/32
34%
14/41
Shallow 1.0 64-bit2192      41%
13/32
45%
4.5/10
Uralochka 1.1b2189     100%
1/1
45%
14.5/32
70%
7/10
Mango Paola Ajedrez 1.02187      53%
17/32
60%
18.5/31
Atak 6.82184      36%
11.5/32
55%
5.5/10
Protej 0.5.8c2184      62%
18.5/30
67%
21.5/32
Madeleine 0.22183    100%
1/1
 53%
17/32
40%
17/42
K2 0.572180      59%
19/32
44%
13.5/31
Genesis 2.02170      56%
18/32
48%
19.5/41
InmiChess3.06N2162      55%
17.5/32
47%
15/32
Kurt 0.9.2.2 64-bit2161     0%
0/2
 35%
3.5/10
BlackBishop 1.02155      50%
16/32
50%
5/10
NagaSkaki 5.122155      72%
23/32
65%
6.5/10
Alarm 0.93.12143      55%
17/31
80%
8/10
NameEloOrion
0.8
64-bit
Orion
0.7
64-bit
Orion
0.6
64-bit
Orion
0.5
64-bit
Orion
0.4
64-bit
Orion
0.3.0
64-bit
Orion
0.2
64-bit
Orion
0.1
64-bit
Lime 662143      52%
16.5/32
60%
6/10
WJChess 1.642130     50%
0.5/1
 45%
4.5/10
GK 0.90 64-bit2110    100%
1/1
  45%
4.5/10
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 March 6, 2021