CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 10 engines!
10 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 10, 2021 with Bayeselo based on 2'502'969 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+
1Zurichess Neuchatel 64-bit2901+9−950.3%−1.941.1%4740 
100.0%
 Zurichess Luzern 64-bit2844+17−1748.7%+7.638.1%1169
100.0%
 Zurichess Jura 64-bit2778+19−1947.2%+18.236.3%902
100.0%
 Zurichess Graubuenden 64-bit2724+18−1754.0%−26.729.9%1164
100.0%
 Zurichess Glarus 64-bit2579+19−1952.5%−19.030.3%946
100.0%
 Zurichess Geneva 64-bit2496+20−2050.5%−3.225.7%929
100.0%
 Zurichess Fribourg 64-bit2435+17−1749.7%+1.925.3%1178
100.0%
 Zurichess Bern 64-bit2235+21−2064.8%−117.821.9%955
100.0%
 Zurichess Appenzeller 64-bit1828+21−2148.1%+13.132.0%810
100.0%
 Zurichess 1501161733+31−3142.7%+69.528.8%410
 

Results matrix

Custom engine selection
#NameElo12345678910
1Zurichess Neuchatel 64-bit2901          
2Zurichess Luzern 64-bit2844          
3Zurichess Jura 64-bit2778          
4Zurichess Graubuenden 64-bit2724          
5Zurichess Glarus 64-bit2579          
6Zurichess Geneva 64-bit2496          
7Zurichess Fribourg 64-bit2435          
8Zurichess Bern 64-bit2235          
9Zurichess Appenzeller 64-bit1828          
10Zurichess 1501161733          
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
#NameElo12345678910
1Zurichess Neuchatel 64-bit2901 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Zurichess Luzern 64-bit28440.0 100.0100.0100.0100.0100.0100.0100.0100.0
3Zurichess Jura 64-bit27780.00.0 100.0100.0100.0100.0100.0100.0100.0
4Zurichess Graubuenden 64-bit27240.00.00.0 100.0100.0100.0100.0100.0100.0
5Zurichess Glarus 64-bit25790.00.00.00.0 100.0100.0100.0100.0100.0
6Zurichess Geneva 64-bit24960.00.00.00.00.0 100.0100.0100.0100.0
7Zurichess Fribourg 64-bit24350.00.00.00.00.00.0 100.0100.0100.0
8Zurichess Bern 64-bit22350.00.00.00.00.00.00.0 100.0100.0
9Zurichess Appenzeller 64-bit18280.00.00.00.00.00.00.00.0 100.0
10Zurichess 15011617330.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Zurichess Neuchatel 64-bit2901 1501897851200300
2Zurichess Luzern 64-bit28441501 11724731200000
3Zurichess Jura 64-bit27788971172 476000000
4Zurichess Graubuenden 64-bit272485473476 8916352000
5Zurichess Glarus 64-bit257912120891 565317000
6Zurichess Geneva 64-bit249600063565 1171000
7Zurichess Fribourg 64-bit2435000523171171 000
8Zurichess Bern 64-bit22353000000 4850
9Zurichess Appenzeller 64-bit18280000000485 0
10Zurichess 1501161733000000000 
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
#NameElo12345678910
1Zurichess Neuchatel 64-bit2901 25.415.91.40.20.00.00.10.00.0
2Zurichess Luzern 64-bit284425.4 56.620.30.60.00.00.00.00.0
3Zurichess Jura 64-bit277815.956.6 23.00.00.00.00.00.00.0
4Zurichess Graubuenden 64-bit27241.420.323.0 42.23.02.20.00.00.0
5Zurichess Glarus 64-bit25790.20.60.042.2 30.114.90.00.00.0
6Zurichess Geneva 64-bit24960.00.00.03.030.1 55.60.00.00.0
7Zurichess Fribourg 64-bit24350.00.00.02.214.955.6 0.00.00.0
8Zurichess Bern 64-bit22350.10.00.00.00.00.00.0 27.50.0
9Zurichess Appenzeller 64-bit18280.00.00.00.00.00.00.027.5 0.0
10Zurichess 15011617330.00.00.00.00.00.00.00.00.0 
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 90 common opponents

Custom engine selection
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
Zurichess
Bern
64-bit
Zurichess
Appenzeller
64-bit
Zurichess
150116
Crafty 25.2 64-bit2933 45%
14.5/32
 22%
11/50
      
Spark 1.0 64-bit292641%
26.5/65
27%
8.5/32
        
Spike 1.4 Leiden292047%
30/64
45%
14.5/32
        
EXchess 7.97b 64-bit291655%
17/31
47%
15/32
        
ChessBrainVB 3.50290656%
14.5/26
42%
13.5/32
        
Quazar 0.4 64-bit290159%
34/58
42%
13.5/32
        
Deep Junior Yokohama 64-bit289755%
17.5/32
52%
16.5/32
        
Deuterium 14.3.34.130 64-bit288346%
28/61
53%
17/32
25%
8/32
       
Murka 3 64-bit288236%
21.5/59
33%
10.5/32
21%
6.5/31
       
Atlas 3.80 64-bit287541%
23.5/58
50%
15.5/31
39%
12.5/32
       
Gaviota 1.0 64-bit287158%
19/33
53%
17/32
32%
10/31
       
DisasterArea 1.65 64-bit286968%
34.5/51
40%
12.5/31
30%
9.5/32
       
MinkoChess 1.3 64-bit286952%
14.5/28
41%
13/32
47%
15/32
       
Amoeba 2.5 64-bit286553%
15.5/29
48%
15.5/32
        
Nemo 1.0.1 64-bit285760%
36.5/61
48%
15.5/32
41%
13/32
       
Zappa Mexico II 64-bit284662%
20/32
62%
20/32
39%
12.5/32
       
Onno 1.2.70 64-bit284161%
19.5/32
55%
17.5/32
52%
16.5/32
       
Tornado 8.0 64-bit282964%
21/33
56%
18/32
56%
18/32
       
Octochess r5506 64-bit281966%
19/29
53%
16/30
        
Rhetoric 1.4.3 64-bit280868%
20.5/30
53%
17/32
41%
13/32
       
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
Zurichess
Bern
64-bit
Zurichess
Appenzeller
64-bit
Zurichess
150116
Amoeba 2.3 64-bit2784 56%
18/32
45%
14.5/32
       
Fruit 2.3.1278183%
2.5/3
46%
11.5/25
        
Octochess r5190 64-bit2780 62%
18.5/30
39%
12/31
39%
12.5/32
      
The Baron 3.29 64-bit277275%
21/28
58%
18.5/32
53%
17/32
22%
7/32
      
Bright 0.5c2771100%
1/1
62%
20/32
66%
21/32
41%
13/32
      
Twisted Logic 20090922 64-bit2770 58%
18.5/32
52%
16.5/32
42%
13.5/32
      
Frenzee 3.5.19 64-bit276950%
0.5/1
  45%
14.5/32
      
Pawny 1.2 64-bit2766 42%
13/31
50%
15.5/31
44%
13.5/31
      
Jonny 4.002764100%
1/1
58%
18/31
52%
78.5/152
44%
13.5/31
      
BugChess2 1.9 64-bit27600%
0/1
  34%
11/32
      
Cheese 1.9 64-bit2731100%
1/1
 59%
19/32
       
Carballo 1.7 64-bit2718  56%
18/32
50%
0.5/1
      
Chessmaster 11 Paralyse2689100%
1/1
71%
20.5/29
        
Arminius 2017-01-01 64-bit2688  73%
23.5/32
55%
17/31
      
Delfi 5.4268350%
0.5/1
  0%
0/1
      
Phalanx XXV2656 100%
1/1
 0%
0/1
      
Rodin 8.02641 0%
0/1
 50%
0.5/1
      
Movei 00.8.438 (10 10 10)2622100%
1/1
  0%
0/1
      
Zarkov 6.552620100%
1/1
100%
1/1
  48%
9.5/20
     
Philou 3.7.1 64-bit2619   69%
21.5/31
52%
16.5/32
     
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
Zurichess
Bern
64-bit
Zurichess
Appenzeller
64-bit
Zurichess
150116
Sloppy 0.2.2 64-bit2616   73%
22.5/31
28%
9/32
     
Slow Chess Blitz WV2.126150%
0/1
100%
1/1
 61%
19.5/32
59%
19/32
     
Glass 2.0 64-bit2614   67%
21.5/32
38%
12/32
     
Jellyfish 1.1 64-bit2611   75%
24/32
45%
14.5/32
     
Rotor 0.82611   63%
19.5/31
56%
18/32
     
NoraGrace 2.0 64-bit2610   64%
20.5/32
42%
13.5/32
     
Amyan 1.72260450%
0.5/1
50%
0.5/1
 69%
22/32
33%
10.5/32
     
Pharaon 3.5.12603100%
1/1
100%
1/1
 78%
25/32
47%
15/32
     
GarboChess 2.10 64-bit2598   70%
22.5/32
50%
16/32
     
GreKo 2015 64-bit2586   62%
20/32
36%
11.5/32
     
Francesca MAD 0.192581   77%
24.5/32
52%
16/31
     
Hamsters 0.7.12579   80%
25.5/32
66%
21/32
     
Arminius 2015-08-06 64-bit2574   71%
22/31
59%
19/32
     
Maverick 1.5 64-bit2572   80%
25.5/32
 29%
9/31
38%
7.5/20
   
Ufim 8.022541    45%
14.5/32
42%
13/31
    
Fridolin 2.00 64-bit2538    67%
21.5/32
41%
13/32
    
AnMon 5.752537    53%
17/32
40%
11.5/29
    
DanaSah 4.882533    61%
19.5/32
47%
15/32
    
Hermann 2.8 64-bit2531    66%
21/32
44%
13.5/31
    
Green Light Chess 3.01.2.22505    56%
18/32
53%
17/32
27%
8.5/31
   
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
Zurichess
Bern
64-bit
Zurichess
Appenzeller
64-bit
Zurichess
150116
Little Goliath Evolution 3.122503    64%
20.5/32
52%
15.5/30
44%
13.5/31
   
Yace 0.99.872503    62%
20/32
42%
13/31
44%
14/32
   
Trace 1.37a2499    58%
18/31
53%
16/30
34%
11/32
   
Betsabe II 1.472470     55%
16/29
60%
18.5/31
   
Cerebro 3.03d2470     41%
13/32
44%
13.5/31
   
Dorky 4.3 64-bit2466     62%
20/32
56%
18/32
   
JikChess 0.01 64-bit2453    58%
18.5/32
 39%
12.5/32
   
LittleThought 1.052 64-bit2453     48%
15.5/32
42%
13.5/32
   
Counter 1.22446     69%
21.5/31
47%
15/32
   
Matacz 1.42445     52%
16.5/32
52%
16/31
   
Ares 1.005.2 64-bit2440     67%
21.5/32
45%
14/31
   
SpiderChess 0706032439     69%
18/26
52%
16.5/32
   
King of Kings 2.562432     76%
23.5/31
52%
16/31
   
LambChop 10.992432     52%
15.5/30
45%
14.5/32
   
Eeyore 1.52 64-bit2428     55%
17/31
50%
15/30
   
Gaia 3.5 64-bit2424     58%
18/31
34%
11/32
   
Nejmet 3.072423     66%
20.5/31
44%
14/32
   
Quark 2.352423     81%
25/31
61%
19/31
   
Anechka 0.082233100%
1/1
      50%
10/20
  
Micro-Max 4.81953       83%
12.5/15
24%
7.5/31
 
NameEloZurichess
Neuchatel
64-bit
Zurichess
Luzern
64-bit
Zurichess
Jura
64-bit
Zurichess
Graubuenden
64-bit
Zurichess
Glarus
64-bit
Zurichess
Geneva
64-bit
Zurichess
Fribourg
64-bit
Zurichess
Bern
64-bit
Zurichess
Appenzeller
64-bit
Zurichess
150116
JanWillem 1.131952       87%
13/15
18%
5.5/30
 
Rival 1.181952       81%
13/16
47%
15/32
 
Heracles 0.6.161924       87%
13/15
27%
8/30
 
Smash 1.0.31924       81%
10.5/13
30%
9.5/32
 
SamChess1921       96%
12.5/13
50%
16/32
 
IACH 0.56z1916       90%
13.5/15
42%
13/31
 
BamBam1912       81%
13/16
44%
13.5/31
 
Warrior 1.0.31908       86%
12/14
52%
16/31
 
Clueless 1.41900       83%
12.5/15
47%
14.5/31
 
SnailChess 4.0131892       87%
13/15
35%
10.5/30
 
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 10, 2021