CCRL Blitz
Downloads and Statistics
May 9, 2021
Testing summary:
Total: 2'520'531 games
played by 3'005 programs

White wins: 968'591 (38.4%)
Black wins: 775'557 (30.8%)
Draws: 776'383 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 8 engines!
8 selected engines played 42 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 9, 2021 with Bayeselo based on 2'520'531 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+
1Hedgehog 1.813 64-bit2140+35−3456.3%−49.316.5%316 
77.3%
 Hedgehog 1.814 64-bit2126+18−1849.6%+2.017.2%1214
65.3%
 Hedgehog 1.9 64-bit2121+17−1751.8%−14.518.5%1434
69.2%
 Hedgehog 1.82 64-bit2112+29−3045.6%+35.718.0%434
100.0%
 Hedgehog 1.8082034+34−3456.5%−49.617.8%321
99.2%
 Hedgehog 1.8061971+38−3846.5%+25.119.5%256
57.1%
 Hedgehog 1.8041968+18−1842.8%+54.017.7%1144
69.3%
 Hedgehog 1.8021958+33−3438.7%+88.618.8%345
 

Results matrix

Custom engine selection
#NameElo12345678
1Hedgehog 1.813 64-bit2140        
2Hedgehog 1.814 64-bit2126        
3Hedgehog 1.9 64-bit2121   24.5 − 17.5
+19−12=11
+52
    
4Hedgehog 1.82 64-bit2112  17.5 − 24.5
+12−19=11
−52
     
5Hedgehog 1.8082034        
6Hedgehog 1.8061971        
7Hedgehog 1.8041968        
8Hedgehog 1.8021958        
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
1Hedgehog 1.813 64-bit2140 77.384.288.7100.0100.0100.0100.0
2Hedgehog 1.814 64-bit212622.7 65.377.6100.0100.0100.0100.0
3Hedgehog 1.9 64-bit212115.834.7 69.2100.0100.0100.0100.0
4Hedgehog 1.82 64-bit211211.322.430.8 100.0100.0100.0100.0
5Hedgehog 1.80820340.00.00.00.0 99.2100.099.9
6Hedgehog 1.80619710.00.00.00.00.8 57.170.2
7Hedgehog 1.80419680.00.00.00.00.042.9 69.3
8Hedgehog 1.80219580.00.00.00.00.129.830.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Hedgehog 1.813 64-bit2140 141671700142201
2Hedgehog 1.814 64-bit2126141 29231133559236
3Hedgehog 1.9 64-bit21216292 248149122723
4Hedgehog 1.82 64-bit211271311248 60963
5Hedgehog 1.80820347031496 2093610
6Hedgehog 1.806197103120209 1230
7Hedgehog 1.80419681425592729361123 344
8Hedgehog 1.802195820123636300344 
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
1Hedgehog 1.813 64-bit2140 9.20.39.511.00.09.730.4
2Hedgehog 1.814 64-bit21269.2 11.018.90.20.223.715.1
3Hedgehog 1.9 64-bit21210.311.0 13.38.50.710.60.2
4Hedgehog 1.82 64-bit21129.518.913.3 0.80.00.68.1
5Hedgehog 1.808203411.00.28.50.8 36.224.60.0
6Hedgehog 1.80619710.00.20.70.036.2 8.80.0
7Hedgehog 1.80419689.723.710.60.624.68.8 23.1
8Hedgehog 1.802195830.415.10.28.10.00.023.1 
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 44 common opponents

Custom engine selection
NameEloHedgehog
1.813
64-bit
Hedgehog
1.814
64-bit
Hedgehog
1.9
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.808
Hedgehog
1.806
Hedgehog
1.804
Hedgehog
1.802
Amundsen 0.802327  18%
7.5/42
23%
9.5/42
    
NG-Play 9.87 64-bit2193 55%
17.5/32
39%
15.5/40
     
Madeleine 0.22182 45%
14.5/32
52%
21/40
     
Blitzkrieg rev337 64-bit2161 45%
13.5/30
 37%
11/30
    
NagaSkaki 5.122154 38%
12/32
41%
16.5/40
44%
13.5/31
    
Chesley r323 64-bit2147   38%
11.5/30
   32%
9.5/30
Sunsetter 10.3 64-bit2144 50%
16/32
 59%
17/29
    
Alarm 0.93.1214251%
20.5/40
45%
13.5/30
 48%
15/31
    
Lime 662142 48%
15.5/32
 52%
16/31
    
Fortress 1.622136 40%
12.5/31
     25%
7.5/30
WJChess 1.64212945%
18/40
58%
18/31
     25%
7.5/30
Prophet3 20170909 64-bit2124 45%
14.5/32
    28%
8/29
 
Embla 1.0.3 64-bit2114 47%
14.5/31
48%
20/42
     
Alf 1.09 64-bit2109 38%
11.5/30
    38%
10.5/28
33%
10/30
GK 0.90 64-bit2109      25%
7.5/30
30%
9/30
BikJump 2.01 64-bit2102 48%
14.5/30
    32%
9.5/30
 
Gunborg 1.35 64-bit207265%
26/40
     32%
9.5/30
37%
8.5/23
Abbess 2018.02.072070 60%
18.5/31
    28%
9/32
 
AdroitChess 0.4206955%
21/38
      23%
7/30
Monarch 1.72058 75%
24/32
 50%
0.5/1
  52%
16.5/32
 
NameEloHedgehog
1.813
64-bit
Hedgehog
1.814
64-bit
Hedgehog
1.9
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.808
Hedgehog
1.806
Hedgehog
1.804
Hedgehog
1.802
Matheus 2.32057 62%
20/32
    40%
12.5/31
36%
8/22
ChessMind 0.822056 42%
13/31
    55%
17.5/32
 
Gerbil 0.2 64-bit2043 68%
21/31
    48%
15.5/32
 
Vice 1.0 64-bit2043 64%
20.5/32
100%
1/1
   34%
11/32
 
Ax 0.8204159%
23.5/40
 0%
0/1
     
Jabba 1.0 64-bit2036  57%
24/42
   36%
11.5/32
 
Bestia 0.90201874%
29.5/40
 100%
1/1
 62%
18.5/30
 45%
14.5/32
 
Embla 1.0.2 64-bit2011   50%
0.5/1
43%
13/30
 52%
15.5/30
 
Oberon 0.042009  50%
1/2
  40%
12.5/31
32%
9.5/30
 
Requiem 0.532007     48%
16/33
40%
11.5/29
 
Leonidas 8.3 64-bit2006  100%
1/1
 60%
17.5/29
54%
21.5/40
  
Gullydeckel 2.16pl11992  100%
1/1
   36%
11.5/32
 
Bubble 1.51986    58%
17.5/30
50%
21.5/43
  
Armageddon 2.3081985    72%
21/29
 55%
34/62
 
BigLion 2.23x1985  68%
28.5/42
 37%
11/30
 60%
37.5/62
 
Elephant 1.061980  100%
1/1
   53%
16/30
48%
14.5/30
Faile 1.4.41979  82%
33.5/41
100%
1/1
70%
21/30
 42%
13.5/32
 
Arabian Knight 1.55 64-bit1978  100%
1/1
  44%
14/32
  
Snowy 0.2 64-bit1977 100%
1/1
  53%
15.5/29
46%
17.5/38
  
Eia 0.31955      48%
14.5/30
65%
19.5/30
NameEloHedgehog
1.813
64-bit
Hedgehog
1.814
64-bit
Hedgehog
1.9
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.808
Hedgehog
1.806
Hedgehog
1.804
Hedgehog
1.802
Dabbaba 7.491907  73%
30.5/42
100%
1/1
    
MatMoi 7.15.0-cct 64-bit1892  50%
0.5/1
   71%
22/31
 
MrChess 2.11887  100%
2/2
0%
0/1
    
HeavyChess 0.13 beta1837   100%
1/1
   65%
19.5/30
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 May 9, 2021