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 11 engines!
11 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 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+
 Embla 2.0.7 64-bit2378+240−22460.0%−52.040.0%5 
99.0%
1Embla 1.0.3 64-bit2114+14−1451.5%−12.023.1%2003
100.0%
 Embla 2.0.1 64-bit2064+18−1849.3%+7.523.2%1120
94.6%
 Embla 2.0.5 64-bit2044+16−1642.3%+58.820.2%1555
98.5%
 Embla 1.0.2 64-bit2011+26−2649.8%+1.626.8%522
93.1%
 Embla 1.0.1 64-bit1987+17−1748.8%+9.521.6%1259
99.9%
 Embla 2.0.0 64-bit 4CPU1927+32−3421.5%+221.219.6%419
73.7%
 Embla 0.9.9 64-bit1915+18−1949.3%+5.522.2%1074
100.0%
 Embla 0.9.5 64-bit1632+17−1745.3%+36.222.0%1241
100.0%
 Embla 0.9.2 64-bit1541+34−3539.3%+79.120.7%314
83.9%
 Embla 0.9.3 64-bit1518+29−3044.5%+36.319.8%439
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Embla 2.0.7 64-bit2378           
2Embla 1.0.3 64-bit2114           
3Embla 2.0.1 64-bit2064           
4Embla 2.0.5 64-bit2044           
5Embla 1.0.2 64-bit2011           
6Embla 1.0.1 64-bit1987           
7Embla 2.0.0 64-bit 4CPU1927           
8Embla 0.9.9 64-bit1915           
9Embla 0.9.5 64-bit1632           
10Embla 0.9.2 64-bit1541           
11Embla 0.9.3 64-bit1518           
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
#NameElo1234567891011
1Embla 2.0.7 64-bit2378 99.099.799.899.9100.0100.0100.0100.0100.0100.0
2Embla 1.0.3 64-bit21141.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Embla 2.0.1 64-bit20640.30.0 94.6100.0100.0100.0100.0100.0100.0100.0
4Embla 2.0.5 64-bit20440.20.05.4 98.5100.0100.0100.0100.0100.0100.0
5Embla 1.0.2 64-bit20110.10.00.01.5 93.1100.0100.0100.0100.0100.0
6Embla 1.0.1 64-bit19870.00.00.00.06.9 99.9100.0100.0100.0100.0
7Embla 2.0.0 64-bit 4CPU19270.00.00.00.00.00.1 73.7100.0100.0100.0
8Embla 0.9.9 64-bit19150.00.00.00.00.00.026.3 100.0100.0100.0
9Embla 0.9.5 64-bit16320.00.00.00.00.00.00.00.0 100.0100.0
10Embla 0.9.2 64-bit15410.00.00.00.00.00.00.00.00.0 83.9
11Embla 0.9.3 64-bit15180.00.00.00.00.00.00.00.00.016.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Embla 2.0.7 64-bit2378 0000000000
2Embla 1.0.3 64-bit21140 92011131857242539900
3Embla 2.0.1 64-bit20640920 240706970360000
4Embla 2.0.5 64-bit204401113240 932785210000
5Embla 1.0.2 64-bit201101857093 5350191630
6Embla 1.0.1 64-bit19870724697278535 0495300
7Embla 2.0.0 64-bit 4CPU19270253052100 0000
8Embla 0.9.9 64-bit19150936001914950 12700
9Embla 0.9.5 64-bit16320900630127 473708
10Embla 0.9.2 64-bit154100003000473 243
11Embla 0.9.3 64-bit151800000000708243 
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
#NameElo1234567891011
1Embla 2.0.7 64-bit2378 0.00.00.00.00.00.00.00.00.00.0
2Embla 1.0.3 64-bit21140.0 29.531.37.322.210.40.30.30.00.0
3Embla 2.0.1 64-bit20640.029.5 9.04.329.30.016.40.00.00.0
4Embla 2.0.5 64-bit20440.031.39.0 4.59.926.40.00.00.00.0
5Embla 1.0.2 64-bit20110.07.34.34.5 30.00.012.00.30.40.0
6Embla 1.0.1 64-bit19870.022.229.39.930.0 0.021.20.10.00.0
7Embla 2.0.0 64-bit 4CPU19270.010.40.026.40.00.0 0.00.00.00.0
8Embla 0.9.9 64-bit19150.00.316.40.012.021.20.0 5.50.00.0
9Embla 0.9.5 64-bit16320.00.30.00.00.30.10.05.5 30.442.1
10Embla 0.9.2 64-bit15410.00.00.00.00.40.00.00.030.4 32.3
11Embla 0.9.3 64-bit15180.00.00.00.00.00.00.00.042.132.3 
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
NameEloEmbla
2.0.7
64-bit
Embla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Googleplex Starthinker 1.4 64-bit2288 31%
10/32
39%
15.5/40
        
Weini 0.0.24 64-bit2198 0%
0/1
35%
14/40
        
Kurt 0.9.2.2 64-bit2161   31%
26/83
  15%
9/60
    
NagaSkaki 5.122154   38%
31.5/83
0%
0/1
      
Sunsetter 10.3 64-bit2144 55%
17.5/32
 40%
19/48
       
Alarm 0.93.12142 60%
18.5/31
 42%
34/81
       
Lime 662142 33%
11/33
 45%
35.5/79
  27%
16/60
    
Genesis 2.01b2138   44%
15.5/35
  28%
16.5/60
    
Fortress 1.622136 53%
17/32
 38%
32/85
       
Tiny Chess 1.46 64-bit2135   34%
28.5/84
  25%
15/60
    
Nesik 0.7.0 alpha2132 51%
42/82
 38%
18/48
       
WJChess 1.642129 52%
42.5/82
 36%
17/47
       
Hedgehog 1.9 64-bit2121 52%
22/42
50%
20/40
        
Prophet3 20180811 64-bit2120 55%
17.5/32
49%
19.5/40
        
Alf 1.09 64-bit2109 50%
41/82
 50%
24/48
       
GK 0.90 64-bit2109 53%
26.5/50
 49%
56/115
       
BikJump 2.01 64-bit2102 48%
47.5/100
41%
16.5/40
        
Clarabit 1.00 64-bit2095 44%
44.5/100
    27%
16/60
    
Gunborg 1.35 64-bit2072  46%
18.5/40
42%
45/107
       
Abbess 2018.02.072070 52%
16.5/32
45%
18/40
46%
48/105
 47%
15/32
     
NameEloEmbla
2.0.7
64-bit
Embla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Cinnamon 2.2a 64-bit2069 61%
19.5/32
46%
18.5/40
        
Alcibiades 0.3.0 64-bit2059 53%
26/49
   48%
15.5/32
     
Monarch 1.72058 58%
29/50
60%
24/40
  44%
14/32
     
Matheus 2.32057 59%
29.5/50
 52%
31/60
 34%
11/32
     
ChessMind 0.822056 47%
23.5/50
   39%
12.5/32
     
Smash 1.0.3a 64-bit2056  36%
14.5/40
  38%
12/32
 17%
5.5/32
   
Small Potato 0.7.0 64-bit2055 53%
17.5/33
49%
19.5/40
        
RDChess 3.232047   40%
24/60
43%
13/30
      
Gerbil 0.2 64-bit2043    57%
17/30
39%
12.5/32
     
Vice 1.0 64-bit2043 54%
26.5/49
50%
20/40
  34%
11/32
     
Topple 0.0.3 64-bit2041 70%
35/50
  40%
19.5/49
34%
11/32
     
Detroid 0.9.0 64-bit2039 56%
22.5/40
40%
16/40
        
Jabba 1.0 64-bit2036 55%
27/49
48%
19/40
  42%
13.5/32
     
Cinnamon 2.0 64-bit2021 53%
26/49
  48%
14.5/30
41%
13/32
     
Bestia 0.902018    63%
19/30
47%
14.5/31
     
Cupcake 1.1a 64-bit2013  54%
21.5/40
  43%
3/7
     
Oberon 0.042009    47%
14/30
54%
13.5/25
     
Leonidas 8.3 64-bit2006    48%
14.5/30
55%
31/56
     
Plywood 1.7.31994 100%
1/1
  0%
0/1
      
Gullydeckel 2.16pl11992    47%
14/30
63%
19/30
 30%
9.5/32
   
NameEloEmbla
2.0.7
64-bit
Embla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Armageddon 2.3081985 50%
0.5/1
  50%
14.5/29
  38%
12/32
   
BigLion 2.23x1985  60%
24/40
 48%
14.5/30
  30%
9.5/32
   
Faile 1.4.41979  64%
25.5/40
  44%
14/32
 62%
20/32
   
Snowy 0.2 64-bit1977 100%
1/1
70%
28/40
        
Hedgehog 1.8041968    48%
14.5/30
45%
14.5/32
     
La Dame Blanche 2.0c1968  52%
21/40
  55%
16/29
     
Sissa 2.01963  59%
23.5/40
  57%
17/30
     
ALChess 1.841962 100%
1/1
     39%
11/28
   
BSC 3.91959 0%
0/1
   100%
1/1
     
Cilian 4.141955    0%
0/1
  64%
20.5/32
   
Eia 0.31955 50%
0.5/1
   48%
19.5/41
     
Zevra 1.6.1 r512 64-bit1952     56%
18/32
 43%
13/30
   
Etude 0.1.21951     38%
12/32
 100%
6/6
   
JanWillem 1.131951     70%
21/30
 66%
21/32
   
Heracles 0.6.161924 100%
1/1
71%
28.5/40
  63%
39/62
 38%
12/32
   
Smash 1.0.31923   51%
30.5/60
 67%
20/30
     
SamChess1921     66%
20.5/31
 38%
12/32
   
Warrior 1.0.31908  75%
30/40
  50%
0.5/1
 56%
18/32
   
Roce 0.03901852    50%
0.5/1
50%
0.5/1
 56%
18/32
   
Predateur 2.2.1 32-bit1825    100%
1/1
100%
1/1
     
NameEloEmbla
2.0.7
64-bit
Embla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Sayuri 2016.09.12 64-bit1808       81%
25/31
11%
3.5/32
  
Pigeon 1.5.1 64-bit1797     0%
0/1
  34%
11/32
  
Beaches 2.321796       72%
23/32
19%
6/32
  
Enigma 1.1.41791    0%
0/1
   34%
11/32
15%
1.5/10
 
Laurifer 1.01771    100%
1/1
100%
1/1
     
Elf 1.3.01740 100%
1/1
      50%
14/28
  
Adamant 1.71732 100%
1/1
      42%
13.5/32
  
Zoidberg 0.11718 100%
1/1
  100%
1/1
   16%
6.5/41
  
Mizar 3.01682        45%
18.5/41
20%
4/20
 
Belzebub 0.671662        47%
34.5/73
50%
10/20
55%
16/29
Pooky 2.71653        51%
21/41
35%
7/20
 
DChess 1.0.21652        35%
14.5/41
35%
7/20
 
Simon 1.2 64-bit1646        50%
21/42
45%
9/20
 
IQ23.0031640        47%
33.5/71
 34%
11/32
ChessRikus 1.4661627        58%
42/73
 29%
9/31
Storm 0.61627        47%
13.5/29
41%
7/17
20%
6.5/32
Rainman 0.7.51602        45%
13.5/30
36%
6.5/18
40%
10/25
Zotron 4.4.61592        55%
17.5/32
 39%
12.5/32
Needle 0.5311579        67%
20/30
29%
5.5/19
44%
13.5/31
Pigeon 1.37 64-bit1539         52%
10.5/20
38%
12/32
NameEloEmbla
2.0.7
64-bit
Embla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Piranha 0.51498        72%
23/32
 33%
10.5/32
Blikskottel 0.81458        82%
25.5/31
 58%
18.5/32
Numpty Recharged 64-bit1458        81%
26/32
 64%
20.5/32
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 9, 2021