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 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 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+
1Defenchess 2.2 64-bit 4CPU3354+11−1148.1%+16.451.7%2587 
100.0%
 Defenchess 2.1 64-bit 4CPU3287+19−1944.6%+38.344.0%941
59.3%
 Defenchess 2.3 64-bit3284+13−1340.2%+77.746.7%1971
97.1%
 Defenchess 2.2 64-bit3267+12−1246.4%+23.153.1%2207
100.0%
 Defenchess 2.1 64-bit3222+16−1650.6%−0.943.0%1243
90.2%
 Defenchess 2.0 64-bit3193+41−4064.6%−90.344.1%188
100.0%
 Defenchess 1.1f 64-bit 4CPU3118+14−1447.0%+20.141.6%1701
100.0%
 Defenchess 1.1f 64-bit3047+11−1150.9%−15.540.3%3036
85.3%
 Defenchess 1.1e 64-bit3036+17−1769.6%−145.227.8%1361
100.0%
 Defenchess 1.0 64-bit2844+18−1851.3%−9.637.9%1056
 

Results matrix

Custom engine selection
#NameElo12345678910
1Defenchess 2.2 64-bit 4CPU3354          
2Defenchess 2.1 64-bit 4CPU3287          
3Defenchess 2.3 64-bit3284          
4Defenchess 2.2 64-bit3267          
5Defenchess 2.1 64-bit3222          
6Defenchess 2.0 64-bit3193          
7Defenchess 1.1f 64-bit 4CPU3118          
8Defenchess 1.1f 64-bit3047          
9Defenchess 1.1e 64-bit3036          
10Defenchess 1.0 64-bit2844          
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
1Defenchess 2.2 64-bit 4CPU3354 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Defenchess 2.1 64-bit 4CPU32870.0 59.395.6100.0100.0100.0100.0100.0100.0
3Defenchess 2.3 64-bit32840.040.7 97.1100.0100.0100.0100.0100.0100.0
4Defenchess 2.2 64-bit32670.04.42.9 100.0100.0100.0100.0100.0100.0
5Defenchess 2.1 64-bit32220.00.00.00.0 90.2100.0100.0100.0100.0
6Defenchess 2.0 64-bit31930.00.00.00.09.8 100.0100.0100.0100.0
7Defenchess 1.1f 64-bit 4CPU31180.00.00.00.00.00.0 100.0100.0100.0
8Defenchess 1.1f 64-bit30470.00.00.00.00.00.00.0 85.3100.0
9Defenchess 1.1e 64-bit30360.00.00.00.00.00.00.014.7 100.0
10Defenchess 1.0 64-bit28440.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Defenchess 2.2 64-bit 4CPU3354 133000089000
2Defenchess 2.1 64-bit 4CPU3287133 00004988200
3Defenchess 2.3 64-bit328400 11222870011500
4Defenchess 2.2 64-bit3267001122 7620012700
5Defenchess 2.1 64-bit322200287762 56409043090
6Defenchess 2.0 64-bit31930000564 03931770
7Defenchess 1.1f 64-bit 4CPU3118894980000 000
8Defenchess 1.1f 64-bit30470821151279043930 26321
9Defenchess 1.1e 64-bit303600003091770263 1273
10Defenchess 1.0 64-bit28440000000211273 
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
1Defenchess 2.2 64-bit 4CPU3354 3.80.00.00.00.02.10.00.00.0
2Defenchess 2.1 64-bit 4CPU32873.8 0.00.00.00.018.82.10.00.0
3Defenchess 2.3 64-bit32840.00.0 26.98.90.00.02.30.00.0
4Defenchess 2.2 64-bit32670.00.026.9 22.10.00.02.40.00.0
5Defenchess 2.1 64-bit32220.00.08.922.1 39.40.021.111.90.0
6Defenchess 2.0 64-bit31930.00.00.00.039.4 0.012.211.40.0
7Defenchess 1.1f 64-bit 4CPU31182.118.80.00.00.00.0 0.00.00.0
8Defenchess 1.1f 64-bit30470.02.12.32.421.112.20.0 6.00.5
9Defenchess 1.1e 64-bit30360.00.00.00.011.911.40.06.0 52.7
10Defenchess 1.0 64-bit28440.00.00.00.00.00.00.00.552.7 
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 64 common opponents

Custom engine selection
NameEloDefenchess
2.2
64-bit
4CPU
Defenchess
2.1
64-bit
4CPU
Defenchess
2.3
64-bit
Defenchess
2.2
64-bit
Defenchess
2.1
64-bit
Defenchess
2.0
64-bit
Defenchess
1.1f
64-bit
4CPU
Defenchess
1.1f
64-bit
Defenchess
1.1e
64-bit
Defenchess
1.0
64-bit
Houdini 6 64-bit3443    18%
8/44
  0%
0/2
  
Fizbo 2 64-bit 4CPU3342 42%
32/76
    19%
6/32
   
Andscacs 0.95 64-bit 4CPU333559%
34/58
47%
35.5/75
        
Fire 7.1 64-bit3333   37%
23.5/64
23%
7/31
  50%
0.5/1
  
Ethereal 11.50 64-bit3321   38%
24.5/64
19%
6/32
  50%
0.5/1
  
RofChade 2.3 64-bit3307  44%
28/64
50%
32/64
      
Xiphos 0.5 64-bit3304   48%
30.5/64
42%
13/31
  0%
0/1
  
Booot 6.4 64-bit3294  49%
31.5/64
48%
31/64
      
Igel 2.7.0 64-bit3286  52%
33.5/64
35%
17.5/50
      
Schooner 2.2 64-bit3273  52%
33.5/64
47%
23/49
      
Laser 1.7 64-bit3272  57%
36.5/64
43%
27.5/64
45%
14.5/32
     
Fritz 17 64-bit3269  49%
31.5/64
46%
29.5/64
      
Shredder 13 64-bit3269  52%
32.5/63
55%
35.5/64
44%
14/32
     
Booot 6.3.1 64-bit3254   53%
34/64
42%
13.5/32
  0%
0/1
  
RubiChess 1.8 64-bit3253  57%
36.5/64
59%
38/64
      
Fizbo 2 64-bit3247  57%
36.5/64
57%
36.5/64
42%
13.5/32
  25%
13/51
  
Chiron 4 64-bit 4CPU324275%
42.5/57
     38%
12/32
   
Andscacs 0.95 64-bit3229   52%
33/64
48%
15.5/32
     
NirvanaChess 2.4 64-bit 4CPU3221 63%
19/30
    25%
8/32
   
Texel 1.07 64-bit 4CPU3192 57%
17/30
    38%
12/32
   
NameEloDefenchess
2.2
64-bit
4CPU
Defenchess
2.1
64-bit
4CPU
Defenchess
2.3
64-bit
Defenchess
2.2
64-bit
Defenchess
2.1
64-bit
Defenchess
2.0
64-bit
Defenchess
1.1f
64-bit
4CPU
Defenchess
1.1f
64-bit
Defenchess
1.1e
64-bit
Defenchess
1.0
64-bit
Nemorino 5.00 64-bit 4CPU3179 57%
17/30
     38%
20/52
  
Senpai 2.0 64-bit 4CPU3176 72%
21.5/30
    44%
17.5/40
   
Chiron 4 64-bit3163    62%
20/32
  36%
11.5/32
  
Wasp 3.60 64-bit 4CPU3155 75%
22.5/30
    49%
36.5/75
   
RubiChess 1.4 64-bit 4CPU3135 75%
22.5/30
    54%
14/26
   
Pedone 1.9 64-bit3133    69%
21.5/31
67%
8/12
    
Arasan 21.3 64-bit3132    69%
22/32
75%
7.5/10
    
NirvanaChess 2.4 64-bit3131    68%
20.5/30
68%
7.5/11
 32%
10/31
14%
3.5/25
 
Protector 1.9.0 64-bit 4CPU3129 75%
22.5/30
    38%
12/32
   
Vajolet2 2.7 64-bit3127    69%
22/32
46%
5.5/12
 36%
16/44
  
RubiChess 1.5 64-bit3126    62%
20/32
54%
6.5/12
 48%
15/31
  
Nemorino 5.00 64-bit3115    64%
20.5/32
67%
8/12
 40%
44.5/111
  
Texel 1.07 64-bit3113    64%
20.5/32
83%
10/12
 42%
13.5/32
39%
12.5/32
 
Hannibal 1.7 64-bit3110    80%
25.5/32
71%
8.5/12
 31%
9.5/31
39%
12.5/32
 
Rybka 4.1 64-bit3110    67%
21.5/32
54%
6.5/12
 50%
15.5/31
  
Demolito 2019-05-05 64-bit3092    67%
21.5/32
58%
7/12
 48%
15.5/32
  
Protector 1.9.0 64-bit3087    77%
24/31
42%
5/12
  42%
13.5/32
 
Senpai 2.0 64-bit3085    66%
20.5/31
54%
6.5/12
    
chess22k 1.12 64-bit3080    81%
25/31
67%
8/12
 39%
13/33
  
iCE 3.0 64-bit3080    77%
24/31
75%
9/12
 53%
16/30
52%
16.5/32
 
NameEloDefenchess
2.2
64-bit
4CPU
Defenchess
2.1
64-bit
4CPU
Defenchess
2.3
64-bit
Defenchess
2.2
64-bit
Defenchess
2.1
64-bit
Defenchess
2.0
64-bit
Defenchess
1.1f
64-bit
4CPU
Defenchess
1.1f
64-bit
Defenchess
1.1e
64-bit
Defenchess
1.0
64-bit
Wasp 3.60 64-bit3079    66%
21/32
73%
8/11
    
ChessBrainVB 3.723049    72%
23/32
83%
10/12
 48%
15.5/32
  
Deep Sjeng c't 20102925       100%
1/1
64%
20.5/32
 
Spike 1.4 Leiden2919       25%
0.5/2
70%
45/64
 
Amoeba 2.6 64-bit2912        74%
47.5/64
41%
11/27
Demolito 2017-08-26 64-bit2911        61%
19.5/32
41%
13/32
Rodent III 0.172 64-bit2908        58%
18.5/32
39%
12/31
Quazar 0.4 64-bit2900       75%
1.5/2
70%
44.5/64
41%
23.5/58
Deep Junior Yokohama 64-bit2897        64%
20.5/32
48%
15.5/32
Deuterium 14.3.34.130 64-bit2883        75%
24/32
43%
13/30
Murka 3 64-bit2882        70%
45/64
48%
15/31
Atlas 3.80 64-bit2874        69%
43.5/63
50%
16/32
Gaviota 1.0 64-bit2871        83%
52/63
31%
9.5/31
MinkoChess 1.3 64-bit2869        69%
22/32
46%
26/57
DisasterArea 1.65 64-bit2868       100%
1/1
69%
22/32
44%
14/32
Nemo 1.0.1 64-bit2857        71%
45.5/64
53%
16.5/31
Zappa Mexico II 64-bit2846        72%
23/32
44%
11.5/26
Zurichess Luzern 64-bit2844        69%
22/32
50%
13/26
Onno 1.2.70 64-bit2841        73%
23.5/32
62%
16/26
Tornado 8.0 64-bit2828        83%
26.5/32
42%
11/26
NameEloDefenchess
2.2
64-bit
4CPU
Defenchess
2.1
64-bit
4CPU
Defenchess
2.3
64-bit
Defenchess
2.2
64-bit
Defenchess
2.1
64-bit
Defenchess
2.0
64-bit
Defenchess
1.1f
64-bit
4CPU
Defenchess
1.1f
64-bit
Defenchess
1.1e
64-bit
Defenchess
1.0
64-bit
Rhetoric 1.4.3 64-bit2807       100%
1/1
 55%
28.5/52
Frenzee 3.5.19 64-bit2768       100%
1/1
 52%
13.5/26
Pawny 1.2 64-bit2766       75%
1.5/2
 55%
28.5/52
Jonny 4.002763        78%
25/32
56%
14.5/26
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