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 12 engines!
12 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+
 KnightX 2.6 64-bit2592+102−10346.9%+24.025.0%32 
51.1%
1KnightX 2.61 64-bit2591+20−2053.3%−24.321.2%916
55.5%
 KnightX 2.5 64-bit2589+19−1951.0%−8.720.7%1075
100.0%
 KnightX 2.3 64-bit2495+18−1850.4%−2.924.1%1156
69.3%
 KnightX 1.98 64-bit2488+18−1856.7%−47.725.0%1088
99.3%
 KnightX 2.00 64-bit2443+32−3241.5%+62.420.1%359
59.6%
 KnightX 1.99 64-bit2437+29−3040.4%+70.421.6%416
100.0%
 KnightX 1.95 64-bit2375+20−2052.2%−16.119.2%916
50.2%
 KnightX 1.96 64-bit2375+26−2649.7%+2.323.9%535
100.0%
 KnightX 1.94 64-bit2321+20−1953.0%−21.722.7%954
62.2%
 KnightX 1.93 64-bit2316+19−1947.1%+22.318.5%1072
97.6%
 KnightX 1.922296+8−850.6%−6.622.5%7492
 

Results matrix

Custom engine selection
#NameElo123456789101112
1KnightX 2.6 64-bit2592            
2KnightX 2.61 64-bit2591            
3KnightX 2.5 64-bit2589            
4KnightX 2.3 64-bit2495            
5KnightX 1.98 64-bit2488            
6KnightX 2.00 64-bit2443            
7KnightX 1.99 64-bit2437            
8KnightX 1.95 64-bit2375            
9KnightX 1.96 64-bit2375            
10KnightX 1.94 64-bit2321            
11KnightX 1.93 64-bit2316            
12KnightX 1.922296            
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
#NameElo123456789101112
1KnightX 2.6 64-bit2592 51.152.596.697.499.799.8100.0100.0100.0100.0100.0
2KnightX 2.61 64-bit259148.9 55.5100.0100.0100.0100.0100.0100.0100.0100.0100.0
3KnightX 2.5 64-bit258947.544.5 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4KnightX 2.3 64-bit24953.40.00.0 69.399.899.9100.0100.0100.0100.0100.0
5KnightX 1.98 64-bit24882.60.00.030.7 99.399.8100.0100.0100.0100.0100.0
6KnightX 2.00 64-bit24430.30.00.00.20.7 59.6100.099.9100.0100.0100.0
7KnightX 1.99 64-bit24370.20.00.00.10.240.4 100.099.9100.0100.0100.0
8KnightX 1.95 64-bit23750.00.00.00.00.00.00.0 50.2100.0100.0100.0
9KnightX 1.96 64-bit23750.00.00.00.00.00.10.149.8 100.0100.0100.0
10KnightX 1.94 64-bit23210.00.00.00.00.00.00.00.00.0 62.299.0
11KnightX 1.93 64-bit23160.00.00.00.00.00.00.00.00.037.8 97.6
12KnightX 1.9222960.00.00.00.00.00.00.00.00.01.02.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1KnightX 2.6 64-bit2592 00000000000
2KnightX 2.61 64-bit25910 6975703191152550006168
3KnightX 2.5 64-bit25890697 10187645197020006276
4KnightX 2.3 64-bit249505701018 85663583000062146
5KnightX 1.98 64-bit24880319764856 519575529723070509
6KnightX 2.00 64-bit24430115519635519 636000015
7KnightX 1.99 64-bit24370255702830575636 000015
8KnightX 1.95 64-bit2375000052900 8136405451616
9KnightX 1.96 64-bit2375000072300813 03659
10KnightX 1.94 64-bit232100000006400 9601575
11KnightX 1.93 64-bit2316061626270005453960 1303
12KnightX 1.922296068761465091515161665915751303 
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
#NameElo123456789101112
1KnightX 2.6 64-bit2592 0.00.00.00.00.00.00.00.00.00.00.0
2KnightX 2.61 64-bit25910.0 35.027.515.99.019.10.00.00.03.10.8
3KnightX 2.5 64-bit25890.035.0 45.635.336.247.10.00.00.02.90.9
4KnightX 2.3 64-bit24950.027.545.6 38.141.952.80.00.00.02.81.7
5KnightX 1.98 64-bit24880.015.935.338.1 35.938.226.444.50.03.25.9
6KnightX 2.00 64-bit24430.09.036.241.935.9 82.10.00.00.00.00.2
7KnightX 1.99 64-bit24370.019.147.152.838.282.1 0.00.00.00.00.2
8KnightX 1.95 64-bit23750.00.00.00.026.40.00.0 56.034.227.419.2
9KnightX 1.96 64-bit23750.00.00.00.044.50.00.056.0 0.00.28.2
10KnightX 1.94 64-bit23210.00.00.00.00.00.00.034.20.0 47.418.6
11KnightX 1.93 64-bit23160.03.12.92.83.20.00.027.40.247.4 15.2
12KnightX 1.9222960.00.80.91.75.90.20.219.28.218.615.2 
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 89 common opponents

Custom engine selection
NameEloKnightX
2.6
64-bit
KnightX
2.61
64-bit
KnightX
2.5
64-bit
KnightX
2.3
64-bit
KnightX
1.98
64-bit
KnightX
2.00
64-bit
KnightX
1.99
64-bit
KnightX
1.95
64-bit
KnightX
1.96
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
NoraGrace 2.0 64-bit2610 48%
15/31
         50%
0.5/1
Nawito 2012 64-bit2603 55%
17/31
42%
13.5/32
         
N2 0.4 64-bit2592 42%
13/31
         0%
0/1
Ufim 8.022541 58%
18.5/32
47%
15/32
45%
13.5/30
41%
13/32
       
FrankWalter 2.4.0 64-bit2539 65%
20/31
52%
16.5/32
         
AnMon 5.752538 64%
20.5/32
65%
20/31
45%
14.5/32
34%
11/32
      28%
8.5/30
Magnum 4.0 64-bit2533 58%
18/31
53%
17/32
44%
14/32
  45%
14.5/32
     
Hermann 2.8 64-bit2532 48%
15.5/32
69%
22/32
38%
12/32
45%
14.5/32
       
Pupsi2 0.09 64-bit2532 60%
18.5/31
67%
21.5/32
39%
12.5/32
      23%
7/30
 
Jumbo 0.7.0 64-bit2526 64%
20.5/32
66%
21/32
32%
10/31
45%
14/31
 27%
8.5/32
     
Raven 1.10 64-bit2524 48%
15/31
42%
13.5/32
45%
14.5/32
        
JikChess 0.02 64-bit2522 58%
18.5/32
60%
18.5/31
52%
16.5/32
41%
13/32
32%
8/25
39%
12.5/32
     
Pepito 1.59.2 64-bit2521 67%
21.5/32
69%
22/32
50%
16/32
 42%
11/26
45%
14.5/32
     
Axolotl 1.9 64-bit2511  61%
19.5/32
41%
13/32
44%
14/32
28%
7/25
38%
12/32
     
Green Light Chess 3.01.2.22505  70%
22.5/32
44%
14/32
45%
14.5/32
38%
9.5/25
34%
11/32
     
Little Goliath Evolution 3.122503  70%
22.5/32
45%
14.5/32
56%
18/32
40%
10/25
39%
12.5/32
    0%
0/1
Yace 0.99.872503  78%
25/32
53%
17/32
36%
11.5/32
44%
12/27
48%
15.5/32
    50%
1/2
Trace 1.37a2500  73%
23.5/32
48%
15.5/32
52%
16.5/32
35%
9/26
48%
15.5/32
    0%
0/1
Magnum 4.0 32-bit2497    48%
15.5/32
40%
10.5/26
      
NoC 4.20 64-bit2497  58%
18.5/32
62%
20/32
 52%
14/27
42%
13.5/32
     
NameEloKnightX
2.6
64-bit
KnightX
2.61
64-bit
KnightX
2.5
64-bit
KnightX
2.3
64-bit
KnightX
1.98
64-bit
KnightX
2.00
64-bit
KnightX
1.99
64-bit
KnightX
1.95
64-bit
KnightX
1.96
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
CyberPagno 3.0 64-bit2496  65%
20/31
42%
13.5/32
52%
16.5/32
39%
10.5/27
42%
13.5/32
    0%
0/1
Bruja 1.9.1 64-bit2491   55%
17.5/32
69%
22/32
50%
12.5/25
39%
12.5/32
     
Tao 5.62488   53%
16.5/31
 48%
12.5/26
38%
12/32
     
BBChess 1.3b 64-bit2482   52%
16.5/32
       0%
0/1
Xpdnt 0910072469          0%
0/1
25%
7.5/30
LittleThought 1.052 64-bit2453   45%
14.5/32
       34%
10.5/31
Lozza 1.18 64-bit2441   56%
18/32
       50%
0.5/1
Delphil 3.2 64-bit2431          100%
1/1
0%
0/1
RomiChess P3n 64-bit2413          50%
0.5/1
0%
0/1
Simplex 0.9.8 64-bit2407    66%
20.5/31
      0%
0/1
Ifrit m1.8 64-bit2406    55%
17.5/32
     50%
0.5/1
48%
9.5/20
Ares GB 1.1 64-bit2405   69%
22/32
65%
39/60
       
TJchess 1.3 64-bit2399    58%
18.5/32
      0%
0/1
Taltos rev118 64-bit2396    72%
23/32
     27%
8.5/32
 
KnightDreamer 3.32394    59%
19/32
   52%
16.5/32
   
PostModernist 10162391    50%
16/32
  47%
15/32
53%
17/32
 0%
0/1
44%
14/32
Axolotl 1.8 64-bit2390       48%
15.5/32
  31%
10/32
 
Comet B502388    52%
16.5/32
  45%
14/31
56%
18/32
  36%
11.5/32
Googleplex Starthinker 1.6 64-bit2388    59%
19/32
   48%
15.5/32
   
Leila 0.53h2387    75%
24/32
  55%
17.5/32
44%
14/32
  42%
14/33
NameEloKnightX
2.6
64-bit
KnightX
2.61
64-bit
KnightX
2.5
64-bit
KnightX
2.3
64-bit
KnightX
1.98
64-bit
KnightX
2.00
64-bit
KnightX
1.99
64-bit
KnightX
1.95
64-bit
KnightX
1.96
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Amy 0.87b2385    64%
20.5/32
  47%
14.5/31
57%
17/30
  19%
6/31
Diablo 0.5.12384    61%
19.5/32
  52%
15.5/30
47%
15/32
  0%
0/1
Frenzee 1482384  81%
26/32
 70%
22.5/32
       
Capture R012382    72%
21.5/30
  52%
16.5/32
55%
17.5/32
   
Gosu 0.162381    53%
17/32
  47%
15/32
53%
17/32
  40%
31.5/78
Myrddin 0.87 64-bit2381    73%
23.5/32
  50%
15.5/31
44%
14/32
   
Barbarossa 0.5.0 64-bit2378    61%
19.5/32
   45%
14/31
   
Cmcchess 2.6 64-bit2376    88%
7/8
  61%
16.5/27
43%
12.5/29
  27%
3/11
Der Bringer 1.92374       53%
17/32
41%
12/29
  29%
10/35
Patzer 3.802373       42%
13/31
58%
18.5/32
  51%
18/35
Terra 3.42369       48%
15.5/32
53%
17/32
  35%
11.5/33
The Crazy Bishop 00522364       50%
16/32
48%
15.5/32
  34%
15.5/45
Homer 2.012356       36%
11.5/32
   40%
25.5/63
Amateur 2.822351       52%
16.5/32
   45%
34/75
Alex 2.14a 64-bit2348       55%
17.5/32
 52%
16.5/32
 38%
12/32
Popochin 4.1 64-bit2348       44%
14/32
 41%
13/32
 45%
25.5/57
Plisk 0.2.7d 64-bit2344       53%
17/32
 25%
8/32
50%
0.5/1
32%
9.5/30
Tigran 2.4n 64-bit2344       53%
17/32
 48%
15.5/32
  
Horizon 4.42343       55%
17.5/32
 34%
11/32
 43%
29/68
Queen 4.032336       58%
18.5/32
 56%
18/32
 48%
15.5/32
NameEloKnightX
2.6
64-bit
KnightX
2.61
64-bit
KnightX
2.5
64-bit
KnightX
2.3
64-bit
KnightX
1.98
64-bit
KnightX
2.00
64-bit
KnightX
1.99
64-bit
KnightX
1.95
64-bit
KnightX
1.96
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Arion 1.72333       56%
18/32
 53%
17/32
50%
16/32
52%
33.5/64
EveAnn 1.722328       61%
19.5/32
 62%
20/32
50%
16/32
33%
10.5/32
Sage 3.532325       61%
19.5/32
  47%
29.5/63
46%
31.5/68
Chezzz 1.0.32321       59%
19/32
 42%
13.5/32
54%
34/63
48%
15.5/32
Gibbon 2.69a 64-bit2321       55%
17.5/32
 50%
16/32
58%
18.5/32
100%
2/2
Mediocre 0.5 64-bit2318         42%
13.5/32
55%
35/64
35%
12/34
Absolute Zero 2.4.7.2 64-bit2317         48%
15.5/32
55%
35/64
61%
8.5/14
Barbarossa 0.4.0 64-bit2317       65%
20/31
  56%
35.5/63
42%
13.5/32
Aice 0.99.22316         52%
16/31
45%
28.5/64
40%
18.5/46
Isa 2.0.64 64-bit2314         64%
20.5/32
58%
36.5/63
100%
1/1
Sungorus 1.4 64-bit2310         36%
11.5/32
48%
30.5/64
50%
16/32
Asterisk 0.62307          42%
13.5/32
46%
29.5/64
Averno 0.812307          55%
32/58
28%
9.5/34
Waxman 20172306         48%
15.5/32
58%
18.5/32
49%
17/35
Joker 1.1.142302          44%
14/32
48%
14.5/30
Kingfisher 1.1.1 64-bit2298         48%
15/31
58%
18.5/32
50%
16/32
Tytan 9.32 64-bit2297          44%
14/32
39%
13.5/35
Thor's Hammer 2.29 64-bit2295          50%
0.5/1
50%
1/2
Googleplex Starthinker 1.4 64-bit2289         59%
19/32
58%
18.5/32
 
Fischerle 0.9.80 SE 64-bit2278         59%
19/32
 56%
9/16
NameEloKnightX
2.6
64-bit
KnightX
2.61
64-bit
KnightX
2.5
64-bit
KnightX
2.3
64-bit
KnightX
1.98
64-bit
KnightX
2.00
64-bit
KnightX
1.99
64-bit
KnightX
1.95
64-bit
KnightX
1.96
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Dumb 1.3 64-bit2270         69%
22/32
 52%
16.5/32
Esc 1.162267         59%
19/32
 61%
19.5/32
Rival 1.0.1 64-bit2265         55%
17/31
 45%
14.5/32
Butcher 1.61 64-bit2263         77%
24/31
 59%
19/32
Zeus 1.292261         58%
18.5/32
 58%
19/33
Natwarlal 0.142260         60%
18.5/31
 60%
39.5/66
Invictus r228 64-bit2256         61%
19/31
50%
0.5/1
 
Napoleon 1.8 64-bit2253         59%
19/32
 56%
18/32
Robocide 0.4 64-bit2248         59%
19/32
 61%
19.5/32
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 March 6, 2021