CCRL Blitz
Downloads and Statistics
July 11, 2020
Testing summary:
Total: 2'325'533 games
played by 2'738 programs

White wins: 896'067 (38.5%)
Black wins: 720'738 (31.0%)
Draws: 708'728 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 10 engines!
10 selected engines played 5 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 July 11, 2020 with Bayeselo based on 2'325'533 games

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+
1Gaviota 1.0 64-bit 4CPU2978+13−1347.4%+17.038.0%2105 
100.0%
 Gaviota 1.0 64-bit2872+8−848.7%+8.732.0%6415
100.0%
 Gaviota 0.86 64-bit2799+10−1049.5%+3.128.6%3619
100.0%
 Gaviota 0.85.1 64-bit2727+12−1255.0%−34.325.3%2821
100.0%
 Gaviota 0.84 64-bit2686+12−1253.2%−22.725.2%2639
59.4%
 Gaviota 0.85.1 32-bit2684+19−1938.5%+80.326.9%998
85.8%
 Gaviota 0.83 64-bit 4CPU2669+19−1962.2%−90.824.9%1019
100.0%
 Gaviota 0.83 64-bit2595+17−1753.8%−28.026.3%1235
100.0%
 Gaviota 0.80 64-bit2533+14−1453.9%−27.926.3%1873
100.0%
 Gaviota 0.75.7 64-bit2433+16−1646.0%+29.822.0%1404
 

Results matrix

Custom engine selection
#NameElo12345678910
1Gaviota 1.0 64-bit 4CPU2978          
2Gaviota 1.0 64-bit2872          
3Gaviota 0.86 64-bit2799          
4Gaviota 0.85.1 64-bit2727          
5Gaviota 0.84 64-bit2686       4 − 1
+3−0=2
+100
  
6Gaviota 0.85.1 32-bit2684          
7Gaviota 0.83 64-bit 4CPU2669          
8Gaviota 0.83 64-bit2595    1 − 4
+0−3=2
−100
     
9Gaviota 0.80 64-bit2533          
10Gaviota 0.75.7 64-bit2433          
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
1Gaviota 1.0 64-bit 4CPU2978 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Gaviota 1.0 64-bit28720.0 100.0100.0100.0100.0100.0100.0100.0100.0
3Gaviota 0.86 64-bit27990.00.0 100.0100.0100.0100.0100.0100.0100.0
4Gaviota 0.85.1 64-bit27270.00.00.0 100.0100.0100.0100.0100.0100.0
5Gaviota 0.84 64-bit26860.00.00.00.0 59.493.6100.0100.0100.0
6Gaviota 0.85.1 32-bit26840.00.00.00.040.6 85.8100.0100.0100.0
7Gaviota 0.83 64-bit 4CPU26690.00.00.00.06.414.2 100.0100.0100.0
8Gaviota 0.83 64-bit25950.00.00.00.00.00.00.0 100.0100.0
9Gaviota 0.80 64-bit25330.00.00.00.00.00.00.00.0 100.0
10Gaviota 0.75.7 64-bit24330.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Gaviota 1.0 64-bit 4CPU2978 345393300064000
2Gaviota 1.0 64-bit2872345 215287171062839392115
3Gaviota 0.86 64-bit27993932152 19921346119316317800
4Gaviota 0.85.1 64-bit2727308711992 357086112101383929372
5Gaviota 0.84 64-bit2686071013463570 864144020071189570
6Gaviota 0.85.1 32-bit268406281193861864 0000
7Gaviota 0.83 64-bit 4CPU26696439163121014400 199015471050
8Gaviota 0.83 64-bit25950391781383200701990 16411054
9Gaviota 0.80 64-bit253302109291189015471641 1914
10Gaviota 0.75.7 64-bit243301503725700105010541914 
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
1Gaviota 1.0 64-bit 4CPU2978 4.06.90.60.00.02.00.00.00.0
2Gaviota 1.0 64-bit28724.0 21.49.47.88.50.50.50.30.2
3Gaviota 0.86 64-bit27996.921.4 30.921.525.83.53.70.00.0
4Gaviota 0.85.1 64-bit27270.69.430.9 65.422.531.534.119.88.8
5Gaviota 0.84 64-bit26860.07.821.565.4 23.839.451.826.414.1
6Gaviota 0.85.1 32-bit26840.08.525.822.523.8 0.00.00.00.0
7Gaviota 0.83 64-bit 4CPU26692.00.53.531.539.40.0 88.353.543.3
8Gaviota 0.83 64-bit25950.00.53.734.151.80.088.3 52.839.9
9Gaviota 0.80 64-bit25330.00.30.019.826.40.053.552.8 58.4
10Gaviota 0.75.7 64-bit24330.00.20.08.814.10.043.339.958.4 
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 142 common opponents

Custom engine selection
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
Hannibal 1.4b 64-bit3018 36%
11.5/32
30%
6/20
       
Naum 4.2 64-bit2987 27%
8.5/32
21%
8.5/40
14%
4.5/32
      
Protector 1.5.0 64-bit2984 34%
11/32
23%
11.5/50
       
Texel 1.03 64-bit2938 33%
10.5/32
21%
2.5/12
       
Spark 1.0 64-bit2926 51%
19.5/38
24%
22/90
28%
9/32
17%
5.5/32
     
Booot 5.2.0 64-bit2922 40%
12/30
20%
2/10
       
Spike 1.4 Leiden2920 43%
17.5/41
36%
35/97
14%
4.5/32
27%
8.5/32
     
DiscoCheck 5.2 64-bit291560%
30/50
43%
19/44
21%
1.5/7
       
Quazar 0.4 64-bit290161%
30/49
49%
19/39
35%
34/97
35%
3.5/10
      
Deep Junior Yokohama 64-bit2899 50%
16/32
28%
9/32
       
Hannibal 1.1 64-bit2895   23%
7.5/32
11%
3.5/32
     
Protector 1.4.0 64-bit2889  30%
15/50
30%
9.5/32
22%
7/32
     
Thinker 5.4d Inert 64-bit288553%
26.5/50
45%
17/38
33%
18/54
       
Thinker 5.4c Inert 64-bit2883   27%
8.5/32
25%
8/32
     
Murka 3 64-bit288268%
34/50
60%
15/25
35%
25.5/72
       
Toga II 3.02875 25%
1.5/6
32%
16/50
       
MinkoChess 1.3 64-bit2869 55%
21/38
44%
14/32
       
Tornado 8.0 64-bit 4CPU286770%
22.5/32
     33%
10.5/32
   
Nemo 1.0.1 64-bit2857 54%
22/41
46%
47.5/103
24%
7.5/31
25%
8/32
     
Zappa Mexico II 64-bit2845 64%
25/39
 30%
9.5/32
      
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
SmarThink 1.50 64-bit2844 52%
16.5/32
52%
16.5/32
       
MinkoChess 1.2 64-bit2842  39%
12.5/32
32%
20.5/64
      
Booot 5.1.02838  41%
34/82
34%
11/32
44%
14/32
     
Crafty 23.8 64-bit2825 55%
16/29
46%
18/39
       
Toga II 1.4.1SE2823   42%
13.5/32
20%
6.5/32
     
Cheng4 0.36c 64-bit2819 63%
24/38
44%
28/64
       
Deuterium 14.1.32.119 64-bit2819 59%
19/32
56%
38/68
       
Scorpio 2.7.6 64-bit2816 50%
6/12
49%
35/72
       
Tornado 4.88 64-bit2810 75%
4.5/6
60%
6/10
       
Scorpio 2.7.5 64-bit2804  52%
31/60
30%
3/10
      
Texel 1.01 64-bit2797  48%
39.5/82
29%
11/38
      
Loop 13.6 (Loop 2007) 64-bit2795   26%
8/31
41%
11.5/28
     
Crafty 23.4 64-bit2781  59%
19/32
31%
10/32
47%
15/32
31%
30.5/99
    
Ktulu 92781 62%
20.5/33
34%
11/32
39%
12.5/32
59%
19/32
     
GNU Chess 5.50 64-bit2780 17%
1/6
56%
22.5/40
       
Octochess r5190 64-bit2780 61%
23/38
55%
26/47
       
Bright 0.4a2779 75%
4.5/6
48%
19/40
  36%
36/100
    
Scorpio 2.7 64-bit2775   39%
12/31
39%
12.5/32
40%
39.5/99
    
Bright 0.5c2770 63%
21.5/34
 38%
12/32
39%
12.5/32
     
Twisted Logic 20090922 64-bit2770 69%
22/32
52%
16.5/32
42%
13.5/32
28%
9/32
34%
34.5/100
    
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
Frenzee 3.5.19 64-bit2769 56%
22/39
60%
43/72
31%
10/32
48%
15.5/32
34%
34.5/100
    
Jonny 4.002762 67%
113/168
59%
42.5/72
34%
11/32
39%
12.5/32
44%
44.5/100
    
Bison 9.11 64-bit2761 0%
0/1
55%
22/40
41%
13/32
44%
14/32
38%
38/100
    
BugChess2 1.9 64-bit2760 69%
27.5/40
49%
19.5/40
45%
14.5/32
36%
11.5/32
40%
39.5/100
    
SmarThink 1.20 64-bit2747  63%
19.5/31
55%
17.5/32
28%
9/32
44%
44/100
    
Dirty 05Sep2012 64-bit2740  58%
24.5/42
62%
12.5/20
      
Chronos 1.9.9 64-bit2739 50%
1/2
58%
60.5/104
52%
16.5/32
44%
14/32
43%
43/100
    
Chess Tiger 2007.12713   58%
18.5/32
59%
19/32
     
Bobcat 3.25 64-bit2712  58%
33/57
58%
18.5/32
      
Naum 2.0 32-bit2699   55%
17.5/32
47%
15/32
     
Fruit 2.12684  75%
30/40
48%
9.5/20
      
Delfi 5.42682 83%
2.5/3
70%
34.5/49
69%
22/32
47%
15/32
 56%
18/32
39%
12.5/32
  
Deuterium 12.01.30.1070 64-bit2682  60%
6/10
60%
6/10
      
Bobcat 2.75 64-bit2675    56%
24/43
  50%
13.5/27
  
RedQueen 1.0.0 64-bit2674   56%
18/32
67%
8/12
  8%
0.5/6
  
Daydreamer 1.75 64-bit2672  76%
38/50
56%
18/32
36%
11.5/32
 45%
14.5/32
47%
15/32
  
Dirty 25Aug2011 64-bit2668   72%
23/32
42%
5/12
  10%
0.5/5
  
Alaric 7072662 100%
2/2
 67%
21.5/32
50%
16/32
 56%
18/32
42%
13.5/32
40%
12/30
 
Cheng3 1.07 64-bit2660  45%
4.5/10
65%
35/54
      
Naraku 1.312652   53%
17/32
72%
23/32
   20%
6/30
 
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
Colossus 2008b2641 75%
1.5/2
 58%
18.5/32
52%
16.5/32
 55%
17.5/32
42%
13.5/32
  
Cyrano 0.6b17 64-bit2640   56%
17.5/31
58%
17.5/30
 68%
21/31
36%
11.5/32
32%
9.5/30
 
Deuterium 11.01.28.1592636   66%
21/32
48%
21/44
  40%
2/5
  
E.T. Chess 13.01.082634 100%
2/2
 69%
22/32
61%
19.5/32
     
ProDeo 1.72629   59%
19/32
62%
18.5/30
     
Gandalf 62627 100%
1/1
 69%
22/32
58%
18.5/32
     
Alfil 8.1.1 Optimized2625   58%
18.5/32
52%
16.5/32
 64%
20.5/32
45%
14.5/32
32%
9.5/30
 
WildCat 82623 0%
0/1
 69%
21.5/31
53%
17/32
 56%
17.5/31
42%
13.5/32
  
Movei 00.8.438 (10 10 10)2622 100%
1/1
 67%
21.5/32
55%
17.5/32
     
Philou 3.7.1 64-bit2619  85%
8.5/10
70%
23/33
      
Godel 2.3.7 64-bit2617  100%
6/6
62%
20/32
      
Sloppy 0.2.2 64-bit2616   75%
24/32
66%
21/32
 69%
21.5/31
28%
9/32
48%
14.5/30
 
Slow Chess Blitz WV2.12614 100%
1/1
 73%
23.5/32
53%
17/32
 41%
13/32
52%
15.5/30
  
Rotor 0.82612 75%
1.5/2
75%
7.5/10
       
Ruffian 2.1.02608   73%
23.5/32
58%
18.5/32
     
GarboChess 2.20 64-bit2606   78%
25/32
59%
19/32
     
Amyan 1.722604   74%
23/31
64%
28/44
 59%
19/32
51%
19/37
42%
12.5/30
 
Pharaon 3.5.12603 100%
2/2
 75%
24/32
53%
17/32
 44%
14/32
59%
19/32
38%
11.5/30
 
Zappa 1.1 64-bit2603    50%
16/32
 53%
17/32
45%
13.5/30
40%
12/30
29%
8.5/29
Cheng3 1.05 64-bit2601    71%
8.5/12
  60%
3/5
  
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
GNU Chess 5.07.173b 64-bit2597  85%
8.5/10
66%
21/32
65%
28.5/44
  30%
1.5/5
  
GNU Chess 5.07.1705b (TCEC) 64-bit2596    67%
29.5/44
  60%
3/5
  
N2 0.4 64-bit2589   73%
23.5/32
61%
27/44
 66%
21/32
47%
17.5/37
42%
12.5/30
32%
9.5/30
Ruffian 1.0.52585   72%
23/32
66%
21/32
 67%
21.5/32
39%
12.5/32
50%
15/30
25%
7.5/30
CuckooChess 1.12 64-bit2582   78%
25/32
75%
9/12
     
Cheng3 1.04 64-bit2580    67%
8/12
  20%
1/5
  
Francesca MAD 0.192580 100%
1/1
  62%
7.5/12
     
Hamsters 0.7.12579   78%
25/32
72%
23/32
 61%
19.5/32
62%
20/32
35%
10.5/30
 
Arasan 13.1 64-bit2575    75%
9/12
  70%
3.5/5
  
Pseudo 0.7c2575   78%
25/32
67%
21.5/32
 55%
17.5/32
64%
20.5/32
50%
15/30
20%
6/30
Rotor 0.62573   66%
21/32
59%
26/44
 64%
20.5/32
62%
23.5/38
48%
15.5/32
 
SOS 5.12571 100%
1/1
 66%
21/32
83%
26.5/32
 67%
21.5/32
53%
17/32
 12%
3.5/30
Francesca MAD 0.182569    62%
7.5/12
  70%
3.5/5
  
Aristarch 4.502567    72%
23/32
 55%
17.5/32
42%
13.5/32
43%
13/30
38%
11.5/30
Petir 4.392566   88%
28/32
60%
26.5/44
  90%
4.5/5
  
Deuterium 09.01.26.4922561        45%
13.5/30
35%
10.5/30
Brutus 8.05 64-bit2559   65%
20/31
52%
16.5/32
  52%
16.5/32
58%
17.5/30
 
Glass 1.7 64-bit2556    79%
9.5/12
  70%
3.5/5
  
The Baron 2.23 64-bit2555   75%
24/32
76%
25/33
 67%
21.5/32
58%
18.5/32
45%
13.5/30
40%
12/30
Philou 3.602551    75%
9/12
  70%
3.5/5
  
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
Hermann 2.6 64-bit2540   80%
25.5/32
66%
29/44
  60%
3/5
  
AnMon 5.752538   77%
24.5/32
69%
22/32
 62%
20/32
56%
18/32
50%
15/30
25%
7.5/30
CuckooChess 1.11 64-bit2538    83%
10/12
  60%
3/5
  
SmarThink 0.17a2536    73%
23.5/32
 59%
19/32
59%
19/32
43%
13/30
35%
10.5/30
Hermann 2.8 64-bit2532    71%
8.5/12
  60%
3/5
  
DanaSah 4.662530    67%
8/12
  20%
1/5
  
GreKo 8.2 64-bit2526    62%
7.5/12
  60%
3/5
  
Dirty 6J-222512        64%
18.5/29
45%
13/29
Hermann 2.5 64-bit2512      69%
22/32
52%
16.5/32
55%
16.5/30
47%
14/30
Rodin 4.02512    75%
9/12
  70%
3.5/5
  
Pupsi2 0.082507    54%
6.5/12
  70%
3.5/5
47%
15/32
 
Green Light Chess 3.01.2.22505      83%
26.5/32
81%
26/32
45%
13/29
34%
10/29
Little Goliath Evolution 3.122504      61%
19/31
60%
18.5/31
30%
9/30
32%
9.5/30
Yace 0.99.872503      65%
20/31
70%
22.5/32
67%
20/30
40%
12/30
Trace 1.37a2499      73%
23.5/32
59%
19/32
57%
17/30
27%
8/30
nanoSzachy 3.92494    58%
7/12
  70%
3.5/5
  
Bruja 1.9.1 64-bit2489      66%
21/32
47%
15/32
55%
16.5/30
37%
11/30
Kiwi 0.6d 64-bit2469 100%
1/1
    86%
27.5/32
62%
20/32
70%
21/30
62%
18.5/30
Xpdnt 0910072469      81%
26/32
66%
21/32
62%
18.5/30
 
Dorky 4.3 64-bit2466    62%
7.5/12
  90%
4.5/5
  
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
Pawny 0.3 64-bit2462    96%
11.5/12
  50%
2.5/5
  
Delphil 2.82450    75%
9/12
  80%
4/5
  
Counter 1.22446        55%
16.5/30
52%
15.5/30
SpiderChess 0706032439 100%
1/1
      73%
22/30
50%
15/30
Atlas 3.14b 64-bit2435    79%
9.5/12
  40%
2/5
  
King of Kings 2.562434        62%
18.5/30
58%
17.5/30
Abrok 5.02431      84%
27/32
83%
26.5/32
67%
20/30
42%
12.5/30
Eeyore 1.52 64-bit2428    75%
9/12
  70%
3.5/5
  
Gaia 3.5 64-bit2425        60%
18/30
40%
12/30
Quark 2.352423        52%
15.5/30
58%
17.5/30
Hussar 0.42421    67%
8/12
  80%
4/5
  
Dragon 4.62418        70%
21/30
70%
21/30
Snitch 1.6.2 32-bit2418        72%
21.5/30
50%
15/30
OliThink 5.3.0 64-bit2416        63%
19/30
58%
17.5/30
Typhoon 1.00-3582413    96%
11.5/12
  80%
4/5
  
RomiChess P3k 64-bit2408        67%
20/30
52%
15.5/30
KnightDreamer 3.32392 100%
1/1
       63%
19/30
Leila 0.53h2386        68%
20.5/30
47%
14/30
Diablo 0.5.12385        52%
15.5/30
65%
19.5/30
Amy 0.87b2384        70%
21/30
60%
17.5/29
NameEloGaviota
1.0
64-bit
4CPU
Gaviota
1.0
64-bit
Gaviota
0.86
64-bit
Gaviota
0.85.1
64-bit
Gaviota
0.84
64-bit
Gaviota
0.85.1
32-bit
Gaviota
0.83
64-bit
4CPU
Gaviota
0.83
64-bit
Gaviota
0.80
64-bit
Gaviota
0.75.7
64-bit
Gosu 0.162382        73%
22/30
60%
18/30
Sage 3.532324 100%
1/1
      87%
26/30
58%
17.5/30
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 July 11, 2020