CCRL Blitz
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 2'474'284 games
played by 2'947 programs

White wins: 951'541 (38.5%)
Black wins: 762'369 (30.8%)
Draws: 760'374 (30.7%)
White score: 53.8%

Custom engine selection

Comparing 18 engines!
18 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 for notes on engine inclusion.
Computed on March 2, 2021 with Bayeselo based on 2'474'284 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+
1Lc0 0.26.3 t40-1541 RTX20803650+17−1759.1%−58.162.3%999 
68.2%
 Lc0 0.25.1 t40-1541 RTX20803645+15−1564.4%−94.859.4%1389
99.3%
 Lc0 0.23.1 w42850 RTX20803620+13−1362.1%−74.267.8%1789
99.0%
 Lc0 0.22.0 w49921 RTX20803597+15−1563.8%−82.665.5%1292
100.0%
 LC0 0.24.1 w591226 GTX10503525+16−1650.0%−1.462.1%1148
99.8%
 Lc0 0.21.1 JH.T6.532 GTX10503492+16−1657.1%−46.653.2%1200
93.7%
 Lc0 0.21.1 w41800 GTX10503474+17−1755.7%−37.751.2%1000
97.6%
 Lc0 0.20.2 w32930 GTX10503451+14−1459.2%−60.148.4%1600
96.5%
 Lc0 0.20.1 w36089 GTX980Ti3425+25−2461.9%−74.055.7%490
100.0%
 Lc0 0.20.1 w36089 OpenCL GTX980Ti3318+26−2645.2%+29.854.4%439
100.0%
 Lc0 0.24.0 w591226 64-bit2990+20−2060.8%−73.435.7%896
100.0%
 Lc0 0.20.1 w36089 64-bit2798+20−1955.1%−41.624.6%982
100.0%
 Leela Chess 0.10 w483 64-bit2607+22−2248.6%+10.924.3%725
100.0%
 Leela Chess 0.10 w323 64-bit2537+23−2257.2%−55.420.8%754
100.0%
 Leela Chess 0.10 w272 64-bit2307+33−3256.1%−46.619.7%350
94.4%
 Leela Chess 0.9 w272 64-bit2270+33−3351.3%−9.517.9%352
96.1%
 Leela Chess 0.7 w187 64-bit2235+22−2263.3%−105.018.9%814
100.0%
 Leela Chess 0.5 w123 64-bit1961+32−3246.9%+25.017.7%373
 

Results matrix

Custom engine selection
#NameElo123456789101112131415161718
1Lc0 0.26.3 t40-1541 RTX20803650                  
2Lc0 0.25.1 t40-1541 RTX20803645                  
3Lc0 0.23.1 w42850 RTX20803620                  
4Lc0 0.22.0 w49921 RTX20803597                  
5LC0 0.24.1 w591226 GTX10503525                  
6Lc0 0.21.1 JH.T6.532 GTX10503492                  
7Lc0 0.21.1 w41800 GTX10503474                  
8Lc0 0.20.2 w32930 GTX10503451                  
9Lc0 0.20.1 w36089 GTX980Ti3425                  
10Lc0 0.20.1 w36089 OpenCL GTX980Ti3318                  
11Lc0 0.24.0 w591226 64-bit2990                  
12Lc0 0.20.1 w36089 64-bit2798                  
13Leela Chess 0.10 w483 64-bit2607                  
14Leela Chess 0.10 w323 64-bit2537                  
15Leela Chess 0.10 w272 64-bit2307                  
16Leela Chess 0.9 w272 64-bit2270                  
17Leela Chess 0.7 w187 64-bit2235                  
18Leela Chess 0.5 w123 64-bit1961                  
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
#NameElo123456789101112131415161718
1Lc0 0.26.3 t40-1541 RTX20803650 68.299.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Lc0 0.25.1 t40-1541 RTX2080364531.8 99.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Lc0 0.23.1 w42850 RTX208036200.30.7 99.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Lc0 0.22.0 w49921 RTX208035970.00.01.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5LC0 0.24.1 w591226 GTX105035250.00.00.00.0 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Lc0 0.21.1 JH.T6.532 GTX105034920.00.00.00.00.2 93.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7Lc0 0.21.1 w41800 GTX105034740.00.00.00.00.06.3 97.699.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
8Lc0 0.20.2 w32930 GTX105034510.00.00.00.00.00.02.4 96.5100.0100.0100.0100.0100.0100.0100.0100.0100.0
9Lc0 0.20.1 w36089 GTX980Ti34250.00.00.00.00.00.00.13.5 100.0100.0100.0100.0100.0100.0100.0100.0100.0
10Lc0 0.20.1 w36089 OpenCL GTX980Ti33180.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
11Lc0 0.24.0 w591226 64-bit29900.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0
12Lc0 0.20.1 w36089 64-bit27980.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
13Leela Chess 0.10 w483 64-bit26070.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
14Leela Chess 0.10 w323 64-bit25370.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
15Leela Chess 0.10 w272 64-bit23070.00.00.00.00.00.00.00.00.00.00.00.00.00.0 94.4100.0100.0
16Leela Chess 0.9 w272 64-bit22700.00.00.00.00.00.00.00.00.00.00.00.00.00.05.6 96.1100.0
17Leela Chess 0.7 w187 64-bit22350.00.00.00.00.00.00.00.00.00.00.00.00.00.00.03.9 100.0
18Leela Chess 0.5 w123 64-bit19610.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112131415161718
1Lc0 0.26.3 t40-1541 RTX20803650 9886452041290000000000000
2Lc0 0.25.1 t40-1541 RTX20803645988 142982410973413413410000000000
3Lc0 0.23.1 w42850 RTX208036206451429 13739732372372370000000000
4Lc0 0.22.0 w49921 RTX208035972048241373 7537797797790000000000
5LC0 0.24.1 w591226 GTX105035251291097973753 4604604600000000000
6Lc0 0.21.1 JH.T6.532 GTX105034920341237779460 2000220062059100000000
7Lc0 0.21.1 w41800 GTX1050347403412377794602000 200062059100000000
8Lc0 0.20.2 w32930 GTX10503451034123777946022002000 62059100000000
9Lc0 0.20.1 w36089 GTX980Ti342500000620620620 87900000000
10Lc0 0.20.1 w36089 OpenCL GTX980Ti331800000591591591879 00000000
11Lc0 0.24.0 w591226 64-bit29900000000000 638000000
12Lc0 0.20.1 w36089 64-bit27980000000000638 25300000
13Leela Chess 0.10 w483 64-bit260700000000000253 00000
14Leela Chess 0.10 w323 64-bit25370000000000000 0000
15Leela Chess 0.10 w272 64-bit230700000000000000 7021850
16Leela Chess 0.9 w272 64-bit227000000000000000702 1850
17Leela Chess 0.7 w187 64-bit223500000000000000185185 352
18Leela Chess 0.5 w123 64-bit19610000000000000000352 
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
#NameElo123456789101112131415161718
1Lc0 0.26.3 t40-1541 RTX20803650 41.423.18.96.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2Lc0 0.25.1 t40-1541 RTX2080364541.4 45.030.743.213.214.311.40.00.00.00.00.00.00.00.00.00.0
3Lc0 0.23.1 w42850 RTX2080362023.145.0 44.633.17.98.57.00.00.00.00.00.00.00.00.00.00.0
4Lc0 0.22.0 w49921 RTX208035978.930.744.6 30.931.334.026.90.00.00.00.00.00.00.00.00.00.0
5LC0 0.24.1 w591226 GTX105035256.043.233.130.9 19.621.416.70.00.00.00.00.00.00.00.00.00.0
6Lc0 0.21.1 JH.T6.532 GTX105034920.013.27.931.319.6 90.978.636.736.10.00.00.00.00.00.00.00.0
7Lc0 0.21.1 w41800 GTX105034740.014.38.534.021.490.9 76.941.641.10.00.00.00.00.00.00.00.0
8Lc0 0.20.2 w32930 GTX105034510.011.47.026.916.778.676.9 29.729.00.00.00.00.00.00.00.00.0
9Lc0 0.20.1 w36089 GTX980Ti34250.00.00.00.00.036.741.629.7 94.60.00.00.00.00.00.00.00.0
10Lc0 0.20.1 w36089 OpenCL GTX980Ti33180.00.00.00.00.036.141.129.094.6 0.00.00.00.00.00.00.00.0
11Lc0 0.24.0 w591226 64-bit29900.00.00.00.00.00.00.00.00.00.0 34.00.00.00.00.00.00.0
12Lc0 0.20.1 w36089 64-bit27980.00.00.00.00.00.00.00.00.00.034.0 14.80.00.00.00.00.0
13Leela Chess 0.10 w483 64-bit26070.00.00.00.00.00.00.00.00.00.00.014.8 0.00.00.00.00.0
14Leela Chess 0.10 w323 64-bit25370.00.00.00.00.00.00.00.00.00.00.00.00.0 0.00.00.00.0
15Leela Chess 0.10 w272 64-bit23070.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.015.90.0
16Leela Chess 0.9 w272 64-bit22700.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0 15.90.0
17Leela Chess 0.7 w187 64-bit22350.00.00.00.00.00.00.00.00.00.00.00.00.00.015.915.9 29.7
18Leela Chess 0.5 w123 64-bit19610.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.029.7 
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 63 common opponents

Custom engine selection
NameEloLc0
0.26.3
t40-1541
RTX2080
Lc0
0.25.1
t40-1541
RTX2080
Lc0
0.23.1
w42850
RTX2080
Lc0
0.22.0
w49921
RTX2080
LC0
0.24.1
w591226
GTX1050
Lc0
0.21.1
JH.T6.532
GTX1050
Lc0
0.21.1
w41800
GTX1050
Lc0
0.20.2
w32930
GTX1050
Lc0
0.20.1
w36089
GTX980Ti
Lc0
0.20.1
w36089
OpenCL
GTX980Ti
Lc0
0.24.0
w591226
64-bit
Lc0
0.20.1
w36089
64-bit
Leela
Chess
0.10
w483
64-bit
Leela
Chess
0.10
w323
64-bit
Leela
Chess
0.10
w272
64-bit
Leela
Chess
0.9
w272
64-bit
Leela
Chess
0.7
w187
64-bit
Leela
Chess
0.5
w123
64-bit
Stockfish 12 64-bit 8CPU369543%
19/44
44%
40.5/93
                
Dragon by Komodo 64-bit 8CPU367345%
20/44
46%
45.5/99
                
Stockfish 12 64-bit3633 48%
20/42
  31%
31.5/102
             
Fat Fritz (in Lc0) w471 RTX2080363255%
23.5/43
53%
25.5/48
48%
91.5/192
               
Leelenstein 11.1 RTX2080362657%
24.5/43
52%
24.5/47
49%
67/138
48%
28/58
              
Fat Fritz (in Lc0) w266 RTX20803608  52%
71/136
52%
42/81
              
Stockfish 2019-10-09 64-bit 4CPU3602 54%
25.5/47
53%
72.5/137
52%
30/58
41%
54/132
             
Stockfish 11 64-bit 4CPU3601 55%
26/47
56%
51/91
               
Stoofvlees II a14 RTX2080356863%
27/43
67%
32/48
63%
64/101
               
Allie 0.5 nn49921 RTX2080356066%
28.5/43
68%
32.5/48
64%
85.5/134
55%
33/60
              
Stoofvlees II a13 RTX20803554  64%
88/137
54%
49/90
              
Komodo 14.1 64-bit 8CPU355065%
28.5/44
70%
64/91
                
Stockfish 10 64-bit 4CPU3548   59%
94.5/160
 40%
39.5/100
40%
40/100
32%
32.5/100
          
Ethereal 12.75 64-bit 8CPU354166%
29/44
70%
39/56
                
Komodo 13.3 64-bit 4CPU3531  66%
48.5/74
 49%
64.5/132
             
Houdini 6 64-bit 4CPU3518 74%
35/47
70%
96.5/137
63%
99.5/159
49%
64/130
48%
47.5/100
44%
44/100
46%
46/100
          
Stockfish 10 64-bit3490     52%
51.5/100
47%
47/100
48%
48.5/100
37%
20.5/55
24%
12/49
        
Komodo 12.3 64-bit 4CPU3488     53%
53/100
51%
51/100
46%
45.5/100
          
Ethereal 12.00 64-bit 4CPU3443 80%
80.5/100
  63%
82.5/130
             
Houdini 6 64-bit3443     60%
59.5/100
54%
54/100
55%
55/100
53%
29/55
39%
19/49
        
NameEloLc0
0.26.3
t40-1541
RTX2080
Lc0
0.25.1
t40-1541
RTX2080
Lc0
0.23.1
w42850
RTX2080
Lc0
0.22.0
w49921
RTX2080
LC0
0.24.1
w591226
GTX1050
Lc0
0.21.1
JH.T6.532
GTX1050
Lc0
0.21.1
w41800
GTX1050
Lc0
0.20.2
w32930
GTX1050
Lc0
0.20.1
w36089
GTX980Ti
Lc0
0.20.1
w36089
OpenCL
GTX980Ti
Lc0
0.24.0
w591226
64-bit
Lc0
0.20.1
w36089
64-bit
Leela
Chess
0.10
w483
64-bit
Leela
Chess
0.10
w323
64-bit
Leela
Chess
0.10
w272
64-bit
Leela
Chess
0.9
w272
64-bit
Leela
Chess
0.7
w187
64-bit
Leela
Chess
0.5
w123
64-bit
Xiphos 0.6 64-bit 4CPU342980%
34.5/43
79%
78/99
77%
78/101
 65%
84/130
             
Fire 7.1 64-bit 4CPU3426 84%
84.5/100
 76%
121/160
61%
79.5/130
58%
58/100
64%
63.5/100
54%
54.5/100
          
Komodo 11.3.1 64-bit3419     63%
63/100
56%
56.5/100
62%
62/100
          
Komodo 13.01 64-bit3400        55%
30.5/55
42%
22/52
        
Ethereal 11.25 64-bit 4CPU3392     64%
64.5/100
59%
59/100
54%
54/100
          
Fritz 17 64-bit 4CPU3380 85%
84.5/99
80%
109.5/137
76%
26.5/35
              
Andscacs 0.95 64-bit 4CPU3336     70%
70/100
 72%
71.5/100
          
Fire 7.1 64-bit3334     73%
73/100
68%
68.5/100
62%
62/100
66%
36.5/55
42%
20.5/49
        
Stoofvlees II a10 GTX980Ti3316        59%
32.5/55
44%
40/91
        
Xiphos 0.5 64-bit3305     72%
71.5/100
74%
73.5/100
66%
65.5/100
71%
39/55
51%
25.5/50
        
Laser 1.7 64-bit3274        77%
42.5/55
55%
27.5/50
        
Fizbo 2 64-bit3247        70%
38.5/55
65%
32/49
        
Gaviota 1.0 64-bit2871          61%
19.5/32
45%
14.5/32
      
DisasterArea 1.65 64-bit2869          62%
20/32
47%
15/32
      
MinkoChess 1.3 64-bit2869          72%
23/32
41%
13/32
      
Nemo 1.0.1 64-bit2857          61%
19.5/32
61%
19.5/32
      
Zappa Mexico II 64-bit2846          53%
17/32
45%
14.5/32
      
Onno 1.2.70 64-bit2841          66%
21/32
42%
13/31
      
Tornado 8.0 64-bit2828          69%
22/32
39%
12.5/32
      
Monolith 1.0 64-bit2818          67%
21.5/32
52%
16/31
      
NameEloLc0
0.26.3
t40-1541
RTX2080
Lc0
0.25.1
t40-1541
RTX2080
Lc0
0.23.1
w42850
RTX2080
Lc0
0.22.0
w49921
RTX2080
LC0
0.24.1
w591226
GTX1050
Lc0
0.21.1
JH.T6.532
GTX1050
Lc0
0.21.1
w41800
GTX1050
Lc0
0.20.2
w32930
GTX1050
Lc0
0.20.1
w36089
GTX980Ti
Lc0
0.20.1
w36089
OpenCL
GTX980Ti
Lc0
0.24.0
w591226
64-bit
Lc0
0.20.1
w36089
64-bit
Leela
Chess
0.10
w483
64-bit
Leela
Chess
0.10
w323
64-bit
Leela
Chess
0.10
w272
64-bit
Leela
Chess
0.9
w272
64-bit
Leela
Chess
0.7
w187
64-bit
Leela
Chess
0.5
w123
64-bit
Rhetoric 1.4.3 64-bit2807          64%
20.5/32
45%
14.5/32
      
Octochess r5190 64-bit2780          70%
22.5/32
41%
13/32
      
Colossus 2008b2642           73%
22.5/31
56%
18/32
     
Cyrano 0.6b17 64-bit2641           67%
21.5/32
48%
15.5/32
     
Sjakk 2.2 64-bit2638           67%
21.5/32
52%
15.5/30
     
WyldChess 1.51 64-bit2628           61%
19.5/32
47%
15/32
     
Galjoen 0.38 64-bit2319              39%
12.5/32
44%
14/32
  
Absolute Zero 2.4.7.2 64-bit2317              70%
22.5/32
70%
22.5/32
  
Aice 0.99.22316              56%
17.5/31
48%
15.5/32
  
Sungorus 1.4 64-bit2310              52%
16.5/32
52%
16.5/32
  
Napoleon 1.8 64-bit2253              42%
13/31
38%
12/32
  
Robocide 20170718 64-bit2235              59%
19/32
50%
16/32
45%
13/29
 
Anechka 0.082233              61%
19.5/32
47%
15/32
35%
10.5/30
 
GopherCheck 0.2.3 64-bit2233              53%
17/32
38%
12/32
  
AliChess 4.252227              47%
15/32
55%
17.5/32
57%
17/30
 
CT800 1.20 64-bit2216              70%
22.5/32
75%
24/32
  
FireFly 2.7.0 64-bit2207              67%
21.5/32
48%
15.5/32
  
Vice 1.0 64-bit2043                71%
20.5/29
33%
10.5/32
Jabba 1.0 64-bit2037                75%
22.5/30
39%
12.5/32
Embla 1.0.1 64-bit1988                85%
25.5/30
47%
14.5/31
NameEloLc0
0.26.3
t40-1541
RTX2080
Lc0
0.25.1
t40-1541
RTX2080
Lc0
0.23.1
w42850
RTX2080
Lc0
0.22.0
w49921
RTX2080
LC0
0.24.1
w591226
GTX1050
Lc0
0.21.1
JH.T6.532
GTX1050
Lc0
0.21.1
w41800
GTX1050
Lc0
0.20.2
w32930
GTX1050
Lc0
0.20.1
w36089
GTX980Ti
Lc0
0.20.1
w36089
OpenCL
GTX980Ti
Lc0
0.24.0
w591226
64-bit
Lc0
0.20.1
w36089
64-bit
Leela
Chess
0.10
w483
64-bit
Leela
Chess
0.10
w323
64-bit
Leela
Chess
0.10
w272
64-bit
Leela
Chess
0.9
w272
64-bit
Leela
Chess
0.7
w187
64-bit
Leela
Chess
0.5
w123
64-bit
Snowy 0.2 64-bit1978                78%
19.5/25
41%
12/29
Hedgehog 1.8041968                84%
24.5/29
60%
18.5/31
Etude 0.1.21952                72%
16.5/23
47%
14.5/31
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 2, 2021