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 8 engines!
8 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+
1Stoofvlees II a18 RTX20803664+18−1861.9%−73.758.7%894 
99.3%
 Stoofvlees II a16 RTX20803636+15−1554.3%−29.462.6%1327
100.0%
 Stoofvlees II a14 RTX20803568+12−1249.7%−4.357.8%2202
91.1%
 Stoofvlees II a13 RTX20803554+17−1749.1%−10.958.6%1017
97.5%
 Stoofvlees II a12 RTX20803530+16−1650.9%−10.453.5%1103
99.6%
 Stoofvlees II a11 RTX20803483+30−3060.3%−71.736.2%370
100.0%
 Stoofvlees II a11 GTX980Ti3349+26−2650.4%−8.439.5%473
98.1%
 Stoofvlees II a10 GTX980Ti3316+18−1839.2%+66.742.7%1002
 

Results matrix

Custom engine selection
#NameElo12345678
1Stoofvlees II a18 RTX20803664        
2Stoofvlees II a16 RTX20803636        
3Stoofvlees II a14 RTX20803568        
4Stoofvlees II a13 RTX20803554        
5Stoofvlees II a12 RTX20803530        
6Stoofvlees II a11 RTX20803483        
7Stoofvlees II a11 GTX980Ti3349        
8Stoofvlees II a10 GTX980Ti3316        
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
#NameElo12345678
1Stoofvlees II a18 RTX20803664 99.3100.0100.0100.0100.0100.0100.0
2Stoofvlees II a16 RTX208036360.7 100.0100.0100.0100.0100.0100.0
3Stoofvlees II a14 RTX208035680.00.0 91.1100.0100.0100.0100.0
4Stoofvlees II a13 RTX208035540.00.08.9 97.5100.0100.0100.0
5Stoofvlees II a12 RTX208035300.00.00.02.5 99.6100.0100.0
6Stoofvlees II a11 RTX208034830.00.00.00.00.4 100.0100.0
7Stoofvlees II a11 GTX980Ti33490.00.00.00.00.00.0 98.1
8Stoofvlees II a10 GTX980Ti33160.00.00.00.00.00.01.9 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Stoofvlees II a18 RTX20803664 148479049038800115
2Stoofvlees II a16 RTX208036361484 1199381222000
3Stoofvlees II a14 RTX208035687901199 180796600297
4Stoofvlees II a13 RTX208035544903811807 120900287
5Stoofvlees II a12 RTX208035303882229661209 00686
6Stoofvlees II a11 RTX2080348300000 497484
7Stoofvlees II a11 GTX980Ti334900000497 756
8Stoofvlees II a10 GTX980Ti33161150297287686484756 
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
#NameElo12345678
1Stoofvlees II a18 RTX20803664 66.825.525.619.40.00.06.1
2Stoofvlees II a16 RTX2080363666.8 34.016.39.10.00.00.0
3Stoofvlees II a14 RTX2080356825.534.0 56.129.20.00.09.3
4Stoofvlees II a13 RTX2080355425.616.356.1 57.00.00.014.2
5Stoofvlees II a12 RTX2080353019.49.129.257.0 0.00.032.6
6Stoofvlees II a11 RTX208034830.00.00.00.00.0 59.035.3
7Stoofvlees II a11 GTX980Ti33490.00.00.00.00.059.0 51.3
8Stoofvlees II a10 GTX980Ti33166.10.09.314.232.635.351.3 
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 33 common opponents

Custom engine selection
NameEloStoofvlees
II
a18
RTX2080
Stoofvlees
II
a16
RTX2080
Stoofvlees
II
a14
RTX2080
Stoofvlees
II
a13
RTX2080
Stoofvlees
II
a12
RTX2080
Stoofvlees
II
a11
RTX2080
Stoofvlees
II
a11
GTX980Ti
Stoofvlees
II
a10
GTX980Ti
Fat Fritz 2 (in SF) 64-bit 8CPU372245%
29.5/66
34%
34/100
      
Stockfish 13 64-bit 8CPU372039%
25.5/66
34%
31.5/92
      
Stockfish 12 64-bit 8CPU3696 42%
42.5/100
33%
30/92
     
Dragon by Komodo 64-bit 8CPU367850%
33.5/67
44%
44/100
38%
37.5/100
     
Lc0 0.26.3 t40-1541 RTX20803651 44%
44.5/100
37%
16/43
     
Lc0 0.27.0 t40-1541 RTX2080364753%
35.5/67
50%
33/66
      
Fat Fritz (in Lc0) w471 RTX20803632 52%
52.5/100
38%
68.5/180
     
Leelenstein 11.1 RTX2080362557%
37.5/66
51%
50/99
38%
37.5/100
36%
27.5/76
    
Lc0 0.23.1 w42850 RTX20803620  37%
37/101
36%
49/137
    
Fat Fritz (in Lc0) w266 RTX20803608  40%
40.5/100
41%
45/110
40%
50/124
   
Stockfish 2019-10-09 64-bit 4CPU3602  47%
47.5/102
46%
50.5/109
50%
5.5/11
   
Lc0 0.22.0 w49921 RTX20803596   46%
41/90
39%
54/140
   
Allie 0.5 nn49921 RTX2080356067%
44.5/66
65%
63.5/98
50%
51/101
47%
50.5/108
42%
51.5/124
   
Nemorino 6.00 64-bit 8CPU355160%
39.5/66
67%
54.5/81
      
Fire 8 64-bit 8CPU354967%
44.5/66
65%
61/94
      
Stockfish 10 64-bit 4CPU3547    45%
63.5/141
  23%
11.5/50
Ethereal 12.75 64-bit 8CPU354072%
47.5/66
 61%
34/56
     
SlowChess Blitz 2.5 64-bit 8CPU353969%
45.5/66
61%
30/49
      
Komodo 13.2 64-bit 4CPU3527  51%
52/101
54%
57/106
    
Houdini 6 64-bit 4CPU351677%
51/66
 51%
52.5/102
56%
60/108
55%
78/141
  29%
14/49
NameEloStoofvlees
II
a18
RTX2080
Stoofvlees
II
a16
RTX2080
Stoofvlees
II
a14
RTX2080
Stoofvlees
II
a13
RTX2080
Stoofvlees
II
a12
RTX2080
Stoofvlees
II
a11
RTX2080
Stoofvlees
II
a11
GTX980Ti
Stoofvlees
II
a10
GTX980Ti
RubiChess 2.0 NN-375bd 64-bit 8CPU350876%
50/66
65%
28/43
      
Stockfish 10 64-bit3490     47%
47/100
31%
15.5/50
36%
18/50
Houdini 6 64-bit3443     54%
36.5/68
46%
23/50
34%
17/50
Fire 7.1 64-bit 4CPU3425  69%
69/100
66%
59.5/90
66%
92.5/141
  28%
14/50
Lc0 0.20.1 w36089 GTX980Ti3424      31%
15.5/50
41%
22.5/55
Ethereal 11.50 64-bit 4CPU3414    67%
47/70
  25%
12.5/50
Komodo 13.01 64-bit3399      55%
27.5/50
39%
19.5/50
Xiphos 0.5 64-bit 4CPU3394    67%
47/70
  31%
15/49
Fritz 17 64-bit 4CPU3379  74%
74.5/101
76%
42/55
    
Fire 7.1 64-bit3333     76%
51/67
57%
28.5/50
55%
22.5/41
Ethereal 11.50 64-bit3321     74%
49.5/67
49%
22/45
51%
21/41
Laser 1.7 64-bit3272      57%
25.5/45
57%
24/42
Fizbo 2 64-bit3247      57%
25.5/45
62%
26/42
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