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 12 engines!
12 selected engines played 40 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+
1Xiphos 0.6 64-bit 8CPU3454+15−1530.6%+128.947.9%1520 
99.7%
 Xiphos 0.6 64-bit 4CPU3428+10−1039.5%+69.954.7%3107
100.0%
 Xiphos 0.5 64-bit 4CPU3394+14−1442.9%+47.947.9%1746
100.0%
 Xiphos 0.6 64-bit3339+9−943.1%+47.354.1%3796
94.0%
 Xiphos 0.4 64-bit 4CPU3322+18−1847.2%+17.446.1%1038
94.1%
 Xiphos 0.5 64-bit3304+13−1344.9%+34.649.2%1989
100.0%
 Xiphos 0.4.18 64-bit3242+18−1846.7%+24.944.5%959
91.5%
 Xiphos 0.4 64-bit3226+14−1449.4%+8.247.1%1555
100.0%
 Xiphos 0.3 64-bit3136+14−1453.4%−29.141.5%1658
100.0%
 Xiphos 0.1 64-bit 4CPU3074+20−2043.5%+40.941.4%804
83.5%
 Xiphos 0.2 64-bit3062+13−1353.4%−30.142.8%1967
99.5%
 Xiphos 0.1 64-bit3033+19−1950.7%−9.839.8%908
 

Results matrix

Custom engine selection
#NameElo123456789101112
1Xiphos 0.6 64-bit 8CPU3454            
2Xiphos 0.6 64-bit 4CPU3428            
3Xiphos 0.5 64-bit 4CPU3394            
4Xiphos 0.6 64-bit3339            
5Xiphos 0.4 64-bit 4CPU3322            
6Xiphos 0.5 64-bit3304            
7Xiphos 0.4.18 64-bit3242            
8Xiphos 0.4 64-bit3226            
9Xiphos 0.3 64-bit3136            
10Xiphos 0.1 64-bit 4CPU3074            
11Xiphos 0.2 64-bit3062           22.5 − 17.5
+11−6=23
+6
12Xiphos 0.1 64-bit3033          17.5 − 22.5
+6−11=23
−6
 
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
1Xiphos 0.6 64-bit 8CPU3454 99.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Xiphos 0.6 64-bit 4CPU34280.3 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Xiphos 0.5 64-bit 4CPU33940.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Xiphos 0.6 64-bit33390.00.00.0 94.0100.0100.0100.0100.0100.0100.0100.0
5Xiphos 0.4 64-bit 4CPU33220.00.00.06.0 94.1100.0100.0100.0100.0100.0100.0
6Xiphos 0.5 64-bit33040.00.00.00.05.9 100.0100.0100.0100.0100.0100.0
7Xiphos 0.4.18 64-bit32420.00.00.00.00.00.0 91.5100.0100.0100.0100.0
8Xiphos 0.4 64-bit32260.00.00.00.00.00.08.5 100.0100.0100.0100.0
9Xiphos 0.3 64-bit31360.00.00.00.00.00.00.00.0 100.0100.0100.0
10Xiphos 0.1 64-bit 4CPU30740.00.00.00.00.00.00.00.00.0 83.599.8
11Xiphos 0.2 64-bit30620.00.00.00.00.00.00.00.00.016.5 99.5
12Xiphos 0.1 64-bit30330.00.00.00.00.00.00.00.00.00.20.5 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112
1Xiphos 0.6 64-bit 8CPU3454 1216226000000000
2Xiphos 0.6 64-bit 4CPU34281216 113112600000000
3Xiphos 0.5 64-bit 4CPU33942261131 06289100011200
4Xiphos 0.6 64-bit333901260 015221082927131000
5Xiphos 0.4 64-bit 4CPU3322006280 00013224712684
6Xiphos 0.5 64-bit3304009115220 13871292213066
7Xiphos 0.4.18 64-bit3242000108201387 1755724000
8Xiphos 0.4 64-bit3226000927012921755 13700379290
9Xiphos 0.3 64-bit31360001311322137241370 019981286
10Xiphos 0.1 64-bit 4CPU30740011202470000 03
11Xiphos 0.2 64-bit306200001266037919980 1927
12Xiphos 0.1 64-bit303300008460290128631927 
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
1Xiphos 0.6 64-bit 8CPU3454 26.36.90.00.00.00.00.00.00.00.00.0
2Xiphos 0.6 64-bit 4CPU342826.3 23.31.80.00.00.00.00.00.00.00.0
3Xiphos 0.5 64-bit 4CPU33946.923.3 0.022.62.40.00.00.04.40.00.0
4Xiphos 0.6 64-bit33390.01.80.0 0.026.322.817.32.40.00.00.0
5Xiphos 0.4 64-bit 4CPU33220.00.022.60.0 0.00.00.04.913.44.24.3
6Xiphos 0.5 64-bit33040.00.02.426.30.0 47.036.55.80.00.20.2
7Xiphos 0.4.18 64-bit32420.00.00.022.80.047.0 69.827.70.00.00.0
8Xiphos 0.4 64-bit32260.00.00.017.30.036.569.8 42.60.010.811.8
9Xiphos 0.3 64-bit31360.00.00.02.44.95.827.742.6 0.055.150.1
10Xiphos 0.1 64-bit 4CPU30740.00.04.40.013.40.00.00.00.0 0.00.2
11Xiphos 0.2 64-bit30620.00.00.00.04.20.20.010.855.10.0 67.0
12Xiphos 0.1 64-bit30330.00.00.00.04.30.20.011.850.10.267.0 
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 78 common opponents

Custom engine selection
NameEloXiphos
0.6
64-bit
8CPU
Xiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Stockfish 12 64-bit 8CPU369616%
13/79
10%
9.5/92
          
Dragon by Komodo 64-bit 8CPU367816%
13/79
10%
10/100
          
Lc0 0.26.3 t40-1541 RTX2080365120%
15.5/79
20%
8.5/43
          
Stockfish 12 64-bit3634 23%
9.5/42
 11%
10.5/98
        
Fat Fritz (in Lc0) w471 RTX2080363224%
18.5/78
23%
33.5/146
          
Stockfish 2019-10-09 64-bit 4CPU3602 26%
29/110
15%
24/159
         
Stockfish 10 64-bit 4CPU3547  26%
19/72
 16%
17/108
       
Ethereal 12.75 64-bit 8CPU354038%
30/78
32%
18.5/57
          
Komodo 13.2 64-bit 4CPU3527 36%
42.5/117
32%
14.5/45
         
Houdini 6 64-bit 4CPU351637%
29/78
35%
40.5/115
32%
23.5/73
         
Stockfish 10 64-bit3490   31%
19/62
 20%
18/91
10%
6.5/64
9%
6/64
    
Stockfish 9 64-bit3481       16%
9.5/60
  0%
0/1
 
Houdini 6 64-bit3443   30%
51.5/172
 24%
21.5/91
24%
15.5/64
22%
13.5/61
    
Fire 7.1 64-bit 4CPU342550%
39/78
56%
64/114
42%
10.5/25
         
Ethereal 11.50 64-bit 4CPU3414 49%
57/117
47%
43/92
         
Komodo 12 64-bit3410       22%
13.5/60
0%
0/1
   
Komodo 12.3 MCTS 64-bit 4CPU3407  50%
36.5/73
 30%
29.5/98
       
Ethereal 11.25 64-bit 4CPU3391  52%
13/25
 43%
35/82
       
Laser 1.7 64-bit 4CPU3363 58%
68/117
54%
74/138
         
Andscacs 0.95 64-bit 4CPU3335  54%
13.5/25
 38%
12.5/33
       
NameEloXiphos
0.6
64-bit
8CPU
Xiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Fire 7.1 64-bit3333   49%
31.5/64
 51%
45.5/90
37%
23.5/64
35%
21/60
    
Booot 6.3.1 64-bit 4CPU3324  54%
13.5/25
 56%
28/50
       
Komodo 12.3 MCTS 64-bit3323     47%
23.5/50
34%
22/64
36%
36.5/100
    
Ethereal 11.50 64-bit3321   54%
34.5/64
 47%
23.5/50
      
Stoofvlees II a10 GTX980Ti3316  69%
34/49
  43%
18/42
      
Ethereal 11.25 64-bit3304     52%
46.5/90
 50%
0.5/1
    
Ethereal 11.00 64-bit3300      41%
26.5/64
40%
24/60
31%
18.5/60
   
RofChade 2.202 64-bit3277   56%
36/64
 53%
26/49
      
Schooner 2.0.34 64-bit 4CPU3274  70%
17.5/25
 60%
26.5/44
       
Laser 1.7 64-bit3272   66%
42.5/64
 53%
48/90
48%
30.5/64
     
Shredder 13 64-bit3269   55%
35/64
 58%
29/50
41%
26/64
45%
27/60
    
Defenchess 2.2 64-bit3267   61%
39/64
 52%
33.5/64
      
Booot 6.3.1 64-bit3254   59%
38/64
 63%
31.5/50
55%
35.5/64
46%
27.5/60
34%
21.5/64
   
Fizbo 2 64-bit3247   60%
37/62
 59%
30/51
41%
26/64
47%
28/60
0%
0/1
   
Chiron 4 64-bit 4CPU3242  78%
56.5/72
      22%
9/40
  
Andscacs 0.95 64-bit3229   72%
44.5/62
 65%
26/40
48%
30.5/64
54%
33.5/62
    
Andscacs 0.94 64-bit3228       48%
28.5/60
37%
23.5/64
   
Schooner 2.0.34 64-bit3192     62%
25/40
63%
40.5/64
59%
19.5/33
    
Texel 1.07 64-bit 4CPU3192    67%
30/45
    26%
10.5/40
  
Laser 1.6 64-bit3187      66%
41.5/63
48%
29/60
41%
26/64
   
NameEloXiphos
0.6
64-bit
8CPU
Xiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Senpai 2.0 64-bit 4CPU3176    83%
38/46
    34%
13.5/40
  
Chiron 4 64-bit3163     65%
26/40
59%
38/64
62%
37.5/60
51%
25.5/50
   
Critter 1.6a 64-bit3156      65%
41.5/64
61%
36.5/60
42%
21/50
   
Fritz 15 64-bit3145      68%
43.5/64
61%
36.5/60
47%
23.5/50
   
Ethereal 10.00 64-bit3143        44%
22/50
 39%
19.5/50
 
Strelka 5.5 64-bit3139    86%
31/36
    39%
15.5/40
  
NirvanaChess 2.4 64-bit3131       71%
42.5/60
44%
22.5/51
 40%
16/40
32%
9.5/30
RofChade 2.0 64-bit3130     70%
28/40
 56%
18/32
    
Nemorino 5.00 64-bit3115       63%
38/60
53%
26/49
   
Texel 1.07 64-bit3113       70%
42/60
50%
25/50
 40%
28.5/72
46%
18.5/40
Hannibal 1.7 64-bit3110       75%
45/60
59%
30/51
 38%
27/72
40%
12.5/31
Rybka 4.1 64-bit3110        53%
27.5/52
 45%
37/83
28%
9/32
Pedone 1.8 64-bit3107       62%
38/61
52%
16.5/32
   
Laser 1.5 64-bit3095        58%
71/122
 42%
34.5/82
54%
21/39
Protector 1.9.0 64-bit3087     100%
1/1
 50%
0.5/1
64%
32/50
 47%
38/81
35%
11/31
Senpai 2.0 64-bit3085        62%
31.5/51
 48%
39.5/82
42%
17/40
Vajolet2 2.6 64-bit3084       50%
0.5/1
  51%
25.5/50
 
iCE 3.0 64-bit3080    78%
34.5/44
   61%
75/123
 45%
37/82
45%
18/40
Nemorino 4.00 64-bit3066        61%
30.5/50
 49%
35/72
35%
11/31
Arasan 20.5 64-bit3059        61%
30.5/50
 50%
16/32
41%
16.5/40
NameEloXiphos
0.6
64-bit
8CPU
Xiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Pedone 1.7 64-bit3053          45%
37/82
45%
14.5/32
ChessBrainVB 3.723049     100%
1/1
 50%
0.5/1
    
Defenchess 1.1f 64-bit3047     100%
1/1
  66%
49/74
 53%
38.5/72
48%
15.5/32
SmarThink 1.98 64-bit3044       50%
0.5/1
67%
33.5/50
 58%
42/72
42%
13/31
Arasan 20.4.1 64-bit3043          56%
22.5/40
52%
16.5/32
Vajolet2 2.5 64-bit3040          57%
47/82
50%
16/32
Naum 4.6 64-bit3030        59%
42.5/72
 59%
48.5/82
52%
16.5/32
Hakkapeliitta TCEC v2 64-bit3020         75%
30/40
 100%
1/1
Hakkapeliitta 3.0 64-bit2984          65%
47/72
47%
15/32
Wasp 2.6 64-bit2978          65%
26/40
58%
18.5/32
Bobcat 8.0 64-bit2960       50%
0.5/1
  71%
28.5/40
73%
23.5/32
Cheng 4.39 64-bit2942        75%
56/75
 70%
28/40
66%
21/32
Rodent III 0.232 64-bit2914        50%
0.5/1
 69%
27.5/40
 
DiscoCheck 5.2.1 64-bit2913       100%
1/1
100%
1/1
   
Delocto 0.6 64-bit2611        100%
1/1
 100%
2/2
 
Brutus 8.05 64-bit2560        100%
1/1
 100%
1/1
 
Winter 0.1.1 64-bit2481        100%
1/1
 100%
2/2
 
Matacz 1.42444        100%
1/1
 100%
1/1
 
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