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 20 engines!
20 selected engines played 10 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+
1Booot 6.5 64-bit 8CPU3456+19−1928.0%+143.146.9%882 
100.0%
 Booot 6.4 64-bit 4CPU3356+12−1245.9%+30.854.3%2181
100.0%
 Booot 6.3.1 64-bit 4CPU3324+12−1245.6%+29.154.9%2201
64.8%
 Booot 6.5 64-bit3319+19−1849.0%+6.251.9%860
98.8%
 Booot 6.4 64-bit3294+11−1142.3%+61.448.7%2749
100.0%
 Booot 6.2 64-bit 4CPU3255+12−1343.4%+52.548.7%2107
57.4%
 Booot 6.3.1 64-bit3254+10−1046.7%+22.649.7%3108
94.9%
 Booot 6.3 64-bit3237+17−1740.6%+62.649.8%1050
100.0%
 Booot 6.1 64-bit 4CPU3186+15−1543.7%+44.644.7%1536
98.0%
 Booot 6.2 64-bit3167+9−941.1%+69.741.6%4783
100.0%
 Booot 6.1 64-bit3085+13−1346.0%+33.536.7%2112
100.0%
 Booot 6.0.2 64-bit3040+15−1552.6%−18.046.1%1342
100.0%
 Booot 5.2.0 64-bit2921+10−1148.9%+10.234.5%3230
100.0%
 Booot 5.1.02838+11−1148.2%+14.732.0%3102
100.0%
 Booot 5.02784+15−1557.6%−57.331.3%1715
100.0%
 Booot 4.15.12668+14−1448.6%+13.028.2%2010
62.0%
 Booot 4.15.02665+12−1249.8%+3.032.6%2442
100.0%
 Booot 4.14.02611+21−2149.7%+2.031.8%758
100.0%
 Booot 4.13.12563+13−1349.0%+6.332.8%2049
100.0%
 Booot 4.12.12475+27−2842.9%+49.927.3%472
 

Results matrix

Custom engine selection
#NameElo1234567891011121314151617181920
1Booot 6.5 64-bit 8CPU3456                    
2Booot 6.4 64-bit 4CPU3356                    
3Booot 6.3.1 64-bit 4CPU3324                    
4Booot 6.5 64-bit3319                    
5Booot 6.4 64-bit3294                    
6Booot 6.2 64-bit 4CPU3255                    
7Booot 6.3.1 64-bit3254                    
8Booot 6.3 64-bit3237                    
9Booot 6.1 64-bit 4CPU3186                    
10Booot 6.2 64-bit3167                    
11Booot 6.1 64-bit3085                    
12Booot 6.0.2 64-bit3040                    
13Booot 5.2.0 64-bit2921             7 − 3
+6−2=2
+61
      
14Booot 5.1.02838            3 − 7
+2−6=2
−61
       
15Booot 5.02784                    
16Booot 4.15.12668                    
17Booot 4.15.02665                    
18Booot 4.14.02611                    
19Booot 4.13.12563                    
20Booot 4.12.12475                    
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
#NameElo1234567891011121314151617181920
1Booot 6.5 64-bit 8CPU3456 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Booot 6.4 64-bit 4CPU33560.0 100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Booot 6.3.1 64-bit 4CPU33240.00.0 64.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Booot 6.5 64-bit33190.00.135.2 98.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Booot 6.4 64-bit32940.00.00.01.2 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Booot 6.2 64-bit 4CPU32550.00.00.00.00.0 57.494.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7Booot 6.3.1 64-bit32540.00.00.00.00.042.6 94.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
8Booot 6.3 64-bit32370.00.00.00.00.05.05.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
9Booot 6.1 64-bit 4CPU31860.00.00.00.00.00.00.00.0 98.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
10Booot 6.2 64-bit31670.00.00.00.00.00.00.00.01.9 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
11Booot 6.1 64-bit30850.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
12Booot 6.0.2 64-bit30400.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
13Booot 5.2.0 64-bit29210.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0
14Booot 5.1.028380.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
15Booot 5.027840.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
16Booot 4.15.126680.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 62.0100.0100.0100.0
17Booot 4.15.026650.00.00.00.00.00.00.00.00.00.00.00.00.00.00.038.0 100.0100.0100.0
18Booot 4.14.026110.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
19Booot 4.13.125630.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
20Booot 4.12.124750.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011121314151617181920
1Booot 6.5 64-bit 8CPU3456 0000000000000000000
2Booot 6.4 64-bit 4CPU33560 137101055940012000000000000
3Booot 6.3.1 64-bit 4CPU332401371 008050016600000000000
4Booot 6.5 64-bit3319000 121804941620186112000000000
5Booot 6.4 64-bit3294010501218 012203530381114000000000
6Booot 6.2 64-bit 4CPU3255059480500 00135900000000000
7Booot 6.3.1 64-bit325400049412200 117901415240996000000
8Booot 6.3 64-bit323700016235301179 0217039511300000000
9Booot 6.1 64-bit 4CPU3186012016600135900 00000000000
10Booot 6.2 64-bit31670001863810141521700 207972720296336000
11Booot 6.1 64-bit3085000112114024039502079 11913691011233000
12Booot 6.0.2 64-bit3040000000911307271191 126041513400000
13Booot 5.2.0 64-bit29210000009002023691260 157923027151000
14Booot 5.1.02838000000600961014151579 1442103412491846430
15Booot 5.027840000000003121342301442 236522164121173249
16Booot 4.15.126680000000003302710342365 30974681344346
17Booot 4.15.02665000000000630151124922163097 8511480408
18Booot 4.14.026110000000000000184412468851 5350
19Booot 4.13.12563000000000000064117313441480535 598
20Booot 4.12.124750000000000000302493464080598 
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
#NameElo1234567891011121314151617181920
1Booot 6.5 64-bit 8CPU3456 0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2Booot 6.4 64-bit 4CPU33560.0 31.30.02.113.90.00.03.20.00.00.00.00.00.00.00.00.00.00.0
3Booot 6.3.1 64-bit 4CPU33240.031.3 0.00.018.70.00.04.40.00.00.00.00.00.00.00.00.00.00.0
4Booot 6.5 64-bit33190.00.00.0 33.70.012.48.50.03.33.80.00.00.00.00.00.00.00.00.0
5Booot 6.4 64-bit32940.02.10.033.7 0.020.89.30.05.12.30.00.00.00.00.00.00.00.00.0
6Booot 6.2 64-bit 4CPU32550.013.918.70.00.0 0.00.037.30.00.00.00.00.00.00.00.00.00.00.0
7Booot 6.3.1 64-bit32540.00.00.012.420.80.0 28.40.017.94.60.20.10.10.00.00.00.00.00.0
8Booot 6.3 64-bit32370.00.00.08.59.30.028.4 0.037.212.54.70.00.00.00.00.00.00.00.0
9Booot 6.1 64-bit 4CPU31860.03.24.40.00.037.30.00.0 0.00.00.00.00.00.00.00.00.00.00.0
10Booot 6.2 64-bit31670.00.00.03.35.10.017.937.20.0 30.211.92.51.20.00.00.10.00.00.0
11Booot 6.1 64-bit30850.00.00.03.82.30.04.612.50.030.2 34.56.91.90.30.10.10.00.00.0
12Booot 6.0.2 64-bit30400.00.00.00.00.00.00.24.70.011.934.5 27.69.34.40.00.00.00.00.0
13Booot 5.2.0 64-bit29210.00.00.00.00.00.00.10.00.02.56.927.6 24.94.70.52.70.00.00.0
14Booot 5.1.028380.00.00.00.00.00.00.10.00.01.21.99.324.9 29.920.222.54.81.20.8
15Booot 5.027840.00.00.00.00.00.00.00.00.00.00.34.44.729.9 63.553.316.731.211.4
16Booot 4.15.126680.00.00.00.00.00.00.00.00.00.00.10.00.520.263.5 69.616.933.113.9
17Booot 4.15.026650.00.00.00.00.00.00.00.00.00.10.10.02.722.553.369.6 26.633.014.0
18Booot 4.14.026110.00.00.00.00.00.00.00.00.00.00.00.00.04.816.716.926.6 19.10.0
19Booot 4.13.125630.00.00.00.00.00.00.00.00.00.00.00.00.01.231.233.133.019.1 23.7
20Booot 4.12.124750.00.00.00.00.00.00.00.00.00.00.00.00.00.811.413.914.00.023.7 
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 204 common opponents

Custom engine selection
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Stockfish 12 64-bit3634 16%
6.5/41
  7%
4.5/64
               
Stockfish 9 64-bit 4CPU3544  21%
10.5/49
  10%
8.5/82
              
Houdini 6 64-bit 4CPU3516 27%
29.5/111
   17%
17.5/102
              
Stockfish 9 64-bit3481      21%
13.5/63
16%
15.5/99
 9%
17.5/201
          
Houdini 5.01 64-bit 4CPU3475     15%
9/60
  14%
7.5/52
           
Houdini 6 64-bit3443      23%
15.5/67
22%
22/99
 11%
28.5/252
          
Fire 7.1 64-bit 4CPU3425 35%
38.5/111
36%
33/92
                 
Houdini 5.01 64-bit3420         19%
9.5/51
8%
5/65
         
Stockfish 8 64-bit3420         21%
11/52
8%
5.5/66
         
Nemorino 6.05 64-bit3417   33%
21/64
27%
26.5/99
               
SlowChess Blitz 2.5 64-bit3413   36%
23/64
35%
22.5/64
               
Komodo 12 64-bit3410      25%
16.5/65
18%
17.5/97
 17%
31/185
          
RofChade 2.3 64-bit 4CPU3386 49%
54/111
43%
16/37
                 
Laser 1.7 64-bit 4CPU3363 46%
51.5/111
42%
27.5/66
                 
Igel 2.9.0 64-bit3360   44%
27.5/63
44%
43.5/99
               
Defenchess 2.2 64-bit 4CPU3354 50%
55/109
46%
26/57
                 
Fizbo 2 64-bit 4CPU3342 55%
61.5/111
49%
24.5/50
  46%
45.5/99
              
Pedone 3.0 64-bit3341   41%
26.5/64
48%
30.5/64
               
Xiphos 0.6 64-bit3339   60%
38/63
  41%
26/64
             
Andscacs 0.95 64-bit 4CPU3335 52%
57.5/111
49%
16.5/34
                 
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Fire 5 64-bit 4CPU3333     35%
21/60
  26%
13.5/52
           
Fire 7.1 64-bit3333      42%
27/65
39%
66.5/172
 21%
8.5/40
          
Deep Shredder 13 64-bit 4CPU3322     37%
22/60
  24%
12.5/52
           
Fizbo 1.9 64-bit 4CPU3318     33%
20/60
  27%
14/52
           
RofChade 2.3 64-bit3307   45%
28.5/64
50%
32/64
               
Defenchess 2.3 64-bit3284   52%
33/64
51%
32.5/64
               
RofChade 2.202 64-bit3277    53%
34/64
 46%
22.5/49
             
Schooner 2.2 64-bit 4CPU3277 64%
71.5/111
59%
89/151
                 
Schooner 2.2 64-bit3273   62%
39.5/64
56%
35.5/63
 51%
25.5/50
             
Arasan 22.0 64-bit 4CPU3272 66%
73.5/111
60%
53.5/89
                 
Laser 1.7 64-bit3272   63%
40.5/64
51%
32.5/64
 47%
29.5/63
             
Fritz 17 64-bit3269    48%
30.5/64
 48%
30.5/64
             
Shredder 13 64-bit3269   59%
36.5/62
59%
38/64
 44%
28/64
45%
45/100
 34%
51.5/150
21%
10.5/50
         
Defenchess 2.2 64-bit3267    52%
33/64
 47%
30/64
             
RubiChess 1.6 64-bit 4CPU3262  63%
46/73
  50%
15/30
              
Gull 3 64-bit 4CPU3258     46%
27.5/60
  40%
16/40
           
Equinox 3.30 64-bit 4CPU3251 67%
74.5/111
   56%
33.5/60
  45%
18/40
           
Fire 5 64-bit3251         43%
21.5/50
17%
8.5/50
         
Fizbo 2 64-bit3247    53%
33.5/63
 52%
34/65
49%
83.5/169
 41%
61.5/149
          
Chiron 4 64-bit 4CPU3242     58%
34.5/60
  48%
25/52
           
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Fizbo 1.9 64-bit3235         35%
22/63
24%
5/21
         
Critter 1.6a 64-bit 4CPU3232     55%
33/60
  40%
16/40
           
Andscacs 0.95 64-bit3229    62%
40/64
 52%
33/63
             
SlowChess Blitz Classic 2.0 64-bit3229    62%
40/64
 56%
28/50
             
Vajolet2 2.8 64-bit 4CPU3228  68%
86/127
  60%
18/30
              
Hannibal 1.7 64-bit 4CPU3223  65%
32.5/50
  58%
34.5/60
  49%
19.5/40
           
Fritz 15 64-bit 4CPU3222     55%
33/60
  50%
20/40
           
NirvanaChess 2.4 64-bit 4CPU3221  58%
29/50
  57%
51/89
              
NirvanaChess 2.3 64-bit 4CPU3210     64%
37.5/59
  40%
16/40
           
RubiChess 1.6.1.1 64-bit3207    68%
43.5/64
 70%
35/50
             
Andscacs 0.93 64-bit3202       54%
37.5/70
 47%
123/264
          
Andscacs 0.921 64-bit3200       52%
52.5/100
 45%
14.5/32
          
BlackMamba 2.0 64-bit 4CPU3195     59%
35.5/60
  56%
22.5/40
           
Gull 3 64-bit3190         54%
54.5/100
34%
8.5/25
         
Chiron 4 64-bit3163      65%
41.5/64
61%
43/71
 51%
89/176
36%
18.5/51
         
Equinox 3.30 64-bit3161       60%
43.5/73
 47%
13.5/29
46%
23/50
29%
11.5/40
        
Critter 1.6a 64-bit3156         53%
78.5/149
49%
24.5/50
37%
11.5/31
        
Strelka 5.5 64-bit3139  79%
28.5/36
  63%
38/60
  48%
19/40
           
Xiphos 0.3 64-bit3136      66%
42.5/64
  52%
26/50
          
NirvanaChess 2.4 64-bit3131      67%
2/3
  54%
27.5/51
          
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Texel 1.07 64-bit3113      50%
0.5/1
  60%
35.5/59
          
Hannibal 1.7 64-bit3110      100%
1/1
  59%
89.5/152
50%
25/50
50%
16/32
        
Rybka 4.1 64-bit3110         60%
29.5/49
53%
27/51
38%
12/32
 17%
5.5/32
      
NirvanaChess 2.3 64-bit3097         58%
29/50
58%
29/50
40%
16/40
17%
8.5/49
       
Chiron 3.01 64-bit3094          57%
28.5/50
47%
15/32
        
Texel 1.06 64-bit3094         58%
29/50
44%
23.5/54
         
Protector 1.9.0 64-bit3087      100%
1/1
  67%
33/49
55%
30.5/55
47%
23.5/50
        
Senpai 2.0 64-bit3085      100%
2/2
  72%
23/32
          
iCE 3.0 64-bit3080         72%
36/50
51%
28/55
41%
21.5/52
        
Texel 1.05 64-bit3052           44%
14/32
44%
14/32
       
Critter 0.90 64-bit3049             17%
5.5/32
11%
3.5/32
     
Defenchess 1.1f 64-bit3047      100%
1/1
  66%
19/29
          
SmarThink 1.97 64-bit3031         69%
35/51
69%
34.5/50
         
Alfil 15.7 64-bit3030          54%
27/50
48%
15.5/32
        
Naum 4.6 64-bit3030         76%
38/50
59%
29/49
59%
19/32
27%
8.5/32
       
SmarThink 1.96 64-bit3025          50%
25/50
51%
41.5/81
        
Hakkapeliitta TCEC v2 64-bit3020      100%
1/1
  75%
24/32
0%
0/1
         
Pedone 1.5 64-bit3020         65%
33/51
61%
33/54
         
Senpai 1.0 64-bit3006         100%
1/1
59%
34/58
58%
18.5/32
34%
11/32
       
Hannibal 1.3 64-bit2997            30%
3/10
41%
9/22
      
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Arasan 20.1 64-bit2995         73%
36/49
75%
24/32
         
Komodo 1.3 64-bit2993             34%
11/32
25%
8/32
     
Critter 0.80 64-bit2990              17%
5/29
16%
5/32
    
Chiron 1.5 64-bit2988            38%
11.5/30
22%
7/32
      
Pedone 1.4.1 64-bit2987           60%
31/52
32%
19.5/60
       
Fritz 132985            42%
13.5/32
24%
15.5/65
      
Hakkapeliitta 3.0 64-bit2984          50%
2/4
59%
28.5/48
47%
22.5/48
       
Hiarcs 142984           61%
19.5/32
39%
12/31
27%
8.5/32
      
Protector 1.5.0 64-bit2983            34%
11/32
15%
1.5/10
      
Rybka 2.3.2a 64-bit2977             27%
8.5/32
22%
6.5/30
 10%
3/30
   
Critter 0.70 64-bit2973               16%
5/32
15%
4.5/30
   
Komodo 1.2 64-bit2966              18%
5.5/30
9%
3/32
7%
2/30
   
Bobcat 8.0 64-bit2960         0%
0/1
72%
26.5/37
         
Deep Shredder 12 64-bit2955           63%
33/52
46%
19.5/42
31%
10/32
      
Gull 1.2 64-bit2950            29%
9/31
33%
10.5/32
      
Hannibal 1.2 64-bit2948            44%
14/32
31%
10/32
      
Cheng 4.39 64-bit2942      100%
1/1
    59%
30.5/52
52%
16.5/32
       
Gull 1.0a 64-bit2938             31%
10/32
28%
9/32
 27%
8.5/32
   
Crafty 25.2 64-bit2933         100%
1/1
79%
39.5/50
         
Spark 1.0 64-bit2925         100%
1/1
100%
1/1
64%
33.5/52
48%
20/42
40%
12.5/31
28%
9/32
     
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Spike 1.4 Leiden2919          100%
2/2
65%
13/20
45%
17.5/39
39%
12.5/32
35%
10.5/30
     
DiscoCheck 5.2.1 64-bit2913         100%
1/1
100%
4/4
70%
22.5/32
47%
15/32
       
Bobcat 7.6 64-bit2911          75%
9/12
67%
21.5/32
56%
18/32
       
Arasan 19.0.1 64-bit2902           70%
22.5/32
55%
17/31
       
Quazar 0.4 64-bit2900         75%
1.5/2
 66%
21/32
52%
21.5/41
40%
14.5/36
      
Deep Junior Yokohama 64-bit2897           69%
22/32
50%
15.5/31
       
Protector 1.4.0 64-bit2889             42%
12.5/30
31%
9.5/31
     
Deep Junior 13.3 64-bit2884            47%
14.5/31
38%
12/32
      
Thinker 5.4d Inert 64-bit2884            67%
19.5/29
41%
16.5/40
      
Thinker 5.4c Inert 64-bit2883             36%
11.5/32
40%
12/30
23%
7/30
25%
7.5/30
   
Spark 0.4 64-bit2882              38%
11/29
20%
6.5/32
27%
8/30
   
Atlas 3.80 64-bit2874          50%
0.5/1
 57%
16.5/29
       
Gaviota 1.0 64-bit2871          75%
4.5/6
60%
12/20
60%
18/30
       
DisasterArea 1.65 64-bit2868         100%
1/1
100%
1/1
         
Hannibal 1.0a 64-bit2861             44%
14/32
28%
8.5/30
30%
9/30
    
Nemo 1.0.1 64-bit2857      100%
1/1
  100%
1/1
100%
2/2
 56%
22.5/40
42%
15/36
      
Protector 1.3.5 64-bit2855             45%
14.5/32
37%
11/30
28%
8/29
69%
20/29
   
Zappa Mexico II 64-bit2846            69%
20/29
45%
14.5/32
      
MinkoChess 1.2 64-bit2842            73%
23.5/32
58%
18.5/32
      
Onno 1.2.70 64-bit2841            73%
22.5/31
61%
19.5/32
      
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Toga II 1.4.1SE2823             67%
21.5/32
 15%
4.5/30
27%
8/30
   
Tornado 4.88 64-bit2810            55%
5.5/10
65%
6.5/10
      
Scorpio 2.7.5 64-bit2804            95%
9.5/10
50%
2/4
      
Gaviota 0.86 64-bit2799            80%
8/10
59%
48/82
      
Texel 1.01 64-bit2796            67%
6/9
60%
18.5/31
      
Loop 13.6 (Loop 2007) 64-bit2795            69%
22/32
59%
19/32
      
Fruit 05/11/032792               28%
5.5/20
33%
10.5/32
   
Crafty 23.4 64-bit2781            64%
20.5/32
66%
21/32
      
Ktulu 92780         100%
1/1
  77%
24/31
61%
19.5/32
  36%
12/33
   
Bright 0.4a2779             56%
35/63
 35%
10.5/30
35%
10.5/30
   
Loop 13.6 (Loop 2007) 32-bit2775             58%
18/31
66%
19/29
22%
6.5/29
    
Scorpio 2.7 64-bit2775             64%
20.5/32
62%
7.5/12
     
The Baron 3.29 64-bit2772         100%
1/1
50%
0.5/1
         
Bright 0.5c2771            83%
7.5/9
 48%
14.5/30
33%
16.5/50
22%
6.5/30
   
MinkoChess 0.9 64-bit2770             61%
19.5/32
 42%
12.5/30
33%
10/30
   
Twisted Logic 20090922 64-bit2770             66%
21/32
55%
16.5/30
32%
9.5/30
41%
13/32
   
Frenzee 3.5.19 64-bit2768            90%
9/10
64%
81/126
      
Twisted Logic 20100131x 64-bit2768               23%
14/62
17%
5/30
   
Jonny 4.002763          100%
1/1
 75%
7.5/10
58%
36.5/63
      
Bison 9.11 64-bit2760            50%
5/10
62%
20/32
40%
12/30
 37%
11/30
   
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
BugChess2 1.9 64-bit2759      100%
1/1
     65%
6.5/10
59%
19/32
      
Crafty 23.3 64-bit2757             58%
18.5/32
65%
19.5/30
     
Scorpio 2.6 64-bit2755             59%
37/63
52%
15.5/30
50%
15/30
    
Godel 3.4.9 64-bit2741         100%
1/1
100%
1/1
         
Chronos 1.9.9 64-bit2739            85%
8.5/10
65%
20/31
68%
20.5/30
 28%
9/32
   
Spike 1.2 Turin2731             61%
19.5/32
58%
17.5/30
40%
20/50
50%
16/32
   
Crafty 23.2 64-bit2721               43%
12.5/29
30%
9/30
   
Chess Tiger 2007.12713             73%
20.5/28
  35%
11/31
25%
8/32
  
Bobcat 3.25 64-bit2712            85%
8.5/10
68%
33.5/49
      
BugChess2 1.7 64-bit2707             67%
21.5/32
67%
20/30
 52%
16.5/32
   
Naum 2.0 32-bit2699             73%
23.5/32
 58%
17.5/30
52%
15.5/30
  30%
3/10
Frenzee Feb08 64-bit2694             58%
18/31
53%
16/30
48%
14.5/30
42%
13.5/32
45%
14/31
  
Delfi 5.42683             79%
28.5/36
70%
21/30
48%
24/50
56%
28/50
   
Daydreamer 1.75 64-bit2672             72%
29/40
63%
19/30
50%
15/30
55%
16.5/30
   
BugChess2 1.6.4 64-bit2669               40%
12/30
44%
14/32
   
BugChess2 1.6.3 64-bit2668                34%
11/32
50%
15/30
  
SmarThink 1.00 32-bit2664                59%
19/32
44%
10.5/24
  
Alaric 7072662              57%
16.5/29
50%
25/50
52%
16/31
30%
7/23
38%
12/32
 
Glaurung 1.2.1 64-bit2655                  47%
14/30
40%
4/10
Colossus 2008b2641              78%
23.5/30
60%
18/30
48%
15.5/32
38%
12/32
28%
9.5/34
 
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Cyrano 0.6b17 64-bit2641              67%
19.5/29
45%
13.5/30
53%
16/30
 39%
13/33
 
Chronos 1.9.72638               50%
25/50
62%
23.5/38
   
E.T. Chess 13.01.082633             66%
21/32
70%
21/30
32%
9.5/30
47%
15/32
58%
17.5/30
41%
13/32
 
Gandalf 62627                36%
11.5/32
41%
9/22
  
Alfil 8.1.1 Optimized2625              70%
21/30
67%
20/30
75%
24/32
41%
13/32
38%
12/32
 
WildCat 82624              76%
22/29
62%
31/50
66%
20.5/31
50%
16/32
37%
12.5/34
 
Movei 00.8.438 (10 10 10)2621              68%
20.5/30
71%
35.5/50
59%
19/32
56%
13.5/24
50%
16/32
 
Sloppy 0.2.2 64-bit2616              77%
23/30
52%
15.5/30
48%
15.5/32
   
Slow Chess Blitz WV2.12614              77%
23/30
68%
20.5/30
56%
18/32
 52%
16.5/32
23%
7.5/32
Frenzee 3.0 64-bit2613                  44%
14/32
10%
1/10
Colossus 2007d2610                 58%
14/24
41%
13/32
 
Delfi 5.22608                 42%
10/24
43%
13/30
 
ProDeo 1.22608               50%
15/30
57%
17/30
   
ProDeo 1.62608                 50%
12/24
53%
17/32
 
Sloppy 0.2.0 64-bit2607                55%
17.5/32
48%
15.5/32
  
WildCat 72605                  58%
18.5/32
26%
8/31
Amyan 1.722604          50%
0.5/1
   75%
21/28
59%
29.5/50
47%
13.5/29
   
Pharaon 3.5.12603               65%
13/20
60%
18/30
 41%
13/32
 
Zappa 1.1 64-bit2603              73%
22/30
64%
18.5/29
55%
15.5/28
 41%
13/32
 
GarboChess 2.10 64-bit2598                55%
17.5/32
56%
17.5/31
  
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Lemming 0.34 64-bit2598                61%
19/31
39%
12.5/32
  
List 5.122591               62%
12.5/20
  47%
15/32
39%
12/31
N2 0.4 64-bit2591              77%
23/30
47%
14/30
68%
20.5/30
   
Ruffian 1.0.52585              77%
23/30
60%
30/50
55%
16.5/30
 50%
16/32
 
Hamsters 0.7.12578              83%
25/30
   54%
18.5/34
 
Pseudo 0.7c2573               68%
20.5/30
70%
21/30
 42%
13.5/32
45%
14.5/32
SOS 5.12571              83%
25/30
72%
36/50
  42%
13.5/32
23%
7/30
Aristarch 4.502567              90%
27/30
55%
27.5/50
58%
17.5/30
 58%
18.5/32
 
Deuterium 09.01.26.4922561              80%
24/30
85%
25.5/30
58%
17.5/30
   
Brutus 8.05 64-bit2560               62%
17.5/28
72%
21.5/30
   
Petir 4.9999992555                80%
25.5/32
 48%
15.5/32
 
The Baron 2.23 64-bit2555               82%
24.5/30
70%
22.5/32
 38%
13/34
 
Jonny 2.83 32-bit2551              79%
22/28
74%
21.5/29
50%
15/30
 42%
13.5/32
 
Arasan 11.7 64-bit2545              85%
25.5/30
77%
23/30
    
Ktulu 4.22545              85%
23/27
66%
19/29
79%
22/28
 56%
18/32
 
Ufim 8.022540              80%
21.5/27
80%
24/30
73%
23.5/32
 55%
17.5/32
32%
10/31
AnMon 5.752537              68%
20.5/30
69%
34.5/50
65%
19.5/30
   
SmarThink 0.17a2536              80%
24/30
60%
18/30
60%
17.5/29
 45%
14.5/32
 
Rotor 0.52535               60%
18/30
70%
21/30
   
Green Light Chess 3.01.2.22505         100%
1/1
     69%
20/29
62%
18.5/30
   
NameEloBooot
6.5
64-bit
8CPU
Booot
6.4
64-bit
4CPU
Booot
6.3.1
64-bit
4CPU
Booot
6.5
64-bit
Booot
6.4
64-bit
Booot
6.2
64-bit
4CPU
Booot
6.3.1
64-bit
Booot
6.3
64-bit
Booot
6.1
64-bit
4CPU
Booot
6.2
64-bit
Booot
6.1
64-bit
Booot
6.0.2
64-bit
Booot
5.2.0
64-bit
Booot
5.1.0
Booot
5.0
Booot
4.15.1
Booot
4.15.0
Booot
4.14.0
Booot
4.13.1
Booot
4.12.1
Little Goliath Evolution 3.122502                70%
43.5/62
 55%
35.5/64
40%
11.5/29
Yace 0.99.872502                67%
20/30
 61%
19.5/32
 
Trace 1.37a2499              76%
22/29
 73%
45/62
 50%
16/32
51%
20.5/40
Bruja 1.9.1 64-bit2490              92%
27.5/30
   67%
21.5/32
 
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 May 9, 2021