CCRL Blitz
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 2'515'858 games
played by 2'996 programs

White wins: 966'865 (38.4%)
Black wins: 774'272 (30.8%)
Draws: 774'721 (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 1, 2021 with Bayeselo based on 2'515'858 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%+144.046.9%882 
100.0%
 Booot 6.4 64-bit 4CPU3357+12−1245.9%+30.554.3%2181
100.0%
 Booot 6.3.1 64-bit 4CPU3324+12−1245.6%+29.854.9%2201
62.8%
 Booot 6.5 64-bit3320+19−1946.7%+19.852.6%764
98.6%
 Booot 6.4 64-bit3295+11−1142.3%+61.248.7%2749
100.0%
 Booot 6.2 64-bit 4CPU3256+13−1343.4%+52.148.7%2107
57.1%
 Booot 6.3.1 64-bit3254+10−1046.7%+23.249.7%3108
94.9%
 Booot 6.3 64-bit3238+17−1740.6%+62.349.8%1050
100.0%
 Booot 6.1 64-bit 4CPU3187+15−1543.7%+44.244.7%1536
98.0%
 Booot 6.2 64-bit3168+9−941.1%+69.441.6%4783
100.0%
 Booot 6.1 64-bit3085+13−1346.0%+34.136.7%2112
100.0%
 Booot 6.0.2 64-bit3040+15−1552.6%−17.346.1%1342
100.0%
 Booot 5.2.0 64-bit2922+11−1148.9%+9.734.5%3230
100.0%
 Booot 5.1.02839+11−1148.2%+14.332.0%3102
100.0%
 Booot 5.02784+15−1557.6%−56.731.3%1715
100.0%
 Booot 4.15.12668+14−1448.6%+13.728.2%2010
62.0%
 Booot 4.15.02665+12−1249.8%+3.732.6%2442
100.0%
 Booot 4.14.02612+21−2149.7%+1.631.8%758
100.0%
 Booot 4.13.12564+13−1349.0%+6.032.8%2049
100.0%
 Booot 4.12.12475+27−2842.9%+50.727.3%472
 

Results matrix

Custom engine selection
#NameElo1234567891011121314151617181920
1Booot 6.5 64-bit 8CPU3456                    
2Booot 6.4 64-bit 4CPU3357                    
3Booot 6.3.1 64-bit 4CPU3324                    
4Booot 6.5 64-bit3320                    
5Booot 6.4 64-bit3295                    
6Booot 6.2 64-bit 4CPU3256                    
7Booot 6.3.1 64-bit3254                    
8Booot 6.3 64-bit3238                    
9Booot 6.1 64-bit 4CPU3187                    
10Booot 6.2 64-bit3168                    
11Booot 6.1 64-bit3085                    
12Booot 6.0.2 64-bit3040                    
13Booot 5.2.0 64-bit2922             7 − 3
+6−2=2
+61
      
14Booot 5.1.02839            3 − 7
+2−6=2
−61
       
15Booot 5.02784                    
16Booot 4.15.12668                    
17Booot 4.15.02665                    
18Booot 4.14.02612                    
19Booot 4.13.12564                    
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 4CPU33570.0 100.099.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Booot 6.3.1 64-bit 4CPU33240.00.0 62.899.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Booot 6.5 64-bit33200.00.237.2 98.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Booot 6.4 64-bit32950.00.00.11.4 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Booot 6.2 64-bit 4CPU32560.00.00.00.00.0 57.194.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7Booot 6.3.1 64-bit32540.00.00.00.00.042.9 94.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
8Booot 6.3 64-bit32380.00.00.00.00.05.25.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
9Booot 6.1 64-bit 4CPU31870.00.00.00.00.00.00.00.0 98.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
10Booot 6.2 64-bit31680.00.00.00.00.00.00.00.02.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
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-bit29220.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0
14Booot 5.1.028390.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
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 4.14.026120.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
19Booot 4.13.125640.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
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 4CPU33570 137101055940012000000000000
3Booot 6.3.1 64-bit 4CPU332401371 008050016600000000000
4Booot 6.5 64-bit3320000 121804941620186112000000000
5Booot 6.4 64-bit3295010501218 012203530381114000000000
6Booot 6.2 64-bit 4CPU3256059480500 00135900000000000
7Booot 6.3.1 64-bit325400049412200 117901415240996000000
8Booot 6.3 64-bit323800016235301179 0217039511300000000
9Booot 6.1 64-bit 4CPU3187012016600135900 00000000000
10Booot 6.2 64-bit31680001863810141521700 207972720296336000
11Booot 6.1 64-bit3085000112114024039502079 11913691011233000
12Booot 6.0.2 64-bit3040000000911307271191 126041513400000
13Booot 5.2.0 64-bit29220000009002023691260 157923027151000
14Booot 5.1.02839000000600961014151579 1442103412491846430
15Booot 5.027840000000003121342301442 236522164121173249
16Booot 4.15.126680000000003302710342365 30974681344346
17Booot 4.15.02665000000000630151124922163097 8511480408
18Booot 4.14.026120000000000000184412468851 5350
19Booot 4.13.12564000000000000064117313441480535 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 4CPU33570.0 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-bit33200.00.00.0 34.70.012.88.90.03.43.90.00.00.00.00.00.00.00.00.0
5Booot 6.4 64-bit32950.02.10.034.7 0.020.89.30.05.12.30.00.00.00.00.00.00.00.00.0
6Booot 6.2 64-bit 4CPU32560.013.918.70.00.0 0.00.037.30.00.00.00.00.00.00.00.00.00.00.0
7Booot 6.3.1 64-bit32540.00.00.012.820.80.0 28.40.017.94.60.20.10.10.00.00.00.00.00.0
8Booot 6.3 64-bit32380.00.00.08.99.30.028.4 0.037.212.54.70.00.00.00.00.00.00.00.0
9Booot 6.1 64-bit 4CPU31870.03.24.40.00.037.30.00.0 0.00.00.00.00.00.00.00.00.00.00.0
10Booot 6.2 64-bit31680.00.00.03.45.10.017.937.20.0 30.211.92.51.20.00.00.10.00.00.0
11Booot 6.1 64-bit30850.00.00.03.92.30.04.612.50.030.2 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-bit29220.00.00.00.00.00.00.10.00.02.56.927.6 24.94.70.52.70.00.00.0
14Booot 5.1.028390.00.00.00.00.00.00.10.00.01.21.99.324.9 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 4.14.026120.00.00.00.00.00.00.00.00.00.00.00.00.04.816.716.926.6 19.10.0
19Booot 4.13.125640.00.00.00.00.00.00.00.00.00.00.00.00.01.231.233.133.019.1 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-bit3635 16%
6.5/41
  7%
4.5/64
               
Stockfish 9 64-bit 4CPU3545  21%
10.5/49
  10%
8.5/82
              
Houdini 6 64-bit 4CPU3517 27%
29.5/111
   17%
17.5/102
              
Stockfish 9 64-bit3482      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 4CPU3426 35%
38.5/111
36%
33/92
                 
Houdini 5.01 64-bit3421         19%
9.5/51
8%
5/65
         
Stockfish 8 64-bit3421         21%
11/52
8%
5.5/66
         
Nemorino 6.05 64-bit3420   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 4CPU3387 49%
54/111
43%
16/37
                 
Laser 1.7 64-bit 4CPU3364 46%
51.5/111
42%
27.5/66
                 
Igel 2.9.0 64-bit3361   44%
27.5/63
44%
43.5/99
               
Defenchess 2.2 64-bit 4CPU3354 50%
55/109
46%
26/57
                 
Fizbo 2 64-bit 4CPU3343 55%
61.5/111
49%
24.5/50
  46%
45.5/99
              
Pedone 3.0 64-bit3343   41%
26.5/64
48%
30.5/64
               
Xiphos 0.6 64-bit3341   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 4CPU3334     35%
21/60
  26%
13.5/52
           
Fire 7.1 64-bit3334      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 4CPU3319     33%
20/60
  27%
14/52
           
RofChade 2.3 64-bit3308   45%
28.5/64
50%
32/64
               
Defenchess 2.3 64-bit3287   52%
33/64
51%
32.5/64
               
Schooner 2.2 64-bit 4CPU3278 64%
71.5/111
59%
89/151
                 
RofChade 2.202 64-bit3277    53%
34/64
 46%
22.5/49
             
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-bit3270    48%
30.5/64
 48%
30.5/64
             
Shredder 13 64-bit3270   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-bit3268    52%
33/64
 47%
30/64
             
RubiChess 1.6 64-bit 4CPU3263  63%
46/73
  50%
15/30
              
Gull 3 64-bit 4CPU3259     46%
27.5/60
  40%
16/40
           
Fire 5 64-bit3252         43%
21.5/50
17%
8.5/50
         
Equinox 3.30 64-bit 4CPU3251 67%
74.5/111
   56%
33.5/60
  45%
18/40
           
Fizbo 2 64-bit3248    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-bit3236         35%
22/63
24%
5/21
         
Critter 1.6a 64-bit 4CPU3232     55%
33/60
  40%
16/40
           
Andscacs 0.95 64-bit3230    62%
40/64
 52%
33/63
             
SlowChess Blitz Classic 2.0 64-bit3229    62%
40/64
 56%
28/50
             
Vajolet2 2.8 64-bit 4CPU3229  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 4CPU3222  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-bit3208    68%
43.5/64
 70%
35/50
             
Andscacs 0.93 64-bit3203       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 4CPU3196     59%
35.5/60
  56%
22.5/40
           
Gull 3 64-bit3191         54%
54.5/100
34%
8.5/25
         
Chiron 4 64-bit3164      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-bit3140  79%
28.5/36
  63%
38/60
  48%
19/40
           
Xiphos 0.3 64-bit3137      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-bit3114      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-bit3095          57%
28.5/50
47%
15/32
        
Texel 1.06 64-bit3095         58%
29/50
44%
23.5/54
         
Protector 1.9.0 64-bit3088      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-bit3081         72%
36/50
51%
28/55
41%
21.5/52
        
Texel 1.05 64-bit3053           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
          
Alfil 15.7 64-bit3031          54%
27/50
48%
15.5/32
        
Naum 4.6 64-bit3031         76%
38/50
59%
29/49
59%
19/32
27%
8.5/32
       
SmarThink 1.97 64-bit3031         69%
35/51
69%
34.5/50
         
SmarThink 1.96 64-bit3026          50%
25/50
51%
41.5/81
        
Hakkapeliitta TCEC v2 64-bit3021      100%
1/1
  75%
24/32
0%
0/1
         
Pedone 1.5 64-bit3021         65%
33/51
61%
33/54
         
Senpai 1.0 64-bit3007         100%
1/1
59%
34/58
58%
18.5/32
34%
11/32
       
Hannibal 1.3 64-bit2998            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-bit2996         73%
36/49
75%
24/32
         
Komodo 1.3 64-bit2993             34%
11/32
25%
8/32
     
Critter 0.80 64-bit2991              17%
5/29
16%
5/32
    
Chiron 1.5 64-bit2989            38%
11.5/30
22%
7/32
      
Pedone 1.4.1 64-bit2988           60%
31/52
32%
19.5/60
       
Fritz 132986            42%
13.5/32
24%
15.5/65
      
Hiarcs 142985           61%
19.5/32
39%
12/31
27%
8.5/32
      
Hakkapeliitta 3.0 64-bit2984          50%
2/4
59%
28.5/48
47%
22.5/48
       
Protector 1.5.0 64-bit2984            34%
11/32
15%
1.5/10
      
Rybka 2.3.2a 64-bit2978             27%
8.5/32
22%
6.5/30
 10%
3/30
   
Critter 0.70 64-bit2974               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-bit2961         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-bit2951            29%
9/31
33%
10.5/32
      
Hannibal 1.2 64-bit2949            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-bit2926         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 Leiden2920          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-bit2903           70%
22.5/32
55%
17/31
       
Quazar 0.4 64-bit2901         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-bit2875          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-bit2869         100%
1/1
100%
1/1
         
Hannibal 1.0a 64-bit2862             44%
14/32
28%
8.5/30
30%
9/30
    
Nemo 1.0.1 64-bit2858      100%
1/1
  100%
1/1
100%
2/2
 56%
22.5/40
42%
15/36
      
Protector 1.3.5 64-bit2856             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-bit2842            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 1.4.1SE2824             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-bit2797            67%
6/9
60%
18.5/31
      
Loop 13.6 (Loop 2007) 64-bit2796            69%
22/32
59%
19/32
      
Fruit 05/11/032792               28%
5.5/20
33%
10.5/32
   
Crafty 23.4 64-bit2782            64%
20.5/32
66%
21/32
      
Ktulu 92781         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-bit2773         100%
1/1
50%
0.5/1
         
Bright 0.5c2772            83%
7.5/9
 48%
14.5/30
33%
16.5/50
22%
6.5/30
   
MinkoChess 0.9 64-bit2771             61%
19.5/32
 42%
12.5/30
33%
10/30
   
Twisted Logic 20090922 64-bit2771             66%
21/32
55%
16.5/30
32%
9.5/30
41%
13/32
   
Frenzee 3.5.19 64-bit2769            90%
9/10
64%
81/126
      
Twisted Logic 20100131x 64-bit2769               23%
14/62
17%
5/30
   
Jonny 4.002763          100%
1/1
 75%
7.5/10
58%
36.5/63
      
Bison 9.11 64-bit2761            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-bit2760      100%
1/1
     65%
6.5/10
59%
19/32
      
Crafty 23.3 64-bit2758             58%
18.5/32
65%
19.5/30
     
Scorpio 2.6 64-bit2756             59%
37/63
52%
15.5/30
50%
15/30
    
Godel 3.4.9 64-bit2742         100%
1/1
100%
1/1
         
Chronos 1.9.9 64-bit2740            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
   
Bobcat 3.25 64-bit2713            85%
8.5/10
68%
33.5/49
      
Chess Tiger 2007.12713             73%
20.5/28
  35%
11/31
25%
8/32
  
BugChess2 1.7 64-bit2707             67%
21.5/32
67%
20/30
 52%
16.5/32
   
Naum 2.0 32-bit2700             73%
23.5/32
 58%
17.5/30
52%
15.5/30
  30%
3/10
Frenzee Feb08 64-bit2695             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-bit2673             72%
29/40
63%
19/30
50%
15/30
55%
16.5/30
   
BugChess2 1.6.4 64-bit2670               40%
12/30
44%
14/32
   
BugChess2 1.6.3 64-bit2669                34%
11/32
50%
15/30
  
SmarThink 1.00 32-bit2664                59%
19/32
44%
10.5/24
  
Alaric 7072663              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 2008b2642              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 1.9.72639               50%
25/50
62%
23.5/38
   
E.T. Chess 13.01.082634             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 Optimized2626              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)2622              68%
20.5/30
71%
35.5/50
59%
19/32
56%
13.5/24
50%
16/32
 
Sloppy 0.2.2 64-bit2617              77%
23/30
52%
15.5/30
48%
15.5/32
   
Slow Chess Blitz WV2.12615              77%
23/30
68%
20.5/30
56%
18/32
 52%
16.5/32
23%
7.5/32
Frenzee 3.0 64-bit2614                  44%
14/32
10%
1/10
Colossus 2007d2611                 58%
14/24
41%
13/32
 
Delfi 5.22609                 42%
10/24
43%
13/30
 
ProDeo 1.22609               50%
15/30
57%
17/30
   
ProDeo 1.62609                 50%
12/24
53%
17/32
 
Sloppy 0.2.0 64-bit2607                55%
17.5/32
48%
15.5/32
  
WildCat 72606                  58%
18.5/32
26%
8/31
Amyan 1.722605          50%
0.5/1
   75%
21/28
59%
29.5/50
47%
13.5/29
   
Pharaon 3.5.12604               65%
13/20
60%
18/30
 41%
13/32
 
Zappa 1.1 64-bit2604              73%
22/30
64%
18.5/29
55%
15.5/28
 41%
13/32
 
Lemming 0.34 64-bit2599                61%
19/31
39%
12.5/32
  
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
GarboChess 2.10 64-bit2598                55%
17.5/32
56%
17.5/31
  
List 5.122592               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 1.0.52586              77%
23/30
60%
30/50
55%
16.5/30
 50%
16/32
 
Hamsters 0.7.12579              83%
25/30
   54%
18.5/34
 
Pseudo 0.7c2574               68%
20.5/30
70%
21/30
 42%
13.5/32
45%
14.5/32
SOS 5.12572              83%
25/30
72%
36/50
  42%
13.5/32
23%
7/30
Aristarch 4.502568              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 4.9999992556                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-bit2552              79%
22/28
74%
21.5/29
50%
15/30
 42%
13.5/32
 
Arasan 11.7 64-bit2546              85%
25.5/30
77%
23/30
    
Ktulu 4.22545              85%
23/27
66%
19/29
79%
22/28
 56%
18/32
 
Ufim 8.022541              80%
21.5/27
80%
24/30
73%
23.5/32
 55%
17.5/32
32%
10/31
AnMon 5.752538              68%
20.5/30
69%
34.5/50
65%
19.5/30
   
SmarThink 0.17a2537              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 3.01.2.22506         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 3.122503                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 1, 2021