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 24 engines!
24 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+
1RubiChess 2.0 NN-375bd 64-bit 8CPU3511+19−1945.7%+28.658.8%779 
100.0%
 RubiChess 2.0 NN-375bd 64-bit3377+18−1836.5%+98.851.9%997
83.1%
 RubiChess 1.7.3 64-bit 4CPU3360+28−2845.7%+28.849.2%380
86.6%
 RubiChess 1.9 64-bit3341+16−1645.8%+30.652.8%1188
100.0%
 RubiChess 1.6.1.1 64-bit 4CPU3292+14−1449.2%+4.152.5%1572
99.6%
 RubiChess 1.6 64-bit 4CPU3263+16−1646.4%+18.149.2%1216
80.0%
 RubiChess 1.8 64-bit3253+16−1649.3%+3.750.4%1245
76.5%
 RubiChess 1.7.3 64-bit3244+20−2046.2%+24.649.2%797
56.1%
 RubiChess 1.7.1 64-bit3242+18−1847.0%+16.653.7%920
99.6%
 RubiChess 1.6.1.1 64-bit3207+18−1843.6%+39.747.4%977
85.5%
 RubiChess 1.5 64-bit 4CPU3190+25−2552.5%−16.642.8%479
60.4%
 RubiChess 1.6 64-bit3186+16−1648.6%+8.247.9%1216
100.0%
 RubiChess 1.4 64-bit 4CPU3136+25−2547.9%+12.551.3%480
73.0%
 RubiChess 1.5 64-bit3126+16−1650.9%−6.144.2%1164
93.2%
 RubiChess 1.3 64-bit 4CPU3105+23−2358.7%−63.840.8%635
100.0%
 RubiChess 1.4 64-bit3050+18−1850.1%−0.143.5%931
100.0%
 RubiChess 1.3 64-bit2971+19−1952.1%−16.834.2%1019
100.0%
 RubiChess 1.1 64-bit2780+14−1455.0%−41.734.6%1686
100.0%
 RubiChess 1.0 64-bit2651+17−1747.4%+19.529.8%1171
100.0%
 RubiChess 0.9 64-bit2504+19−1952.2%−13.232.1%946
100.0%
 RubiChess 0.8 64-bit2456+15−1549.0%+8.326.5%1496
100.0%
 RubiChess 0.7 64-bit2309+24−2356.2%−43.224.2%653
100.0%
 RubiChess 0.6 64-bit2158+19−1962.1%−95.219.9%1113
100.0%
 RubiChess 0.5 64-bit1925+25−2551.5%−10.520.5%586
 

Results matrix

Custom engine selection
#NameElo123456789101112131415161718192021222324
1RubiChess 2.0 NN-375bd 64-bit 8CPU3511                        
2RubiChess 2.0 NN-375bd 64-bit3377                        
3RubiChess 1.7.3 64-bit 4CPU3360                        
4RubiChess 1.9 64-bit3341                        
5RubiChess 1.6.1.1 64-bit 4CPU3292                        
6RubiChess 1.6 64-bit 4CPU3263                        
7RubiChess 1.8 64-bit3253                        
8RubiChess 1.7.3 64-bit3244                        
9RubiChess 1.7.1 64-bit3242                        
10RubiChess 1.6.1.1 64-bit3207                        
11RubiChess 1.5 64-bit 4CPU3190                        
12RubiChess 1.6 64-bit3186                        
13RubiChess 1.4 64-bit 4CPU3136                        
14RubiChess 1.5 64-bit3126                        
15RubiChess 1.3 64-bit 4CPU3105                        
16RubiChess 1.4 64-bit3050                        
17RubiChess 1.3 64-bit2971                        
18RubiChess 1.1 64-bit2780                        
19RubiChess 1.0 64-bit2651                        
20RubiChess 0.9 64-bit2504                        
21RubiChess 0.8 64-bit2456                        
22RubiChess 0.7 64-bit2309                        
23RubiChess 0.6 64-bit2158                        
24RubiChess 0.5 64-bit1925                        
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
#NameElo123456789101112131415161718192021222324
1RubiChess 2.0 NN-375bd 64-bit 8CPU3511 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2RubiChess 2.0 NN-375bd 64-bit33770.0 83.199.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3RubiChess 1.7.3 64-bit 4CPU33600.016.9 86.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4RubiChess 1.9 64-bit33410.00.213.4 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5RubiChess 1.6.1.1 64-bit 4CPU32920.00.00.00.0 99.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6RubiChess 1.6 64-bit 4CPU32630.00.00.00.00.3 80.092.495.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7RubiChess 1.8 64-bit32530.00.00.00.00.020.0 76.582.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
8RubiChess 1.7.3 64-bit32440.00.00.00.00.07.623.5 56.199.699.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
9RubiChess 1.7.1 64-bit32420.00.00.00.00.04.717.443.9 99.699.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
10RubiChess 1.6.1.1 64-bit32070.00.00.00.00.00.00.00.40.4 85.596.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
11RubiChess 1.5 64-bit 4CPU31900.00.00.00.00.00.00.00.10.114.5 60.499.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
12RubiChess 1.6 64-bit31860.00.00.00.00.00.00.00.00.03.639.6 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
13RubiChess 1.4 64-bit 4CPU31360.00.00.00.00.00.00.00.00.00.00.20.0 73.096.4100.0100.0100.0100.0100.0100.0100.0100.0100.0
14RubiChess 1.5 64-bit31260.00.00.00.00.00.00.00.00.00.00.00.027.0 93.2100.0100.0100.0100.0100.0100.0100.0100.0100.0
15RubiChess 1.3 64-bit 4CPU31050.00.00.00.00.00.00.00.00.00.00.00.03.66.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0
16RubiChess 1.4 64-bit30500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
17RubiChess 1.3 64-bit29710.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0
18RubiChess 1.1 64-bit27800.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
19RubiChess 1.0 64-bit26510.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
20RubiChess 0.9 64-bit25040.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
21RubiChess 0.8 64-bit24560.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0
22RubiChess 0.7 64-bit23090.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
23RubiChess 0.6 64-bit21580.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
24RubiChess 0.5 64-bit19250.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112131415161718192021222324
1RubiChess 2.0 NN-375bd 64-bit 8CPU3511 01440124113000000000000000000
2RubiChess 2.0 NN-375bd 64-bit33770 012530016412014415000000000000000
3RubiChess 1.7.3 64-bit 4CPU33601440 0621537000000000000000000
4RubiChess 1.9 64-bit3341012530 001018619677577030101900000000000
5RubiChess 1.6.1.1 64-bit 4CPU329212406210 156400001770000000000000
6RubiChess 1.6 64-bit 4CPU3263113053701564 000089705500000000000
7RubiChess 1.8 64-bit325301640101800 1255147513770100205780030000000
8RubiChess 1.7.3 64-bit324401200619001255 1000822055302190000000000
9RubiChess 1.7.1 64-bit3242014406770014751000 15050106304950030000000
10RubiChess 1.6.1.1 64-bit3207015005770013778221505 0123505840630000000
11RubiChess 1.5 64-bit 4CPU319000001778970000 011300000000000
12RubiChess 1.6 64-bit3186000301001002553106312350 0129305113900003000
13RubiChess 1.4 64-bit 4CPU3136000005500001130 6633366600000000
14RubiChess 1.5 64-bit3126000190005782194955840129366 19012605843303000
15RubiChess 1.3 64-bit 4CPU3105000000000000333190 274920000000
16RubiChess 1.4 64-bit305000000000060511661260274 6410003000
17RubiChess 1.3 64-bit2971000000303303906058492641 447037000
18RubiChess 1.1 64-bit27800000000000000300447 1482123006
19RubiChess 1.0 64-bit2651000000000000030001482 383324000
20RubiChess 0.9 64-bit25040000000000000000312383 1044000
21RubiChess 0.8 64-bit24560000000000030303733241044 67790
22RubiChess 0.7 64-bit23090000000000000000000067 1620
23RubiChess 0.6 64-bit21580000000000000000000079162 400
24RubiChess 0.5 64-bit19250000000000000000060000400 
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
#NameElo123456789101112131415161718192021222324
1RubiChess 2.0 NN-375bd 64-bit 8CPU3511 0.012.40.05.35.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2RubiChess 2.0 NN-375bd 64-bit33770.0 0.057.30.00.07.36.77.57.60.00.00.00.00.00.00.00.00.00.00.00.00.00.0
3RubiChess 1.7.3 64-bit 4CPU336012.40.0 0.031.833.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
4RubiChess 1.9 64-bit33410.057.30.0 0.00.041.831.232.126.70.012.50.08.10.00.00.00.00.00.00.00.00.00.0
5RubiChess 1.6.1.1 64-bit 4CPU32925.30.031.80.0 56.10.00.00.00.08.60.00.00.00.00.00.00.00.00.00.00.00.00.0
6RubiChess 1.6 64-bit 4CPU32635.70.033.60.056.1 0.00.00.00.052.90.03.20.00.00.00.00.00.00.00.00.00.00.0
7RubiChess 1.8 64-bit32530.07.30.041.80.00.0 61.568.162.00.040.70.024.00.00.00.10.00.00.00.00.00.00.0
8RubiChess 1.7.3 64-bit32440.06.70.031.20.00.061.5 58.246.30.027.50.011.20.00.00.00.00.00.00.00.00.00.0
9RubiChess 1.7.1 64-bit32420.07.50.032.10.00.068.158.2 79.30.049.80.023.80.00.00.20.00.00.00.00.00.00.0
10RubiChess 1.6.1.1 64-bit32070.07.60.026.70.00.062.046.379.3 0.056.30.027.30.00.30.20.00.00.00.00.00.00.0
11RubiChess 1.5 64-bit 4CPU31900.00.00.00.08.652.90.00.00.00.0 0.011.80.00.00.00.00.00.00.00.00.00.00.0
12RubiChess 1.6 64-bit31860.00.00.012.50.00.040.727.549.856.30.0 0.054.30.023.817.40.00.00.00.10.00.00.0
13RubiChess 1.4 64-bit 4CPU31360.00.00.00.00.03.20.00.00.00.011.80.0 4.029.94.74.00.00.00.00.00.00.00.0
14RubiChess 1.5 64-bit31260.00.00.08.10.00.024.011.223.827.30.054.34.0 10.660.126.80.10.10.00.10.00.00.0
15RubiChess 1.3 64-bit 4CPU31050.00.00.00.00.00.00.00.00.00.00.00.029.910.6 17.55.60.00.00.00.00.00.00.0
16RubiChess 1.4 64-bit30500.00.00.00.00.00.00.00.00.00.30.023.84.760.117.5 32.90.00.00.00.10.00.00.0
17RubiChess 1.3 64-bit29710.00.00.00.00.00.00.10.00.20.20.017.44.026.85.632.9 16.50.00.20.30.00.00.0
18RubiChess 1.1 64-bit27800.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.016.5 51.90.50.10.00.00.3
19RubiChess 1.0 64-bit26510.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.051.9 18.112.10.00.00.0
20RubiChess 0.9 64-bit25040.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.518.1 42.80.00.00.0
21RubiChess 0.8 64-bit24560.00.00.00.00.00.00.00.00.00.00.00.10.00.10.00.10.30.112.142.8 3.13.00.0
22RubiChess 0.7 64-bit23090.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.03.1 9.20.0
23RubiChess 0.6 64-bit21580.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.03.09.2 23.5
24RubiChess 0.5 64-bit19250.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.30.00.00.00.023.5 
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 153 common opponents

Custom engine selection
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Stockfish 12 64-bit3633 14%
14.5/100
 11%
7/64
                    
Dragon by Komodo 64-bit3580 20%
19.5/100
 10%
6/63
                    
Nemorino 6.00 64-bit3438   37%
23.5/64
  24%
15/63
                 
Ethereal 11.75 64-bit 4CPU3427    32%
26.5/83
31%
22/71
                  
Fire 7.1 64-bit 4CPU342661%
25.5/42
 35%
10.5/30
 23%
19/82
20%
14.5/71
                  
SlowChess Blitz Classic 2.2 64-bit 4CPU3423  47%
13.5/29
 29%
23.5/81
                   
SlowChess Blitz 2.5 64-bit3405 41%
41/100
 40%
40/100
                    
Ethereal 12.75 64-bit3396 42%
42.5/100
 36%
36/99
                    
RofChade 2.3 64-bit 4CPU338979%
33/42
 45%
13.5/30
                     
Laser 1.7 64-bit 4CPU3365  47%
14/30
 35%
29/83
36%
26/72
                  
Komodo 14 MCTS 64-bit3361       28%
11/40
27%
17/63
               
Igel 2.9.0 64-bit3359 55%
55/100
 48%
47.5/100
                    
Defenchess 2.2 64-bit 4CPU3354  47%
14/30
 39%
32.5/83
32%
23/73
                  
Fizbo 2 64-bit 4CPU3343  63%
19/30
  34%
25/73
                  
Pedone 3.0 64-bit3341 57%
57/100
 49%
31/63
                    
Xiphos 0.6 64-bit3340 60%
60/100
 52%
33/64
  38%
24/64
32%
13/40
34%
16.5/48
25%
12.5/50
              
Andscacs 0.95 64-bit 4CPU3336  48%
14.5/30
 40%
33.5/84
32%
23/73
                  
Fire 7.1 64-bit3334      34%
21.5/63
41%
16.5/40
32%
15.5/49
37%
18.5/50
 27%
8.5/31
 50%
0.5/1
          
Booot 6.3.1 64-bit 4CPU3324    51%
42.5/84
37%
27/73
                  
RofChade 2.3 64-bit3306   59%
37.5/64
  32%
20.5/64
44%
17.5/40
39%
19.5/50
               
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Xiphos 0.5 64-bit3305           26%
8/31
 50%
0.5/1
          
Booot 6.4 64-bit3295   59%
38/64
  45%
29/64
38%
15/40
48%
24/50
32%
20.5/64
              
Arasan 22.1 64-bit 4CPU3287  60%
17.5/29
 51%
32/63
                   
Schooner 2.1 64-bit 4CPU3286  59%
17/29
 53%
88.5/168
47%
33.5/72
                  
Defenchess 2.3 64-bit3283   59%
37.5/64
  43%
27.5/64
                 
RofChade 2.202 64-bit3277         31%
15.5/50
 37%
11.5/31
            
Laser 1.6 64-bit 4CPU3274     50%
15/30
    43%
13/30
             
Laser 1.7 64-bit3274   66%
41.5/63
  46%
29.5/64
36%
14.5/40
35%
17.5/50
39%
19.5/50
 36%
11.5/32
 28%
9/32
          
Arasan 22.0 64-bit 4CPU3273    54%
83.5/154
43%
38/88
                  
Schooner 2.2 64-bit3272   60%
36.5/61
  48%
30.5/64
46%
18.5/40
45%
22.5/50
46%
22/48
 40%
20/50
            
Shredder 13 64-bit3270   61%
38.5/63
  47%
30/64
46%
18.5/40
40%
20/50
47%
23.5/50
 38%
12/32
 17%
5.5/32
          
Fritz 17 64-bit3269      53%
34/64
49%
19.5/40
47%
23.5/50
37%
18.5/50
 36%
23/64
            
Defenchess 2.2 64-bit3267      41%
26/64
36%
14.5/40
45%
22.5/50
49%
24.5/50
 31%
10/32
            
Andscacs 0.88 64-bit 4CPU3259     47%
14/30
    35%
10.5/30
             
Booot 6.2 64-bit 4CPU3256     50%
15/30
    37%
11/30
             
Booot 6.3.1 64-bit3254         30%
15/50
 44%
14/32
 27%
8.5/32
          
Fizbo 2 64-bit3247      53%
34/64
54%
21.5/40
51%
25.5/50
42%
21/50
 39%
12.5/32
 27%
8.5/32
          
Chiron 4 64-bit 4CPU3243    53%
44/83
53%
16/30
    43%
13/30
             
SlowChess Blitz Classic 2.0 64-bit3229        56%
28/50
49%
24.5/50
              
Andscacs 0.95 64-bit3228      53%
33/62
 49%
24.5/50
45%
22.5/50
 47%
15/32
 35%
11.5/33
          
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Hannibal 1.7 64-bit 4CPU3223     67%
20/30
    67%
20/30
             
NirvanaChess 2.4 64-bit 4CPU3222    58%
48.5/84
57%
16/28
    38%
11/29
             
Equinox 3.20 64-bit 4CPU3215     55%
16.5/30
    45%
13.5/30
             
Schooner 2.1 64-bit3201           44%
14/32
 44%
14.5/33
          
Pedone 1.9 64-bit 4CPU3196     60%
18/30
    45%
13.5/30
 44%
11/25
           
Arasan 22.1 64-bit3183      64%
40.5/63
62%
25/40
                
Nemorino 5.00 64-bit 4CPU3180            38%
10/26
 44%
26.5/60
         
Arasan 22.0 64-bit3179        60%
29.5/49
51%
25.5/50
 52%
26/50
            
Senpai 2.0 64-bit 4CPU3177            46%
12/26
 38%
22.5/60
         
Pedone 2.0 64-bit3174        58%
28/48
52%
26/50
 49%
24.5/50
            
Chiron 4 64-bit3163      59%
37.5/64
 67%
33.5/50
58%
29/50
 60%
18.5/31
 34%
11/32
  0%
0/1
       
Critter 1.01 64-bit 4CPU3157     68%
20.5/30
    50%
15/30
             
Critter 1.6a 64-bit3156      64%
41/64
 68%
33.5/49
62%
31/50
 59%
19/32
 48%
15.5/32
          
Wasp 4.0 64-bit3155      65%
41/63
68%
34/50
                
Sting SF 9 64-bit 4CPU3153     72%
21.5/30
    53%
16/30
             
Stockfish 1.9.1 64-bit 4CPU3153     80%
24/30
    50%
15/30
             
Arasan 21.4 64-bit3146           55%
17.5/32
 50%
0.5/1
          
Pedone 1.9 64-bit3134         50%
1/2
 56%
18/32
 47%
14.5/31
 38%
12/32
        
Arasan 21.3 64-bit3132             48%
15/31
 34%
11/32
        
NirvanaChess 2.4 64-bit3131           58%
18.5/32
 41%
13/32
 38%
12/32
23%
7.5/32
       
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Protector 1.9.0 64-bit 4CPU3130            54%
15/28
 50%
30/60
         
Vajolet2 2.7 64-bit3128           47%
15/32
 48%
15/31
 44%
14/32
        
Wasp 3.75 64-bit3125           60%
18.5/31
 39%
12.5/32
          
Nemorino 5.00 64-bit3116           59%
19/32
 64%
20.5/32
 37%
11.5/31
33%
11/33
       
Texel 1.07 64-bit3113           61%
19.5/32
 58%
18.5/32
 34%
11/32
20%
6.5/32
       
Hannibal 1.7 64-bit3110           61%
19.5/32
 50%
16/32
 41%
13/32
23%
7.5/33
       
Rybka 4.1 64-bit3110             45%
14/31
 42%
13.5/32
44%
14/32
       
iCE 4.0 64-bit3109           76%
22/29
 61%
19.5/32
          
Demolito 2018-10-29 64-bit 4CPU3105          67%
20/30
 52%
14.5/28
           
Rodent III 0.276 64-bit 4CPU3105     73%
22/30
    58%
17.5/30
             
Demolito 2019-05-05 64-bit3092             48%
15.5/32
 39%
12.5/32
        
Protector 1.9.0 64-bit3087           66%
21/32
 58%
19/33
 44%
14/32
28%
9/32
   0%
0/1
   
Senpai 2.0 64-bit3085           61%
19.5/32
 67%
21.5/32
 42%
13.5/32
32%
10.5/33
       
Arasan 20.0 64-bit 4CPU3084     78%
23.5/30
    58%
17.5/30
             
chess22k 1.13 64-bit3084           67%
21.5/32
 67%
21.5/32
          
chess22k 1.12 64-bit3081             55%
17.5/32
 47%
15/32
42%
13/31
       
iCE 3.0 64-bit3081            61%
17/28
62%
20/32
59%
35.5/60
48%
15.5/32
38%
12/32
       
Wasp 3.60 64-bit3079             66%
21/32
 32%
10/31
        
Demolito 2019-10-08 64-bit3078           70%
22.5/32
 70%
28/40
          
Rybka 3 Human 64-bit 4CPU3070     78%
23.5/30
    68%
20.5/30
             
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Naum 4 64-bit 4CPU3061     87%
26/30
    82%
24.5/30
             
Defenchess 1.1f 64-bit3047             52%
16/31
 55%
17/31
        
SmarThink 1.98 64-bit3045            75%
1.5/2
47%
8.5/18
 64%
20.5/32
        
Spike 1.4 Leiden 4CPU3040            50%
0.5/1
 54%
32.5/60
         
Naum 4.6 64-bit3031             73%
23.5/32
 44%
14/32
        
Spark 1.0 64-bit 4CPU3027            50%
1/2
 86%
6/7
         
Hakkapeliitta TCEC v2 64-bit3021             100%
1/1
57%
33.5/59
41%
13/32
        
Rodent III 0.287 64-bit3005             75%
24/32
 61%
19.5/32
        
Deuterium 2019.1.36.50 64-bit2999             62%
20/32
59%
35.5/60
58%
18/31
        
Pirarucu 2.9.5 64-bit2987               62%
20/32
42%
13.5/32
       
Hiarcs 142984             61%
19.5/32
 66%
20.5/31
        
Spark 1.0 64-bit2926                100%
1/1
   0%
0/1
   
Scorpio 2.8 64-bit2903                100%
1/1
27%
6.5/24
      
Gaviota 1.0 64-bit2871                66%
21/32
  0%
0/1
    
DisasterArea 1.65 64-bit2869             50%
0.5/1
  69%
22/32
       
Zappa Mexico II 64-bit2846                53%
17/32
58%
18.5/32
      
Onno 1.2.70 64-bit2841                70%
22.5/32
33%
10.5/32
      
Marvin 3.2.0 64-bit2828                70%
22.5/32
41%
13/32
      
Tornado 8.0 64-bit2828                64%
20.5/32
55%
17.5/32
      
Monolith 1.0 64-bit2818                77%
24.5/32
48%
14/29
      
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Rhetoric 1.4.3 64-bit2807                61%
19.5/32
52%
16/31
      
Ktulu 92781             100%
1/1
94%
7.5/8
         
Octochess r5190 64-bit2780                84%
27/32
59%
19/32
      
Bright 0.5c2771                 52%
16.5/32
45%
14.5/32
     
Twisted Logic 20090922 64-bit2770                 64%
20.5/32
38%
12/32
     
Pawny 1.2 64-bit2766                 52%
16.5/32
27%
8.5/32
     
Jonny 4.002763             100%
1/1
   58%
18.5/32
30%
18/60
     
Gogobello 1.4 64-bit2755                 60%
33/55
27%
8.5/32
     
Chronos 1.9.9 64-bit2739                 64%
20.5/32
30%
8.5/28
     
Shield 2.1 64-bit2739                 54%
30/56
35%
21/60
     
Cheese 1.9 64-bit2731                 49%
27.5/56
33%
20/60
 0%
0/1
   
Chess Tiger 2007.12713                 55%
17.5/32
30%
9.5/32
0%
0/1
    
Devel 2.00002713                 62%
34.5/56
46%
27.5/60
     
GreKo 2018.08 64-bit2709                 57%
32/56
36%
11.5/32
     
Counter 2.9 64-bit2702                 61%
34/56
44%
13.5/31
     
Arminius 2017-01-01 64-bit2688                 50%
16/32
41%
13/32
     
Delfi 5.42683                 58%
18.5/32
47%
15/32
     
RedQueen 1.1.98 64-bit2669                 69%
22/32
58%
34.5/60
     
Gandalf 7 64-bit2665                 78%
25/32
47%
15/32
     
Alaric 7072663                 78%
25/32
48%
13.5/28
     
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
ECE X3 64-bit2655                 64%
20.5/32
36%
10/28
     
Nebula 2.0 64-bit2655                 72%
23/32
48%
13.5/28
     
Amyan 1.722604                100%
1/1
   0%
0/1
   
Maverick 1.5 64-bit2572                  64%
20.5/32
 100%
1/1
   
Brutus 8.05 64-bit2560                  80%
25.5/32
45%
14.5/32
    
Anaconda 2.0.12545                  61%
19.5/32
 22%
6.5/30
   
Ufim 8.022541                  67%
21.5/32
42%
12.5/30
38%
12/32
   
AnMon 5.752538                  62%
20/32
42%
13/31
36%
11.5/32
   
Fridolin 2.00 64-bit2538                  77%
24.5/32
44%
13.5/31
38%
12/32
   
Leela Chess 0.10 w323 64-bit2537                   69%
22/32
58%
18/31
   
Hermann 2.8 64-bit2531                  69%
22/32
45%
14.5/32
36%
11.5/32
   
Orion 0.5 64-bit2513                  67%
21.5/32
52%
16.5/32
    
Coiled 0.4 64-bit2509                   50%
16/32
38%
34.5/92
   
Little Goliath Evolution 3.122503                   61%
19.5/32
41%
26.5/64
   
Yace 0.99.872503                   55%
17.5/32
52%
33.5/64
   
Bagatur 1.5e 64-bit2485                   59%
19/32
34%
11/32
   
BBChess 1.3b 64-bit2482                   61%
19/31
52%
16.5/32
   
Topple 0.2.1 64-bit2472                 83%
2.5/3
 66%
21/32
    
Cerebro 3.03d2470                   52%
16.5/32
58%
18.5/32
   
LittleThought 1.052 64-bit2452                   55%
45.5/82
52%
16.5/32
   
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.0
NN-375bd
64-bit
RubiChess
1.7.3
64-bit
4CPU
RubiChess
1.9
64-bit
RubiChess
1.6.1.1
64-bit
4CPU
RubiChess
1.6
64-bit
4CPU
RubiChess
1.8
64-bit
RubiChess
1.7.3
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.4
64-bit
4CPU
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.1
64-bit
RubiChess
1.0
64-bit
RubiChess
0.9
64-bit
RubiChess
0.8
64-bit
RubiChess
0.7
64-bit
RubiChess
0.6
64-bit
RubiChess
0.5
64-bit
Matacz 1.42445                   57%
28.5/50
52%
14.5/28
   
SpiderChess 0706032439                   48%
23/48
50%
14/28
   
KnightDreamer 3.32395                    0%
0/1
46%
16/35
  
Barbarossa 0.4.0 64-bit2317                    71%
20.5/29
61%
21.5/35
21%
10.5/50
 
Drosophila 1.4 64-bit2239                     51%
18/35
50%
1/2
 
Joker2 0.7.7 64-bit2222                     63%
22/35
25%
0.5/2
 
Baislicka 1.0 64-bit2179                     63%
22/35
42%
12.5/30
 
Eia 0.31955                      74%
37/50
47%
14/30
Zevra 1.6.1 r512 64-bit1953                      78%
39/50
50%
15/30
Heracles 0.6.161925                      81%
40.5/50
52%
15.5/30
Eagle 0.7.51911                 100%
2/2
     41%
12/29
Clueless 1.41901                      90%
45/50
53%
16/30
Roce 0.03901853                      87%
43.5/50
57%
17/30
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