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 25 engines!
25 selected engines played 0 games with each other

CCRL Blitz Rating List — Custom engine selection (Quote)

Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Computed on May 9, 2021 with Bayeselo based on 2'520'531 games
Please refer to the "about" page for comments on engine inclusion

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1RubiChess 2.0 NN-375bd 64-bit 8CPU3508+16−1642.7%+45.459.4%1099 
100.0%
 RubiChess 2.1 NN-cf8c5 64-bit3433+18−1852.5%−13.858.3%888
100.0%
 RubiChess 2.0 NN-375bd 64-bit3382+15−1537.3%+91.651.6%1368
92.0%
 RubiChess 1.7.3 64-bit 4CPU3358+28−2845.7%+29.349.2%380
82.2%
 RubiChess 1.9 64-bit3342+16−1645.8%+31.352.8%1188
100.0%
 RubiChess 1.6.1.1 64-bit 4CPU3291+14−1449.2%+4.252.5%1572
99.6%
 RubiChess 1.6 64-bit 4CPU3262+16−1646.4%+18.549.2%1216
78.9%
 RubiChess 1.8 64-bit3253+16−1649.3%+3.450.4%1245
76.9%
 RubiChess 1.7.3 64-bit3243+20−2046.2%+25.049.2%797
55.7%
 RubiChess 1.7.1 64-bit3241+18−1847.0%+17.453.7%920
99.7%
 RubiChess 1.6.1.1 64-bit3207+18−1843.6%+39.347.4%977
85.6%
 RubiChess 1.5 64-bit 4CPU3190+25−2552.5%−17.242.8%479
60.3%
 RubiChess 1.6 64-bit3185+16−1648.6%+8.747.9%1216
100.0%
 RubiChess 1.4 64-bit 4CPU3135+25−2547.9%+12.851.3%480
72.5%
 RubiChess 1.5 64-bit3126+16−1650.9%−6.444.2%1164
93.4%
 RubiChess 1.3 64-bit 4CPU3104+23−2358.7%−63.440.8%635
100.0%
 RubiChess 1.4 64-bit3050+18−1850.1%−0.643.5%931
100.0%
 RubiChess 1.3 64-bit2971+19−1952.1%−17.034.2%1019
100.0%
 RubiChess 1.1 64-bit2779+14−1455.0%−41.134.6%1686
100.0%
 RubiChess 1.0 64-bit2651+17−1747.4%+19.229.8%1171
100.0%
 RubiChess 0.9 64-bit2504+19−1952.2%−13.732.1%946
100.0%
 RubiChess 0.8 64-bit2456+15−1649.0%+7.826.5%1496
100.0%
 RubiChess 0.7 64-bit2308+24−2356.2%−42.924.2%653
100.0%
 RubiChess 0.6 64-bit2158+19−1962.1%−96.019.9%1113
100.0%
 RubiChess 0.5 64-bit1925+25−2551.5%−10.720.5%586
 

Results matrix

Custom engine selection
#NameElo12345678910111213141516171819202122232425
1RubiChess 2.0 NN-375bd 64-bit 8CPU3508                         
2RubiChess 2.1 NN-cf8c5 64-bit3433                         
3RubiChess 2.0 NN-375bd 64-bit3382                         
4RubiChess 1.7.3 64-bit 4CPU3358                         
5RubiChess 1.9 64-bit3342                         
6RubiChess 1.6.1.1 64-bit 4CPU3291                         
7RubiChess 1.6 64-bit 4CPU3262                         
8RubiChess 1.8 64-bit3253                         
9RubiChess 1.7.3 64-bit3243                         
10RubiChess 1.7.1 64-bit3241                         
11RubiChess 1.6.1.1 64-bit3207                         
12RubiChess 1.5 64-bit 4CPU3190                         
13RubiChess 1.6 64-bit3185                         
14RubiChess 1.4 64-bit 4CPU3135                         
15RubiChess 1.5 64-bit3126                         
16RubiChess 1.3 64-bit 4CPU3104                         
17RubiChess 1.4 64-bit3050                         
18RubiChess 1.3 64-bit2971                         
19RubiChess 1.1 64-bit2779                         
20RubiChess 1.0 64-bit2651                         
21RubiChess 0.9 64-bit2504                         
22RubiChess 0.8 64-bit2456                         
23RubiChess 0.7 64-bit2308                         
24RubiChess 0.6 64-bit2158                         
25RubiChess 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
#NameElo12345678910111213141516171819202122232425
1RubiChess 2.0 NN-375bd 64-bit 8CPU3508 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2RubiChess 2.1 NN-cf8c5 64-bit34330.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3RubiChess 2.0 NN-375bd 64-bit33820.00.0 92.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4RubiChess 1.7.3 64-bit 4CPU33580.00.08.0 82.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5RubiChess 1.9 64-bit33420.00.00.017.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6RubiChess 1.6.1.1 64-bit 4CPU32910.00.00.00.00.0 99.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7RubiChess 1.6 64-bit 4CPU32620.00.00.00.00.00.4 78.992.195.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
8RubiChess 1.8 64-bit32530.00.00.00.00.00.021.1 76.982.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
9RubiChess 1.7.3 64-bit32430.00.00.00.00.00.07.923.1 55.799.699.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
10RubiChess 1.7.1 64-bit32410.00.00.00.00.00.05.017.444.3 99.799.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
11RubiChess 1.6.1.1 64-bit32070.00.00.00.00.00.00.00.00.40.3 85.696.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
12RubiChess 1.5 64-bit 4CPU31900.00.00.00.00.00.00.00.00.10.114.4 60.399.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
13RubiChess 1.6 64-bit31850.00.00.00.00.00.00.00.00.00.03.639.7 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
14RubiChess 1.4 64-bit 4CPU31350.00.00.00.00.00.00.00.00.00.00.00.20.0 72.596.3100.0100.0100.0100.0100.0100.0100.0100.0100.0
15RubiChess 1.5 64-bit31260.00.00.00.00.00.00.00.00.00.00.00.00.027.5 93.4100.0100.0100.0100.0100.0100.0100.0100.0100.0
16RubiChess 1.3 64-bit 4CPU31040.00.00.00.00.00.00.00.00.00.00.00.00.03.76.6 100.0100.0100.0100.0100.0100.0100.0100.0100.0
17RubiChess 1.4 64-bit30500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
18RubiChess 1.3 64-bit29710.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0100.0
19RubiChess 1.1 64-bit27790.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
20RubiChess 1.0 64-bit26510.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
21RubiChess 0.9 64-bit25040.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
22RubiChess 0.8 64-bit24560.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0
23RubiChess 0.7 64-bit23080.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
24RubiChess 0.6 64-bit21580.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
25RubiChess 0.5 64-bit19250.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910111213141516171819202122232425
1RubiChess 2.0 NN-375bd 64-bit 8CPU3508 001440124113000000000000000000
2RubiChess 2.1 NN-cf8c5 64-bit34330 118807210016412014415000000000000000
3RubiChess 2.0 NN-375bd 64-bit338201188 012530016412014415000000000000000
4RubiChess 1.7.3 64-bit 4CPU335814400 0621537000000000000000000
5RubiChess 1.9 64-bit3342072112530 001018619677577030101900000000000
6RubiChess 1.6.1.1 64-bit 4CPU3291124006210 156400001770000000000000
7RubiChess 1.6 64-bit 4CPU32621130053701564 000089705500000000000
8RubiChess 1.8 64-bit325301641640101800 1255147513770100205780030000000
9RubiChess 1.7.3 64-bit324301201200619001255 1000822055302190000000000
10RubiChess 1.7.1 64-bit3241014414406770014751000 15050106304950030000000
11RubiChess 1.6.1.1 64-bit3207015015005770013778221505 0123505840630000000
12RubiChess 1.5 64-bit 4CPU3190000001778970000 011300000000000
13RubiChess 1.6 64-bit31850000301001002553106312350 0129305113900003000
14RubiChess 1.4 64-bit 4CPU31350000005500001130 6633366600000000
15RubiChess 1.5 64-bit31260000190005782194955840129366 19012605843303000
16RubiChess 1.3 64-bit 4CPU31040000000000000333190 274920000000
17RubiChess 1.4 64-bit3050000000000060511661260274 6410003000
18RubiChess 1.3 64-bit29710000000303303906058492641 447037000
19RubiChess 1.1 64-bit277900000000000000300447 1482123006
20RubiChess 1.0 64-bit26510000000000000030001482 383324000
21RubiChess 0.9 64-bit250400000000000000000312383 1044000
22RubiChess 0.8 64-bit245600000000000030303733241044 67790
23RubiChess 0.7 64-bit230800000000000000000000067 1620
24RubiChess 0.6 64-bit215800000000000000000000079162 400
25RubiChess 0.5 64-bit192500000000000000000060000400 
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
#NameElo12345678910111213141516171819202122232425
1RubiChess 2.0 NN-375bd 64-bit 8CPU3508 0.00.09.70.04.64.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2RubiChess 2.1 NN-cf8c5 64-bit34330.0 52.70.034.70.00.07.77.18.08.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
3RubiChess 2.0 NN-375bd 64-bit33820.052.7 0.049.00.00.06.35.56.36.40.00.00.00.00.00.00.00.00.00.00.00.00.00.0
4RubiChess 1.7.3 64-bit 4CPU33589.70.00.0 0.031.833.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
5RubiChess 1.9 64-bit33420.034.749.00.0 0.00.041.831.232.126.70.012.50.08.10.00.00.00.00.00.00.00.00.00.0
6RubiChess 1.6.1.1 64-bit 4CPU32914.60.00.031.80.0 56.10.00.00.00.08.60.00.00.00.00.00.00.00.00.00.00.00.00.0
7RubiChess 1.6 64-bit 4CPU32624.90.00.033.60.056.1 0.00.00.00.052.90.03.20.00.00.00.00.00.00.00.00.00.00.0
8RubiChess 1.8 64-bit32530.07.76.30.041.80.00.0 61.568.162.00.040.70.024.00.00.00.10.00.00.00.00.00.00.0
9RubiChess 1.7.3 64-bit32430.07.15.50.031.20.00.061.5 58.246.30.027.50.011.20.00.00.00.00.00.00.00.00.00.0
10RubiChess 1.7.1 64-bit32410.08.06.30.032.10.00.068.158.2 79.30.049.80.023.80.00.00.20.00.00.00.00.00.00.0
11RubiChess 1.6.1.1 64-bit32070.08.06.40.026.70.00.062.046.379.3 0.056.30.027.30.00.30.20.00.00.00.00.00.00.0
12RubiChess 1.5 64-bit 4CPU31900.00.00.00.00.08.652.90.00.00.00.0 0.011.80.00.00.00.00.00.00.00.00.00.00.0
13RubiChess 1.6 64-bit31850.00.00.00.012.50.00.040.727.549.856.30.0 0.054.30.023.817.40.00.00.00.10.00.00.0
14RubiChess 1.4 64-bit 4CPU31350.00.00.00.00.00.03.20.00.00.00.011.80.0 4.029.94.74.00.00.00.00.00.00.00.0
15RubiChess 1.5 64-bit31260.00.00.00.08.10.00.024.011.223.827.30.054.34.0 10.660.126.80.10.10.00.10.00.00.0
16RubiChess 1.3 64-bit 4CPU31040.00.00.00.00.00.00.00.00.00.00.00.00.029.910.6 17.55.60.00.00.00.00.00.00.0
17RubiChess 1.4 64-bit30500.00.00.00.00.00.00.00.00.00.00.30.023.84.760.117.5 32.90.00.00.00.10.00.00.0
18RubiChess 1.3 64-bit29710.00.00.00.00.00.00.00.10.00.20.20.017.44.026.85.632.9 16.50.00.20.30.00.00.0
19RubiChess 1.1 64-bit27790.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.016.5 51.90.50.10.00.00.3
20RubiChess 1.0 64-bit26510.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.051.9 18.112.10.00.00.0
21RubiChess 0.9 64-bit25040.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.518.1 42.80.00.00.0
22RubiChess 0.8 64-bit24560.00.00.00.00.00.00.00.00.00.00.00.00.10.00.10.00.10.30.112.142.8 3.13.00.0
23RubiChess 0.7 64-bit23080.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.03.1 9.20.0
24RubiChess 0.6 64-bit21580.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.03.09.2 23.5
25RubiChess 0.5 64-bit19250.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.30.00.00.00.023.5 
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 155 common opponents

Custom engine selection
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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-bit3634  14%
14.5/100
 11%
7/64
                    
Dragon by Komodo 64-bit3584  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 4CPU342561%
25.5/42
  35%
10.5/30
 23%
19/82
20%
14.5/71
                  
SlowChess Blitz Classic 2.2 64-bit 4CPU3422   47%
13.5/29
 29%
23.5/81
                   
Nemorino 6.05 64-bit3417 48%
46.5/96
47%
46.5/98
                      
SlowChess Blitz 2.5 64-bit3413 51%
50.5/99
41%
41/100
 40%
40/100
                    
Igel 3.0.0 64-bit3405 53%
52.5/99
47%
47/100
                      
Ethereal 12.75 64-bit3403 55%
53/96
42%
42.5/100
 36%
36/99
                    
RofChade 2.3 64-bit 4CPU338679%
33/42
  45%
13.5/30
                     
Laser 1.7 64-bit 4CPU3363   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-bit3360  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 4CPU3342   63%
19/30
  34%
25/73
                  
Pedone 3.0 64-bit3341 70%
69.5/100
57%
57/100
 49%
31/63
                    
Xiphos 0.6 64-bit3339 64%
64/100
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 4CPU3335   48%
14.5/30
 40%
33.5/84
32%
23/73
                  
Fire 7.1 64-bit3333       34%
21.5/63
41%
16.5/40
32%
15.5/49
37%
18.5/50
 27%
8.5/31
 50%
0.5/1
          
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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
Booot 6.3.1 64-bit 4CPU3324     51%
42.5/84
37%
27/73
                  
RofChade 2.3 64-bit3307    59%
37.5/64
  32%
20.5/64
44%
17.5/40
39%
19.5/50
               
Xiphos 0.5 64-bit3304            26%
8/31
 50%
0.5/1
          
Booot 6.4 64-bit3294    59%
38/64
  45%
29/64
38%
15/40
48%
24/50
32%
20.5/64
              
Schooner 2.1 64-bit 4CPU3285   59%
17/29
 53%
88.5/168
47%
33.5/72
                  
Defenchess 2.3 64-bit3284    59%
37.5/64
  43%
27.5/64
                 
Arasan 22.1 64-bit 4CPU3282   60%
17.5/29
 51%
32/63
                   
RofChade 2.202 64-bit3277          31%
15.5/50
 37%
11.5/31
            
Laser 1.6 64-bit 4CPU3273      50%
15/30
    43%
13/30
             
Schooner 2.2 64-bit3273    60%
36.5/61
  48%
30.5/64
46%
18.5/40
45%
22.5/50
46%
22/48
 40%
20/50
            
Arasan 22.0 64-bit 4CPU3272     54%
83.5/154
43%
38/88
                  
Laser 1.7 64-bit3272    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
          
Fritz 17 64-bit3269       53%
34/64
49%
19.5/40
47%
23.5/50
37%
18.5/50
 36%
23/64
            
Shredder 13 64-bit3269    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
          
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 4CPU3258      47%
14/30
    35%
10.5/30
             
Booot 6.2 64-bit 4CPU3255      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 4CPU3242     53%
44/83
53%
16/30
    43%
13/30
             
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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
Andscacs 0.95 64-bit3229       53%
33/62
 49%
24.5/50
45%
22.5/50
 47%
15/32
 35%
11.5/33
          
SlowChess Blitz Classic 2.0 64-bit3229         56%
28/50
49%
24.5/50
              
Hannibal 1.7 64-bit 4CPU3223      67%
20/30
    67%
20/30
             
NirvanaChess 2.4 64-bit 4CPU3221     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-bit3200            44%
14/32
 44%
14.5/33
          
Pedone 1.9 64-bit 4CPU3195      60%
18/30
    45%
13.5/30
 44%
11/25
           
Arasan 22.1 64-bit3182       64%
40.5/63
62%
25/40
                
Arasan 22.0 64-bit3179         60%
29.5/49
51%
25.5/50
 52%
26/50
            
Nemorino 5.00 64-bit 4CPU3179             38%
10/26
 44%
26.5/60
         
Senpai 2.0 64-bit 4CPU3176             46%
12/26
 38%
22.5/60
         
Pedone 2.0 64-bit3173         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 4CPU3156      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-bit3154       65%
41/63
68%
34/50
                
Stockfish 1.9.1 64-bit 4CPU3153      80%
24/30
    50%
15/30
             
Sting SF 9 64-bit 4CPU3152      72%
21.5/30
    53%
16/30
             
Arasan 21.4 64-bit3146            55%
17.5/32
 50%
0.5/1
          
Pedone 1.9 64-bit3133          50%
1/2
 56%
18/32
 47%
14.5/31
 38%
12/32
        
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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
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
       
Protector 1.9.0 64-bit 4CPU3129             54%
15/28
 50%
30/60
         
Vajolet2 2.7 64-bit3127            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-bit3115            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-bit3107            76%
22/29
 61%
19.5/32
          
Rodent III 0.276 64-bit 4CPU3105      73%
22/30
    58%
17.5/30
             
Demolito 2018-10-29 64-bit 4CPU3104           67%
20/30
 52%
14.5/28
           
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-bit3083            67%
21.5/32
 67%
21.5/32
          
chess22k 1.12 64-bit3080              55%
17.5/32
 47%
15/32
42%
13/31
       
iCE 3.0 64-bit3080             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
        
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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
Demolito 2019-10-08 64-bit3077            70%
22.5/32
 70%
28/40
          
Rybka 3 Human 64-bit 4CPU3070      78%
23.5/30
    68%
20.5/30
             
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-bit3044             75%
1.5/2
47%
8.5/18
 64%
20.5/32
        
Spike 1.4 Leiden 4CPU3039             50%
0.5/1
 54%
32.5/60
         
Naum 4.6 64-bit3030              73%
23.5/32
 44%
14/32
        
Spark 1.0 64-bit 4CPU3026             50%
1/2
 86%
6/7
         
Hakkapeliitta TCEC v2 64-bit3020              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-bit2986                62%
20/32
42%
13.5/32
       
Hiarcs 142984              61%
19.5/32
 66%
20.5/31
        
Spark 1.0 64-bit2925                 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-bit2868              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
      
Tornado 8.0 64-bit2828                 64%
20.5/32
55%
17.5/32
      
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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
Marvin 3.2.0 64-bit2827                 70%
22.5/32
41%
13/32
      
Monolith 1.0 64-bit2818                 77%
24.5/32
48%
14/29
      
Rhetoric 1.4.3 64-bit2807                 61%
19.5/32
52%
16/31
      
Ktulu 92780              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-bit2668                  69%
22/32
58%
34.5/60
     
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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
Gandalf 7 64-bit2665                  78%
25/32
47%
15/32
     
Alaric 7072662                  78%
25/32
48%
13.5/28
     
ECE X3 64-bit2655                  64%
20.5/32
36%
10/28
     
Nebula 2.0 64-bit2654                  72%
23/32
48%
13.5/28
     
Amyan 1.722604                 100%
1/1
   0%
0/1
   
Maverick 1.5 64-bit2573                   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 8.022540                   67%
21.5/32
42%
12.5/30
38%
12/32
   
Fridolin 2.00 64-bit2538                   77%
24.5/32
44%
13.5/31
38%
12/32
   
AnMon 5.752537                   62%
20/32
42%
13/31
36%
11.5/32
   
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-bit2508                    50%
16/32
38%
34.5/92
   
Little Goliath Evolution 3.122502                    61%
19.5/32
41%
26.5/64
   
Yace 0.99.872502                    55%
17.5/32
52%
33.5/64
   
Bagatur 1.5e 64-bit2484                    59%
19/32
34%
11/32
   
BBChess 1.3b 64-bit2481                    61%
19/31
52%
16.5/32
   
Topple 0.2.1 64-bit2472                  83%
2.5/3
 66%
21/32
    
NameEloRubiChess
2.0
NN-375bd
64-bit
8CPU
RubiChess
2.1
NN-cf8c5
64-bit
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
Cerebro 3.03d2470                    52%
16.5/32
58%
18.5/32
   
LittleThought 1.052 64-bit2453                    55%
45.5/82
52%
16.5/32
   
Matacz 1.42444                    57%
28.5/50
52%
14.5/28
   
SpiderChess 0706032439                    48%
23/48
50%
14/28
   
KnightDreamer 3.32393                     0%
0/1
46%
16/35
  
Barbarossa 0.4.0 64-bit2316                     71%
20.5/29
61%
21.5/35
21%
10.5/50
 
Drosophila 1.4 64-bit2238                      51%
18/35
50%
1/2
 
Joker2 0.7.7 64-bit2221                      63%
22/35
25%
0.5/2
 
Baislicka 1.0 64-bit2178                      63%
22/35
42%
12.5/30
 
Eia 0.31955                       74%
37/50
47%
14/30
Zevra 1.6.1 r512 64-bit1952                       78%
39/50
50%
15/30
Heracles 0.6.161924                       81%
40.5/50
52%
15.5/30
Eagle 0.7.51907                  100%
2/2
     41%
12/29
Clueless 1.41898                       90%
45/50
53%
16/30
Roce 0.03901852                       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%

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Rating list
Testing profile
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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:
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  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