CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 24 engines!
24 selected engines played 60 games with each other

CCRL 40/15 Rating List — Custom engine selection (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on May 1, 2021 with Bayeselo based on 1'240'737 games
Please refer to the "about" page for comments on engine inclusion

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1RubiChess 2.1 64-bit 4CPU3411+27−2747.9%+14.269.2%360 
99.9%
 RubiChess 2.0 64-bit 4CPU3356+20−2042.4%+47.369.8%666
89.6%
 RubiChess 2.1 64-bit3330+33−3441.1%+56.162.1%248
96.8%
 RubiChess 1.8 64-bit 4CPU3292+19−1937.9%+73.561.1%808
60.7%
 RubiChess 1.7.3 64-bit 4CPU3288+20−2048.3%+10.062.4%736
76.3%
 RubiChess 2.0 64-bit3278+16−1640.2%+68.256.2%1176
91.5%
 RubiChess 1.9 64-bit3263+14−1546.2%+28.154.0%1460
99.2%
 RubiChess 1.6 64-bit 4CPU3226+25−2559.5%−58.350.9%466
98.7%
 RubiChess 1.7.3 64-bit3190+17−1750.7%−2.952.6%1040
57.6%
 RubiChess 1.8 64-bit3188+20−2046.0%+28.148.2%785
85.7%
 RubiChess 1.7.1 64-bit3172+22−2249.3%+4.356.1%592
58.3%
 RubiChess 1.6.1 64-bit3168+23−2352.8%−16.956.5%550
64.3%
 RubiChess 1.5 64-bit 4CPU3161+29−2952.4%−14.054.3%348
55.6%
 RubiChess 1.6 64-bit3159+19−1958.7%−60.250.3%865
100.0%
 RubiChess 1.5 64-bit3109+20−2048.6%+5.458.6%741
99.8%
 RubiChess 1.3 64-bit 4CPU3065+22−2252.8%−17.544.2%642
97.7%
 RubiChess 1.4 64-bit3036+17−1748.3%+9.350.1%994
100.0%
 RubiChess 1.3 64-bit2980+21−2152.7%−20.639.0%765
100.0%
 RubiChess 1.2.1 64-bit2908+19−1951.7%−12.242.2%909
100.0%
 RubiChess 1.1 64-bit2774+20−2050.7%−6.240.8%829
100.0%
 RubiChess 1.0 64-bit2614+21−2145.6%+27.738.6%779
100.0%
 RubiChess 0.9 64-bit2554+22−2251.9%−17.733.0%718
100.0%
 RubiChess 0.8 64-bit2460+26−2652.4%−19.734.8%503
100.0%
 RubiChess 0.7 64-bit2302+23−2354.5%−33.826.5%683
 

Results matrix

Custom engine selection
#NameElo123456789101112131415161718192021222324
1RubiChess 2.1 64-bit 4CPU3411                        
2RubiChess 2.0 64-bit 4CPU3356                        
3RubiChess 2.1 64-bit3330                        
4RubiChess 1.8 64-bit 4CPU3292                        
5RubiChess 1.7.3 64-bit 4CPU3288                        
6RubiChess 2.0 64-bit3278                        
7RubiChess 1.9 64-bit3263                        
8RubiChess 1.6 64-bit 4CPU3226                        
9RubiChess 1.7.3 64-bit3190                        
10RubiChess 1.8 64-bit3188                        
11RubiChess 1.7.1 64-bit3172                        
12RubiChess 1.6.1 64-bit3168                        
13RubiChess 1.5 64-bit 4CPU3161                        
14RubiChess 1.6 64-bit3159                        
15RubiChess 1.5 64-bit3109                        
16RubiChess 1.3 64-bit 4CPU3065                        
17RubiChess 1.4 64-bit3036                        
18RubiChess 1.3 64-bit2980                        
19RubiChess 1.2.1 64-bit2908                        
20RubiChess 1.1 64-bit2774                    44.5 − 15.5
+31−2=27
−7
   
21RubiChess 1.0 64-bit2614                   15.5 − 44.5
+2−31=27
+7
    
22RubiChess 0.9 64-bit2554                        
23RubiChess 0.8 64-bit2460                        
24RubiChess 0.7 64-bit2302                        
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 2.1 64-bit 4CPU3411 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2RubiChess 2.0 64-bit 4CPU33560.1 89.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3RubiChess 2.1 64-bit33300.010.4 96.897.999.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4RubiChess 1.8 64-bit 4CPU32920.00.03.2 60.784.198.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5RubiChess 1.7.3 64-bit 4CPU32880.00.02.139.3 76.397.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6RubiChess 2.0 64-bit32780.00.00.315.923.6 91.599.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7RubiChess 1.9 64-bit32630.00.00.01.42.98.5 99.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
8RubiChess 1.6 64-bit 4CPU32260.00.00.00.00.00.10.8 98.798.999.999.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
9RubiChess 1.7.3 64-bit31900.00.00.00.00.00.00.01.3 57.690.593.595.299.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
10RubiChess 1.8 64-bit31880.00.00.00.00.00.00.01.142.4 85.789.892.898.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
11RubiChess 1.7.1 64-bit31720.00.00.00.00.00.00.00.19.514.3 58.370.880.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
12RubiChess 1.6.1 64-bit31680.00.00.00.00.00.00.00.16.510.241.7 64.373.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
13RubiChess 1.5 64-bit 4CPU31610.00.00.00.00.00.00.00.04.87.229.235.7 55.699.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
14RubiChess 1.6 64-bit31590.00.00.00.00.00.00.00.00.81.919.326.544.4 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
15RubiChess 1.5 64-bit31090.00.00.00.00.00.00.00.00.00.00.00.00.20.0 99.8100.0100.0100.0100.0100.0100.0100.0100.0
16RubiChess 1.3 64-bit 4CPU30650.00.00.00.00.00.00.00.00.00.00.00.00.00.00.2 97.7100.0100.0100.0100.0100.0100.0100.0
17RubiChess 1.4 64-bit30360.00.00.00.00.00.00.00.00.00.00.00.00.00.00.02.3 100.0100.0100.0100.0100.0100.0100.0
18RubiChess 1.3 64-bit29800.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
19RubiChess 1.2.1 64-bit29080.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
20RubiChess 1.1 64-bit27740.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
21RubiChess 1.0 64-bit26140.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0
22RubiChess 0.9 64-bit25540.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0100.0
23RubiChess 0.8 64-bit24600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
24RubiChess 0.7 64-bit23020.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112131415161718192021222324
1RubiChess 2.1 64-bit 4CPU3411 73601807209400000000000000000
2RubiChess 2.0 64-bit 4CPU3356736 051025606800000000000000000
3RubiChess 2.1 64-bit333000 007444980606040240400000000000
4RubiChess 1.8 64-bit 4CPU32921805100 8320000000000000000000
5RubiChess 1.7.3 64-bit 4CPU3288722560832 00000009400000000000
6RubiChess 2.0 64-bit32780074400 146104093501446002200000000000
7RubiChess 1.9 64-bit32639468498001461 0768961372330060272000000000
8RubiChess 1.6 64-bit 4CPU32260000000 0000546006900000000
9RubiChess 1.7.3 64-bit31900060004097680 643694498071818901320000000
10RubiChess 1.8 64-bit31880060003509610643 464349056372000000000
11RubiChess 1.7.1 64-bit31720040001443720694464 61404081120120000000
12RubiChess 1.6.1 64-bit3168002400603300498349614 05662000546000000
13RubiChess 1.5 64-bit 4CPU3161000094005460000 0013800000000
14RubiChess 1.6 64-bit315900400022060207185634085660 572017238000000
15RubiChess 1.5 64-bit3109000000720189721122000572 05462085903030
16RubiChess 1.3 64-bit 4CPU3065000000069000013800 12122200000
17RubiChess 1.4 64-bit30360000000013201254017254612 62924740000
18RubiChess 1.3 64-bit298000000000000603820812629 3911700000
19RubiChess 1.2.1 64-bit290800000000000000592224391 44230000
20RubiChess 1.1 64-bit2774000000000000000074170442 30016200
21RubiChess 1.0 64-bit261400000000000000300030300 237870
22RubiChess 0.9 64-bit25540000000000000000000162237 31639
23RubiChess 0.8 64-bit24600000000000000030000087316 127
24RubiChess 0.7 64-bit230200000000000000000000039127 
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 2.1 64-bit 4CPU3411 71.70.015.46.60.05.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2RubiChess 2.0 64-bit 4CPU335671.7 0.034.618.30.03.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
3RubiChess 2.1 64-bit33300.00.0 0.00.052.229.20.04.75.84.83.00.03.60.00.00.00.00.00.00.00.00.00.0
4RubiChess 1.8 64-bit 4CPU329215.434.60.0 53.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
5RubiChess 1.7.3 64-bit 4CPU32886.618.30.053.9 0.00.00.00.00.00.00.08.70.00.00.00.00.00.00.00.00.00.00.0
6RubiChess 2.0 64-bit32780.00.052.20.00.0 55.40.018.517.88.13.50.010.80.00.00.00.00.00.00.00.00.00.0
7RubiChess 1.9 64-bit32635.23.229.20.00.055.4 0.030.742.818.116.40.025.93.30.00.00.00.00.00.00.00.00.0
8RubiChess 1.6 64-bit 4CPU32260.00.00.00.00.00.00.0 0.00.00.00.067.10.00.06.20.00.00.00.00.00.00.00.0
9RubiChess 1.7.3 64-bit31900.00.04.70.00.018.530.70.0 35.242.531.30.037.710.60.06.50.00.00.00.00.00.00.0
10RubiChess 1.8 64-bit31880.00.05.80.00.017.842.80.035.2 33.726.10.034.14.70.00.00.00.00.00.00.00.00.0
11RubiChess 1.7.1 64-bit31720.00.04.80.00.08.118.10.042.533.7 53.80.028.08.40.00.80.00.00.00.00.00.00.0
12RubiChess 1.6.1 64-bit31680.00.03.00.00.03.516.40.031.326.153.8 0.040.015.50.03.50.50.00.00.00.00.00.0
13RubiChess 1.5 64-bit 4CPU31610.00.00.00.08.70.00.067.10.00.00.00.0 0.00.013.90.00.00.00.00.00.00.00.0
14RubiChess 1.6 64-bit31590.00.03.60.00.010.825.90.037.734.128.040.00.0 35.60.09.32.30.00.00.00.00.00.0
15RubiChess 1.5 64-bit31090.00.00.00.00.00.03.30.010.64.78.415.50.035.6 0.031.513.83.60.00.20.00.20.0
16RubiChess 1.3 64-bit 4CPU30650.00.00.00.00.00.00.06.20.00.00.00.013.90.00.0 0.70.91.40.00.00.00.00.0
17RubiChess 1.4 64-bit30360.00.00.00.00.00.00.00.06.50.00.83.50.09.331.50.7 35.81.34.10.00.00.00.0
18RubiChess 1.3 64-bit29800.00.00.00.00.00.00.00.00.00.00.00.50.02.313.80.935.8 23.410.70.00.00.00.0
19RubiChess 1.2.1 64-bit29080.00.00.00.00.00.00.00.00.00.00.00.00.00.03.61.41.323.4 25.41.80.00.00.0
20RubiChess 1.1 64-bit27740.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.04.110.725.4 18.710.50.00.0
21RubiChess 1.0 64-bit26140.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.00.00.01.818.7 15.86.80.0
22RubiChess 0.9 64-bit25540.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.010.515.8 25.92.8
23RubiChess 0.8 64-bit24600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.00.00.00.00.06.825.9 10.7
24RubiChess 0.7 64-bit23020.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.02.810.7 
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 211 common opponents

Custom engine selection
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Stockfish 13 64-bit 4CPU354929%
3.5/12
25%
8/32
                      
ShashChess 15.0 64-bit 4CPU353033%
4/12
25%
8/32
 12%
4/32
                    
Fat Fritz 2 (in SF) 64-bit 4CPU352521%
2.5/12
17%
5.5/32
                      
SugaR AI 1.00 64-bit 4CPU351933%
4/12
22%
7/32
                      
Stockfish 2021-01-11 64-bit3516  30%
6/20
  20%
10.5/52
                  
Fat Fritz 2 (in SF) 64-bit3509  27%
6/22
  16%
8.5/52
10%
5/52
                 
Dragon by Komodo 64-bit 4CPU349734%
17/50
25%
12.5/50
                      
SugaR AI 1.00 64-bit3492  22%
4.5/20
  17%
9.5/56
17%
9/52
                 
Stockfish 2019-10-09 64-bit 4CPU3490   17%
5.5/32
22%
7/32
                   
ShashChess 15.0 64-bit3483  25%
5/20
  17%
10/58
14%
8/56
                 
Stockfish 12 64-bit3477     25%
1/4
15%
8.5/56
                 
Dragon by Komodo 64-bit3473  18%
4/22
  21%
11/52
22%
11.5/52
                 
SugaR NN 1.1 64-bit 4CPU3470   30%
9.5/32
23%
7.5/32
                   
ShashChess 8.0 64-bit 4CPU3442   31%
10/32
23%
7.5/32
                   
Stockfish 2019-12-10 64-bit3442        19%
6/32
  0%
0/4
            
Stockfish 11 64-bit3434         10%
5/50
 25%
1/4
            
SugaR XPro NN 1.0 64-bit3416      30%
17/56
 12%
0.5/4
  38%
1.5/4
            
Komodo 14 64-bit 4CPU3415   30%
9.5/32
30%
9.5/32
                   
ShashChess 11.0 64-bit3403        23%
7.5/32
  0%
0/4
            
Igel 3.0.0 64-bit 4CPU340151%
25.5/50
47%
15/32
                      
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Houdini 6 64-bit 4CPU339838%
4.5/12
45%
14.5/32
 23%
7.5/32
36%
11.5/32
                   
SlowChess Blitz 2.5 64-bit 4CPU339650%
6/12
38%
12/32
                      
Ethereal 12.75 64-bit 4CPU339246%
5.5/12
41%
13/32
 28%
8.5/30
                    
SugaR NN 1.1 64-bit3390        16%
5/32
     14%
2.5/18
         
Fire 8 64-bit 4CPU338562%
31/50
54%
27/50
                      
Nemorino 6.00 64-bit 4CPU338450%
6/12
53%
17/32
 39%
12.5/32
                    
Ethereal 12.25 64-bit 4CPU3362   39%
12.5/32
38%
12/32
                   
Komodo 13.2.5 MCTS 64-bit 4CPU3361   42%
13.5/32
34%
11/32
                   
Nemorino 6.00 64-bit3343  48%
9.5/20
  34%
19/56
44%
29/66
                 
Komodo 14 64-bit3340         24%
12/50
21%
19/90
             
Booot 6.5 64-bit 4CPU333662%
7.5/12
45%
14.5/32
                      
Lc0 0.27.0 w703810 64-bit 4CPU333664%
38.5/60
57%
19.5/34
    50%
17/34
                 
Houdini 6 64-bit3335  52%
10.5/20
  39%
20.5/52
38%
20/52
                 
Xiphos 0.6 64-bit 4CPU333067%
8/12
55%
17.5/32
 42%
13.5/32
47%
15/32
                   
SlowChess Blitz 2.5 64-bit3329  50%
10/20
  46%
27.5/60
                  
SlowChess Blitz Classic 2.2 64-bit 4CPU3327   41%
13/32
44%
14/32
                   
Igel 3.0.0 64-bit3321  60%
12/20
  48%
20/42
                  
Ethereal 12.75 64-bit3320  50%
11/22
  46%
27.5/60
41%
23/56
                 
Fire 7.1 64-bit 4CPU3320 52%
16.5/32
 34%
11/32
42%
13.5/32
                   
RofChade 2.3 64-bit 4CPU3311 48%
15.5/32
 42%
13.5/32
44%
14/32
                   
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Pedone 3.0 64-bit 4CPU3303 55%
17.5/32
 47%
15/32
                    
Booot 6.4 64-bit 4CPU3297   55%
17.5/32
53%
17/32
                   
Komodo 14 MCTS 64-bit3297        38%
3/8
26%
13/50
              
Ethereal 12.25 64-bit3291        33%
14.5/44
 30%
15/50
             
Laser 1.7 64-bit 4CPU3286   47%
15/32
50%
16/32
                   
Igel 2.9.0 64-bit3272     54%
32.5/60
46%
24/52
                 
Ethereal 12.00 64-bit3264          40%
8/20
25%
1/4
            
Ethereal 11.75 64-bit3260           38%
1.5/4
 30%
6/20
          
Komodo 10 64-bit3259        34%
11/32
    25%
5/20
          
Booot 6.5 64-bit3258  57%
12.5/22
  49%
27.5/56
                  
Fire 7.1 64-bit3258     49%
25/51
41%
21.5/52
 38%
15/40
28%
14/50
 38%
3/8
 32%
6.5/20
          
Xiphos 0.6 64-bit3253  55%
11/20
  62%
37.5/60
49%
27.5/56
 39%
17/44
31%
17/54
38%
7.5/20
38%
3/8
 28%
5.5/20
          
Pedone 3.0 64-bit3244     53%
29.5/56
53%
27.5/52
                 
RofChade 2.3 64-bit3240     59%
33/56
50%
28/56
 44%
19.5/44
50%
2/4
35%
8.5/24
             
Booot 6.4 64-bit3238     60%
35/58
48%
27/56
 34%
15/44
43%
23/53
   25%
7.5/30
          
Arasan 21.4 64-bit 4CPU3215    61%
19.5/32
       43%
6/14
           
Booot 6.2 64-bit 4CPU3215       50%
15/30
    40%
6/15
           
Laser 1.6 64-bit 4CPU3215       63%
19/30
    33%
5/15
           
Andscacs 0.88 64-bit 4CPU3211       47%
14/30
    27%
4/15
           
Laser 1.7 64-bit3206      55%
28.5/52
 45%
18/40
48%
29/61
54%
13/24
48%
13.5/28
 45%
9/20
          
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
RofChade 2.202 64-bit3204           45%
19/42
 42%
10/24
          
SlowChess Blitz Classic 2.1 64-bit3203          50%
12/24
39%
11/28
            
Defenchess 2.2 64-bit3202     50%
2/4
59%
30.5/52
 62%
5/8
48%
25.5/53
44%
10.5/24
38%
10.5/28
 46%
11/24
          
Schooner 2.2 64-bit3202      63%
35.5/56
 75%
3/4
46%
26.5/58
38%
10.5/28
48%
20/42
 46%
11/24
          
Booot 6.3.1 64-bit3199           40%
9.5/24
 55%
11/20
25%
5/20
         
Schooner 2.0.34 64-bit 4CPU3198            25%
1/4
  27%
8.5/32
        
Shredder 13 64-bit3198      62%
32.5/52
 62%
2.5/4
               
Fizbo 2 64-bit3196      61%
31.5/52
 88%
3.5/4
61%
30.5/50
   42%
8.5/20
48%
9.5/20
         
Fritz 17 64-bit3191      63%
33/52
 62%
2.5/4
62%
2.5/4
   42%
8.5/20
          
Chiron 4 64-bit 4CPU3188       55%
16.5/30
    39%
7/18
  38%
1.5/4
        
Vajolet2 2.7 64-bit 4CPU3181    53%
17/32
       50%
10/20
           
Andscacs 0.95 64-bit3180      68%
35.5/52
 54%
19.5/36
53%
30.5/58
38%
1.5/4
38%
1.5/4
 46%
11/24
38%
1.5/4
         
NirvanaChess 2.4 64-bit 4CPU3178       59%
16/27
    53%
10/19
  50%
2/4
        
Equinox 3.20 64-bit 4CPU3172       63%
19/30
    62%
10/16
           
ChessBrainVB 3.72 4CPU3165            50%
2/4
  25%
1/4
        
Hannibal 1.7 64-bit 4CPU3154       57%
17/30
    70%
10.5/15
           
Roc 1.6 64-bit3154        59%
19/32
 54%
6.5/12
25%
0.5/2
            
RofChade 2.1 64-bit3154              42%
8.5/20
 31%
10.5/34
       
Nemorino 5.00 64-bit 4CPU3147            50%
2/4
  50%
2/4
        
Arasan 22.1 64-bit3146      70%
36.5/52
 58%
21/36
58%
7/12
              
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Xiphos 0.4 64-bit3144              42%
8.5/20
 31%
5/16
21%
2.5/12
      
Lc0 0.24.0 w591226 64-bit3142        51%
18.5/36
 62%
2.5/4
             
Arasan 22.0 64-bit3140          56%
18/32
56%
28/50
            
Schooner 2.1 64-bit3132             62%
17.5/28
45%
25/56
         
Laser 1.6 64-bit3129              40%
8/20
 41%
6.5/16
18%
2.5/14
      
Arasan 21.4 64-bit3126             55%
15.5/28
48%
29/60
         
Pedone 1.9 64-bit 4CPU3126       70%
21/30
    57%
8.5/15
  38%
1.5/4
        
Wasp 3.60 64-bit 4CPU3124       64%
16/25
    62%
2.5/4
           
Arasan 21.3 64-bit3122                33%
10.5/32
25%
3.5/14
      
Roc 1.7 64-bit3122      81%
42/52
 69%
5.5/8
71%
8.5/12
              
Roc 1.0 64-bit3119                50%
1.5/3
36%
5/14
      
Gull 3 64-bit3118              42%
8.5/20
 50%
16/32
       
Roc 0.7 64-bit3114              55%
11/20
 34%
5.5/16
       
Chiron 4 64-bit3113             67%
8/12
50%
10/20
 38%
12/32
36%
5/14
      
Pedone 2.0 64-bit3107        58%
21/36
 50%
12/24
74%
26.5/36
            
Sting SF 9 64-bit 4CPU3107       72%
21.5/30
    53%
8/15
           
Rybka 3 Human 64-bit 4CPU3104       80%
24/30
    67%
10/15
           
NirvanaChess 2.4 64-bit3099           75%
1.5/2
 62%
2.5/4
62%
2.5/4
 33%
10.5/32
11%
1.5/14
      
Vajolet2 2.8 64-bit3098        70%
22.5/32
75%
3/4
71%
20/28
62%
12.5/20
 62%
15/24
          
Equinox 3.20 64-bit3094                59%
9.5/16
29%
4/14
      
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Vajolet2 2.7 64-bit3094              54%
15/28
 41%
13.5/33
       
Fritz 15 64-bit3092                50%
8/16
39%
5.5/14
      
Houdini 1.5a 32-bit3088           60%
12/20
  45%
9/20
 41%
6.5/16
       
Critter 1.01 64-bit 4CPU3086       72%
21.5/30
    67%
10/15
           
Lc0 0.22.0 wLD2 64-bit3086          62%
12.5/20
62%
12.5/20
            
Strelka 5.5 32-bit3086             70%
14/20
48%
9.5/20
         
Nemorino 5.00 64-bit3085        69%
22/32
 62%
2.5/4
50%
1/2
 50%
2/4
39%
3.5/9
 40%
13.5/34
       
Winter 0.8 64-bit3081        68%
32.5/48
100%
1/1
              
Pedone 1.9 64-bit3079             65%
13/20
48%
13.5/28
 36%
11.5/32
       
chess22k 1.14 64-bit3077        64%
20.5/32
 54%
13/24
             
Texel 1.07 64-bit3073        70%
22.5/32
  50%
1/2
 66%
10.5/16
62%
5/8
 37%
12.5/34
       
Critter 1.4 32-bit3071             68%
13.5/20
58%
11.5/20
         
Rodent III 0.276 64-bit 4CPU3067       74%
14/19
    53%
8/15
  71%
10/14
        
ChessBrainVB 3.743065        66%
21/32
 62%
2.5/4
73%
16/22
 59%
16.5/28
38%
1.5/4
         
Demolito 2018-10-29 64-bit 4CPU3064            63%
9.5/15
  55%
25.5/46
        
Wasp 3.75 64-bit3062        67%
21.5/32
 75%
18/24
66%
14.5/22
 73%
17.5/24
58%
11.5/20
         
chess22k 1.13 64-bit3062           68%
15/22
 50%
2/4
50%
7/14
         
ChessBrainVB 3.723060              52%
12.5/24
  32%
4.5/14
27%
8.5/32
     
iCE 4.0 64-bit3059        80%
25.5/32
 71%
17/24
62%
12.5/20
 62%
17.5/28
          
Protector 1.9.0 64-bit3057              50%
0.5/1
   27%
8.5/32
     
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Lc0 0.20.1 w36089 64-bit3053              50%
10/20
 56%
9/16
39%
5.5/14
      
chess22k 1.12 64-bit3048              62%
2.5/4
 49%
16.5/34
50%
7/14
      
Rybka 3 64-bit3047          62%
12.5/20
  70%
14/20
65%
13/20
         
Wasp 3.60 64-bit3039              50%
2/4
 44%
14/32
50%
8/16
      
Senpai 2.0 64-bit3031                49%
16.5/34
12%
0.5/4
      
Wasp 3.50 64-bit3028                 34%
5.5/16
34%
11/32
     
Hakkapeliitta TCEC v2 64-bit2999               75%
24/32
 75%
3/4
      
Rodent III 0.281 64-bit2992             100%
4/4
  61%
11/18
       
Demolito 2018-10-29 64-bit2977                61%
19.5/32
47%
8.5/18
 22%
6.5/30
    
Pirarucu 2.9.5 64-bit2966                60%
21.5/36
50%
2/4
      
Amoeba 3.0 64-bit2962                70%
26.5/38
48%
9.5/20
      
Lc0 0.20.1 w11258 64-bit2954               75%
7.5/10
25%
1/4
 50%
6/12
     
Deuterium 2019.1.36.50 64-bit2953                61%
22/36
48%
10.5/22
      
Pirarucu 2.7.4 64-bit2949                 58%
11/19
48%
9.5/20
     
Crafty 25.2 64-bit2931                66%
21/32
36%
5/14
      
Amoeba 2.8 64-bit2926                 69%
12.5/18
 25%
7.5/30
    
Cheng 4.39 64-bit2919                88%
3.5/4
75%
13.5/18
      
Deep Junior Yokohama 64-bit2919                 57%
8/14
46%
6.5/14
     
Dirty CUCUMBER 64-bit2918                62%
2.5/4
53%
9.5/18
48%
20/42
25%
3/12
    
Deuterium 2018.1.35.514 64-bit2912                  54%
18.5/34
19%
1.5/8
    
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Hiarcs 13.22895                  57%
8/14
31%
2.5/8
    
EXchess 7.97b 64-bit2894                 61%
8.5/14
51%
17.5/34
     
Scorpio 2.8 64-bit2885                 67%
8/12
59%
20/34
25%
2/8
    
Lc0 0.19.1 w11248 64-bit2876                 88%
3.5/4
69%
5.5/8
     
The Baron 3.44 64-bit2866                 69%
22/32
66%
22.5/34
     
MinkoChess 1.3 64-bit2852                  67%
21.5/32
38%
3/8
    
Tucano 7.06 64-bit2852                 88%
3.5/4
58%
11.5/20
45%
9/20
    
Fruit Reloaded 3.2.1 64-bit2837                  100%
2/2
55%
16.5/30
    
Marvin 3.2.0 64-bit2837                 62%
2.5/4
55%
21/38
53%
8.5/16
    
Zurichess Neuchatel 64-bit2830                  65%
13/20
56%
4.5/8
25%
2.5/10
   
Tucano 7.05 64-bit2824                   56%
10/18
40%
4/10
   
Godel 4.4.5 64-bit2814                  59%
9.5/16
44%
16/36
    
The Baron 3.42 64-bit2797                   50%
4/8
40%
4/10
   
Monolith 1.0 64-bit2795                  72%
14.5/20
48%
23/48
    
RuyDos 1.1.9 64-bit2792                  61%
19.5/32
41%
13/32
    
RuyDos 1.1.0 64-bit2786                  64%
9/14
56%
4.5/8
    
Bright 0.4a2776                   60%
6/10
20%
2/10
   
Devel 2.00002725                   58%
7/12
 33%
2/6
  
ProDeo 2.22721                   69%
5.5/8
35%
3.5/10
   
GreKo 2018.07 64-bit2709                   58%
21/36
 25%
2/8
  
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
ProDeo 2.82706                   88%
3.5/4
36%
11.5/32
   
Pirarucu 2.2.2 64-bit2698                   62%
5/8
 25%
7/28
  
Chessmaster 11 Conqueror2695                   31%
2.5/8
21%
2.5/12
   
Gogobello 1.4 64-bit2688                   71%
8.5/12
30%
3/10
25%
1.5/6
  
Counter 2.7 64-bit2674                   81%
6.5/8
 35%
3.5/10
  
tomitankChess 2.0 64-bit2657                   62%
7.5/12
 33%
10/30
  
Winter 0.2 64-bit2655                   62%
5/8
40%
10.5/26
32%
11/34
  
ECE X3 64-bit2645                    35%
3.5/10
58%
3.5/6
  
DanaSah 7.32640                    39%
5.5/14
25%
1.5/6
  
Igel 1.2 64-bit2627                    50%
2/4
60%
6/10
  
K2 0.912616                    71%
10/14
25%
3/12
  
Monolith 0.4 64-bit2609                    52%
13.5/26
 17%
1/6
 
Brutus 8.05 64-bit2590                    30%
3/10
25%
1.5/6
  
Coiled 0.6 64-bit2586                    38%
1.5/4
43%
14.5/34
  
Delocto 0.6 64-bit2580                    61%
8.5/14
58%
3.5/6
  
Schooner 1.8 64-bit2568                    50%
7/14
50%
3/6
  
JikChess 0.02 64-bit2559                    55%
5.5/10
38%
4.5/12
  
Ghost 3.1 64-bit2552              100%
1/1
     45%
4.5/10
 62%
5/8
 
Pirarucu 2.1.1 64-bit2550                     69%
5.5/8
31%
2.5/8
 
Betsabe II 1.842546                    64%
9/14
 50%
6/12
 
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Orion 0.5 64-bit2528                    79%
11/14
 38%
3/8
 
Winter 0.1.1 64-bit2497                    100%
1/1
55%
5.5/10
56%
4.5/8
 
MadChess 2.2 64-bit2494                     58%
3.5/6
42%
5/12
 
Bruja 1.9.1 64-bit2479                     58%
3.5/6
38%
3/8
 
Drosophila 1.5.1 64-bit2479                     80%
8/10
50%
7/14
 
Lozza 1.18 64-bit2473                     75%
3/4
50%
6/12
 
Jumbo 0.6.31 64-bit2470                     42%
2.5/6
58%
7/12
 
Orion 0.4 64-bit2452                     70%
7/10
58%
7/12
 
Bumblebee 1.0.36898e1 64-bit2448                     88%
3.5/4
50%
2/4
 
Abrok 5.02445                     67%
4/6
44%
3.5/8
 
Bearded N44.5 64-bit2443                     67%
4/6
71%
8.5/12
 
Shallow r694 64-bit2443                     65%
6.5/10
25%
2/8
 
TJchess 1.3 64-bit2435                     50%
2/4
44%
3.5/8
 
Nemeton 1.612425                     88%
3.5/4
62%
5/8
 
Cmcchess 2.6 64-bit2422                     83%
5/6
38%
3/8
 
RomiChess P3n 64-bit2415                     65%
6.5/10
50%
6/12
 
Ifrit m1.8 64-bit2413                     75%
4.5/6
 42%
2.5/6
Gaia 3.5 32-bit2412                     83%
5/6
44%
3.5/8
 
Gosu 0.162403                     92%
5.5/6
 42%
2.5/6
Simplex 0.9.8 64-bit2402                      69%
5.5/8
17%
1/6
NameEloRubiChess
2.1
64-bit
4CPU
RubiChess
2.0
64-bit
4CPU
RubiChess
2.1
64-bit
RubiChess
1.8
64-bit
4CPU
RubiChess
1.7.3
64-bit
4CPU
RubiChess
2.0
64-bit
RubiChess
1.9
64-bit
RubiChess
1.6
64-bit
4CPU
RubiChess
1.7.3
64-bit
RubiChess
1.8
64-bit
RubiChess
1.7.1
64-bit
RubiChess
1.6.1
64-bit
RubiChess
1.5
64-bit
4CPU
RubiChess
1.6
64-bit
RubiChess
1.5
64-bit
RubiChess
1.3
64-bit
4CPU
RubiChess
1.4
64-bit
RubiChess
1.3
64-bit
RubiChess
1.2.1
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
Patzer 3.802397                     58%
3.5/6
75%
6/8
0%
0/1
Alex 2.14a 64-bit2394                     83%
5/6
81%
6.5/8
50%
3/6
Thor's Hammer 2.28 32-bit2383                     58%
3.5/6
62%
5/8
 
Waxman 20172371                      88%
3.5/4
17%
1/6
Isa 2.0.64 64-bit2364                      75%
6/8
42%
5/12
Popochin 4.0 64-bit2337                      88%
3.5/4
53%
8/15
EveAnn 1.722320                      88%
3.5/4
30%
3/10
Joker2 0.7.7 64-bit2215                      75%
3/4
67%
4/6
Baislicka 1.0 64-bit2205                      38%
1.5/4
92%
5.5/6
Dorpsgek Dillinger 64-bit2195                      88%
3.5/4
72%
14.5/20
Soldat III 0.187 64-bit2178                      100%
4/4
75%
4.5/6
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