CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 11 engines!
11 selected engines played 30 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern CPU.
Computed on December 10, 2019 with Bayeselo based on 1'104'091 games

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+
1Xiphos 0.6 64-bit 4CPU3349+33−3347.1%+18.463.9%244 
97.6%
 Xiphos 0.5 64-bit 4CPU3310+19−1943.9%+39.964.2%745
100.0%
 Xiphos 0.6 64-bit3255+19−1949.6%+4.266.2%728
61.0%
 Xiphos 0.4 64-bit 4CPU3251+19−1943.8%+39.861.1%830
95.4%
 Xiphos 0.5 64-bit3230+13−1347.2%+17.262.6%1691
100.0%
 Xiphos 0.3 64-bit 4CPU3179+21−2149.2%+3.654.2%660
99.1%
 Xiphos 0.4 64-bit3148+12−1242.4%+50.950.3%2272
99.9%
 Xiphos 0.2.2 64-bit 4CPU3103+26−2647.3%+13.753.6%414
71.7%
 Xiphos 0.3 64-bit3093+19−1950.6%−3.451.6%801
100.0%
 Xiphos 0.2 64-bit3024+18−1852.8%−15.646.8%999
99.8%
 Xiphos 0.1 64-bit2986+20−2049.1%+5.648.4%787
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Xiphos 0.6 64-bit 4CPU3349           
2Xiphos 0.5 64-bit 4CPU3310           
3Xiphos 0.6 64-bit3255           
4Xiphos 0.4 64-bit 4CPU3251           
5Xiphos 0.5 64-bit3230           
6Xiphos 0.3 64-bit 4CPU3179           
7Xiphos 0.4 64-bit3148           
8Xiphos 0.2.2 64-bit 4CPU3103           
9Xiphos 0.3 64-bit3093           
10Xiphos 0.2 64-bit3024          17.5 − 12.5
+7−2=21
+6
11Xiphos 0.1 64-bit2986         12.5 − 17.5
+2−7=21
−6
 
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
#NameElo1234567891011
1Xiphos 0.6 64-bit 4CPU3349 97.6100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Xiphos 0.5 64-bit 4CPU33102.4 100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Xiphos 0.6 64-bit32550.00.0 61.098.3100.0100.0100.0100.0100.0100.0
4Xiphos 0.4 64-bit 4CPU32510.00.039.0 95.4100.0100.0100.0100.0100.0100.0
5Xiphos 0.5 64-bit32300.00.01.74.5 100.0100.0100.0100.0100.0100.0
6Xiphos 0.3 64-bit 4CPU31790.00.00.00.00.0 99.1100.0100.0100.0100.0
7Xiphos 0.4 64-bit31480.00.00.00.00.00.9 99.9100.0100.0100.0
8Xiphos 0.2.2 64-bit 4CPU31030.00.00.00.00.00.00.1 71.7100.0100.0
9Xiphos 0.3 64-bit30930.00.00.00.00.00.00.028.3 100.0100.0
10Xiphos 0.2 64-bit30240.00.00.00.00.00.00.00.00.0 99.8
11Xiphos 0.1 64-bit29860.00.00.00.00.00.00.00.00.00.2 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Xiphos 0.6 64-bit 4CPU3349 57402840116000540
2Xiphos 0.5 64-bit 4CPU3310574 05720264000780
3Xiphos 0.6 64-bit325500 014240834015400
4Xiphos 0.4 64-bit 4CPU32512845720 0465030753
5Xiphos 0.5 64-bit32300014240 01912015630
6Xiphos 0.3 64-bit 4CPU317911626404650 026824600
7Xiphos 0.4 64-bit314800834019120 0285130104
8Xiphos 0.2.2 64-bit 4CPU3103000302680 000
9Xiphos 0.3 64-bit3093001540156242850 422326
10Xiphos 0.2 64-bit302454780753601300422 1266
11Xiphos 0.1 64-bit298600030010403261266 
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
#NameElo1234567891011
1Xiphos 0.6 64-bit 4CPU3349 58.00.026.40.012.80.00.00.04.30.0
2Xiphos 0.5 64-bit 4CPU331058.0 0.036.30.018.80.00.00.04.50.0
3Xiphos 0.6 64-bit32550.00.0 0.058.90.027.80.010.10.00.0
4Xiphos 0.4 64-bit 4CPU325126.436.30.0 0.031.20.00.20.04.10.2
5Xiphos 0.5 64-bit32300.00.058.90.0 0.048.20.06.30.10.0
6Xiphos 0.3 64-bit 4CPU317912.818.80.031.20.0 0.025.01.63.60.0
7Xiphos 0.4 64-bit31480.00.027.80.048.20.0 0.09.34.03.4
8Xiphos 0.2.2 64-bit 4CPU31030.00.00.00.20.025.00.0 0.00.00.0
9Xiphos 0.3 64-bit30930.00.010.10.06.31.69.30.0 23.420.5
10Xiphos 0.2 64-bit30244.34.50.04.10.13.64.00.023.4 70.9
11Xiphos 0.1 64-bit29860.00.00.00.20.00.03.40.020.570.9 
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 88 common opponents

Custom engine selection
NameEloXiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.3
64-bit
4CPU
Xiphos
0.4
64-bit
Xiphos
0.2.2
64-bit
4CPU
Xiphos
0.3
64-bit
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
SugaR NN 1.1 64-bit 4CPU348535%
7/20
23%
7.5/32
         
Stockfish 10 64-bit 4CPU346522%
4/18
22%
9.5/44
 12%
5.5/44
       
ShashChess 8.0 64-bit 4CPU345236%
6.5/18
33%
10.5/32
         
SugaR XPrO 1.5.3 64-bit 4CPU3434   25%
8/32
 19%
6/32
     
Komodo 13.1 64-bit 4CPU341250%
9/18
27%
8.5/32
         
SugaR NN 310719 64-bit3412  31%
13.5/44
 25%
1/4
      
Houdini 6 64-bit 4CPU339933%
6/18
31%
10/32
 33%
10.5/32
       
Stockfish 10 64-bit3387  30%
13/44
 26%
16.5/64
 15%
27.5/178
    
SugaR 1.6.1 64-bit3381    25%
14/56
 19%
10.5/56
    
Stockfish 9 64-bit3367      19%
9.5/50
 12%
0.5/4
  
ShashChess 8.0 64-bit3362  32%
14/44
 30%
19.5/64
      
ShashChess 6.0 64-bit3345    31%
16/52
 25%
14/56
    
Komodo 13.1 64-bit3338  37%
15.5/42
 29%
16/56
      
Houdini 6 64-bit3336  35%
14.5/42
 31%
16/52
 22%
11/50
    
SugaR XPrO 1.5.3 64-bit3325      25%
13.5/54
 25%
1/4
  
Komodo 12.2.2 64-bit3324    37%
19/52
 17%
9/52
    
Komodo 11.3.1 64-bit3323    38%
20/52
 17%
9/52
  0%
0/1
 
Fire 7.1 64-bit 4CPU332253%
9.5/18
57%
21.5/38
 45%
14.5/32
 12%
2.5/20
   16%
6.5/40
 
Komodo 12 64-bit3316      26%
13/50
 0%
0/1
  
Komodo 12.3 MCTS 64-bit 4CPU3297 50%
19/38
 29%
7/24
       
NameEloXiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.3
64-bit
4CPU
Xiphos
0.4
64-bit
Xiphos
0.2.2
64-bit
4CPU
Xiphos
0.3
64-bit
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
RofChade 2.202 64-bit 4CPU328761%
11/18
53%
17/32
         
Defenchess 2.2 64-bit 4CPU328565%
13/20
50%
16/32
         
Laser 1.7 64-bit 4CPU328358%
10.5/18
56%
18/32
 40%
4/10
       
Deep Shredder 13 64-bit 4CPU327968%
13.5/20
61%
23/38
 50%
16/32
 32%
6.5/20
     
Fizbo 2 64-bit 4CPU327764%
11.5/18
55%
21/38
 48%
15.5/32
 40%
8/20
     
Andscacs 0.95 64-bit 4CPU3266 61%
23/38
 40%
4/10
       
Andscacs 0.94 64-bit 4CPU3264   44%
15/34
 42%
13.5/32
     
Booot 6.3.1 64-bit 4CPU3264 61%
23/38
 50%
16/32
 34%
17.5/52
     
Komodo 10 64-bit3263  48%
20/42
 46%
24/52
      
Fire 7.1 64-bit3258  51%
23.5/46
 42%
27/64
 35%
20.5/58
 12%
0.5/4
  
Ethereal 11.25 64-bit3238    54%
30/56
 34%
19/56
    
Komodo 12.3 MCTS 64-bit3234    47%
24.5/52
 41%
21.5/52
    
Laser 1.6 64-bit 4CPU3217   56%
18.5/33
 41%
13/32
     
Laser 1.7 64-bit3210  59%
27/46
 54%
34.5/64
 45%
25/56
    
Defenchess 2.2 64-bit3206  57%
26/46
 50%
28/56
      
RofChade 2.202 64-bit3203  57%
25/44
 52%
27/52
      
Booot 6.3.1 64-bit3202  61%
28/46
 57%
50/88
 43%
30/70
 25%
1/4
  
Schooner 2.0.34 64-bit 4CPU3201 58%
3.5/6
 62%
26.5/43
       
Shredder 13 64-bit3201  61%
25.5/42
 55%
41.5/76
 44%
22/50
 32%
6.5/20
  
Fizbo 2 64-bit3198  61%
28/46
 57%
50/88
 51%
29.5/58
 44%
10.5/24
  
NameEloXiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.3
64-bit
4CPU
Xiphos
0.4
64-bit
Xiphos
0.2.2
64-bit
4CPU
Xiphos
0.3
64-bit
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Chiron 4 64-bit 4CPU3192     55%
11/20
 41%
6.5/16
   
Andscacs 0.95 64-bit3184  62%
28.5/46
 57%
34/60
 43%
20/46
    
Houdini 1.5a 64-bit 4CPU3183   55%
5.5/10
 58%
11.5/20
     
NirvanaChess 2.4 64-bit 4CPU3181     48%
9.5/20
 44%
7/16
   
Gull 3 64-bit 4CPU3180     52%
10.5/20
 47%
7.5/16
   
Andscacs 0.94 64-bit3172      46%
32.5/70
 25%
1/4
  
Defenchess 2.1 64-bit3149    60%
12/20
 52%
10.5/20
    
Laser 1.5 64-bit 4CPU3144     55%
11/20
 47%
7.5/16
   
Arasan 21.3 64-bit3124    63%
33/52
 46%
6.5/14
    
ChessBrainVB 3.68 4CPU3124     65%
13/20
 39%
12.5/32
   
Gull 3 64-bit3121    62%
32/52
 54%
27/50
    
Chiron 4 64-bit3115      62%
2.5/4
 40%
8.5/21
41%
12/29
36%
11.5/32
Senpai 2.0 64-bit 4CPU3111     72%
14.5/20
 59%
9.5/16
   
Schooner 2.0.34 64-bit3110    75%
3/4
 53%
47/88
    
NirvanaChess 2.4 64-bit3102      44%
3.5/8
 57%
20.5/36
100%
1/1
 
Fritz 16 64-bit3101      75%
3/4
  38%
11.5/30
37%
11/30
Ethereal 10.00 64-bit3092        40%
9.5/24
30%
9/30
 
Nemorino 5.00 64-bit3087      60%
6/10
 48%
9.5/20
  
Texel 1.07 64-bit3075      50%
2/4
 56%
29.5/53
  
Laser 1.5 64-bit3072        58%
11.5/20
45%
13.5/30
35%
10.5/30
NameEloXiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.3
64-bit
4CPU
Xiphos
0.4
64-bit
Xiphos
0.2.2
64-bit
4CPU
Xiphos
0.3
64-bit
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Defenchess 1.1f 64-bit 4CPU3066     65%
13/20
 53%
8.5/16
   
Vajolet2 2.6 64-bit3060      75%
3/4
 53%
23.5/44
  
BlackMamba 2.0 64-bit3057         42%
12.5/30
52%
15.5/30
Nemorino 4.00 64-bit3040        65%
13/20
50%
2/4
 
Gull 3.1 64-bit3039         40%
12/30
22%
6.5/30
Arasan 20.4.1 64-bit3037        60%
12/20
48%
14.5/30
37%
11/30
Senpai 2.0 64-bit3036        69%
16.5/24
45%
13.5/30
42%
12.5/30
ChessBrainVB 3.683025        38%
1.5/4
54%
7.5/14
 
SmarThink 1.98 64-bit3025        58%
14.5/25
49%
16.5/34
43%
13/30
Deep Fritz 14 64-bit 1CPU3018      76%
38/50
  51%
25.5/50
40%
12/30
Crafty 25.2 64-bit 4CPU3014   100%
1/1
   66%
10.5/16
   
Pedone 1.7 64-bit3013        75%
15/20
38%
1.5/4
 
Sting SF 9.9 64-bit3010         38%
1.5/4
39%
12.5/32
Ethereal 9.30 64-bit3005         50%
0.5/1
38%
4.5/12
Vajolet2 2.5 64-bit3001         54%
18.5/34
59%
19/32
Hakkapeliitta TCEC v2 64-bit3000        62%
2.5/4
48%
14.5/30
45%
13.5/30
Defenchess 1.1f 64-bit2997        72%
14.5/20
59%
20/34
61%
19.5/32
Rodent III 0.238 64-bit2982         59%
20/34
50%
16/32
Ethereal 9.00 64-bit2968         63%
19/30
50%
16/32
chess22k 1.10 64-bit2956     81%
32.5/40
  75%
6/8
  
NameEloXiphos
0.6
64-bit
4CPU
Xiphos
0.5
64-bit
4CPU
Xiphos
0.6
64-bit
Xiphos
0.4
64-bit
4CPU
Xiphos
0.5
64-bit
Xiphos
0.3
64-bit
4CPU
Xiphos
0.4
64-bit
Xiphos
0.2.2
64-bit
4CPU
Xiphos
0.3
64-bit
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Wasp 2.6 64-bit2947         67%
20/30
52%
16.5/32
Crafty 25.2 64-bit2931         67%
20/30
52%
16.5/32
Amoeba 2.8 64-bit2927   100%
1/1
     67%
20/30
59%
19/32
Bobcat 8.0 64-bit2923         62%
2.5/4
75%
1.5/2
Demolito 2018-03-01 64-bit2910         72%
21.5/30
75%
1.5/2
Toga II 4.0 64-bit2905         72%
21.5/30
100%
2/2
chess22k 1.7 64-bit2899         68%
20.5/30
73%
22/30
Scorpio 2.8 64-bit2885         68%
20.5/30
68%
9.5/14
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 December 10, 2019