CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 11 engines!
11 selected engines played 40 games with each other

CCRL 40/4 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 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on December 7, 2019 with Bayeselo based on 2'143'600 games

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+
1Xiphos 0.6 64-bit 4CPU3432+18−1846.2%+24.463.4%859 
99.9%
 Xiphos 0.5 64-bit 4CPU3396+14−1444.5%+36.148.8%1646
100.0%
 Xiphos 0.6 64-bit3334+17−1751.9%−11.358.8%987
75.9%
 Xiphos 0.4 64-bit 4CPU3324+18−1847.2%+17.546.1%1038
95.1%
 Xiphos 0.5 64-bit3305+13−1344.9%+34.649.2%1989
100.0%
 Xiphos 0.4.18 64-bit3243+18−1846.7%+25.644.5%959
91.9%
 Xiphos 0.4 64-bit3227+14−1549.4%+8.447.1%1555
100.0%
 Xiphos 0.3 64-bit3137+14−1453.4%−29.641.5%1658
100.0%
 Xiphos 0.1 64-bit 4CPU3076+20−2043.5%+40.941.4%804
87.4%
 Xiphos 0.2 64-bit3062+13−1353.4%−30.442.8%1967
99.5%
 Xiphos 0.1 64-bit3033+19−1950.7%−9.939.8%908
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Xiphos 0.6 64-bit 4CPU3432           
2Xiphos 0.5 64-bit 4CPU3396           
3Xiphos 0.6 64-bit3334           
4Xiphos 0.4 64-bit 4CPU3324           
5Xiphos 0.5 64-bit3305           
6Xiphos 0.4.18 64-bit3243           
7Xiphos 0.4 64-bit3227           
8Xiphos 0.3 64-bit3137           
9Xiphos 0.1 64-bit 4CPU3076           
10Xiphos 0.2 64-bit3062          22.5 − 17.5
+11−6=23
+6
11Xiphos 0.1 64-bit3033         17.5 − 22.5
+6−11=23
−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 4CPU3432 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Xiphos 0.5 64-bit 4CPU33960.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Xiphos 0.6 64-bit33340.00.0 75.999.6100.0100.0100.0100.0100.0100.0
4Xiphos 0.4 64-bit 4CPU33240.00.024.1 95.1100.0100.0100.0100.0100.0100.0
5Xiphos 0.5 64-bit33050.00.00.44.9 100.0100.0100.0100.0100.0100.0
6Xiphos 0.4.18 64-bit32430.00.00.00.00.0 91.9100.0100.0100.0100.0
7Xiphos 0.4 64-bit32270.00.00.00.00.08.1 100.0100.0100.0100.0
8Xiphos 0.3 64-bit31370.00.00.00.00.00.00.0 100.0100.0100.0
9Xiphos 0.1 64-bit 4CPU30760.00.00.00.00.00.00.00.0 87.499.9
10Xiphos 0.2 64-bit30620.00.00.00.00.00.00.00.012.6 99.5
11Xiphos 0.1 64-bit30330.00.00.00.00.00.00.00.00.10.5 
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 4CPU3432 1131000000000
2Xiphos 0.5 64-bit 4CPU33961131 06289100011200
3Xiphos 0.6 64-bit333400 014141018869131000
4Xiphos 0.4 64-bit 4CPU332406280 00013224712684
5Xiphos 0.5 64-bit330509114140 13871292213066
6Xiphos 0.4.18 64-bit324300101801387 1755724000
7Xiphos 0.4 64-bit322700869012921755 13700379290
8Xiphos 0.3 64-bit3137001311322137241370 019981286
9Xiphos 0.1 64-bit 4CPU3076011202470000 03
10Xiphos 0.2 64-bit30620001266037919980 1927
11Xiphos 0.1 64-bit30330008460290128631927 
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 4CPU3432 45.10.00.00.00.00.00.00.00.00.0
2Xiphos 0.5 64-bit 4CPU339645.1 0.023.42.50.00.00.04.60.00.0
3Xiphos 0.6 64-bit33340.00.0 0.047.552.334.25.00.00.00.0
4Xiphos 0.4 64-bit 4CPU33240.023.40.0 0.00.00.04.913.44.24.3
5Xiphos 0.5 64-bit33050.02.547.50.0 47.036.55.80.00.20.2
6Xiphos 0.4.18 64-bit32430.00.052.30.047.0 69.827.70.00.00.0
7Xiphos 0.4 64-bit32270.00.034.20.036.569.8 42.60.010.811.8
8Xiphos 0.3 64-bit31370.00.05.04.95.827.742.6 0.055.150.1
9Xiphos 0.1 64-bit 4CPU30760.04.60.013.40.00.00.00.0 0.00.2
10Xiphos 0.2 64-bit30620.00.00.04.20.20.010.855.10.0 67.0
11Xiphos 0.1 64-bit30330.00.00.04.30.20.011.850.10.267.0 
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 72 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
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Stockfish 2019-10-09 64-bit 4CPU360826%
29/110
15%
24/159
         
Stockfish 10 64-bit 4CPU3549 26%
19/72
 16%
17/108
       
Komodo 13.2 64-bit 4CPU352236%
42.5/117
32%
14.5/45
         
Houdini 6 64-bit 4CPU351935%
40.5/115
32%
23.5/73
         
Stockfish 10 64-bit3491  31%
19/62
 20%
18/91
10%
6.5/64
9%
6/64
    
Stockfish 9 64-bit3482      16%
9.5/60
  0%
0/1
 
Houdini 6 64-bit3444  33%
21/64
 24%
21.5/91
24%
15.5/64
22%
13.5/61
    
Fire 7.1 64-bit 4CPU342656%
64/114
42%
10.5/25
         
Ethereal 11.50 64-bit 4CPU341749%
57/117
47%
43/92
         
Komodo 12.3 MCTS 64-bit 4CPU3412 50%
36.5/73
 30%
29.5/98
       
Komodo 12 64-bit3411      22%
13.5/60
0%
0/1
   
Ethereal 11.25 64-bit 4CPU3392 52%
13/25
 43%
35/82
       
Laser 1.7 64-bit 4CPU336658%
68/117
54%
74/138
         
Fire 7.1 64-bit3338  49%
31.5/64
 51%
45.5/90
37%
23.5/64
35%
21/60
    
Andscacs 0.95 64-bit 4CPU3335 54%
13.5/25
 38%
12.5/33
       
Booot 6.3.1 64-bit 4CPU3325 54%
13.5/25
 56%
28/50
       
Komodo 12.3 MCTS 64-bit3325    47%
23.5/50
34%
22/64
36%
36.5/100
    
Ethereal 11.50 64-bit3322  54%
34.5/64
 47%
23.5/50
      
Stoofvlees II a10 GTX980Ti3317 69%
34/49
  43%
18/42
      
Ethereal 11.25 64-bit3305    52%
46.5/90
 50%
0.5/1
    
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
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Ethereal 11.00 64-bit3302     41%
26.5/64
40%
24/60
31%
18.5/60
   
RofChade 2.202 64-bit3276  56%
36/64
 53%
26/49
      
Schooner 2.0.34 64-bit 4CPU3276 70%
17.5/25
 60%
26.5/44
       
Laser 1.7 64-bit3271  66%
42.5/64
 53%
48/90
48%
30.5/64
     
Shredder 13 64-bit3270  55%
35/64
 58%
29/50
41%
26/64
45%
27/60
    
Defenchess 2.2 64-bit3269  61%
39/64
 52%
33.5/64
      
Booot 6.3.1 64-bit3256  59%
38/64
 63%
31.5/50
55%
35.5/64
46%
27.5/60
34%
21.5/64
   
Fizbo 2 64-bit3248  60%
37/62
 59%
30/51
41%
26/64
47%
28/60
0%
0/1
   
Chiron 4 64-bit 4CPU3241 78%
56.5/72
      22%
9/40
  
Andscacs 0.95 64-bit3234  72%
44.5/62
 65%
26/40
48%
30.5/64
54%
33.5/62
    
Andscacs 0.94 64-bit3230      48%
28.5/60
37%
23.5/64
   
Texel 1.07 64-bit 4CPU3205   67%
30/45
    26%
10.5/40
  
Schooner 2.0.34 64-bit3192    62%
25/40
63%
40.5/64
59%
19.5/33
    
Laser 1.6 64-bit3188     66%
41.5/63
48%
29/60
41%
26/64
   
Senpai 2.0 64-bit 4CPU3175   83%
38/46
    34%
13.5/40
  
Chiron 4 64-bit3164    65%
26/40
59%
38/64
62%
37.5/60
51%
25.5/50
   
Critter 1.6a 64-bit3158     65%
41.5/64
61%
36.5/60
42%
21/50
   
Fritz 15 64-bit3146     68%
43.5/64
61%
36.5/60
47%
23.5/50
   
Ethereal 10.00 64-bit3143       44%
22/50
 39%
19.5/50
 
Strelka 5.5 64-bit3141   86%
31/36
    39%
15.5/40
  
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
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
NirvanaChess 2.4 64-bit3130      71%
42.5/60
44%
22.5/51
 40%
16/40
32%
9.5/30
RofChade 2.0 64-bit3130    70%
28/40
 56%
18/32
    
Nemorino 5.00 64-bit3116      63%
38/60
53%
26/49
   
Texel 1.07 64-bit3113      70%
42/60
50%
25/50
 40%
28.5/72
46%
18.5/40
Hannibal 1.7 64-bit3110      75%
45/60
59%
30/51
 38%
27/72
40%
12.5/31
Rybka 4.1 64-bit3108       53%
27.5/52
 45%
37/83
28%
9/32
Pedone 1.8 64-bit3107      62%
38/61
52%
16.5/32
   
Laser 1.5 64-bit3095       58%
71/122
 42%
34.5/82
54%
21/39
Protector 1.9.0 64-bit3085    100%
1/1
 50%
0.5/1
64%
32/50
 47%
38/81
35%
11/31
Senpai 2.0 64-bit3084       62%
31.5/51
 48%
39.5/82
42%
17/40
Vajolet2 2.6 64-bit3084      50%
0.5/1
  51%
25.5/50
 
iCE 3.0 64-bit3081   78%
34.5/44
   61%
75/123
 45%
37/82
45%
18/40
Nemorino 4.00 64-bit3067       61%
30.5/50
 49%
35/72
35%
11/31
Arasan 20.5 64-bit3059       61%
30.5/50
 50%
16/32
41%
16.5/40
Pedone 1.7 64-bit3053         45%
37/82
45%
14.5/32
ChessBrainVB 3.723048    100%
1/1
 50%
0.5/1
    
Defenchess 1.1f 64-bit3047    100%
1/1
  66%
49/74
 53%
38.5/72
48%
15.5/32
Arasan 20.4.1 64-bit3043         56%
22.5/40
52%
16.5/32
Vajolet2 2.5 64-bit3040         57%
47/82
50%
16/32
SmarThink 1.98 64-bit3039      50%
0.5/1
67%
33.5/50
 58%
42/72
42%
13/31
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
0.4.18
64-bit
Xiphos
0.4
64-bit
Xiphos
0.3
64-bit
Xiphos
0.1
64-bit
4CPU
Xiphos
0.2
64-bit
Xiphos
0.1
64-bit
Naum 4.6 64-bit3032       59%
42.5/72
 59%
48.5/82
52%
16.5/32
Hakkapeliitta TCEC v2 64-bit3020        75%
30/40
 100%
1/1
Hakkapeliitta 3.0 64-bit2984         65%
47/72
47%
15/32
Wasp 2.6 64-bit2978         65%
26/40
58%
18.5/32
Bobcat 8.0 64-bit2958      50%
0.5/1
  71%
28.5/40
73%
23.5/32
Cheng 4.39 64-bit2945       75%
56/75
 70%
28/40
66%
21/32
DiscoCheck 5.2.1 64-bit2914      100%
1/1
100%
1/1
   
Rodent III 0.232 64-bit2914       50%
0.5/1
 69%
27.5/40
 
Delocto 0.6 64-bit2610       100%
1/1
 100%
2/2
 
Brutus 8.05 64-bit2557       100%
1/1
 100%
1/1
 
Winter 0.1.1 64-bit2480       100%
1/1
 100%
2/2
 
Matacz 1.42446       100%
1/1
 100%
1/1
 
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 7, 2019