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 4 engines!
4 selected engines played 30 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+
1Hakkapeliitta TCEC v2 64-bit3020+10−1050.4%−4.733.9%4146 
100.0%
 Hakkapeliitta 3.0 64-bit2984+9−946.6%+24.633.3%4834
100.0%
 Hakkapeliitta 2.0 64-bit2747+18−1852.1%−15.024.8%1083
100.0%
 Hakkapeliitta 1.0 64-bit2512+18−1849.6%+3.622.3%1125
 

Results matrix

Custom engine selection
#NameElo1234
1Hakkapeliitta TCEC v2 64-bit3020 17.5 − 12.5
+11−6=13
+16
  
2Hakkapeliitta 3.0 64-bit298412.5 − 17.5
+6−11=13
−16
   
3Hakkapeliitta 2.0 64-bit2747    
4Hakkapeliitta 1.0 64-bit2512    
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
#NameElo1234
1Hakkapeliitta TCEC v2 64-bit3020 100.0100.0100.0
2Hakkapeliitta 3.0 64-bit29840.0 100.0100.0
3Hakkapeliitta 2.0 64-bit27470.00.0 100.0
4Hakkapeliitta 1.0 64-bit25120.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Hakkapeliitta TCEC v2 64-bit3020 168896
2Hakkapeliitta 3.0 64-bit29841688 00
3Hakkapeliitta 2.0 64-bit274790 0
4Hakkapeliitta 1.0 64-bit2512600 
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
#NameElo1234
1Hakkapeliitta TCEC v2 64-bit3020 18.80.20.1
2Hakkapeliitta 3.0 64-bit298418.8 0.00.0
3Hakkapeliitta 2.0 64-bit27470.20.0 0.0
4Hakkapeliitta 1.0 64-bit25120.10.00.0 
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 39 common opponents

Custom engine selection
NameEloHakkapeliitta
TCEC
v2
64-bit
Hakkapeliitta
3.0
64-bit
Hakkapeliitta
2.0
64-bit
Hakkapeliitta
1.0
64-bit
Hannibal 1.7 64-bit311031%
9.5/31
25%
8/32
  
Texel 1.06 64-bit30950%
0/1
12%
0.5/4
  
Booot 6.1 64-bit3085100%
1/1
50%
2/4
  
Protector 1.9.0 64-bit308530%
9.5/32
30%
25/84
  
Senpai 2.0 64-bit308445%
14/31
41%
13/32
  
iCE 3.0 64-bit308131%
10/32
34%
20.5/61
  
Arasan 20.3 64-bit305343%
13/30
34%
11/32
  
Arasan 20.2 64-bit304552%
15.5/30
36%
11.5/32
  
Arasan 20.4.1 64-bit304348%
14.5/30
31%
10/32
  
Vajolet2 2.5 64-bit304050%
0.5/1
48%
38/80
  
SmarThink 1.98 64-bit303933%
10/30
42%
21/50
  
Laser 1.4 64-bit30370%
0/1
45%
14/31
  
Pedone 1.6 64-bit303345%
13.5/30
46%
23/50
  
Xiphos 0.1 64-bit30330%
0/1
53%
17/32
  
SmarThink 1.97 64-bit303147%
14/30
48%
24/50
  
Pedone 1.5 64-bit3021100%
1/1
41%
20.5/50
  
Senpai 1.0 64-bit300750%
1/2
49%
39.5/81
  
Vajolet2 2.4 64-bit299850%
15/30
47%
29/62
  
ChessBrainVB 3.6829850%
0/1
59%
35.5/60
  
Nemorino 2.00 64-bit298554%
38.5/71
54%
44/82
  
NameEloHakkapeliitta
TCEC
v2
64-bit
Hakkapeliitta
3.0
64-bit
Hakkapeliitta
2.0
64-bit
Hakkapeliitta
1.0
64-bit
Wasp 2.6 64-bit297872%
21.5/30
39%
12.5/32
  
chess22k 1.9 64-bit296951%
24/47
57%
21/37
  
Bobcat 8.0 64-bit2958100%
3/3
57%
20.5/36
  
Demolito 2018-03-01 64-bit295762%
61/99
62%
20/32
  
Cheng 4.39 64-bit2945100%
2/2
55%
17.5/32
  
Amoeba 2.7 64-bit293862%
18.5/30
62%
20/32
  
Crafty 25.2 64-bit293368%
20.5/30
56%
24.5/44
  
Atlas 3.91 64-bit292550%
0.5/1
62%
20/32
  
Toga II 4.0 64-bit291863%
19/30
64%
20.5/32
  
DiscoCheck 5.2.1 64-bit291467%
2/3
67%
35/52
  
EXchess 7.97b 64-bit291462%
20/32
66%
33/50
  
Demolito 2017-08-26 64-bit291158%
17.5/30
61%
19.5/32
  
Quazar 0.4 64-bit290150%
0.5/1
64%
30.5/48
  
Gaviota 1.0 64-bit28730%
0/1
88%
3.5/4
  
Ktulu 92781100%
1/1
 48%
15/31
 
Bright 0.5c277150%
0.5/1
 42%
13.5/32
 
Delfi 5.42683100%
1/1
 48%
15.5/32
 
Amyan 1.722604100%
1/1
  22%
7/32
King of Kings 2.562434100%
1/1
  67%
21.5/32
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