CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 4 engines!
4 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 7, 2019 with Bayeselo based on 1'104'002 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+
1Hakkapeliitta TCEC v2 64-bit3000+13−1350.1%−8.241.9%1985 
100.0%
 Hakkapeliitta 3.0 64-bit2954+12−1149.1%+5.740.7%2501
100.0%
 Hakkapeliitta 2.0 64-bit2714+25−2546.5%+23.134.5%551
100.0%
 Hakkapeliitta 1.0 64-bit2518+27−2748.3%+11.231.3%480
 

Results matrix

Custom engine selection
#NameElo1234
1Hakkapeliitta TCEC v2 64-bit3000 16.5 − 13.5
+8−5=17
−17
  
2Hakkapeliitta 3.0 64-bit295413.5 − 16.5
+5−8=17
+17
   
3Hakkapeliitta 2.0 64-bit2714    
4Hakkapeliitta 1.0 64-bit2518    
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-bit3000 100.0100.0100.0
2Hakkapeliitta 3.0 64-bit29540.0 100.0100.0
3Hakkapeliitta 2.0 64-bit27140.00.0 100.0
4Hakkapeliitta 1.0 64-bit25180.00.00.0 
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-bit3000 89700
2Hakkapeliitta 3.0 64-bit2954897 1000
3Hakkapeliitta 2.0 64-bit27140100 142
4Hakkapeliitta 1.0 64-bit251800142 
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-bit3000 20.00.00.0
2Hakkapeliitta 3.0 64-bit295420.0 3.30.0
3Hakkapeliitta 2.0 64-bit27140.03.3 13.8
4Hakkapeliitta 1.0 64-bit25180.00.013.8 
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 43 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
Gull 3 64-bit312125%
8/32
0%
0/4
  
Hannibal 1.7 64-bit308117%
0.5/3
38%
9/24
  
Texel 1.07 64-bit307536%
13.5/38
38%
4.5/12
  
Bouquet 1.8 64-bit307433%
1/3
38%
1.5/4
  
Protector 1.9.0 64-bit305950%
1/2
28%
9/32
  
BlackMamba 2.0 64-bit305740%
14/35
35%
3.5/10
  
iCE 3.0 64-bit304242%
13.5/32
43%
19/44
  
Nemorino 4.00 64-bit304044%
15/34
40%
4/10
  
Arasan 20.4.1 64-bit303745%
14.5/32
44%
15/34
  
Senpai 2.0 64-bit303644%
23.5/53
30%
3/10
  
Pedone 1.7 64-bit301343%
14.5/34
25%
0.5/2
  
Naum 4.6 64-bit301250%
1.5/3
25%
6.5/26
  
Vajolet2 2.5 64-bit300145%
13.5/30
50%
1/2
  
Defenchess 1.1f 64-bit299754%
26/48
38%
1.5/4
  
Xiphos 0.1 64-bit298655%
16.5/30
48%
15.5/32
  
Rodent III 0.238 64-bit298253%
16/30
43%
15.5/36
  
Ethereal 9.00 64-bit296858%
18.5/32
39%
12.5/32
  
Wasp 2.6 64-bit294765%
22/34
52%
34/66
  
Crafty 25.2 64-bit293158%
21/36
51%
19.5/38
  
Amoeba 2.8 64-bit292764%
24.5/38
75%
1.5/2
  
NameEloHakkapeliitta
TCEC
v2
64-bit
Hakkapeliitta
3.0
64-bit
Hakkapeliitta
2.0
64-bit
Hakkapeliitta
1.0
64-bit
Bobcat 8.0 64-bit292375%
3/4
65%
19.5/30
  
Demolito 2018-03-01 64-bit291050%
2/4
100%
2/2
  
Quazar 0.4 64-bit290553%
16/30
60%
6/10
  
Toga II 4.0 64-bit290559%
22.5/38
60%
15.5/26
  
EXchess 7.97b 64-bit2893100%
4/4
54%
6.5/12
  
Cheng4 0.38 64-bit2890 50%
6/12
100%
2/2
 
Scorpio 2.8 64-bit288568%
23/34
25%
0.5/2
  
Gaviota 1.0 64-bit2860 65%
15.5/24
50%
1/2
 
Toga II 3.02850 100%
2/2
25%
0.5/2
 
Atlas 3.80 64-bit2848 66%
16.5/25
25%
1/4
 
Nemo 1.0.1 64-bit2847 75%
1.5/2
75%
1.5/2
 
GNU Chess 5.60 64-bit2811 80%
8/10
12%
1.5/12
 
Scorpio 2.7.6 64-bit2781 70%
7/10
33%
2/6
 
Rhetoric 1.4.1 64-bit2776 75%
7.5/10
48%
9.5/20
 
Tucano 5.00 64-bit2679  49%
17/35
45%
4.5/10
Djinn 1.021 64-bit2667  59%
13/22
50%
1/2
RedQueen 1.1.97 64-bit2660  62%
7.5/12
50%
5/10
Sjakk 2.2 64-bit2633  54%
6.5/12
43%
6/14
NoraGrace 2.0 64-bit2625  75%
3/4
38%
1.5/4
Nebula 2.0 64-bit2621  100%
4/4
41%
6.5/16
NameEloHakkapeliitta
TCEC
v2
64-bit
Hakkapeliitta
3.0
64-bit
Hakkapeliitta
2.0
64-bit
Hakkapeliitta
1.0
64-bit
Rodin 7.02600  69%
5.5/8
25%
1.5/6
DanaSah 5.072569  75%
3/4
28%
4.5/16
Capivara LK 0.09b02f 64-bit2568  50%
2/4
50%
7/14
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:
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  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