CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 2 engines!
2 selected engines played 0 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 Intel CPU.
Computed on June 15, 2019 with Bayeselo based on 2'051'440 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+
1Chronos 1.9.9 64-bit2739+8−848.7%+12.433.4%7568 
100.0%
 Chronos 1.9.72639+14−1444.0%+45.132.7%1778
 

Results matrix

Custom engine selection
#NameElo12
1Chronos 1.9.9 64-bit2739  
2Chronos 1.9.72639  
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
#NameElo12
1Chronos 1.9.9 64-bit2739 100.0
2Chronos 1.9.726390.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12
1Chronos 1.9.9 64-bit2739 2537
2Chronos 1.9.726392537 
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
#NameElo12
1Chronos 1.9.9 64-bit2739 27.1
2Chronos 1.9.7263927.1 
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 41 common opponents

Custom engine selection
NameEloChronos
1.9.9
64-bit
Chronos
1.9.7
Critter 0.70 64-bit297412%
3.5/30
9%
3/32
Komodo 1.2 64-bit296723%
7.5/32
12%
4/32
Spark 0.4 64-bit288225%
7.5/30
22%
7/32
Protector 1.3.5 64-bit285635%
10.5/30
21%
6/29
Onno 1.1.1 64-bit283733%
10.5/32
28%
9/32
Toga II 1.4.1SE282343%
13/30
20%
6/30
Fruit 05/11/03279242%
13.5/32
28%
9/32
Ktulu 9278246%
15.5/34
20%
6.5/32
Loop 13.6 (Loop 2007) 32-bit277548%
14/29
29%
8/28
MinkoChess 0.9 64-bit277143%
13/30
30%
9/30
Twisted Logic 20090922 64-bit277148%
15.5/32
25%
8/32
Twisted Logic 20100131x 64-bit276625%
0.5/2
34%
11/32
Bison 9.11 64-bit276148%
14.5/30
33%
10/30
SmarThink 1.20 64-bit274756%
18/32
30%
9.5/32
Spike 1.2 Turin273161%
19.5/32
36%
13/36
Crafty 23.2 64-bit272150%
15/30
38%
11/29
Chess Tiger 2007.1271455%
17.5/32
39%
12.5/32
Frenzee Feb08 64-bit269567%
21.5/32
45%
16.5/37
Delfi 5.4268455%
17/31
48%
14.5/30
Scorpio 2.5 64-bit268363%
19/30
46%
32.5/70
NameEloChronos
1.9.9
64-bit
Chronos
1.9.7
Daydreamer 1.75 64-bit267362%
18.5/30
47%
14/30
BugChess2 1.6.4 64-bit267064%
20.5/32
47%
14.5/31
Booot 4.15.0266572%
23/32
38%
14.5/38
Alaric 707266455%
17/31
45%
14.5/32
Colossus 2008b264263%
21.5/34
52%
16/31
E.T. Chess 13.01.08263464%
21/33
34%
11/32
Gandalf 6262761%
19.5/32
61%
19/31
Alfil 8.1.1 Optimized262567%
21.5/32
53%
20/38
Movei 00.8.438 (10 10 10)262361%
20/33
53%
16.5/31
WildCat 8262362%
20.5/33
53%
17/32
Sloppy 0.2.2 64-bit261764%
20.5/32
54%
19.5/36
Slow Chess Blitz WV2.1261570%
22.5/32
61%
22/36
Ruffian 2.1.0261069%
22/32
60%
18.5/31
GarboChess 2.10 64-bit259869%
21.5/31
52%
16.5/32
Brutus 8.05 64-bit2556100%
1/1
59%
16/27
Petir 4.999999255573%
23.5/32
69%
25.5/37
The Baron 2.23 64-bit255569%
21.5/31
66%
24.5/37
Anaconda 2.0.1254669%
22/32
73%
27/37
Amyan 1.62254275%
24/32
61%
23/38
Ufim 8.02254077%
24/31
59%
19/32
NameEloChronos
1.9.9
64-bit
Chronos
1.9.7
Little Goliath Evolution 3.12250585%
26.5/31
69%
21.5/31
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



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Rating list
Testing profile
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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

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on June 15, 2019