CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 3 engines!
3 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 CPU.
Computed on November 8, 2019 with Bayeselo based on 2'127'795 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+
1SlowChess Blitz Classic 1.5 64-bit2988+19−1949.0%+8.235.8%906 
94.7%
 SlowChess Blitz Classic 1.4 64-bit2965+21−2170.3%−143.132.8%854
100.0%
 Slow Chess Blitz WV2.12615+6−646.1%+28.629.9%12486
 

Results matrix

Custom engine selection
#NameElo123
1SlowChess Blitz Classic 1.5 64-bit2988   
2SlowChess Blitz Classic 1.4 64-bit2965   
3Slow Chess Blitz WV2.12615   
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
#NameElo123
1SlowChess Blitz Classic 1.5 64-bit2988 94.7100.0
2SlowChess Blitz Classic 1.4 64-bit29655.3 100.0
3Slow Chess Blitz WV2.126150.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1SlowChess Blitz Classic 1.5 64-bit2988 03
2SlowChess Blitz Classic 1.4 64-bit29650 598
3Slow Chess Blitz WV2.126153598 
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
#NameElo123
1SlowChess Blitz Classic 1.5 64-bit2988 0.00.0
2SlowChess Blitz Classic 1.4 64-bit29650.0 4.5
3Slow Chess Blitz WV2.126150.04.5 
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 24 common opponents

Custom engine selection
NameEloSlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Spike 1.4 Leiden292264%
69/108
 50%
0.5/1
Quazar 0.4 64-bit2901 56%
18/32
11%
3.5/32
Zurichess Neuchatel 64-bit2901 61%
19.5/32
100%
1/1
Daydreamer 2.0.0-pre2 64-bit2894 61%
19.5/32
50%
0.5/1
Bright 0.5c2772 94%
17/18
18%
5.5/31
Twisted Logic 20090922 64-bit2771 83%
15/18
28%
9/32
Frenzee 3.5.19 64-bit2770 83%
15/18
23%
7.5/32
tomitankChess 3.0 64-bit2766 69%
12.5/18
20%
5/25
Jonny 4.002763 72%
13/18
30%
9/30
BugChess2 1.9 64-bit2759 78%
14/18
27%
8.5/31
Chronos 1.9.9 64-bit2740 78%
14/18
30%
9.5/32
Shield 2.1 64-bit2740 81%
14.5/18
0%
0/1
Chess Tiger 2007.12713 75%
13.5/18
37%
40/109
Colossus 2008b2642 100%
4/4
48%
38/79
Cyrano 0.6b17 64-bit2642 88%
3.5/4
43%
27.5/64
Sjakk 2.2 64-bit2638 75%
3/4
53%
17/32
Rodin 8.02635 75%
3/4
49%
16.5/34
E.T. Chess 13.01.082634 100%
4/4
52%
16.5/32
WyldChess 1.51 64-bit2631 100%
4/4
50%
16/32
WildCat 82624 75%
3/4
49%
33/67
NameEloSlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Movei 00.8.438 (10 10 10)2623 75%
3/4
54%
21.5/40
Orion 0.6 64-bit2623 100%
4/4
50%
16/32
Sloppy 0.2.2 64-bit2617 100%
4/4
43%
15/35
Rotor 0.82613 100%
4/4
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



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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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Match length (Minimum number of games to highlight with color):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on November 8, 2019