CCRL 40/4
Downloads and Statistics
December 14, 2019
Testing summary:
Total: 2'147'837 games
played by 2'515 programs
29208 CPU days (X2 4600+)

White wins: 831'895 (38.7%)
Black wins: 671'656 (31.3%)
Draws: 644'286 (30.0%)
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 December 14, 2019 with Bayeselo based on 2'147'837 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+
1SpaceDog 0.97.7 64-bit2243+19−1855.2%−39.225.0%1068 
100.0%
 SpaceDog 0.97.5.1 64-bit2113+21−2146.7%+23.321.0%840
97.1%
 SpaceDog 0.97.4 64-bit2088+16−1654.1%−33.719.2%1487
 

Results matrix

Custom engine selection
#NameElo123
1SpaceDog 0.97.7 64-bit2243   
2SpaceDog 0.97.5.1 64-bit2113   
3SpaceDog 0.97.4 64-bit2088   
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
1SpaceDog 0.97.7 64-bit2243 100.0100.0
2SpaceDog 0.97.5.1 64-bit21130.0 97.1
3SpaceDog 0.97.4 64-bit20880.02.9 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1SpaceDog 0.97.7 64-bit2243 896464
2SpaceDog 0.97.5.1 64-bit2113896 954
3SpaceDog 0.97.4 64-bit2088464954 
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
1SpaceDog 0.97.7 64-bit2243 47.018.2
2SpaceDog 0.97.5.1 64-bit211347.0 41.0
3SpaceDog 0.97.4 64-bit208818.241.0 
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 24 common opponents

Custom engine selection
NameEloSpaceDog
0.97.7
64-bit
SpaceDog
0.97.5.1
64-bit
SpaceDog
0.97.4
64-bit
tomitankChess 3.0 64-bit27650%
0/1
0%
0/1
 
Mango Paola Ajedrez 1.0218536%
11.5/32
41%
13/32
 
Atak 6.8218355%
17.5/32
38%
12/32
 
Uralochka 1.1d218359%
19/32
48%
15.5/32
 
Madeleine 0.2218259%
19/32
31%
10/32
 
Protej 0.5.8c217769%
22/32
35%
11/31
 
Baislicka 1.0 64-bit217648%
15.5/32
39%
12/31
 
Genesis 2.0217170%
22.5/32
52%
16.5/32
 
Blitzkrieg rev337 64-bit215956%
18/32
34%
11/32
48%
15/31
BlackBishop 1.0215670%
22.5/32
48%
15.5/32
37%
26.5/71
NagaSkaki 5.12215561%
19.5/32
48%
15.5/32
 
Alarm 0.93.1214567%
21.5/32
36%
11.5/32
51%
20/39
Lime 66214361%
19.5/32
42%
13.5/32
37%
26/70
Tunguska 1.0 64-bit214380%
25.5/32
59%
19/32
47%
15/32
Sunsetter 10.3 64-bit214050%
16/32
42%
13.5/32
45%
17.5/39
Fortress 1.622136 58%
18.5/32
38%
15/39
Nesik 0.7.0 alpha2133 41%
13/32
36%
14/39
WJChess 1.642131 52%
16.5/32
39%
12.5/32
Hedgehog 1.814 64-bit2125 52%
16/31
33%
9.5/29
Embla 1.0.3 64-bit2114 36%
11.5/32
38%
12/32
NameEloSpaceDog
0.97.7
64-bit
SpaceDog
0.97.5.1
64-bit
SpaceDog
0.97.4
64-bit
BikJump 2.01 64-bit2103 48%
15.5/32
61%
19.5/32
Clarabit 1.00 64-bit2098 47%
15/32
56%
38/68
JanWillem 1.131950100%
1/1
 50%
16/32
Warrior 1.0.31907 0%
0/1
66%
21/32
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

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 14, 2019