CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 3 engines!
3 selected engines played 0 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 10, 2019 with Bayeselo based on 1'104'091 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+
1Kurt 0.9.2.2 64-bit2169+21−2148.0%+15.624.0%792 
100.0%
 Kurt 0.9.2 32-bit2113+23−2348.3%+13.426.6%672
100.0%
 Kurt 2710091997+32−3245.0%+32.626.3%339
 

Results matrix

Custom engine selection
#NameElo123
1Kurt 0.9.2.2 64-bit2169   
2Kurt 0.9.2 32-bit2113   
3Kurt 2710091997   
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
1Kurt 0.9.2.2 64-bit2169 100.0100.0
2Kurt 0.9.2 32-bit21130.0 100.0
3Kurt 27100919970.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Kurt 0.9.2.2 64-bit2169 21698
2Kurt 0.9.2 32-bit2113216 329
3Kurt 271009199798329 
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
1Kurt 0.9.2.2 64-bit2169 14.88.7
2Kurt 0.9.2 32-bit211314.8 32.5
3Kurt 27100919978.732.5 
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 37 common opponents

Custom engine selection
NameEloKurt
0.9.2.2
64-bit
Kurt
0.9.2
32-bit
Kurt
271009
AliChess 4.25228438%
1.5/4
25%
0.5/2
 
Atak 6.8223625%
1/4
50%
1/2
 
Dolphin 1.0 64-bit222925%
1.5/6
70%
7/10
 
Adam 3.3221035%
3.5/10
36%
6.5/18
 
BlackBishop 1.022010%
0/1
38%
3/8
 
OBender 3.2.4.2219146%
11.5/25
 25%
0.5/2
Hamsters 0.0.62177 45%
4.5/10
25%
0.5/2
Clever Girl r160 64-bit217450%
3/6
35%
3.5/10
 
Clever Girl r185 64-bit216950%
1/2
40%
4/10
 
KnockOut 0.7.1215042%
10/24
46%
11/24
50%
1/2
Prophet 2.0 32-bit213769%
16.5/24
50%
2/4
 
Parrot 07.07.22213550%
2/4
62%
2.5/4
 
Barbarossa 0.4.0 64-bit21330%
0/4
75%
1.5/2
 
Adam 3.22131 100%
2/2
12%
0.5/4
Bearded 06_29_022130 21%
3/14
25%
0.5/2
Clarabit 1.00 32-bit2115 50%
2/4
0%
0/2
ChessKISS 1.3a 32-bit2111 30%
3/10
25%
2.5/10
DoubleCheck 2.1 32-bit2111 25%
0.5/2
30%
3/10
Napoleon 1.4.0 64-bit210950%
2/4
 25%
1.5/6
Carballo 0.5209675%
1.5/2
49%
19.5/40
38%
1.5/4
NameEloKurt
0.9.2.2
64-bit
Kurt
0.9.2
32-bit
Kurt
271009
FireFly 2.5.6 32-bit2087 33%
2/6
25%
2/8
BikJump 2.01 32-bit208479%
19/24
38%
1.5/4
33%
4/12
Ifrit j2.92079 50%
4.5/9
62%
2.5/4
Protej 0.5.72054 58%
7/12
25%
2/8
Rhetoric 0.10.d205050%
5/10
50%
1/2
 
PLP 16615712046 61%
8.5/14
57%
8/14
Jabba 1.0 32-bit2043 66%
14.5/22
35%
3.5/10
ECE 1.12039 40%
2/5
40%
4/10
ChessMind 0.82203177%
18.5/24
100%
2/2
100%
4/4
Slibo 0.5.12024 65%
13/20
50%
3/6
Bubble 1.5201158%
3.5/6
78%
15.5/20
40%
4/10
Schola 1.1.0 32-bit1991 62%
5/8
56%
10/18
AdroitChess 0.3198375%
1.5/2
56%
4.5/8
 
Dabbaba 5.67196475%
1.5/2
75%
1.5/2
60%
6/10
MatMoi 7.15.0-cct 32-bit1938 79%
9.5/12
60%
6/10
Reger 0.091907 88%
7/8
56%
10/18
Jabba 130320121905100%
1/1
100%
2/2
 
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
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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 December 10, 2019