CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
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 October 12, 2019 with Bayeselo based on 2'115'766 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+
1Amyan 1.722604+7−850.0%−0.228.2%7773 
100.0%
 Amyan 1.622542+19−1954.5%−56.626.8%1069
100.0%
 Amyan 1.5972462+11−1149.7%+1.927.3%2951
 

Results matrix

Custom engine selection
#NameElo123
1Amyan 1.722604   
2Amyan 1.622542   
3Amyan 1.5972462   
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
1Amyan 1.722604 100.0100.0
2Amyan 1.6225420.0 100.0
3Amyan 1.59724620.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Amyan 1.722604 437747
2Amyan 1.622542437 629
3Amyan 1.5972462747629 
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
1Amyan 1.722604 4.97.0
2Amyan 1.6225424.9 15.6
3Amyan 1.59724627.015.6 
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 32 common opponents

Custom engine selection
NameEloAmyan
1.72
Amyan
1.62
Amyan
1.597
Chronos 1.9.9 64-bit274075%
1.5/2
25%
8/32
 
Naum 2.0 32-bit270036%
10.5/29
 0%
0/1
E.T. Chess 13.01.08263423%
2.5/11
38%
12/32
 
Gandalf 62627100%
1/1
34%
11/32
 
Alfil 8.1.1 Optimized262638%
16/42
33%
10.5/32
 
Movei 00.8.438 (10 10 10)262344%
14.5/33
45%
14.5/32
30%
9.5/32
Slow Chess Blitz WV2.1261531%
4/13
40%
12.5/31
100%
1/1
Ruffian 2.1.0260850%
0.5/1
42%
26.5/63
 
Pseudo 0.7c257653%
23/43
 23%
7/30
SOS 5.1257455%
23/42
 40%
12/30
Aristarch 4.50256767%
27.5/41
 0%
0/1
Petir 4.39256671%
8.5/12
 41%
13/32
Petir 4.9999992556100%
1/1
29%
9/31
 
Jonny 2.83 32-bit255248%
14.5/30
 31%
10/32
Ktulu 4.2254559%
16/27
 45%
14.5/32
Ufim 8.02254059%
23.5/40
53%
17/32
37%
24/65
AnMon 5.75253957%
24/42
53%
17/32
 
SmarThink 0.17a253752%
15.5/30
 36%
11.5/32
Little Goliath Evolution 3.12250557%
17/30
64%
20.5/32
43%
40/94
Yace 0.99.87250477%
8.5/11
 42%
13.5/32
NameEloAmyan
1.72
Amyan
1.62
Amyan
1.597
Trace 1.37a2500 58%
18.5/32
45%
14.5/32
Bruja 1.9.1 64-bit249161%
19/31
 50%
16/32
Tao 5.62486100%
1/1
 55%
17.5/32
Cerebro 3.03d2472 55%
17.5/32
48%
22/46
Matacz 1.42446100%
1/1
 68%
23/34
SpiderChess 07060324390%
0/1
64%
20.5/32
45%
14.5/32
Abrok 5.02436100%
1/1
 25%
8/32
LambChop 10.992434 69%
22/32
53%
17/32
RomiChess P3k 64-bit2409 74%
23/31
51%
18.5/36
PostModernist 10162389100%
1/1
 64%
20.5/32
Dirty ACCA32369 62%
13/21
58%
7/12
Arion 1.72333100%
1/1
 55%
17.5/32
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



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):

Cross-tables show only best version of each engine
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Reference rating list:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on October 12, 2019