Rybka, Fritz lead on the computer rating lists

1/17/2009 – Running on an Intel Core 2 Quad 64-bit the program Rybka reaches an Elo rating of astronomic 3227 points (in tournament games against other computers). Second on the list is Deep Fritz 11 on the same hardware, 142 points below Rybka. The rating list is compiled by a Swedish group on the basis of thousands of games. Good news: both programs are available in our shop.

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SSDF Rating List January 17, 2009

The Swedish Chess Computer Association – Svenska schackdatorföreningen, SSDF – is an organization that tests computer chess software by playing chess programs against one another and producing a rating list. On September 26, 2008, the list was released with Deep Rybka 3 leading with an estimated Elo rating of 3238.

The SSDF list is one of the only statistically significant measures of chess engine strength, especially compared to tournaments, because it incorporates the results of thousands of games played on standard hardware at tournament time controls. The list reports not only absolute rating, but also error bars, winning percentages, and recorded moves of played games. After it came under criticism because of its use of sub-standard computers the SSDF started testing with an Intel Core 2 Quad 6600 2.4 GHz with 2 GB of RAM-memory and a 64-bit operating system.

For the first time SSDF has tested a chess program made by Alexandar Naumov. When we began to test Naum 3.1 on Q6600 2.4 GHz it was his latest program version. After 358 tournament games it´s rating is 3046, which makes it the fourth strongest program on the SSDF Rating List.

Frans Morschs Deep Fritz 11 running on Q6600 2.4 GHz takes the second place on the list with 3085! Compared to Fritz 11 on Athlon 1200 MHz, the rating increase is 166 points. Deep Rybka 3 has now also been tested on Athlon 1200 MHz, which resulted in a rating of 3066. As expected Vas Rajlich's program is strongest also on this slower single processor. On this hardware Deep Rybka 3 has 141 points more than Rybka 2.3.1 A1200, and 161 points less than on Q6600 2.4 GHz.

 # Program Hardware GHz Rating  +  – gms won opp.

 1

Deep Rybka 3 x64

2GB Q6600

2.4

3227

36

-31

673

86%

2924

 2

Deep Fritz 11

2GB Q6600

2.4

3085

31

-30

577

69%

2941

 3

Deep Rybka 3

256MB Athlon

1.2

3066

51

-50

190

54%

3034

 4

Zappa Mexico II x64

2GB Q6600

2.4

3064

33

-32

486

65%

2954

 5

Naum 3.1 x64

2GB Q6600

2.4

3046

38

-37

358

57%

2995

 6

Deep Shredder 11

2GB Q6600

2.4

3043

31

-29

564

64%

2941

 7

Deep Hiarcs 12 x64

2GB Q6600

2.4

3033

27

-26

716

66%

2920

 8

Hiarcs 11.2 MP

2GB Q6600

2.4

3008

30

-30

546

56%

2964

 9

Deep Junior 10.1

2GB Q6600

2.4

2981

31

-31

510

52%

2970

10

Rybka 2.3.1 Arena

256MB Athlon 1.2

2925

24

-24

842

56%

2884

11

Fritz 11

256MB Athlon

1.2

2919

33

-33

453

58%

2865

12

Deep Shredder 11

256MB Athlon

1.2

2913

34

-34

410

49%

2920

13

Deep Fritz 8

2GB Q6600

2.4

2909

28

-28

629

41%

2977

14

Rybka 1.2

256MB Athlon

1.2

2902

25

-24

893

71%

2747

15

Shredder 8 MP

2GB Q6600

2.4

2899

33

-34

441

43%

2948

16

Hiarcs 11.1

256MB Athlon

1.2

2875

24

-24

836

53%

2854

17

Junior 10.1

256MB Athlon

1.2

2857

22

-22

1006

54%

2831

18

Fritz 10

256MB Athlon

1.2

2848

37

-35

416

69%

2704

19

Junior 10

256MB Athlon

1.2

2841

23

-22

1002

65%

2728

20

Zap!Chess Zanzibar

256MB Athlon

1.2

2840

23

-22

956

53%

2817

Here's how the top programs fared in recent games:

Deep Fritz 11 2GB Q6600 2.4 GHz, vs

DRybka3 Q6600

14-26

DShre11 Q6600

26-14

DJun101 Q6600  

18.5-7.5

DShre11 A1200  

29.5-10.5

Juni101 A1200  

33.5-6.5

Junior8 A1200  

39.5-3.5

DRybka3 A1200

20-20

DHiarcs Q6600

17-7

Rybk231 A1200   

4.5-2.5

DFritz8 Q6600  

31.5-8.5

Shredd8 A1200 

5-1

Hiarcs9 A1200

39-3

Naum3.1 Q6600

20-20

Hiar112 Q6600  

31.5-20.5

Fritz11 A1200

28-12

Hiar111 A1200

13.4

DpFrit8 A1200  

30.5-9.5

Deep Rybka 3 256 MB Athlon 1.2 GHz vs

DFrit11 Q6600

20-20

DHiarcs Q6600  

21.5-18.5

Zap!Mx2 Q6600

20-20

Fritz11 A1200

22-8

DShre11 Q6600

20-20


Rybka 3 – Computer Chess World Champion

Rybka 3, the world’s strongest chess program, leads all ranking lists clearly, with ratings well above Elo 3000. The name translates to "little fish", and Rybka is the shooting star of computer chess and the reigning world champion, having won its title in Amsterdam 2007. But strength is not everything. Today the main use of chess software is interactive analysis. Rybka's superior playing strength helps you to quickly assess a position. But analysis with Rybka 3 is much more than just evaluations and best moves. In the user interface designed by ChessBase, Rybka 3 introduces several ground-breaking new analysis features.

Prices

Multi-processor version: Deep Rybka 3   99.90 Euro
Single processor version: Rybka 3   49.99 Euro
Rybka 3 Book   24.99 Euro

Note that Rybka 3 includes a database of one million games, and that the purchase of the program entitles you to one year of access to the chess server Playchess.com. Rybka 3 is a UCI engine, with 32 and 64-bit versions included in the package. Rybka can be made the default engine in ChessBase 10. Order Rybka now!

Links


FRITZ 11 and Deep Fritz 11

A year ago Fritz became the first commercial chess program in history to defeat a reigning World Champion in a formal match. Hundreds of thousands of chess fans followed the event on the Internet. In its games against Vladimir Kramnik Fritz displayed an astonishing degree of strategic understanding, underscoring its reputation as one of the strongest and best-loved chess programs in the world.

The new Fritz 11 – now availabe in the ChessBase Shop – has been vastly improved, compared to the version that beat the world champion. Its playing strength has improved by 80 Elo points. But it is also the entire package of new features that will impress chess fans. The program helps you with practical play, training and analysis, and does so in an entertaining way that fosters learning and understanding.

The main Fritz database contains over one million games, ranging from the years 1625 to 2007 – from the early beginnings of chess history to the latest top-level tournaments. The revised and extended openings book is more diverse and better tuned to the strengths and preferences of Fritz. A complete new feature, the “magic eye”, visualizes the thought processes of the engine on the 3D chessboard. You can directly follow the ideas that are going through the “mind” of the program.

Here's an interesting article on the Advantages of Deep Fritz 11, written by one of it's programmers, Mathias Feist.

System requirements: Pentium III 1.4 GHz or higher, 256 MB RAM, Windows XP or Windows Vista, GeForce5 or compatible graphics card with 128 MB RAM or higher, 100% DirectX compatible sound card, Windows Media Player 9, DVD ROM drive.

Fritz 11 costs 49.99 €uros
Deep Fritz 11 costs 99.90 €uros


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