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Rybka Is World Champion Again

  • SonofPearl
  • on 5/19/09, 2:19 PM.

Rybka has retained it's title at the 17th World Computer Chess Championship, held in Pamplona, Spain from 11-18 May.  A report on last year's championship is here.

This year's event featured 10 of the top chess programs in a round-robin competition.  Of course, computers never tire, and are often pitted against one another over many hundreds, and even thousands of games to find their 'true' ratings.

Nevertheless, winning the World Championship again is a great achievement for the team behind the remarkable Rybka - unquestionably the strongest commercially available chess software.

This year's rules differed from last year in that the hardware for each program was limited to a maximum of 8 cores.  Last year Rybka ran on 40 cores! Surprised  But Rybka was still unstoppable, only giving up draws to Shredder and Hiarcs and winning the rest. Long live the little fish!

All the games are available at the International Computer Games Association Website.

The final standings were:


Program Hardware Score
1 Rybka Intel Xeon W5580 @ 3.2GHz x 8 8
2 Deep Sjeng AMD 3.2Ghz x 4 (r1-7), Intel X5560 @ 2.8Ghz x 8 (r8-9) 6.5
2 Shredder Intel Xeon W5580 @ 3.2GHz x 8 6.5
2 Junior Intel Xeon W5580 @ 3.2GHz x 8 6.5
5 Hiarcs Intel Xeon W5580 @ 3.2GHz x 8 6
6 Jonny
4.5
7 The Baron AMD Opteron 270 @ 2.0Ghz x 4 3
8 Equinox 8x Intel(R) Xeon(R) CPU X5355 2.66GHz 2
9 Pandix 2009
1.5
10 Joker 2.33GHz Core 2 Quad 0.5

 

Rybka's crucial last round win against Junior...

 

Here are the final moments of the decisive game and the announcement of Rybka's victory.

Computer Chess Champions

1974  
Kaissa
1977  
Chess 4.6
1980  
Belle
1983  
Cray Blitz
1986  
Cray Blitz
1989  
Deep Thought
1992  
ChessMachine (Gideon)
1995  
Fritz
1999  
Shredder
2002  
Deep Junior
2003  
Shredder
2004  
Deep Junior
2005  
Zappa
2006  
Junior
2007  
Rybka
2008  
Rybka
2009  
Rybka

4244 reads 17 comments
2 votes

Comments


  • 5 years ago

    auryjagr

    A heads up to anybody interested in purchasing Rybka 3 - Wholesalechess.com has it on sale for today only (Thursday) for $29.99 as part of their Thursday chess deals.

    http://www.wholesalechess.com/chess_deals.php/?ac=thursday

  • 5 years ago

    wealybinn

    Rybka are now top dog (what happened to Fritz?)

  • 5 years ago

    Pavrey

    Phew

  • 5 years ago

    PhilipN

    Up through about move 20 many of the moves look familiar from the game GM Becerra vs. Chess.com.

  • 5 years ago

    bondiggity

    Rybka has a monte carlo feature but that isn't the main method of analysis. 

  • 5 years ago

    qixel

    I hear that Rybka at least partially uses a Monte Carlo strategy in assessing a position.  I wonder if any of these other programs use it, and if this is the wave of the future in computer chess.  I've also heard that Monte Carlo is turning out to be virtually the only approach that is working in producing a decent go program.

    Amy

  • 5 years ago

    satorichess

    Computer games are boring exercises...... humans competitions are faraway better and fun.

    Humans do it better^^ ;-)

  • 5 years ago

    12345fu

    i have Rybka

  • 5 years ago

    mythmanu

    The first 20 moves are the same we had in the game with GM Becerra

  • 5 years ago

    Jaguarphd

    Why not instead 56. Rh7 pinning the queen. If queen takes then 56...Nf6+ winning the queen and white comes out of this up an exchange.

  • 5 years ago

    SilentWalker

    Computer games are crazy.

  • 5 years ago

    iliosis

    "Rybka" translates to "Fish" from Russian, hehe. Go fish!

  • 5 years ago

    bondiggity

    I think the hardware limit is a good idea. I mean take a look at the Rybka 3 hardware (now up to 52 cores!)

     

  • 5 years ago

    super12345

    Whatever happened to Fritz?

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