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How to Use Rybka

Rybka is a chess-playing computer software engine created by an MIT-trained computer scientist. If you have Windows, you can play this top-ranked chess program.


  • Step 1: Learn computer chess terms Learn computer chess terms. A "Chess Engine" recommends moves and provides evaluation scores for chess positions; "PGN" is a format that records game moves in ASCII; and "ELO Rating" is a player skill-level rating feature.
  • Step 2: Download a free GUI for Rybka Download a free GUI, or Graphical User Interface, made to work with Rybka. Tarrasch is a free downloadable GUI recommended by Rybka developers. Beginners should try a free version.
  • TIP: Free downloadable Rybka engines work with Rybka 2.2n2, not newer engine versions like Rybka 3.
  • Step 3: Download a free demo of a commercial GUI Download a free demo of a commercial GUI, such as Aquarium, made to run with the more advanced and powerful Rybka 3 engine. A commercial GUI can be bought as a download or DVD.
  • TIP: Rybka 3 can also be played online for free at without a software download.
  • Step 4: Learn about the Rybka 3 engine Learn about the Rybka 3 engine. While Rybka 2.2n2 serves as a basic computer chess program for beginners, Rybka 3 has an extensive database that can analyze opening game moves in near-infinite permutations.
  • Step 5: Download the official Rybka 3 book Download the official Rybka 3 book by Jeroen Noomen. This book is downloaded within a Rybka program in .CTG and .HSH formats. It’s particularly recommended for its analyses of opening moves.
  • FACT: Deep Blue, an IBM supercomputer, played chess against world chess champion Garry Kasparov and won in fewer than 20 moves.

You Will Need

  • Computer with Windows
  • Internet access
  • Rybka-compatible GUI software
  • Rybka engine software
  • Rybka 3 book

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