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Chess Opening Repertoire Builder

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About Chess Opening Repertoire Builder

Chess Opening Repertoire Builder, or CORB, is a chess app for building, understanding and training your opening repertoire. You can play against AI in an opening of your choice.

Opening tools

  • Opening line graph: expand your repertoire through a graph display of opening lines.
  • Move annotations: annotate moves in the graph.
  • Opening database: search an official openings database.
  • Opening quizzes: test your knowledge of different openings by solving quizzes.
  • Preselected positions: play chess matches from selected positions.

Frequently asked questions

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