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Player 1
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Opening Library

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Opening Library

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Merida

Database & Opening Explorer

This page serves as a comprehensive chess opening reference (Opening Explorer). Study various chess openings, theoretical moves from Grandmasters, and prepare the best variations from the start of the game. This feature is extremely useful for expanding your chess opening repertoire.

Millions of Master Games

Displays the most frequently played moves in any given position, pulled directly from an extensive master chess database.

Real-Time Stockfish Evaluation

While studying openings from the database, the Stockfish analysis engine evaluates the position live to assess the sharpness of the moves.

ECO Codes & Opening Names

Every formation you arrange will automatically detect its opening name and ECO code, making the learning process much easier.