Chess Openings: Common Mistakes and Puzzles
Pick an opening to see where players go wrong in it, the losing moves to avoid and puzzles to practise.
New opening pages are added every day.
Tools
More free chess tools
Import a game from Chess.com, Lichess or a PGN and get a full review.
Enter a Chess.com username and review any recent game.
Enter a Lichess username or paste a PGN to review it.
Analyze any position with a free Stockfish engine.
Set up a position and see the engine’s top moves.
Drag pieces to set up a position and copy the FEN.
Online chess timer with increment for over-the-board games.
See the rating points you gain or lose after a game.
How to set up a chess board, with a diagram.
How accuracy scores are calculated, and why sites differ.