The chessboard has been the source of many ingenious puzzles that involve spatial reasoning and insight thinking. The seven ...

Take on Evgeni Bebchuk in a recreation of a Moscow Championship game in Moscow, 1964. Solve for the best series of moves. By Daniel Naroditsky Perfect! mistakes made. Come back tomorrow for another ...

Take on Luděk Pachman in a recreation of a tournament game in Bled, 1961. Solve for the best series of moves. By Daniel Naroditsky Perfect! mistakes made. Come back tomorrow for another puzzle.

Take on David Bronstein in a recreation of an 18th World Championship game in Moscow, 1951. Solve for the best series of moves. By Daniel Naroditsky Perfect! mistakes made. Come back tomorrow for ...