Hard Chess Puzzles

Play and solve advanced, hard, difficult and plain nasty chess puzzles for advanced chess players. You’ll find solutions and historical details and you can play each puzzle live against the computer.

diagram of Robert Thacker vs. Bobby Fischer chess puzzle

Robert Thacker vs. Bobby Fischer

A beautiful example of underpromotion in this chess puzzle from grand master Robert Fischer. Black to move and mate in 2.

diagram of Wilhelm Steinitz vs. David Sands chess puzzle

Wilhelm Steinitz vs. David Sands

Wilhelm Steinitz vs. David Sands, New York, 1887. White to move and wins in 2.

diagram of Viktor Korchnoi vs. Peterson chess puzzle

Viktor Korchnoi vs. Peterson

Viktor Korchnoi vs. Peterson, Kiev, 1964. White to move and win in 4.

diagram of Li vs. Alitha chess puzzle

Li vs. Alitha

Hard puzzle, mate in 5, white to move.