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.

Jan Timman vs Jan Donner
In 1973, Jan Timman faced Jan Donner in Amsterdam with a decisive opportunity on the board. Find the four-move mating net that decided this game.

Nikita Vitiugov vs Ivan Ryzhov
In Rybinsk 2004, Nikita Vitiugov found a way to finish the game against Ivan Ryzhov. This puzzle explores a mating net that White managed to construct in just four moves.

Alexandra Kosteniuk vs Tina Mietzner
In Dresden, 1999, Alexandra Kosteniuk faced Tina Mietzner in a game that reached a sudden, decisive conclusion. White finds a way to force checkmate in just four moves.

Herman Steiner vs Ludwig Rellstab Sr
In Reggio Emilia during 1951, Herman Steiner found a way to overwhelm Ludwig Rellstab Sr. with a direct mating attack. White possesses a forced mate in four to finish the game.

Zhao Xue vs Jovanka Houska
In Turin 2006, Zhao Xue found a way to navigate the complexities of this position against Jovanka Houska. White possesses a decisive mating net if the moves are found.

Efim Bogoljubov vs Rudolf Spielmann
In Stockholm 1919, Efim Bogoljubov faced the legendary Rudolf Spielmann in a game that concludes with a decisive mating net. White finds a way to deliver mate in four moves.

Tea Bosboom-Lanchava vs Anna Muzychuk
During their 2004 meeting in Calvia, Anna Muzychuk found a powerful way to finish the game against Tea Bosboom-Lanchava. This puzzle asks you to find the mating net Black can weave in just four moves.

Edward Lasker vs. George Alan Thomas
Try to solve this online chess puzzle. It is a difficult one. White to move and wins after an unusual 8th movement.
Difficulty
- Easy Chess Puzzles (21)
- Moderate Chess Puzzles (50)
- Hard Chess Puzzles (17)
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