Chess puzzle software for intermediate chess players and beginners to learn, practice, and improve chess tactics. The winning motifs of all chess puzzles are explained in details. The puzzles were carefully selected from many, many training positions, compositions, and real games. The demo version includes the first 100 puzzles. The full version of 800 Chess Puzzles is delivered to the licensee within 5 working days through e-mail as a single zip file. The licensee name is printed on the title bar of the full version of 800 Chess Puzzles.