Description:900 Chess Puzzles is designed for beginners and intermediate chess players to learn and practice chess tactics, and improve logical thinking. The chess puzzles of the program were carefully selected from many training positions, chess compositions, and real chess games. 900 Chess Puzzles runs with the puzzle solution hints and solutions. The winning motifs of all chess puzzles are explained in details. The demo version includes 100 chess puzzles and the full version 900. The full version is compiled personally for each licensee, with his or her name printed on the program title bars, as a single zip file. The file size of the full version is around 5.5 MB. The full version is delivered within 3 working day via a special link provided by chesselo.com for download.