Play better and better at the chess game and win almost always, even against the chess game software of top level. This chess game e-book contains all the chess game rules with the technical and tactical considerations and full of diagrams in order to illustrate the chess game rules; also guess 100 checkmate tests with diagrams (5 moves or less) + 100 quick chess of 23 moves or less. In order to win against the chess game software of top level, you must do many sacrifices; without that, it's almost impossible to win against. Replay the winning chess in order to understand that reality ! The author, J.C. Grenon has won 809 chess against the chess game softwares of top level; 428 with the white pieces and 381 with the black pieces. At the chess game, the russian empire is on the wane!