For beginners to chess master. Guess 100 checkmate tests of 5 moves or less against the chess game software of top level. Full description of these 100 checkmate tests with diagrams, pictures of the pieces and all the chess game rules with full of diagrams in order to illustrate these chess game rules are included in this chess book. In order to win against the chess game software of top level, you must make many sacrifices; without that, it's almost impossible to win against. Guess these 100 checkmate tests against the chess game software of top level and you will understand that reality ! At the chess game, the russian empire is on the wane ! The author is the winner of 809 chess against the chess game software of top level.