Replay 381 winning chess with the black pieces against the chess game software of top level. Full description of these 381 winning chess, with the pictures of the pieces and all the chess game rules with full of diagrams are included in this chess game e-book. 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 these 428 winning chess with the white pieces in order to understand that reality ! At the chess game, the russian empire is on the wane !