Guess 100 tests of checkmate of 5 moves or less against the chess computers of top level; with full of diagrams to illustrate and solution of these tests. In order to win against the chess computers of top level, you must do many sacrifices; without that, it's almost impossible to win against them. Look at these winning chess to understand that reality The author, J.C. Grenon has won 809 chess against the chess computers of top level; 428 with the white pieces and 381 with the black pieces. At chess, the russian empire is on the wane Guess 100 tests of checkmate of 5 moves or less against the chess computers of top level. Full description of these 100 tests of checkmate with diagrams, pictures of the pieces and a user's guide included in this book of chess.In orderto win against the chess computers of top level, you must make many sacrifices; without that, it's almost impossible to win against them. Analyse these 100 tests of checkmate against the chess computers of top level and you understand that reality At chess, the russian empire is on the wane Table of contents Algebraical description Algebraical positions Initial position of the pieces Symbols Nature and objective of chess Chessboard pieces form Chessboard Topography Chessboard pieces Algebraic notation without drawing Algebraic notation with drawing Pawns The Blacks can eliminate the Bishop in g6 Exception if "prise en passant" (e.p). Prise en passant (e.p) The result if prise en passant Let's suppose that it eliminates the Knight in f6. Promotion of a white pawn Imminent promotion of the pawn c7 Promotion of the pawn c7 Imminent promotion Promotion of the pawn e7 in Knight, and checkmate. Rooks The Bishops The Knights The King King's side castle - white and Black pieces Before King's side castle King's side castle for Whites and Blacks pieces King's side castle forbidden for the whites pieces Other King's side castle forbidden for the white pieces Still King's side castle forbidden for the white pieces Queen's side castle Before Queen's side castle Queen's side castle -black and white pieces Queen's side castle forbidden for the white pieces Other Queen's side castle forbidden for the white pieces Again Queen's side castle forbidden for the white pieces Absolute value of pieces Finales bringing draw Finales bringing victory The draw games Stalemate If the same position 3 times in succession is got: draw. Perpetual check Checkmate with only one Rook Checkmate with 2 Bishops Checkmate with 1 Bishop and 1 Knight Here are some basic notions to be known. The square of the pawn Notions of opposition The greatest 5 types of opening Questions often asked by the pupils Some technical considerations 10 main principles of chess Glossary Bibliography TEST 1 TEST 10 TEST 20 TEST 30 TEST 40 TEST 50 TEST 60 TEST 70 TEST 80 TEST 90