This book is intended primarily for young chess players. Experienced chess players very often intentionally or unintentionally use many psychological techniques, young chess players, having no relevant experience, very often lose games or do not succeed only for psychological reasons. Chess is played by living people, not soulless machines, and the psychological state of the chess player and the ability or inability to recognize the psychological state of the opponent is a very important factor for choosing the next move, choosing the game plan, choosing the game strategy and choosing the answer to the offer of a draw.