LThe sacrifice is one of the most beautiful, rewarding and complex aspects of chess. During a game the decision to give up material in order to get an advantage is probably the most difficult one a player has to take. Often, you have to burn your bridges without being able to fully calculate the consequences. Risks and rewards are racing through your mind, fighting for precedence while the clock keeps ticking. Now is the moment, because after the next move the window for this opportunity may be closed. In this book Ivan Sokolov presents a set of practical tools that wi.;Preface 6; Spielmann 6; Vukovic 6; Bronstein 7, 51-52; Houdini 7; Tal 7-8, 10-11, 69-70, 74-76, 79, 91-92, 94-98, 129, 140-143, 145, 150, 152-157, 161, 163-164, 166, 169, 172-174, 178, 180-181, 187, 227-228, 235-237; Aronian 8, 16, 26-27, 47, 140, 149-151, 205, 207-208, 210, 212-215; Kasparov 8, 64-67, 72-74, 76-79, 82-85, 87-88, 114-117, 158-160, 190-194, 205, 210-211, 215-220, 235, 237-240; Spassky 8, 51-52, 91, 99, 106, 109, 111, 123, 125, 129, 131, 178, 201, 203, 228-229; Part I; Initiative 9; RL 23.5 (C96); Tal, Mikhail; -- Geller, Efim; Riga ch-URS 1958 (12) 10; Chapter 1.