Petrov Defense>

CONTENTS
    1. Introduction
      1. a. Symmetry in chess
      2. b. The isolated Queen's pawn
    2. A. The Classical Variation, 3. Nxe5
      1. 3... d6
        1. 1. An alternative on move 4 for White: 4. Nxf7, The Cochrane Gambit
        2. 2. Main line with 4. Nf3
          1. 1.1 An alternative on move 5 for White: 5. Qe2, Lasker Variation
          2. 1.2 The main line with 5. d4
          3. 1.2 (a) 6...Bd6 Marshall Gambit
          4. 1.2 (b) 6...Be7 Main Line
            1. 1.2 (b1) Main line with 8. c4
            2. 1.2 (b2) Main line with 8. Re1
    3. B. The Steinitz Variation, 3. d4
      1. (a) 3...exd4
      2. (b) 3...Nxe4
        1. (b1) 4. dxe5
        2. (b2) 4. Bd3
          1. (b2-i) 5...Nd7
          2. (b2-ii) 5...Bd6
    4. C. White tries to get into the Four Knight's Game, 3. Nc3
    5. D. The Boden-Kieseritsky Gambit, 3. Bc4
    6. Example games
      1. Lasker - Pillsbury, St. Petersburg, 1895
      2. Kupreichik - Mikhailchishin, Kujbyshev, 1986

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