Symbol Legend -- Chess Notation -- The Opening -- Basic Opening Strategy -- Castling -- Development -- Fianchetto -- Opening Systems -- Albin Counter Gambit -- Alekhine's Defense -- Benko Gambit -- Bogo-Indian Defense -- Boring Opening (Reversed London System) -- Botvinnik Formation -- Budapest Gambit -- Caro-Kann Defense -- Center-Counter Defense -- Colle Opening -- Czech Benoni -- Dutch Defense -- English Opening -- Four Knights Opening -- French Defense -- Giuoco Piano -- Grob -- Grunfeld Defense -- Hedgehog Formation -- King's Gambit -- King's Indian Attack -- King's Indian Defense -- Larsen's Opening -- Modern Benoni Defense -- Nimzo-Indian Defense -- Orangutan -- Petroff Defense -- Pirc Defense -- Queen's Gambit, Chigorin System -- Queen's Gambit Accepted -- Queen's Gambit Declined -- QGD, Capablanca's Freeing Maneuver -- QGD, Tarrasch Defense -- Queen's Indian Defense -- Reti Opening -- Ruy Lopez -- Scotch Opening -- Semi-Slav Defense -- Sicilian Defense -- Slav Defense -- Stonewall Attack -- Torre Attack -- Trompowski Opening -- Two Knights Defense -- Veresov Opening -- Preparation -- Reversed Openings -- Opening Quizzes -- The Middlegame -- Attack Against the Enemy King -- Castling on Opposite Sides -- Castling on the Same Side -- Classic Bishop Sacrifice -- Combination -- Combination Themes -- Clearance Sacrifice -- Decoy -- Deflection -- Double Attack -- Fork -- Pins and Skewers -- Windmill -- X-Rays -- Zwischenzug -- King in the Center -- Kingside Focal Points -- Attack Against h7 -- Attack Against g7 -- Attack Against f7 -- Attack Against g6 -- Attack Against Dark-Squared Complex on f6, g7 and h6 -- Mating Net -- Mating Patterns -- Anastasia's Mate -- Back Rank Mate -- Blackburne's Mate -- Boden's Mate -- Damiano's Mate -- Greco's Mate -- Legal's Mate -- Morphy's Mate -- Morphy's Concealed Mate -- Pillsbury's Mate -- Reti's Mate -- Rook, Knight and Pawn Mate -- Smothered Mate -- Two Minor Piece Mate -- Sacrifice -- Tactical Vision -- Blockade -- Candidate Moves and Imbalances -- Centralization -- Closed and Open Positions -- Compensation -- Counterplay -- Defensive Strategy -- Entombed Pieces -- Initiative -- Material Advantage -- Minority Attack -- Minor Pieces -- Battle of the Minor Pieces -- Laws of Bishops -- Laws of Knights -- Two Bishops -- Two Knights -- Mysterious Rook Moves -- Open Files -- Alekhine's Gun/Tripling -- Doubled Rooks -- No Entrance! -- Opening a File -- The Trading File -- Who Owns the File? -- Overprotection -- Pawn Center -- Pawn Chain -- Pawn Structure -- Backward Pawns -- Doubled Pawns -- Isolated Pawns -- Isolated Pawn Couple -- Hanging Pawns -- Strategy (White) -- Strategy (Black) -- Hanging squares -- Passed Pawns -- Pawn Islands -- Tripled Pawns -- Pawn Tension -- Perpetual Check -- Piece Activity -- Plan -- Principle of Two Weaknesses -- Prophylaxis -- Queenside Pawn Majority -- Queenside Majority Versus Kingside Majority -- Queenside Majority Versus Central Majority -- Restriction -- Space -- Squares -- Static Versus Dynamic Advantages -- Support Points -- Trading Pieces -- Traps -- Middlegame Quizzes -- The Endgame -- Bishop and Wrong Rook Pawn -- Cat and Mouse -- Exchanging -- Minor Pieces in the Endgame -- Passed Pawns in the Endgame -- Passed Pawns in a Queen Endgame -- Pawn Majority and Outside Passed Pawn -- Promotion and Underpromotion -- Queen and Minor Piece Fights -- Stalemate -- Using the King -- King and Pawn verses King -- Opposition -- Saving Pawn Moves -- Square of the Pawn -- Triangulation -- Using the Rooks -- Active Rook -- Lucena Position -- Philidor Position -- Rooks Behind Passed Pawns -- Short and Long Side of the Board -- Two Hogs on the Seventh -- Endgame Quizzes -- Practical Matters -- Blunder -- Draw Offer -- Point Count -- Psychology -- Time Pressure.