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Chess/Index of chess topics

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

Chess topics A Arimaa Chess/Algebraic notation B Chess/Basic Openings C ChessChess/Analysis of KQK EndgameChess/Sample chess gameChess/Tournaments D E Chess Opening Theory/ECO index Chess Opening Theory/ECO volume A(Chess/ECOA) Chess Opening Theory/ECO volume B(Chess/ECOB) Chess Opening Theory/ECO volume C(Chess/ECOC) Chess Opening Theory/ECO volume D( Chess/ECOD) Chess Opening Theory/ECO volume E( Chess/ECOE) Chess Strategy Chess Strategy/Development Chess Strategy/Mobility Chess Strategy/The center Chess Strategy/The positions of the kings Chess Strategy/Weak and strong squares Chess Strategy/Pawn structure Chess Strategy/Queenside pawn majority Chess Strategy/Open lines Chess Strategy/Minor pieces I Chess/Index of chess topics N Chess/Notating The Game O Chess Opening Theory Chess Opening Theory/1. d4 Chess Opening Theory/1. e4 Chess Opening Theory/Organization Chess/Opening theory table P Chess/Playing The GameChess/PuzzlesChess/Puzzles/EndgameChess/Puzzles/Endgame/Puzzle 1Chess/Puzzles/Endgame/Puzzle 1/SolutionChess/Puzzles/Endgame/Puzzle 2Chess/Puzzles/Endgame/Puzzle 2/SolutionChess/Puzzles/MiddlegameChess/Puzzles/Middlegame/Match 1Chess/Puzzles/Middlegame/Match 1/SolutionChess/Puzzles/Middlegame/Match 2Chess/Puzzles/Middlegame/Match 2/SolutionChess/Puzzles/Middlegame/Match 3Chess/Puzzles/Middlegame/Match 3/SolutionChess/Puzzles/Middlegame/Match 4Chess/Puzzles/PlacementChess/Puzzles/Placement/14 BishopsChess/Puzzles/Placement/14 Bishops/SolutionChess/Puzzles/Placement/32 KnightsChess/Puzzles/Placement/32 Knights/SolutionChess/Puzzles/Placement/8 QueensChess/Puzzles/DirectmatesChess/Puzzles/Directmates/Fourteen-move 1Chess/Puzzles/Directmates/Fourteen-move 1/HintChess/Puzzles/Directmates/Fourteen-move 1/SolutionChess/Puzzles/Directmates/Three-move 1Chess/Puzzles/Directmates/Three-move 1/SolutionChess/Puzzles/Directmates/Three-move 2Chess/Puzzles/Directmates/Three-move 2/SolutionChess/Puzzles/Directmates/Three-move 3Chess/Puzzles/Directmates/Three-move 3/SolutionChess/Puzzles/Directmates/Three-move 4Chess/Puzzles/Directmates/Three-move 4/SolutionChess/Puzzles/Directmates/Three-move 5Chess/Puzzles/Directmates/Three-move 5/SolutionChess/Puzzles/Directmates/Three-move 6Chess/Puzzles/Directmates/Three-move 6/SolutionChess/Puzzles/Directmates/Three-move 7Chess/Puzzles/Directmates/Three-move 7/SolutionChess/Puzzles/Directmates/Three-move 8Chess/Puzzles/Directmates/Three-move 8/SolutionChess/Puzzles/Directmates/Two-move 1Chess/Puzzles/Directmates/Two-move 1/SolutionChess/Puzzles/Directmates/Two-move 2Chess/Puzzles/Directmates/Two-move 2/SolutionChess/Puzzles/Directmates/Two-move 3Chess/Puzzles/Directmates/Two-move 3/SolutionChess/Puzzles/Directmates/Two-move 4Chess/Puzzles/Directmates/Two-move 4/SolutionChess/Puzzles/Directmates/Two-move 5Chess/Puzzles/Directmates/Two-move 5/SolutionChess/Puzzles/Directmates/Two-move 6Chess/Puzzles/Directmates/Two-move 6/SolutionChess/Puzzles/Directmates/Two-move 7Chess/Puzzles/Directmates/Two-move 7/Solution S Chess/Strategy Chess/Sicilian Defense T Chess/TacticsChess/Tactics ExercisesChess/The Endgame V Chess/VariantsChess/Variants/Bug HouseChess/Variants/Chinese ChessChess/Variants/Crazy House‎Chess/Variants/Random Opening Chess W Wikibooks:Chess related Wikibooks:Chess talk - :Chess/Templates talk Chess topics from Chess Opening Theory (book) ECO A00 1. Irregular Openings Chess Opening Theory/1. Na3 Chess Opening Theory/1. Nc3 Chess Opening Theory/1. Nc3/1...d5 Chess Opening Theory/1. d4/1...d5/2. Nc3 Chess Opening Theory/1. Nc3/1...d5/2. e4 Chess Opening Theory/1. Nc3/1...e5 Chess Opening Theory/1. e4/1...e5/2. Nc3 Chess Opening Theory/1. Nc3/1...e5/2. Nf3 Chess Opening Theory/1. Nc3/1...c5 Chess Opening Theory/1. e4/1...c5/2. Nc3 Chess Opening Theory/1. Nc3/1...c5/2. Nf3 Chess Opening Theory/1. a3 Chess Opening Theory/1. a4 Chess Opening Theory/1. a4/1...a5 Chess Opening Theory/1. a4/1...e5 Chess Opening Theory/1. a4/1...e5/2. Ra3 Chess Opening Theory/1. a4/1...e5/2. h4 Chess Opening Theory/1. b4 Chess Opening Theory/1. b4/1...d5 Chess Opening Theory/1. b4/1...e5 Chess Opening Theory/1. b4/1...Nf6 Chess Opening Theory/1. c3 Chess Opening Theory/1. c3/1...d5 Chess Opening Theory/1. d3 Chess Opening Theory/1. d3/1...d5 Chess Opening Theory/1. d3/1...e5 Chess Opening Theory/1. e3 Chess Opening Theory/1. e3/1...d5 Chess Opening Theory/1. e3/1...e5 Chess Opening Theory/1. f3 Chess Opening Theory/1. f3/1...e5 Chess Opening Theory/1. f3/1...e5/2. g4 Chess Opening Theory/1. f3/1...e5/2. g4/2...Qh4 Chess Opening Theory/1. g3 Chess Opening Theory/1. g3/1...d5 Chess Opening Theory/1. g3/1...Nf6 Chess Opening Theory/1. g3/1...g6 Chess Opening Theory/1. g4 Chess Opening Theory/1. g4/1...d5 Chess Opening Theory/1. g4/1...e5 Chess Opening Theory/1. g4/1...e5/2. d3‎ Chess Opening Theory/1. g4/1...e5/2. f3‎ Chess Opening Theory/1. g4/1...e5/2. f4 Chess Opening Theory/1. h3 Chess Opening Theory/1. Nh3 Chess Opening Theory/1. Nh3/1...d5 Chess Opening Theory/1. Nh3/1...e5 Chess Opening Theory/1. h4 ECO A01-A03 1. b3 and 1. f4 Chess Opening Theory/1. b3 Chess Opening Theory/1. b3/1...d5 Chess Opening Theory/1. b3/1...d5/2. Bb2 Chess Opening Theory/1. b3/1...d5/2. Nf3 Chess Opening Theory/1. b3/1...e5 Chess Opening Theory/1. b3/1...e5/2. Bb2 Chess Opening Theory/1. b3/1...e5/2. c4 Chess Opening Theory/1. f4 Chess Opening Theory/1. f4/1...d5 Chess Opening Theory/1. f4/1...d5/2. Nf3 Chess Opening Theory/1. f4/1...e5 Chess Opening Theory/1. f4/1...e5/2. e4 Chess Opening Theory/1. f4/1...e5/2. fxe5 Chess Opening Theory/1. f4/1...e5/2. g4 Chess Opening Theory/1. f4/1...e5/2. g4/2...Qh4 Chess Opening Theory/1. f4/1...Nf6 Chess Opening Theory/1. f4/1...f5 ECO A04-A09 1. Nf3 Chess Opening Theory/1. Nf3 Chess Opening Theory/1. Nf3/1...Nf6 Chess Opening Theory/1. Nf3/1...Nf6/2. b3 Chess Opening Theory/1. Nf3/1...Nf6/2. c4 Chess Opening Theory/1. Nf3/1...Nf6/2. c4/2...b6 Chess Opening Theory/1. Nf3/1...Nf6/2. c4/2...c5 Chess Opening Theory/1. Nf3/1...Nf6/2. c4/2...e6 Chess Opening Theory/1. Nf3/1...Nf6/2. c4/2...g6 Chess Opening Theory/1. Nf3/1...Nf6/2. d4 Chess Opening Theory/1. Nf3/1...Nf6/2. e3 Chess Opening Theory/1. Nf3/1...Nf6/2. g3 Chess Opening Theory/1. Nf3/1...c5 Chess Opening Theory/1. Nf3/1...c5/2. c4 Chess Opening Theory/1. Nf3/1...c5/2. e4 Chess Opening Theory/1. Nf3/1...c5/2. d4 Chess Opening Theory/1. Nf3/1...c5/2. g3 Chess Opening Theory/1. Nf3/1...c5/2. b3 Chess Opening Theory/1. Nf3/1...d5 Chess Opening Theory/1. Nf3/1...d5/2. c4 Chess Opening Theory/1. Nf3/1...d5/2. g3 Chess Opening Theory/1. Nf3/1...d5/2. g3/2...c5 Chess Opening Theory/1. Nf3/1...d5/2. g3/2...c5/3. Bg2 Chess Opening Theory/1. Nf3/1...d6 Chess Opening Theory/1. Nf3/1...f5 Chess Opening Theory/1. Nf3/1...f5/2. c4 Chess Opening Theory/1. Nf3/1...f5/2. d4 Chess Opening Theory/1. Nf3/1...f5/2. e4 Chess Opening Theory/1. Nf3/1...f5/2. e4/2...fxe4 Chess Opening Theory/1. Nf3/1...f5/2. g3 Chess Opening Theory/1. Nf3/1...g6 ECO A10-A39 1. c4 English Opening Chess Opening Theory/1. c4 Chess Opening Theory/1. c4/1...c5 Chess Opening Theory/1. c4/1...c5/2. Nc3 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...Nf6 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2/4...Bg7 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2/4...Bg7/5. Nf3 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2/4...Bg7/5. Nf3/5...Nf6 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2/4...Bg7/5. Nf3/5...Nf6/6. O-O Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2/4...Bg7/5. Nf3/5...Nf6/6. O-O/6...O-O Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2/4...Bg7/5. Nf3/5...Nf6/6. O-O/6...O-O/7. d4 Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. Nf3 Chess Opening Theory/1. c4/1...c5/2. e4 Chess Opening Theory/1. c4/1...c5/2. Nf3 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...Nc6 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...Nf6 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...Nf6/3. d4 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...Nf6/3. d4/3...cxd4 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...Nf6/3. d4/3...cxd4/4. Nxd4 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...Nf6/3. d4/3...e6 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...Nf6/3. g3 Chess Opening Theory/1. c4/1...c5/2. Nf3/2...g6 Chess Opening Theory/1. c4/1...c6 Chess Opening Theory/1. c4/1...c6/2. d4 Chess Opening Theory/1. c4/1...c6/2. e4 Chess Opening Theory/1. c4/1...c6/2. Nf3 Chess Opening Theory/1. c4/1...c6/2. Nf3/2...d5 Chess Opening Theory/1. c4/1...c6/2. Nf3/2...d5/3. b3 Chess Opening Theory/1. c4/1...d5 Chess Opening Theory/1. c4/1...d5/2. d4 Chess Opening Theory/1. c4/1...d5/2. Nf3 Chess Opening Theory/1. c4/1...d5/2. cxd5 Chess Opening Theory/1. c4/1...e5 Chess Opening Theory/1. c4/1...e5/2. Nc3 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nc6 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nc6/3. g3 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nc6/3. Nf3 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nc6/3. Nf3/3...Nf6 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nc6/3. Nf3/3...Nf6/4. g3 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nf6 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nf6/3. g3 Chess Opening Theory/1. c4/1...e5/2. Nc3/2...Nf6/3. Nf3 Chess Opening Theory/1. c4/1...e5/2. d4 Chess Opening Theory/1. c4/1...e5/2. g3 Chess Opening Theory/1. c4/1...e5/2. g3/2...Nc6 Chess Opening Theory/1. c4/1...e5/2. g3/2...Nc6/3. Nc3 Chess Opening Theory/1. c4/1...e5/2. g3/2...Nc6/3. Bg2 Chess Opening Theory/1. c4/1...e5/2. g3/2...Nf6 Chess Opening Theory/1. c4/1...e5/2. g3/2...Nf6/3. Nc3 Chess Opening Theory/1. c4/1...e5/2. g3/2...Nf6/3. Bg2 Chess Opening Theory/1. c4/1...e6 Chess Opening Theory/1. c4/1...e6/2. Nc3 Chess Opening Theory/1. c4/1...e6/2. Nc3/2...d5 Chess Opening Theory/1. c4/1...e6/2. Nc3/2...Nf6 Chess Opening Theory/1. c4/1...e6/2. Nc3/2...b6 Chess Opening Theory/1. c4/1...e6/2. Nc3/2...c5 Chess Opening Theory/1. c4/1...e6/2. Nc3/2...Bb4 Chess Opening Theory/1. c4/1...e6/2. d4 Chess Opening Theory/1. c4/1...e6/2. Nf3 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. g3 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. g3/3...Nf6 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. g3/3...Nf6/4. Bg2 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. g3/3...Nf6/4. Bg2/4...Be7 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. g3/3...Nf6/4. Bg2/4...Be7/5. O-O Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. g3/3...Nf6/4. Bg2/4...Be7/5. O-O/5...O-O Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. d4 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. b3 Chess Opening Theory/1. c4/1...e6/2. Nf3/2...Nf6 Chess Opening Theory/1. c4/1...Nf6 Chess Opening Theory/1. c4/1...Nf6/2. b3 Chess Opening Theory/1. c4/1...Nf6/2. Nc3 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...c5 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...c5/3. Nf3 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...d5 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...e6 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...e6/3. d4 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...e6/3. e4 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...e6/3. e4/3...c5 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...e6/3. Nf3 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...e5 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...g6 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...g6/3. d4 Chess Opening Theory/1. c4/1...Nf6/2. Nc3/2...g6/3. Nf3 Chess Opening Theory/1. c4/1...Nf6/2. d4 Chess Opening Theory/1. c4/1...Nf6/2. Nf3 Chess Opening Theory/1. c4/1...Nf6/2. g3 Chess Opening Theory/1. c4/1...g6 Chess Opening Theory/1. c4/1...g6/2. Nc3 Chess Opening Theory/1. c4/1...g6/2. d4 Chess Opening Theory/1. c4/1...g6/2. g3 ECO A40 1.d4 without 1...Nf6,d5,d6,c5 or f5 Irregular Queen's Pawn Chess Opening Theory/1. d4 Chess Opening Theory/1. d4/1...Nc6 Chess Opening Theory/1. d4/1...b5 Chess Opening Theory/1. d4/1...b6 Chess Opening Theory/1. d4/1...c6 Chess Opening Theory/1. d4/1...c6/2. c4 Chess Opening Theory/1. d4/1...d6 Chess Opening Theory/1. d4/1...d6/2. c4 Chess Opening Theory/1. d4/1...e5 Chess Opening Theory/1. d4/1...e6 Chess Opening Theory/1. d4/1...e6/2. c4 Chess Opening Theory/1. d4/1...e6/2. c4/2...b6 Chess Opening Theory/1. d4/1...g6 Chess Opening Theory/1. d4/1...g6/2. c4 ECO A41-A42 1.d4 d6 Modern Defence Chess Opening Theory/1. d4/1...d6 Chess Opening Theory/1. d4/1...d6/2. c4 ECO A43-A44 1.d4 c5 Old Benoni Chess Opening Theory/1. d4/1...c5 Chess Opening Theory/1. d4/1...c5/2. d5 ECO A80-A99 1.d4 f5 Dutch Defence Chess Opening Theory/1. d4/1...f5 Chess Opening Theory/1. d4/1...f5/2. e4 Chess Opening Theory/1. d4/1...f5/2. Nf3 Chess Opening Theory/1. d4/1...f5/2. Bg5 Chess Opening Theory/1. d4/1...f5/2. g3 Chess Opening Theory/1. d4/1...f5/2. g3/2...Nf6 Chess Opening Theory/1. d4/1...f5/2. g3/2...g6 Chess Opening Theory/1. d4/1...f5/2. c4 Chess Opening Theory/1. d4/1...f5/2. c4/2...g6 1.d4 d5 Chess Opening Theory/1. d4/1...d5 Chess Opening Theory/1. d4/1...d5/2. Nc3 Chess Opening Theory/1. d4/1...d5/2. Nf3 Chess Opening Theory/1. d4/1...d5/2. c4 Chess Opening Theory/1. d4/1...d5/2. c4/2...Nc6 Chess Opening Theory/1. d4/1...d5/2. c4/2...c6 Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nf3 Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nf3/3...Nf6 Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nf3/3...Nf6/4. Nc3 Chess Opening Theory/1. d4/1...d5/2. c4/2...c5 Chess Opening Theory/1. d4/1...d5/2. c4/2...dxc4 Chess Opening Theory/1. d4/1...d5/2. c4/2...dxc4/3. Nf3 Chess Opening Theory/1. d4/1...d5/2. c4/2...dxc4/3. Nf3/3...Nf6 Chess Opening Theory/1. d4/1...d5/2. c4/2...dxc4/3. e4 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6/4. Bg5 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6/4. Bg5/4...Nbd7 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6/4. Nf3 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6/4. Nf3/4...c6 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6/4. Nf3/4...c6/5. Bg5 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nf3 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nf3/3...Nf6 Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nf3/3...Nf6/4. g3 Chess Opening Theory/1. d4/1...d5/2. c4/2...e5 Chess Opening Theory/1. d4/1...d5/2. c4/2...Bf5 Chess Opening Theory/1. d4/1...d5/2. Qd3 Chess Opening Theory/1. d4/1...d5/2. Kd2 Chess Opening Theory/1. d4/1...d5/2. e4 Chess Opening Theory/1. d4/1...d5/2. Bg5 1.d4 Nf6 Chess Opening Theory/1. d4/1...Nf6 Chess Opening Theory/1. d4/1...Nf6/2. Nc3 Chess Opening Theory/1. d4/1...Nf6/2. Nf3 Chess Opening Theory/1. d4/1...Nf6/2. Nf3/2...b5 Chess Opening Theory/1. d4/1...Nf6/2. Nf3/2...d5 Chess Opening Theory/1. d4/1...Nf6/2. Nf3/2...e6 Chess Opening Theory/1. d4/1...Nf6/2. Nf3/2...e6/3. Bf4 Chess Opening Theory/1. d4/1...Nf6/2. Nf3/2...g6 Chess Opening Theory/1. d4/1...Nf6/2. c4 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...c5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...c5/3. d5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...c5/3. d5/3...b5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...c5/3. Nf3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...Nc6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...Nc6/3. Nc3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...Nc6/3. Nc3/3...e6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...Nc6/3. Nf3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...Nc6/3. Nf3/3...e6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...d6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...d5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nc3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nc3/3...Bb4 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nc3/3...Bb4/4. Qb3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nc3/3...Bb4/4. Qc2 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nc3/3...Bb4/4. a3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nf3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nf3/3...b6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nf3/3...Bb4 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. g3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Bg5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...Bg7 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...Bg7/4. Nf3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...Bg7/4. e4 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...Bg7/4. e4/4...d6 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...Bg7/4. e4/4...O-O Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...d5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...d5/4. cxd5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...d5/4. cxd5/4...Nxd5 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...d5/4. cxd5/4...Nxd5/5. Na4 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nf3 Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nf3/3...Bg7 ECO B00 1.e4 other Chess Opening Theory/1. e4 Chess Opening Theory/1. e4/1...a5 Chess Opening Theory/1. e4/1...Na6 Chess Opening Theory/1. e4/1...a6 Chess Opening Theory/1. e4/1...a6/2. Bc4 Chess Opening Theory/1. e4/1...a6/2. Bc4/2...b5 Chess Opening Theory/1. e4/1...a6/2. Bc4/2...b5/3. Bxf7 Chess Opening Theory/1. e4/1...a6/2. Bc4/2...b5/3. Bxf7/3...Kxf7 Chess Opening Theory/1. e4/1...a6/2. Bc4/2...b5/3. Bxf7/3...Kxf7/4. Qh5 Chess Opening Theory/1. e4/1...a6/2. Bc4/2...b5/3. Bxf7/3...Kxf7/4. Qh5/4...g6 Chess Opening Theory/1. e4/1...a6/2. c4 Chess Opening Theory/1. e4/1...a6/2. d4 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. Nf3 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. Nf3/3...Bb7 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. Nf3/3...Bb7/4. Bd3 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. c4 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. c4/3...Bb7 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. c4/3...Bb7/4. Nc3 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. c4/3...Bb7/4. Nc3/4...b4 Chess Opening Theory/1. e4/1...a6/2. d4/2...b5/3. c4/3...Bb7/4. Nc3/4...b4/5. Qb3 Chess Opening Theory/1. e4/1...b5 Chess Opening Theory/1. e4/1...b6 Chess Opening Theory/1. e4/1...Nc6 Chess Opening Theory/1. e4/1...Nc6/2. Nf3 Chess Opening Theory/1. e4/1...Nc6/2. d4 Chess Opening Theory/1. e4/1...Nc6/2. d4/2...d5 Chess Opening Theory/1. e4/1...f6 Chess Opening Theory/1. e4/1...f5 Chess Opening Theory/1. e4/1...g5 Chess Opening Theory/1. e4/1...h6 Chess Opening Theory/1. e4/1...h5 Chess Opening Theory/1. e4/1...Nh6 ECO B01 1.e4 d5 Chess Opening Theory/1. e4/1...d5 Chess Opening Theory/1. e4/1...d5/2. d3 Chess Opening Theory/1. e4/1...d5/2. exd5 Chess Opening Theory/1. e4/1...d5/2. exd5/2...Nf6 Chess Opening Theory/1. e4/1...d5/2. exd5/2...Qxd5 Chess Opening Theory/1. e4/1...d5/2. exd5/2...Qxd5/3. Nc3 Chess Opening Theory/1. e4/1...d5/2. exd5/2...Qxd5/3. Nc3 Chess Opening Theory/1. e4/1...d5/2. exd5/2...Qxd5/3. Nc3/3...Qd6 ECO B02-B05 1.e4 Nf6 Chess Opening Theory/1. e4/1...Nf6 Chess Opening Theory/1. e4/1...Nf6/2. Bc4 Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4 Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4/3. Bxf7 Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4/3. Bxf7/3...Kxf7 Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4/3. Bxf7/3...Kxf7/4. Qh5 Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4/3. Bxf7/3...Kxf7/4. Qh5/4...Kg8 Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4/3. Bxf7/3...Kxf7/4. Qh5/4...Kg8/5. Qd5 Chess Opening Theory/1. e4/1...Nf6/2. Nc3 Chess Opening Theory/1. e4/1...Nf6/2. Nc3/2...d5 Chess Opening Theory/1. e4/1...Nf6/2. Nc3/2...d5/3. e5 Chess Opening Theory/1. e4/1...Nf6/2. Nc3/2...d5/3. e5/3...Nfd7 Chess Opening Theory/1. e4/1...Nf6/2. Nc3/2...d5/3. e5/3...Nfd7/4. e6 Chess Opening Theory/1. e4/1...Nf6/2. e5 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. c4 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. c4/3...Nb6 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. c4/3...Nb6/4. c5 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. c4/3...Nb6/4. c5/4...Nd5 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. c4/3...Nb6/4. d4 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. Nf3 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. Nf3/4...Bg4 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. Nf3/4...Bg4/5. Be2 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. Nf3/4...g6 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. f4 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. exd6 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. exd6/5...cxd6 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. exd6/5...exd6 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. f4 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. f4/5...dxe5 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. f4/5...dxe5/6. fxe5 Chess Opening Theory/1. e4/1...Nf6/2. e5/2...Nd5/3. d4/3...d6/4. c4/4...Nb6/5. f4/5...dxe5/6. fxe5/6...Nc6 ECO B06-B09 1.e4 g6 and 1...d6 Chess Opening Theory/1. e4/1...g6 Chess Opening Theory/1. e4/1...g6/2. d4 Chess Opening Theory/1. e4/1...g6/2. d4/2...Bg7 Chess Opening Theory/1. e4/1...d6 Chess Opening Theory/1. e4/1...d6/2. Nf3 Chess Opening Theory/1. e4/1...d6/2. d4 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6/4. f4 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6/4. f4/4...Bg7 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6/4. f4/4...Bg7/5. Nf3 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6/4. f4/4...Bg7/5. Nf3/5...c5 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6/4. f4/4...Bg7/5. Nf3/5...c5/6. dxc5 Chess Opening Theory/1. e4/1...d6/2. d4/2...Nf6/3. Nc3/3...g6/4. f4/4...Bg7/5. Nf3/5...c5/6. dxc5/6...Qa5 ECO B10-B19 1.e4 c6 Chess Opening Theory/1. e4/1...c6 Chess Opening Theory/1. e4/1...c6/2. d3 Chess Opening Theory/1. e4/1...c6/2. d3/2...d5 Chess Opening Theory/1. e4/1...c6/2. d4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nd2 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. c4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3/9...Bxf3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3/9...Bxf3/10. Nxf3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3/9...Bd6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3/9...Bd6/10. Bxd6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3/9...Bd6/10. Bxd6/10...Qxd6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3/9...Bd6/10. Bxd6/10...Qxd6/11. Qxb7 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. e5 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Nd7 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Nf6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Nf6/5. Nxf6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Nf6/5. Nxf6/5...exf6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Bd3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Bd3/5...Qxd4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Ng3 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Ng3/5...Bg6 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Ng3/5...Bg6/6. h4 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Ng3/5...Bg6/6. h4/6...Nd7 Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. f3 ECO B20-B99 1.e4 c5 Chess Opening Theory/1. e4/1...c5 Chess Opening Theory/1. e4/1...c5/2. Ke2 Chess Opening Theory/1. e4/1...c5/2. c4 Chess Opening Theory/1. e4/1...c5/2. Nc3 Chess Opening Theory/1. e4/1...c5/2. Nc3/2...Nc6 Chess Opening Theory/1. e4/1...c5/2. f4 Chess Opening Theory/1. e4/1...c5/2. Nf3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...a6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...b6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. Bb5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. Bb5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Qxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nf6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...g6 Chess Opening Theory/1. e4/1...c5/2. a3 1.e4 c5 with Nc6, 4. Nxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...e5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...d6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...d6/6. Bg5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...d6/6. Bg5/6...e6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...e5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...e5/6. Ndb5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...e5/6. Ndb5/6...d6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...g6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...g6/5. c4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...g6/5. c4/5...Bg7 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...g6/5. c4/5...Bg7/6. Be3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...g6/5. c4/5...Bg7/6. Be3/6...Nf6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...g6/5. c4/5...Bg7/6. Be3/6...Nf6/7. Nc3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...g6/5. c4/5...Bg7/6. Be3/6...Nf6/7. Nc3/7...Ng4 1.e4 c5 with e6, 4.Nxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...a6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...a6/5. Nc3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...Nc6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...Nc6/5. Nc3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...Nc6/5. Nc3/5...Nf6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...Nf6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3 1.e4 c5 with d6. 4. Nxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...e6 Najdorf Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Be2 English Attack Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Be3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Be3/6...e5 6. Bg5 Old Main line Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...Qb6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...Qb6/8. Qd2 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...Qb6/8. Qd2/8...Qxb2 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...Qb6/8. Qd2/8...Qxb2/9. Rb1 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...Qb6/8. Qd2/8...Qxb2/9. Rb1/9...Qa3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5/9...Qc7 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5/9...Qc7/10. exf6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5/9...Qc7/10. exf6/10...Qe5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5/9...Qc7/10. exf6/10...Qe5/11. Be2 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5/9...Qc7/10. exf6/10...Qe5/11. Be2/11...Qxg5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5/9...Qc7/10. exf6/10...Qe5/11. Be2/11...Qxg5/12. 0-0 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...b5/8. e5/8...dxe5/9. fxe5/9...Qc7/10. exf6/10...Qe5/11. Be2/11...Qxg5/12. 0-0/12...Qe5 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4/7...Be7 Dragon Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...g6 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...g6/6. Be3 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...g6/6. Be3/6...Bg7 Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Be3/6...e5 ECO C00-C19 1.e4 e6 French Chess Opening Theory/1. e4/1...e6 Chess Opening Theory/1. e4/1...e6/2. d3 Chess Opening Theory/1. e4/1...e6/2. d4 Chess Opening Theory/1. e4/1...e6/2. d4/2...c5 Chess Opening Theory/1. e4/1...e6/2. d4/2...f5 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nc3 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nc3/3...Bb4 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nc3/3...Nf6 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nd2 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nd2/3...Nf6 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. Nd2/3...c5 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5/4. c3 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5/4. c3/4...Nc6 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5/4. c3/4...Nc6/5. Nf3 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5/4. c3/4...Nc6/5. Nf3/5...Qb6 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5/4. c3/4...Nc6/5. Nf3/5...Qb6/6. Bd3 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5/4. c3/4...Nc6/5. Nf3/5...Qb6/6. Bd3/6...cxd4 Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. exd5 ECO C20-C29 1.e4 e5 without 2.Nf3/2.f4 Chess Opening Theory/1. e4/1...e5 Chess Opening Theory/1. e4/1...e5/2. Bd3 Chess Opening Theory/1. e4/1...e5/2. Bc4 Chess Opening Theory/1. e4/1...e5/2. Bc4/2...Bc5 Chess Opening Theory/1. e4/1...e5/2. Bc4/2...Nf6 Chess Opening Theory/1. e4/1...e5/2. Ke2 Chess Opening Theory/1. e4/1...e5/2. Nc3 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nc6 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nc6/3. Bc4 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. Bc4 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. Bc4/3...Nxe4 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. Bc4/3...Nxe4/4. Qh5 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. Bc4/3...Nxe4/4. Qh5/4...Nd6 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. Bc4/3...Nxe4/4. Qh5/4...Nd6/5. Bb3 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. f4 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. f4/3...d5 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. f4/3...d5/4. fxe5 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. f4/3...d5/4. fxe5/4...Nxe4 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. f4/3...d5/4. fxe5/4...Nxe4/5. d3 Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. f4/3...exf4 Chess Opening Theory/1. e4/1...e5/2. Ne2 Chess Opening Theory/1. e4/1...e5/2. Qf3 Chess Opening Theory/1. e4/1...e5/2. Qh5 Chess Opening Theory/1. e4/1...e5/2. Qh5/2...Ke7 Chess Opening Theory/1. e4/1...e5/2. Qh5/2...Nc6 Chess Opening Theory/1. e4/1...e5/2. Qh5/2...Nc6/3. Bc4 Chess Opening Theory/1. e4/1...e5/2. Qh5/2...Nc6/3. Bc4/3...Nf6 Chess Opening Theory/1. e4/1...e5/2. Qh5/2...Nc6/3. Bc4/3...Nf6/4. Qxf7 Chess Opening Theory/1. e4/1...e5/2. c3 Chess Opening Theory/1. e4/1...e5/2. d4 Chess Opening Theory/1. e4/1...e5/2. d4/2...exd4 Chess Opening Theory/1. e4/1...e5/2. d4/2...exd4/3. Qxd4 Chess Opening Theory/1. e4/1...e5/2. d4/2...exd4/3. c3 Chess Opening Theory/1. e4/1...e5/2. d4/2...exd4/3. c3/3...dxc3 Chess Opening Theory/1. e4/1...e5/2. d4/2...exd4/3. c3/3...dxc3/4. Bc4 ECO C30-C39 1.e4 e5 2. f4 Chess Opening Theory/1. e4/1...e5/2. f4 Chess Opening Theory/1. e4/1...e5/2. f4/2...Bc5 Chess Opening Theory/1. e4/1...e5/2. f4/2...d5 Chess Opening Theory/1. e4/1...e5/2. f4/2...d5/3. exd5 Chess Opening Theory/1. e4/1...e5/2. f4/2...d5/3. exd5/3...c6 Chess Opening Theory/1. e4/1...e5/2. f4/2...d5/3. exd5/3...e4 Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4 Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Nf3 Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Nf3/3...d6 Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Nf3/3...Be7 ECO C40-C43 1.e4 e5 2. Nf3 without 2...Nc6 Chess Opening Theory/1. e4/1...e5/2. Nf3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Qe7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Bc4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...Nxe4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...d6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...d6/4. Nf3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...d6/4. Nxf7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...d6/4. Nxf7/4...Kxf7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...d6/4. Nxf7/4...Kxf7/5. Bc4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. Nxe5/3...d6/4. Nxf7/4...Kxf7/5. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nf6/3. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Qf6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4/3...exd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4/3...exd4/4. Nxd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4/3...f5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...f5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...f6 ECO C44-C59 1.e4 e5 2. Nf3 Nc6 without 3. Bb5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Nc3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Nc3/3...Nf6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Nc3/3...Nf6/4. Bb5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Nc3/3...Nf6/4. Nxe5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. b4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. b4/4...Bxb4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. c3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. d3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. d3/4...Nf6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...d6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Be7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6/7...dxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6/7...dxc6/8. d3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6/7...dxc6/8. d3/8...Ng4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6/7...dxc6/8. d3/8...Ng4/9. Nh3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6/7...dxc6/8. d3/8...Ng4/9. Nh3/9...Nxf2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6/7...dxc6/8. d3/8...Ng4/9. Nh3/9...Nxf2/10. Bg5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. Bxc6/7...dxc6/8. d3/8...Ng4/9. Nh3/9...Nxf2/10. Bg5/10...Kd7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O/7...d6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O/7...d6/8. c3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O/7...d6/8. c3/8...Bg4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O/7...d6/8. c3/8...Bg4/9. Qb3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O/7...d6/8. c3/8...Bg4/9. Qb3/9...Bb6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O/7...d6/8. c3/8...Bg4/9. Qb3/9...Bb6/10. Bxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...Bc5/5. Bxf7/5...Ke7/6. Bd5/6...Rf8/7. O-O/7...d6/8. c3/8...Bg4/9. Qb3/9...Bb6/10. Bxc6/10...bxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...Bd7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...Bd7/7. Qe2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Ba4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Bd3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Bc5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Bd6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Bd6/11. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Bd6/11. d4/11...exd3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Bd6/11. d4/11...exd3/12. Nxd3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Bd6/11. d4/11...exd3/12. Nxd3/12...Qc7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Bd6/11. f4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Qc7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nf3/9...e4/10. Ne5/10...Qd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nh3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nh3/9...Bd6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nh3/9...Bd6/10. d3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nh3/9...Bd6/10. d3/10...O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Be2/8...h6/9. Nh3/9...g5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Qf3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Qf3/8...Rb8 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Qf3/8...Rb8/9. Bd3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Qf3/8...Rb8/9. Bd3/9...h6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Qf3/8...Rb8/9. Bd3/9...h6/10. Ne4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. Bb5/6...c6/7. dxc6/7...bxc6/8. Qf3/8...Rb8/9. Bd3/9...h6/10. Ne4/10...Nd5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3/7...e4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3/7...e4/8. Qe2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3/7...e4/8. Qe2/8...Nxc4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3/7...e4/8. Qe2/8...Nxc4/9. dxc4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3/7...e4/8. Qe2/8...Nxc4/9. dxc4/9...Bc5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3/7...e4/8. Qe2/8...Nxc4/9. dxc4/9...Bc5/10. Nfd2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Na5/6. d3/6...h6/7. Nf3/7...e4/8. Qe2/8...Nxc4/9. dxc4/9...Bc5/10. Nfd2/10...O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. Ne4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. Ne4/8...Qh4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. Ne4/8...Qh4/9. Ng3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. Ne4/8...Qh4/9. Ng3/9...Bg4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. Ne4/8...Qh4/9. Ng3/9...Bg4/10. f3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. Ne4/8...Qh4/9. Ng3/9...Bg4/10. f3/10...e4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. cxd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nd4/6. c3/6...b5/7. Bf1/7...Nxd5/8. cxd4/8...Qxg5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6/8. Nc3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6/8. Nc3/8...Ncb4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6/8. Nc3/8...Ncb4/9. a3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6/8. Nc3/8...Ncb4/9. a3/9...Nxc2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6/8. Nc3/8...Ncb4/9. a3/9...Nxc2/10. Kd1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6/8. Nc3/8...Ncb4/9. a3/9...Nxc2/10. Kd1/10...Nxa1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3/7...Be7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3/7...Be7/8. Nxf7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3/7...Be7/8. Nxf7/8...Kxf7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3/7...Be7/8. Nxf7/8...Kxf7/9. Qf3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3/7...Be7/8. Nxf7/8...Kxf7/9. Qf3/9...Ke6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3/7...Be7/8. Nxf7/8...Kxf7/9. Qf3/9...Ke6/10. Qe4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. d4/6...Bb4/7. c3/7...Be7/8. Nxf7/8...Kxf7/9. Qf3/9...Ke6/10. Qe4/10...Rf8 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bf1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bf1/6...Nd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bf1/6...Nd4/7. c3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bxb5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bxb5/6...Qxd5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bxb5/6...Qxd5/7. Bxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bxb5/6...Qxd5/7. Bxc6/7...Qxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bxb5/6...Qxd5/7. Nc3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5/6. Bxb5/6...Qxd5/7. Nc3/7...Qxg2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. d4/4...exd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. d4/4...exd4/5. O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...f5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...f5/4. exf5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...f5/4. d3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. d4/3...exd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. d4/3...exd4/4. Nxd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. d4/3...exd4/4. Nxd4/4...Qh4 ECO C60-C99 1.e4 e5 2. Nf3 Nc6 3.Bb5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Bc5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Bc5/4. c3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Bc5/4. c3/4...f5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nf6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nf6/4. O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nf6/4. O-O/4...Nxe4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nf6/4. O-O/4...Nxe4/5. Re1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nf6/4. O-O/4...Nxe4/5. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...Nf6/4. O-O/4...Nxe4/5. d4/5...a6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Bxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...d6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...d6/8. c3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...d6/8. c3/8...O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...d6/8. c3/8...O-O/9. h3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...d6/8. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...b5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...b5/7. Bb3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...b5/7. Bb3/7...d5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...b5/7. Bb3/7...d5/8. dxe5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...b5/7. Bb3/7...d5/8. dxe5/8...Be6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...b5/7. d5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5/8. Nxd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5/8. Nxd4/8...Bd6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5/8. Nxd4/8...Bd6/9. Nxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5/8. Nxd4/8...Bd6/9. Nxc6/9...Bxh2 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. d4/6...exd4/7. Re1/7...d5/8. Nxd4/8...Bd6/9. f3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Nxe4/6. Re1 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...b5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...b5/6. Bb3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...b5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...b5/5. Bb3 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Bxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Bxc6/4...dxc6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Bxc6/4...dxc6/5. Nxe5 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Bxc6/4...dxc6/5. d4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Bxc6/4...dxc6/5. d4/5...exd4 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Bxc6/4...dxc6/5. O-O Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...d6 Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...f5