Chess Opening Theory/1. e4/1...e5/2. Nc3/2...Nf6/3. f4

Vienna Game
	a b c d e f g h 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 a b c d e f g h
	Position in Forsyth-Edwards Notation (FEN) rnbqkb1r/pppp1ppp/5n2/4p3/4PP2/2N5/PPPP2PP/R1BQKBNR b
	Moves: 1. e4 e5 2. Nc3 Nf6 3. f4

Vienna Gambit

Black should not play 3...exf4 because after 4. e5, the black knight has no free square but its home square. The correct move here is 3...d5.

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1. e4 e5 2. Nc3 Nf6 3. f4

Wikipedia has related information at Vienna game.

Kasparov, Garry, & Keene, Raymond 1989 Batsford chess openings 2. ISBN 0-8050-3409-9.

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Chess Opening Theory

1. e4 e5
Open games

3. Bb5
Spanish

3. Bc4
Italian

3. Nc3
Three knights

Other

2...Nf6
Russian

2...d6
Philidor

Other

2. f4
King's gambit

2...exf4
Accepted

Other
Declined

2. Nc3
Vienna

Other

1. e4 c5
Sicilian

1. e4 e6
French

1. e4 c6
Caro-Kann

1. e4 other

1. d4 d5
Closed games

2. c4
Queen's gambit

2. other

1. d4 Nf6
Indian

1. d4 f5
Dutch

1. d4 ...other:

Flank

Unorthodox