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Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Bc4/3...Qh4/4. Kf1/4...d5

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Position in Forsyth-Edwards Notation (FEN)

rnb1kbnr/ppp2ppp/8/3p4/2B1Pp1q/8/PPPP2PP/RNBQ1KNR w

Moves: 1. e4 e5 2. f4 exf4 3. Bc4 Qh4 4. Kf1 d5

4...d5

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A very popular move in this position. Instead of sacrificing the pawn on 4...b5, a better way is to sacrifice the pawn with 4...d5. If 5. exd5, then after 5...Bd6 Black has got active development with the bishops and White's bishop on c4 is blunted.

If 5. Bxd5, Black can develop his knight with 5...Nf6. This move gains time on White's bishop in a very productive way and also opens up Black's bishop on c8.

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation.

1. e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4. Kf1 d5

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v · t · e
Chess Opening Theory
1. e4 e5
Open games
2. Nf3
2...Nc6
3. Bb5
Spanish
3. Bc4
Italian
3. Nc3 Nf6
Four 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
2. Nf3
2...Nc6 3. d4 cxd4 4. Nxd4
2...Nc6 other
2...d6 3. d4 cxd4 4. Nxd4
2...d6 other
2...e6 3. d4 cxd4 4. Nxd4
2...e6 other
Others
Anti-Sicilians
1. e4 e6
French
1. e4 c6
Caro-Kann
1. e4 other
1. d4 d5
Closed games
2. c4
Queen's gambit
2. Nc3
2. other
1. d4 Nf6
Indian
2. c4 e6
2. c4 g6
2. c4 other
2. Nf3
2. other:
1. d4 f5
Dutch
1. d4 ...other:
Flank
Unorthodox
出典: Chess Opening Theory/1. e4/1...e5/2. f4/2...exf4/3. Bc4/3...Qh4/4. Kf1/4...d5

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