Chess Opening Theory/1. e4/1...e5/2. Qh5/2...Nc6/3. Bc4/3...g6/4. Qf3/4...f5

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< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. Qh5‎ | 2...Nc6‎ | 3. Bc4‎ | 3...g6‎ | 4. Qf3
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Frederiksberg Variation
a b c d e f g h
8a8 black rookb8 black kingc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rook8
7a7 black pawnb7 black pawnc7 black pawnd7 black pawne7 black kingf7 black kingg7 black kingh7 black pawn7
6a6 black kingb6 black kingc6 black knightd6 black kinge6 black kingf6 black kingg6 black pawnh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black pawnf5 black pawng5 black kingh5 black king5
4a4 black kingb4 black kingc4 white bishopd4 black kinge4 white pawnf4 black kingg4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 white queeng3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 white pawne2 black kingf2 white pawng2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 white bishopd1 black kinge1 white kingf1 black kingg1 white knighth1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

r1bqkbnr/pppp3p/2n3p1/4pp2/2B1P3/5Q2/PPPP1PPP/RNB1K1NR w

Moves: 1. e4 e5 2. Qh5 Nc6 3. Bc4 g6 4. Qf3 f5

Frederiksberg Variation

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4...f5

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Black 'sacrifices' the f5 pawn, although it can't actually be taken, because of 5...Nd4. White's queen is stuck in the center and is a target for Black's knights, bishops and pawns. Black can sometimes play f4, with the idea of Bg4 trapping the queen.

White will have to play very carefully to not end up dead lost.

Theory table

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

1. e4 e5 2. Qh5 Nc6 3. Bc4 g6 4. Qf3 f5

5 6 7 8
Ne2
Nf6		 Nc3
d6		 exf5
Bxf5		 d3
Bg4		 =
exf5?
Nd4		 Qd5
Qe7		 Na3
c6		 -+
exf5?
Nd4		 Qd1
Qg5		 g3
Qxf5		 -+

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