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Chess Opening Theory/1. f4/1...Nh6

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Bird's Opening, Horsefly
a b c d e f g h
8a8 black rookb8 black knightc8 black bishopd8 black queene8 black kingf8 black bishopg8 black kingh8 black rook8
7a7 black pawnb7 black pawnc7 black pawnd7 black pawne7 black pawnf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black kingd6 black kinge6 black kingf6 black kingg6 black kingh6 black knight6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black kingf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 black kingd4 black kinge4 black kingf4 white pawng4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 white pawne2 white pawnf2 black kingg2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 white bishopd1 white queene1 white kingf1 white bishopg1 white knighth1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)
Moves: 1. f4 Nh6

Bird's Opening: Horsefly Defence

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1...Nh6!?

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This move looks odd, as it develops a knight to a really odd square and to the edge, but it has some benefits:

Psychological Advantage

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This move puts opponents off their comfort zone and they may get confused and make a mistake and a blunder and fall into a trap.

Controls the f5, g4, and f7 squares

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This move controls the f5 square, which white may use to start a kingside attack with the f-pawn, the g4 square, also if white is going for a kingside attack or an aggressive plan (such as putting the queen on g4 to attack the g7 pawn which attacks the rook that might be trapped), and the f7 squares, where white uses to fork the queen and rook with the knight, sacrifices the bishop to get an insane kingside attack, and to checkmate the uncastled (or sometimes when the king short castled) king.

"Develops" a piece

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It doesn't look like 1...Nh6 actually develops a piece, however it can get closer to the center with Nf7, Nf5, NG4, and sometimes even Ng8 to reroute the knight to f6 or e7.


1.f4 Nh6!?