Alekhine's Defence

Alekhine's Defence
	Position in Forsyth-Edwards Notation (FEN) rnbqkb1r/pppppppp/5n2/8/4P3/8/PPPP1PPP/RNBQKBNR
	Moves: 1. e4 Nf6
	ECO code: B02-B05
	Parent: King's Pawn Opening

1...Nf6

This attack is an invitation for White to push his pawn forward and gain a tempo by attacking the knight. The idea behind Black's strategy is to have White build a large pawn center that is hard to defend.

If White doesn't want to follow the main line 2. e5, he may simply defend the pawn with 2. Nc3 (which may transpose to Vienna Game). 2. d3 is seldom seen, though it's quite solid.

A sharp variation called the Krejcik Variation consists in playing 2. Bc4. It looks like a gambit but in fact, if black takes the pawn, White can regain it and prevent Black from castling with 2...Nxe4 3. Bxf7+ Kxf7 4. Qh5+.

The opening is named after Alexander Alekhine, who introduced it in 1921.

Theory table

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

1.e4 Nf6

	2	3	4	5	6
Main Line	e5 Nd5	d4 d6	Nf3 Bg4	Be2 e6	O-O Be7	∞/=
	Nc3 d5	exd5 Nxd5	Bc4 Nb6	Bb3 Nc6	Nf3 Bf5	=
	d3 e5	Nf3 Nc6	g3 Bc5	Bg2 O-O	O-O d6	=
	... ...	f4 Nc6	Nf3 d5	fxe5 dxe4	exf6 exf3	=/+
Krejcik Variation	Bc4 Nxe4	Bxf7+ Kxf7	Qh5+ Kg8	Qd5+ e6	Qxe4 d5	=+
	... ...	... ...	... g6	Qd5+ e6	Qxe4 d5	=+
	... ...	... ...	... ...	... Ke8	Qxe4 d5	=+

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References

Nunn's Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. ISBN 1-8574-4221-0.

Modern Chess Openings: MCO-14. 1999. Nick de Firmian, Walter Korn. ISBN 0-8129-3084-3.

Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.

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