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Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6/6. Bg5/6...e6/7. f4

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Sicilian Defence, Najdorf Variation
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 kingb7 black pawnc7 black kingd7 black kinge7 black kingf7 black pawng7 black pawnh7 black pawn7
6a6 black pawnb6 black kingc6 black kingd6 black pawne6 black pawnf6 black knightg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black kingf5 black kingg5 white bishoph5 black king5
4a4 black kingb4 black kingc4 black kingd4 white knighte4 white pawnf4 white pawng4 black kingh4 black king4
3a3 black kingb3 black kingc3 white knightd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 black kinge2 black kingf2 black kingg2 white pawnh2 white pawn2
1a1 white rookb1 black kingc1 black kingd1 white queene1 white kingf1 white bishopg1 black kingh1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

rnbqkb1r/1p3ppp/p2ppn2/6B1/3NPP2/2N5/PPP3PP/R2QKB1R b

Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
Parent: Sicilian Defence

Sicilian Defence, Najdorf Variation

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Moves:1.e4 c5 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6.Bg5 e6 7.f4

Again, Black has to make a strategic choice. Common moves are :

7...Be7
7...Qc7
7...Nbd7

Two very sharp variations are seen at higher levels : 7...Qb6 (the Poisoned Pawn Variation) and 7...b5 (the Polugaevsky Variation).

Theory table

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

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5. Nc3 a6 6.Bg5 e6 7.f4

7
Poisoned Pawn Variation ...
Qb6		 =
Polugaevsky Variation ...
b5		 =
...
Be7		 =
...
Qc7		 =
...
Nbd7		 =

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References

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Wikipedia has related information at Sicilian Defence, Najdorf Variation

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