Sicilian Defense: Najdorf Variation, English Attack, Anti-EnglishBETA

Ng4 attempts to disturb white's English Attack setup before f3 is played. If white allows it, black will capture white's valuable e3-bishop next.

Rather than let white build up their strong kingside attack, black attempts to disturb white's normal f3, Bd2, Qd2, O-O-O setup before it gets off the ground. White can opt for an immediate three-fold repetition with Bc1 (after which white is threatening f3 and simply gaining a tempo on the main line), where the best move from black is to return the knight to f6. Alternatively, white can play on with Bg5 and allow black to expand on the kingside with h6-g5, leading to a fundamentally different position than the typical English Attack.