Initial Position

After 1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 4.f4, White enters the Anti-Philidor variation of the Lion Defense, advancing the f-pawn to create an aggressive kingside attack. This aggressive approach aims to gain space and create immediate pressure on Black's position. White prepares to challenge Black's setup directly and create tactical opportunities.

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