Indian Defense: Anti-Grünfeld, Alekhine Variation, Leko Gambit

The Indian Defense: Anti-Grünfeld, Alekhine Variation, Leko Gambit is a chess opening classified under ECO code E60 in the Indian Defences family, where Black responds to 1.d4 with 1...Nf6, including the Nimzo-Indian, Queen's Indian, and King's Indian. It is reached after 3 moves: 1. d4 Nf6 2. c4 g6 3. f3 e5. The resulting position leaves white to move.