Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch

The Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch is a chess opening classified under ECO code A56 in the Flank Openings family, characterized by moves like 1.c4, 1.Nf3, or 1.f4, aiming to control the center indirectly. It is reached after 8 moves: 1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Nf3 O-O 6. Be2 cxd4 7. exd4 d5 8. O-O Nc6. The resulting position leaves white to move.