English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense

The English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense is a chess opening classified under ECO code A33 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 5 moves: 1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6. The resulting position leaves white to move.