Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. e4 g6 2. f4 Bg7 3. Nf3 c6 4. Nc3 Qb6 5. d4 d6 6. Be3 c5 7. b3 cxd4 8. Nxd4
Nc6 9. Qd2 *
Position (FEN): r1b1k1nr/pp2ppbp/1qnp2p1/8/3NPP2/1PN1B3/P1PQ2PP/R3KB1R b KQkq - 2 9
Black to move.
Themes:  Opening  
Puzzle rating: 1925
Best move: Bxd4