Chess puzzle (Advantage)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. Bb2 Nf6 3. e3 c5 4. h3 Nc6 5. Bb5 e5 6. Nc3 Bd7 7. Qf3 Be7 8. Nxd5
Nxd5 9. Qxd5 O-O 10. Nf3 a6 11. Bxc6 Bxc6 12. Qxe5 *
Position (FEN): r2q1rk1/1p2bppp/p1b5/2p1Q3/8/1P2PN1P/PBPP1PP1/R3K2R b KQ - 0 12
Black to move.
Themes: Skewer Middlegame  
Puzzle rating: 1504
Best move: Bf6