Chess puzzle (Advantage)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. Bb2 Nc6 3. e3 Bf5 4. Nc3 Nb4 5. d3 Nf6 6. Qe2 e5 7. O-O-O Bc5 8. d4
Bb6 9. dxe5 Ng4 10. Qb5+ Nc6 11. Nh3 O-O 12. Rxd5 Qh4 13. Be2 Nxe3 14. fxe3 Nb4
15. Rd4 *
Position (FEN): r4rk1/ppp2ppp/1b6/1Q2Pb2/1n1R3q/1PN1P2N/PBP1B1PP/2K4R b - - 2 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1508
Best move: Bxd4