Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Bc4 Nc6 6. Bf4 Nf6 7. e5 dxe5 8.
Qxd8+ Nxd8 9. Nb5 exf4 10. Nc7+ Kd7 11. Nxa8 b6 12. Rd1+ Kc6 13. Rxd8 Kb7 14.
Bxf7 e5 15. Nf3 *
Position (FEN): N1bR1b1r/pk3Bpp/1p3n2/4p3/5p2/5N2/PP3PPP/4K2R b K - 1 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1018
Best move: Bb4+