Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qa4 Qa5+ 5. Qxa5 Nxa5 6. Nc3 Nf6 7. e5 Ng4
8. Nf3 Nc6 9. Nd5 Kd8 10. Ng5 Ngxe5 11. f4 h6 12. fxe5 hxg5 13. Bxg5 Rh5 14.
Bf4 Rf5 15. g3 g5 16. g4 *
Position (FEN): r1bk1b2/pp1ppp2/2n5/3NPrp1/5BP1/8/PPP4P/R3KB1R b KQ - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1032
Best move: Rxf4