Chess puzzle (Advantage)
Opening: Three_Knights_Opening, Three_Knights_Opening_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. h3 Nf6 5. a3 Be6 6. b4 a6 7. d3 h6 8. Ne2 Qd7
9. Bb2 Be7 10. c4 Nh7 11. Qc2 O-O 12. Ng3 Ng5 13. Be2 Nxf3+ 14. Bxf3 Bh4 15.
Ne2 f5 16. Ng3 Rf7 17. exf5 Bxf5 18. Nxf5 Rxf5 19. O-O *
Position (FEN): r5k1/1ppq2p1/p1np3p/4pr2/1PP4b/P2P1B1P/1BQ2PP1/R4RK1 b - - 1 19
Black to move.
Themes: Kingside Attack, Sacrifice Middlegame  
Puzzle rating: 1602
Best move: Rxf3