Chess puzzle (Advantage)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. f4 Nf6 5. Nf3 e6 6. Bc4 Bd6 7. d3 O-O 8.
O-O c5 9. a3 Nc6 10. Ne4 Nxe4 11. dxe4 Qc7 12. Ng5 h6 13. Bxe6 Bxe6 14. Nxe6
fxe6 15. Qg4 Rf7 16. Qxe6 Bxf4 17. Bxf4 Nd4 18. Qc4 b5 19. Qd5 Rd8 20. Qh5 *
Position (FEN): 3r2k1/p1q2rp1/7p/1pp4Q/3nPB2/P7/1PP3PP/R4RK1 b - - 3 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1310
Best move: Rxf4