Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 d4 5. Nb1 Nf6 6. d3 Be7 7. Be2 Nc6 8. O-O
Qc7 9. Na3 a6 10. Nc4 b5 11. Nce5 Nxe5 12. Nxe5 Bd6 13. Qe1 Bb7 14. Bd2 Nd7 15.
Ba5 Qb8 16. Nxd7 Kxd7 17. f5 Bxh2+ 18. Kh1 Bg3 19. fxe6+ fxe6 *
Position (FEN): rq5r/1b1k2pp/p3p3/Bpp5/3pP3/3P2b1/PPP1B1P1/R3QR1K w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1040
Best move: Rf7+