Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Be3 Bb4 8.
Bd2 O-O 9. O-O b5 10. Kh1 Nc6 11. Nxc6 Qxc6 12. Ne2 Bxd2 13. Qxd2 Qc7 14. f4 d6
15. e5 dxe5 16. fxe5 Qxe5 17. Ng3 Bb7 18. Rae1 Qc5 *
Position (FEN): r4rk1/1b3ppp/p3pn2/1pq5/8/3B2N1/PPPQ2PP/4RR1K w - - 4 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1797
Best move: Rxf6