Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Nc6 8.
O-O-O O-O 9. h4 Nxd4 10. Bxd4 h5 11. Be2 a6 12. f3 b5 13. g4 Be6 14. gxh5 Nxh5
15. f4 Bxd4 16. Bxh5 Bxc3 17. Qxc3 gxh5 *
Position (FEN): r2q1rk1/4pp2/p2pb3/1p5p/4PP1P/2Q5/PPP5/2KR3R w - - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1873
Best move: f5