Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d5 5. e5 g6 6. h3 Bg7 7. Nf3 Nh6 8. Nc3
O-O 9. Bd3 Nf5 10. Bc2 e6 11. Bxf5 exf5 12. O-O a6 13. a3 Be6 14. Re1 Rc8 15.
Bg5 Qb6 16. Rb1 h6 17. Be3 g5 18. Nxg5 *
Position (FEN): 2r2rk1/1p3pb1/pqn1b2p/3pPpN1/3P4/P1N1B2P/1P3PP1/1R1QR1K1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1500
Best move: hxg5