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. f3 O-O 8. Qd2
e5 9. Nb3 Nc6 10. O-O-O Qc7 11. g3 Be6 12. g4 Bxb3 13. axb3 Rad8 14. h4 d5 15.
exd5 Nb4 16. h5 *
Position (FEN): 3r1rk1/ppq2pbp/5np1/3Pp2P/1n4P1/1PN1BP2/1PPQ4/2KR1B1R b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 2325
Best move: Qa5