Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Flohr_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. c4 e5 6. Nb5 Qb8 7. N1c3 a6 8.
Na3 Bxa3 9. bxa3 Nf6 10. Bg5 Ng8 11. Nd5 Nce7 12. Be3 Qd6 13. c5 Qc6 14. Rc1
Nxd5 15. exd5 Qa4 *
Position (FEN): r1b1k1nr/1p1p1ppp/p7/2PPp3/q7/P3B3/P4PPP/2RQKB1R w Kkq - 1 16
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 542
Best move: Qxa4