Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 e5 5. Bb5 Nf6 6. Nc3 Bb4 7. Bxc6 bxc6 8.
Qe2 a5 9. Bd2 Ba6 10. Qe3 O-O 11. a3 Bxc3 12. Bxc3 d6 13. Nf3 Ng4 14. Qd2 Nf6
15. h4 Nxe4 16. Qe3 Nxc3 17. Qxc3 Bb5 18. h5 h6 19. g4 Qg5 *
Position (FEN): r4rk1/5pp1/2pp3p/pb2p1qP/6P1/P1Q2N2/1PP2P2/R3K2R w KQ - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 731
Best move: Nxg5