Chess puzzle (Crushing)
Opening: Ponziani_Opening, Ponziani_Opening_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 e4 6. Nfd2 Bd6 7. Bc4 Qg5 8. g3
Qg6 9. Nb3 Bg4 10. Qc2 Bf3 11. Rf1 O-O-O 12. N1d2 Bg2 13. Rg1 Bf3 14. Nxf3 exf3
15. Qxg6 Re8+ 16. Kd2 fxg6 17. Kc2 Nf6 18. Bg5 Ne4 19. Be3 Na5 *
Position (FEN): 2k1r2r/ppp3pp/3b2p1/n7/2BPn3/1NP1BpP1/PPK2P1P/R5R1 w - - 6 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1109
Best move: Nxa5