Chess puzzle (Checkmate)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Scandinavian_Variation
Moves: 1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Be2 Bxf3 6. Bxf3 Qe6+ 7. Be3 Qf6
8. c4 O-O-O 9. Qa4 a6 10. b4 Nxd4 11. Bxd4 Qxd4 12. O-O Qxa1 13. b5 Qf6 14. Nc3
e5 15. Nd5 Rxd5 16. cxd5 Qb6 17. bxa6 Qxa6 *
Position (FEN): 2k2bnr/1pp2ppp/q7/3Pp3/Q7/5B2/P4PPP/5RK1 w - - 0 18
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1067
Best move: Qe8#