Chess puzzle (Checkmate)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Scandinavian_Variation
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nc6 4. d5 Ne5 5. Nxe4 Nf6 6. Nxf6+ gxf6 7. Nf3 Nxf3+
8. Qxf3 e6 9. dxe6 fxe6 10. Qh5+ Ke7 11. Bd2 Qd5 12. Rd1 Qxh5 13. Be2 Qd5 14.
Bb4+ Kf7 15. Rxd5 exd5 16. Bh5+ Kg7 17. Bc3 Kh6 18. g4 Bg7 *
Position (FEN): r1b4r/ppp3bp/5p1k/3p3B/6P1/2B5/PPP2P1P/4K2R w K - 1 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1407
Best move: Bd2#