Chess puzzle (Checkmate)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Colorado_Countergambit
Moves: 1. e4 Nc6 2. Nf3 f5 3. e5 d6 4. d4 Bd7 5. d5 Nxe5 6. Nxe5 dxe5 7. Nc3 Nf6 8.
Bg5 h6 9. Bxf6 gxf6 *
Position (FEN): r2qkb1r/pppbp3/5p1p/3Ppp2/8/2N5/PPP2PPP/R2QKB1R w KQkq - 0 10
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 840
Best move: Qh5#