Chess puzzle (Checkmate)
Opening: Pirc_Defense, Pirc_Defense_Byrne_Variation
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Nf3 Bg4 6. e5 dxe5 7. dxe5 Qxd1+ 8.
Rxd1 Bxf3 9. gxf3 Nh5 10. Bh3 e6 *
Position (FEN): rn2k2r/ppp2pbp/4p1p1/4P1Bn/8/2N2P1B/PPP2P1P/3RK2R w Kkq - 0 11
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 456
Best move: Rd8#