Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Delayed_Alapin_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. c3 g6 4. d4 cxd4 5. cxd4 Bg7 6. Nc3 e6 7. Bb5+ Bd7 8.
Bxd7+ Qxd7 9. O-O a6 10. Bg5 Nf6 11. e5 dxe5 12. dxe5 Qxd1 13. Raxd1 Ng4 *
Position (FEN): rn2k2r/1p3pbp/p3p1p1/4P1B1/6n1/2N2N2/PP3PPP/3R1RK1 w kq - 1 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 452
Best move: Rd8#