Chess puzzle (Checkmate)
Opening: Bird_Opening, Bird_Opening_Dutch_Variation
Moves: 1. f4 d5 2. Nf3 e6 3. d3 c5 4. c3 Nf6 5. Qc2 Nc6 6. e4 dxe4 7. dxe4 e5 8. fxe5
Ng4 9. Bf4 Qe7 10. Nbd2 Ngxe5 11. Bb5 Nxf3+ 12. gxf3 Bd7 13. O-O-O g6 14. Nc4
Qf6 15. Qd2 Be6 16. Bg5 Qxf3 17. Qd8+ Rxd8 *
Position (FEN): 3rkb1r/pp3p1p/2n1b1p1/1Bp3B1/2N1P3/2P2q2/PP5P/2KR3R w k - 0 18
White to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 1654
Best move: Rxd8#