Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Bg5 d5 4. cxd5 exd5 5. Nc3 c6 6. e3 Bd6 7. Bd3 Nbd7 8.
Nf3 O-O 9. Qc2 h6 10. Bh4 Qc7 11. O-O b6 12. Rac1 Qb8 13. e4 dxe4 14. Nxe4 c5
15. dxc5 Nxc5 16. Bxf6 gxf6 17. Nxf6+ Kg7 18. Nh5+ Kg8 19. Qd2 Nxd3 20. Qxd3 f5
21. Rfd1 Be7 22. Qe3 Rf7 23. Qxh6 Bf8 24. Qg6+ Bg7 25. Ng5 Qb7 26. Qxg7+ Rxg7 *
Position (FEN): r1b3k1/pq4r1/1p6/5pNN/8/8/PP3PPP/2RR2K1 w - - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1375
Best move: Rd8#