Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. Bxf6 Qxf6 5. e4 c6 6. e5 Qd8 7. a3 Nd7 8. Nce2
c5 9. c3 b6 10. f4 g6 11. Nf3 Bg7 12. Ng3 Bb7 13. Bb5 a6 14. Bxd7+ Qxd7 15. O-O
O-O 16. h4 h5 17. Ng5 cxd4 18. cxd4 a5 19. Nxh5 gxh5 20. Qxh5 Rfc8 21. Rf3 Kf8
22. Rg3 Qe7 23. Nh7+ Kg8 24. Nf6+ Kf8 25. Qh8+ Bxh8 *
Position (FEN): r1r2k1b/1b2qp2/1p2pN2/p2pP3/3P1P1P/P5R1/1P4P1/R5K1 w - - 0 26
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 881
Best move: Rg8#