Chess puzzle (Checkmate)
Moves: 1. f4 d5 2. Nf3 Nc6 3. d4 Bf5 4. e3 e6 5. Bd3 Bg6 6. Bxg6 hxg6 7. Nc3 Be7 8.
Qe2 Bh4+ 9. Nxh4 Qxh4+ 10. g3 Qh3 11. Bd2 Nf6 12. O-O-O O-O-O 13. a4 Ng4 14.
Nb5 Kb8 15. a5 a6 16. Nc3 Nxh2 17. Be1 Rh7 18. Rd2 Rdh8 19. g4 Qxg4 20. Rxh2
Rxh2 21. Qxg4 Rh1 22. Re2 Nxa5 23. b3 Nc6 24. Kd2 Rf1 25. Rf2 Rfh1 26. Rg2 Rf1
27. Bg3 Rhh1 28. Rh2 Rhg1 29. Qh4 Nb4 30. Rf2 Rc1 31. Na4 *
Position (FEN): 1k6/1pp2pp1/p3p1p1/3p4/Nn1P1P1Q/1P2P1B1/2PK1R2/2r3r1 b - - 16 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1523
Best move: Rxc2#