Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5
Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 Rf6 14. a5 a6 15. b4 Qe8
16. c5 Rh6 17. cxd6 cxd6 18. Kh1 Nf6 19. Bg1 Qh5 20. Na4 g4 21. fxg4 Bxg4 22.
Bxg4 Nxg4 23. Nf3 Ng6 24. Qe1 Bf6 25. Nb6 Rd8 26. h3 Bh4 27. Qe2 Bg3 28. Rfc1
Nh4 29. Rc7 Rg6 30. Rac1 Nxf3 31. Qxf3 Qh4 32. Rc8 Rxc8 33. Rxc8+ Kg7 34. Rc7+
Kh6 35. Rxb7 Nf2+ 36. Bxf2 Bxf2 37. Rd7 Rg3 38. Rxd6+ Kg5 39. Qxf2 Rxh3+ 40.
Kg1 *
Position (FEN): 8/7p/pN1R4/P2Pp1k1/1P2Pp1q/7r/5QP1/6K1 b - - 1 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 597
Best move: Rh1#