Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. Nf3 Ne4 7. Bxe7 Qxe7 8.
Qb3 c6 9. e3 Nd7 10. Bd3 Nb6 11. Qc2 Nxc3 12. bxc3 g6 13. Ne5 Qg5 14. g3 O-O
15. h4 Qf6 16. O-O-O Bg4 17. f3 Bxf3 18. Nxf3 Qxf3 19. h5 Qxe3+ 20. Rd2 Qxg3
21. hxg6 fxg6 22. Rdh2 Rf7 23. Bf1 Rxf1+ 24. Rxf1 Qe3+ 25. Kb2 Nc4+ 26. Kb3 a5
27. a4 b5 28. Rfh1 bxa4+ 29. Kxa4 Nb6+ 30. Kb3 Ra7 31. Rh3 Qe6 32. Qh2 a4+ 33.
Ka2 Qf7 34. Qb8+ Qf8 35. Qxa7 Qf2+ 36. Kb1 Qf5+ 37. Ka1 Nd7 38. Qb8+ Nf8 39.
Qb7 Qc2 40. Qxc6 a3 41. Rxh7 *
Position (FEN): 5nk1/7R/2Q3p1/3p4/3P4/p1P5/2q5/K6R b - - 0 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1191
Best move: Qb2#