Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8.
Nf3 Nf8 9. O-O Ne6 10. Bh4 g6 11. Ne5 Ng7 12. f4 Bf5 13. Bf2 h5 14. a3 a5 15.
Na4 O-O 16. Nc5 Bxc5 17. dxc5 Bxd3 18. Qxd3 Ne4 19. b4 axb4 20. axb4 Rxa1 21.
Rxa1 Ne6 22. Be1 Qc7 23. Nc4 Re8 24. Nb6 Qe7 25. Ra7 Rb8 26. Qa3 Qf6 27. Nd7
Qf5 28. Nxb8 Nxf4 29. exf4 Qxf4 30. Qf3 Qxb8 31. Ra1 Kh7 32. Qxf7+ Kh6 33. Qf3
Qe5 34. Rd1 h4 35. Bxh4 g5 36. Bg3 Qb2 37. Rf1 Qxb4 38. Qf8+ Kh5 39. Qh8+ Kg6
40. Qg8+ Kh5 41. Qe8+ Kh6 42. Be5 Qxc5+ 43. Kh1 Nf2+ 44. Kg1 Nh3+ 45. Kh1 Qg1+
46. Rxg1 *
Position (FEN): 4Q3/1p6/2p4k/3pB1p1/8/7n/6PP/6RK b - - 0 46
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 737
Best move: Nf2#