Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 a6 5. Bxc4 c5 6. O-O Nd7 7. Nc3 Ngf6 8. d5
Nb6 9. Qb3 exd5 10. Rd1 Be6 11. Ng5 Nxc4 12. Nxe6 fxe6 13. Qxb7 Qc8 14. Qb3 Be7
15. e4 O-O 16. exd5 Nd6 17. dxe6 Rb8 18. Nd5 Re8 19. Nxe7+ Rxe7 20. Qg3 Qxe6
21. Be3 Nfe4 22. Qh4 Rf8 23. Re1 Nf5 24. Qh5 Nf6 25. Qf3 Qe4 26. Qh3 Nxe3 27.
Rxe3 Qb7 28. Rb3 Qd7 29. Qc3 Ref7 30. Qxc5 Ne4 31. Qc4 Nxf2 32. Rf3 Qa7 33.
Rxf7 Rxf7 34. Qc8+ Rf8 35. Qc4+ Kh8 36. Re1 Nh3+ 37. Kh1 Qg1+ 38. Rxg1 *
Position (FEN): 5r1k/6pp/p7/8/2Q5/7n/PP4PP/6RK b - - 0 38
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 970
Best move: Nf2#