Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. e5 d4 3. c3 dxc3 4. bxc3 c5 5. Bb5+ Bd7 6. Qa4 Nc6 7. f4 e6 8. Nf3
Nge7 9. Ba3 b6 10. d4 Nf5 11. dxc5 Bxc5 12. Bxc5 bxc5 13. O-O Qb6 14. Qa6 O-O
15. Qxb6 axb6 16. a4 Rfd8 17. Na3 Na5 18. Rfd1 Bxb5 19. Rxd8+ Rxd8 20. axb5 Rd3
21. Nc4 Nb3 22. Ra3 Rd1+ 23. Kf2 Na5 24. Nxa5 bxa5 25. Rxa5 g6 26. b6 Ne7 27.
Rxc5 Rb1 28. Rc7 Kf8 29. b7 Rb2+ 30. Kg3 Nf5+ 31. Kh3 Kg7 32. c4 Ne3 33. Nh4 h5
34. c5 Nd5 35. Rd7 Nxf4+ 36. Kg3 Ne2+ 37. Kh3 Rb3+ 38. g3 *
Position (FEN): 8/1P1R1pk1/4p1p1/2P1P2p/7N/1r4PK/4n2P/8 b - - 0 38
Black to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 1595
Best move: Nf4#