Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. b3 c6 3. Bb2 Nf6 4. e3 Bg4 5. Be2 Nbd7 6. O-O e6 7. c4 Bd6 8. h3
Bxf3 9. Bxf3 O-O 10. d4 Ne4 11. Nd2 f5 12. Nxe4 fxe4 13. Bg4 Qe7 14. Qc2 Rae8
15. f3 exf3 16. Bxf3 Bb8 17. e4 dxe4 18. Bxe4 Qd6 19. g4 Nf6 20. Bf3 Nd7 21.
Qg2 Rf4 22. Be2 Ref8 23. Rxf4 Qxf4 24. Rf1 Qe3+ 25. Kh1 Rxf1+ 26. Bxf1 Nf6 27.
Qe2 Qxe2 28. Bxe2 Nd7 29. Kg2 Nf8 30. Kf3 Ng6 31. Ke4 Nf4 32. Bf1 g5 33. d5
exd5+ 34. cxd5 cxd5+ 35. Kf5 h6 36. Bc1 Kf7 37. h4 Ne6 38. hxg5 *
Position (FEN): 1b6/pp3k2/4n2p/3p1KP1/6P1/1P6/P7/2B2B2 b - - 0 38
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1402
Best move: Nd4#