knight underpromotion , only move!

[Event "Live Chess"]
[Site "Chess.com"]
[Date "2023.12.15"]
[Round "-"]
[White "darkunorthodox88"]
[Black "vaishu2050"]
[Result "1-0"]
[CurrentPosition "6N1/p3q3/1p5k/7p/8/P7/1P6/K3R3 b - -"]
[Timezone "UTC"]
[ECO "A00"]
[ECOUrl "https://www.chess.com/openings/Van-Geet-Opening-Reversed-Nimzowitsch-Napoleon-Attack-3...exd4-4.Nxd4-Nf6-5.Bg5"]
[UTCDate "2023.12.15"]
[UTCTime "16:06:28"]
[WhiteElo "2274"]
[BlackElo "2171"]
[TimeControl "900+10"]
[Termination "darkunorthodox88 won by resignation"]
[StartTime "16:06:28"]
[EndDate "2023.12.15"]
[EndTime "16:34:24"]
[Link "https://www.chess.com/game/live/96395409291"]
[WhiteUrl "https://images.chesscomfiles.com/uploads/v1/user/43794534.fd4d27a6.50x50o.92c55903808f.jpeg"]
[WhiteCountry "2"]
[WhiteTitle "NM"]
[BlackUrl "https://images.chesscomfiles.com/uploads/v1/user/120531028.07e97809.50x50o.7cde4d648f62.jpeg"]
[BlackCountry "69"]
[BlackTitle ""]

1. Nc3 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 Be7 $2 6. Nf5 $1 O-O 7. Nxe7+
Qxe7 8. Nd5 $1 Qe5 9. Bxf6 gxf6 10. c3 $6 b6 $2 11. e3 $1 Bb7 12. Bd3 $2 (12. Qf3 Kg7)
12... Kh8 13. Nf4 $6 Rg8 14. Qc2 $6 Rg7 $2 15. h4 $9 Re8 $6 16. O-O-O Ne7 17. h5 h6
18. Rhg1 $6 Nd5 19. Nxd5 $6 Bxd5 20. Bf5 $2 d6 $9 21. g4 Reg8 $2 22. e4 Be6 23. f3 Bxf5
24. exf5 Rg5 $2 25. Qd2 $1 Qa5 26. Kb1 Kh7 $6 27. Qd4 Qe5 28. Qc4 $6 Qe7 29. Rde1 $6
Qd7 30. Qd4 Qd8 $6 31. Re4 $2 d5 $6 32. Re2 c5 33. Qd1 R8g7 $2 34. Rd2 Qg8 35. Re1 d4
36. cxd4 cxd4 37. Rxd4 Qa8 38. Rde4 $6 Qb7 39. Qd6 Qa6 40. Qxf6 $6 Qd3+ 41. Ka1 $1
Qxf3 42. Re7 Qxg4 43. Rxf7 Qxh5 $6 44. Rxg7+ $2 Rxg7 45. a3 Qg5 $6 46. Qe6 h5 $2 47.
f6 $1 Rg8 48. Qe7+ Kh6 49. f7 Qxe7 50. fxg8=N+ $3 {Game may have continued...} (50.
fxg8=N+ Kg7 51. Nxe7 h4 52. Rh1 h3 53. Rh2 Kf6 54. Nf5 {+6.02}) 1-0
an otherwise mediocre game from me, ( i gave black too many chances) but the type of ending you only land a few times in your chess career