What is white mistakes?

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NikAziz
[Event "Computer"] [Site " Chess.com"] [Date "Jul 14, 2017"] [White "NikAziz"] [Black "Comp"] [Result "*"] [WhiteElo "--"] [BlackElo "--"] [TimeControl "--"] 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc4 Nf6 5. f3 exf3 6. Nxf3 Bg4 7. Bxf7+ Kxf7 8. Ne5+ Ke8 9. Nxg4 Nbd7 10. Nxf6+ Nxf6 11. O-O Qb6 12. b3 Rd8 13. Be3 Kd7 14. Na4 Qa5 15. Nc5+ Kc8 16. b4 Qb5 17. a4 Qc4 18. b5 e5 19. bxc6 Bxc5 20. cxb7+ Kb8 21. dxc5 Rxd1 22. Raxd1 * Sent from my Android
NikAziz

So this is a real tournament game and I'm so upset how I lose...I currently didn't look my hanging knight lol..