Here is the analysis in the tie-break game where Carlsen with White won against Nakamura.
With this win, Carlsen became the 2019 World Blitz Chess Champion.
fide.comChessbase : Carlsen-Nakamura 2019 annotated.html
after 17 Qf3!
Position after 25...Nbc5.
Carlsen played Nf7+ which wins but 26Rh7+Kh7 28 Qh5+Kg8 29 Ne7 is checkmate in 3 moves
Video of the game courtesy of Chessbase India
https://www.youtube.com/watch?v=d-7ZpPDrOOo
Animated game
