So at 4:29 Nf3+ was a miss because Polina had M2 with rook sac Rxg2+, followed by forced move Kxg2, then Qh2# as the black knight guards the other 2 squares not covered by the black queen.
Liked and subscribed. That was very valuable game to learn from: White did not get anything going, while Black improved her pieces and position with every move. ... Is there a way we can get the moves of that game, starting from move 1 ?