Blunder a rook to make tactics work ;)

It was the last round of the tournament, and it was crucial for me to win the game against slightly higher rated opponent (FIDE 2061 versus my 1995 at the moment) in order to gain the rating prize.

Here is my video analysis on the critical part of the game: youtu.be/6C95-PZgRf4

Here is the complete game: chess24.com/en/watch/live-tournaments/heart-of-finland-2017/9/1/17.