Pawn endgame practice, queen versus pawn one step away from promoting

This study from 1932 by Nicolai Grigoriev tackles the theory and practice behind a queen versus a pawn on 2nd/7th rank. Very informative I think! White is winning this if you find the right starting move! Subscribe to my channel for more great puzzles, gambit tutorials and chess opening videos! Maybe also check out my videos about the online game Supremacy 1914?