context: 1. f2f4 An interesting situation that can happen in Chess960: White creates a decisive threat right from the first move. 1... f7f5 Black copies White's idea instead of wasting time defending the a7-pawn. 2. b2b4 This is a difficult move that requires a good understanding of the position. It was played in all the games of this round. 2... b7b5 Two alternatives were played in the other games.