Event: Book Prize - D 24/25

PDF Excel

Opponent	Rating	Result
Steve Saunders	1031	1 - 0
Rose Saunders	1090	1 - 0
Ian D Parker	1148

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1461 = (2121 + 400 * (2 - 0)) / 2)