Event: Bishop 2019-20

PDF Excel

Opponent	Rating	Result
David Gray	49	1 - 0
Samuel Biddiss	0	1 - 0
Peter J Helliwell	104	0 - 1
Marian Trofin	0	0 - 1

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

38 = (153 + 400 * (2 - 2)) / 4)