Event: Internal Rapidplay Jan2

PDF Excel

Opponent	Rating	Result
Laura Holdforth	1237	1 - 0
Tashil Lankapura	1162	0 - 1
William Rowett	1318	0 - 1

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

1106 = (3717 + 400 * (1 - 2)) / 3)