Event: WMA Summer League Division 2

PDF Excel

Opponent	Rating	Result
Julie C Wilson	70	0 - 1
Paul Bignall	90	0 - 1
Peter Warren	70	1 - 0
Simon Berry	83	½ - ½
John Green	106	0 - 1
Julie C Wilson	70	1 - 0
Paul Bignall	90	0 - 1
Peter Warren	70	1 - 0
Simon Berry	83	½ - ½
John Green	106	0 - 1

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

4 = (838 + 400 * (3 - 5)) / 10)