Event: Rapidplay League

PDF Excel

Opponent	Rating	Result
Jeff Wilson	103	0 - 1
Jeff Wilson	103	½ - ½
Jude Benhamida	70	1 - 0
Jude Benhamida	70	1 - 0

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

187 = (346 + 400 * (2 - 1)) / 4)