Event: Dave Nicholas Summer League

PDF Excel

Opponent	Rating	Result
Ian Webster	113	1 - 0
Duncan Dicks	189	0 - 1
Joshua Gittins	121	1 - 0
Chris Haynes	128	1 - 0
Joshua Gittins	121	0 - 1
Ian Webster	113	1 - 0
Duncan Dicks	189	0 - 1
Chris Haynes	128	0 - 1

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

138 = (1102 + 400 * (4 - 4)) / 8)