Event: Club Championship

PDF Excel

Opponent	Rating	Result
George Samson	90	1 - 0
Peter Thompson	175	1 - 0
Peter E Jowett	188	0 - 1
Malcolm R Peacock	189	0 - 1

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

161 = (642 + 400 * (2 - 2)) / 4)