Event: Division 1

PDF Excel

Opponent	Rating	Result
Peter J Mercs	185	1 - 0
Jim Burnett	189	1 - 0
Paul Cumbers	192	½ - ½
Jonathan Finn	164	1 - 0
Jonathan A Tait	195	½ - ½

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

425 = (925 + 400 * (3 - 0)) / 5)