Event: Division 3

PDF Excel

Opponent	Rating	Result
Brian J Izzard	118	1 - 0
Ian J Philipson	127	1 - 0
John Wright	0	1 - 0
Norman Hawkins	104	½ - ½
Ian Dennis	137	½ - ½

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

337 = (486 + 400 * (3 - 0)) / 5)