Event: Division 5

PDF Excel

Opponent	Rating	Result
Michael James	954	0 - 1
Roger Southward	1152	½ - ½
Vincent Barker	1161	0 - 1
Alan Shaw	1200	1 - 0

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

1017 = (4467 + 400 * (1 - 2)) / 4)