Event: Division 5

PDF Excel

Opponent	Rating	Result
Andrew Hardy	1475	0 - 1
Joseph E Miller	1409	0 - 1
Michael Owen	0	0 - 1
Arun Mohindra	1297	0 - 1
Paul Ryan	1228	1 - 0
Steven Wilde	1417	0 - 1
Joe Eggett	0	½ - ½
Charles Greer	1473	½ - ½

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

837 = (8299 + 400 * (1 - 5)) / 8)