Event: Division A

PDF Excel

Opponent	Rating	Result
John Whitfield	1800	0 - 1
Harry H Altoft	1263	½ - ½
Andrew Thornley	1457	½ - ½

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

1373 = (4520 + 400 * (0 - 1)) / 3)