Event: Division 3

PDF Excel

Opponent	Rating	Result
Nick J London	1706	½ - ½
Brian M Hayward	1665	½ - ½
Thomas Trimble	1771	0 - 1
Keith Aiton	1859	0 - 1

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

1550 = (7001 + 400 * (0 - 2)) / 4)