Event: Division 5

PDF Excel

Opponent	Rating	Result
R (Bob) Abrahart	1609	1 - 0
David C Dunne	1475	1 - 0
Jim Wellington	1543	1 - 0
Duncan White	1000	½ - ½

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

1707 = (5627 + 400 * (3 - 0)) / 4)