Event: IM Brown Shield

PDF Excel

Opponent	Rating	Result
Steve Harrington	1641	1 - 0
Adamjeet Singh	1625	1 - 0
Kai Taylor	1489	1 - 0
Steve Withington	1684	0 - 1

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

1810 = (6439 + 400 * (3 - 1)) / 4)