Event: IM Brown Shield

PDF Excel

Opponent	Rating	Result
Geoffrey D Brown	1734	½ - ½
Steve Harrington	1647	1 - 0
Vance Frisch	1789	½ - ½

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

1857 = (5170 + 400 * (1 - 0)) / 3)