Event: IM Brown

PDF Excel

Opponent	Rating	Result
Ian D Strickland	124	1 - 0
Mark W White	185	0 - 1
John M Allan	159	0 - 1
Richard O Callis	139	1 - 0

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

152 = (607 + 400 * (2 - 2)) / 4)