Event: Martin Cath Trophy

PDF Excel

Opponent	Rating	Result
John H Lewin	1855	1 - 0
David R Sedgwick	1846	0 - 1
Mark P Smith	1891	1 - 0

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

1997 = (5592 + 400 * (2 - 1)) / 3)