Event: Portsmouth Club Championship

PDF Excel

Opponent	Rating	Result
Lewis Hoskin	1292	1 - 0
Brian V Cochran	1282	1 - 0
Oleg Barantsev	2055	0 - 1

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

1676 = (4629 + 400 * (2 - 1)) / 3)