Event: Walker Shield

PDF Excel

Opponent	Rating	Result
James PW Smith	1400	1 - 0
William Horsford	1075	0 - 1
Bob Wallace	1408	0 - 1
William Horsford	1075	0 - 1

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

1040 = (4958 + 400 * (1 - 3)) / 4)