Event: Division 5

PDF Excel

Opponent	Rating	Result
Benjamin James	1548	1 - 0
George Martin	0	1 - 0
Benjamin James	0	1 - 0
Alfred D Din	0	1 - 0
Yash Handa	0	½ - ½

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

630 = (1548 + 400 * (4 - 0)) / 5)