Event: Div1

PDF Excel

Opponent	Rating	Result
Paul Madden	195	½ - ½
Sohrab Panday	165	0 - 1
Peter JE Ackley	189	½ - ½

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

50 = (549 + 400 * (0 - 1)) / 3)