Event: Club Championship Div 3

PDF Excel

Opponent	Rating	Result
Philip Grocott	1348	1 - 0
Michael Keenan	1325	1 - 0
Steve Ballantyne	1359	½ - ½
Nathan Fourie	1348	0 - 1

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

1445 = (5380 + 400 * (2 - 1)) / 4)