Event: Kenneth Appleby

PDF Excel

Opponent	Rating	Result
David Halpin	61	1 - 0
Hugh Thornton	126	½ - ½
Paul Gelder	121	½ - ½
Pete Brennan	121	0 - 1
Eric P Davies	103	1 - 0

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

186 = (532 + 400 * (2 - 1)) / 5)