Event: Wellington Club IT

PDF Excel

Opponent	Rating	Result
Adrian N Walker	140	0 - 1
Chris F Barratt	118	½ - ½
Alan A Stonebridge	111	1 - 0
Chris F Barratt	118	½ - ½
Adrian N Walker	140	½ - ½
David JW Smith	79	1 - 0
John Jeremiah	109	1 - 0

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

231 = (815 + 400 * (3 - 1)) / 7)