Event: Doncaster Handicap League

PDF Excel

Opponent	Rating	Result
Alan Bramall	141	½ - ½
Robbie Merc	104	1 - 0
Barry Tonge	84	1 - 0
Alan J Smith	111	1 - 0
Patrick Wilson	55	1 - 0

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

419 = (495 + 400 * (4 - 0)) / 5)