Event: Roger Goldsmith Div 1

PDF Excel

Opponent	Rating	Result
Alan Richardson	1953	½ - ½
Steve Lovell	1825	1 - 0
James Pack	1826	0 - 1

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

1868 = (5604 + 400 * (1 - 1)) / 3)