Event: Rapid Play League

PDF Excel

Opponent	Rating	Result
Neil Griffiths	1717	1 - 0
Neil Griffiths	1717	1 - 0
Warren B Dennison	2005	0 - 1
Warren B Dennison	2005	0 - 1

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

1861 = (7444 + 400 * (2 - 2)) / 4)