Event: Open

PDF Excel

Opponent	Rating	Result
Nicholas A Walker	1960	1 - 0
Ian Emery	1947	1 - 0
Patrick CM Duncan	2170	1 - 0
Keith R Ingram	1915	1 - 0
Tony Preece	1792	½ - ½
Nicholas A Walker	1960	0 - 1
Ian Emery	1947	1 - 0
Patrick CM Duncan	2170	1 - 0
Keith R Ingram	1915	1 - 0
Tony Preece	1792	1 - 0

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

2237 = (19568 + 400 * (8 - 1)) / 10)