Event: Eastman Cup

PDF Excel

Opponent	Rating	Result
Jake Stones	1808	0 - 1
Neil T Davies	1916	0 - 1
Wanda Le	1500	1 - 0
Graham P Alcock	1825	0 - 1
Andrew Hayler	1961	½ - ½
Annie Hawes	1595	1 - 0
John Goodacre	1774	1 - 0

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

1768 = (12379 + 400 * (3 - 3)) / 7)