Event: Division 1

PDF Excel

Opponent	Rating	Result
Jon M Griffiths	1792	½ - ½
Danut Joian	1929	½ - ½
Anthony Sadler	1813	0 - 1
David Phillips	2127	½ - ½
Richard Liszewski	1873	0 - 1
Gordon SG Christie	1732	0 - 1
Tom Cockell	1589	1 - 0

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

1722 = (12855 + 400 * (1 - 3)) / 7)