Event: D&DCL Div 2

PDF Excel

Opponent	Rating	Result
Dean M Hartley	1806	0 - 1
John D Hoddy	1807	0 - 1
David Smith	1848	0 - 1
Paul Williams	1723	0 - 1
David Hatton	1553	1 - 0
David Williams	1870	½ - ½
Ray Sawyer	1603	½ - ½
Stuart Marshall	1800	1 - 0(def)

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

1573 = (12210 + 400 * (1 - 4)) / 7)