Event: Division 1

PDF Excel

Opponent	Rating	Result
Bernard Ross	1409	½ - ½
Peter J Collicott	1500	1 - 0
Lee R Osmon	1307	1 - 0
Ed Kirkham	1741	½ - ½
Rowland Kerr	1863	1 - 0
Graeme Jones	1721	1 - 0
Piotr Wasilak	1956	0 - 1
Laurie Pott	1826	½ - ½

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

1815 = (13323 + 400 * (4 - 1)) / 8)