Event: Division A

PDF Excel

Opponent	Rating	Result
John Whitfield	1797	½ - ½
Lee P Kay	2019	0 - 1
Armand Catz	1799	0 - 1
Colin Sinclair	1792	1 - 0
John Whitfield	1797	1 - 0
Graham J Ashcroft	1866	½ - ½
Mark Taylor	1823	1 - 0

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

1899 = (12893 + 400 * (3 - 2)) / 7)