Event: 4-Board Division 2

PDF Excel

Opponent	Rating	Result
William I Wright	110	0 - 1
Graham Lee	113	1 - 0
Ron V Kemp	94	1 - 0
Nick Colley	78	1 - 0
Janina Kanajeva	94	½ - ½

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

258 = (489 + 400 * (3 - 1)) / 5)