Event: Division 3

PDF Excel

Opponent	Rating	Result
Ian Goodyer	116	½ - ½
Roland Rattray	128	0 - 1
Jan Ten Sythoff	122	0 - 1
Artur Mieczkowski	128	1 - 0
David Britton	126	0 - 1
Adrian DP Waldock	146	1 - 0
Mike Reynolds	0	0 - 1

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

-5 = (766 + 400 * (2 - 4)) / 7)