Event: Dave Welch 7200 League

PDF Excel

Opponent	Rating	Result
Mike Stoddart	1728	0 - 1
Dylan Mize	1892	0 - 1
David F Pearcey	1815	½ - ½

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

1545 = (5435 + 400 * (0 - 2)) / 3)