Event: GP3 - November

PDF Excel

Opponent	Rating	Result
William H Luxton	1610	0 - 1
William F Tracey	1606	0 - 1
James Lumsden	1760	0 - 1

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

1259 = (4976 + 400 * (0 - 3)) / 3)