Event: Division 3 West

PDF Excel

Opponent	Rating	Result
Mark R Baker	0	0 - 1
John Jeremiah	0	0 - 1
Alex Hoyes	0	0 - 1
Thomas A Alsop	0	0 - 1
Malcolm Dinham	0	0 - 1

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

-400 = (0 + 400 * (0 - 5)) / 5)