Event: Mini League

PDF Excel

Opponent	Rating	Result
Liam Knox	1467	1 - 0
S Neil Bolton	1338	0 - 1
Stephen Burton	1495	0 - 1
Jon Jordan	1620	0 - 1
Mike Bramson	1978	1 - 0

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

1500 = (7898 + 400 * (2 - 3)) / 5)