Event: MID Harvey Cup

PDF Excel

Opponent	Rating	Result
Russell R Goodfellow	151	0 - 1
Tom H Stonehouse	148	1 - 0
Keith Nevols	163	0 - 1
Barrington Beavis	143	0 - 1
Derek Cosens	132	0 - 1
Paul Jeffery	120	0 - 1
Robert G Thompson	139	0 - 1

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

-143 = (996 + 400 * (1 - 6)) / 7)