Event: Division 1

PDF Excel

Opponent	Rating	Result
Michael J Busby	1518	1 - 0
Graham M Booley	1825	0 - 1
John Pattinson	1653	½ - ½
Robert Mitchell	1840	0 - 1
Brian Galligan	2043	½ - ½
George Kolbusz	1900	½ - ½
Robert Mitchell	1840	0 - 1

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

1688 = (12619 + 400 * (1 - 3)) / 7)