Event: Division 1

PDF Excel

Opponent	Rating	Result
Tobias W Stock	177	0 - 1
Laurence A Butt	161	0 - 1
Rakesh Nair	161	½ - ½
Lawrence Rhodes	137	0 - 1
Peter Harbott	163	0 - 1
Peter Larwood	164	½ - ½
David N Roberts	169	½ - ½

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

-67 = (1132 + 400 * (0 - 4)) / 7)