Event: Online Division 2

PDF Excel

Opponent	Rating	Result
Matthew Best	1822	0 - 1
Keith Grice	1478	½ - ½
Stephen Tulett	1429	0 - 1
Norman P O'Connor	1559	0 - 1
Mark A Keady	0	1 - 0
Mark A Keady	1882	0 - 1
Keith Grice	1479	0 - 1

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

1150 = (9649 + 400 * (1 - 5)) / 7)