Event: A Division

PDF Excel

Opponent	Rating	Result
Bill Wilson	160	½ - ½
Virgil Szekely	187	½ - ½
Sean Marsh	207	1 - 0
Francis Batchelor	177	½ - ½
Paul Gregory	165	½ - ½
David C Baillie	182	0 - 1
Stephen W Dauber	178	1 - 0
John S Garnett	169	1 - 0
Martin P McLoughlin	160	½ - ½

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

265 = (1585 + 400 * (3 - 1)) / 9)