Event: A Division

PDF Excel

Opponent	Rating	Result
Virgil Szekely	187	½ - ½
Sean Marsh	207	½ - ½
Giuseppe Magazzu	159	1 - 0
Bill Wilson	160	1 - 0
Nicholas Tavoularis	203	0 - 1
Virgil Szekely	187	½ - ½
Sean Marsh	207	½ - ½
Francis Batchelor	177	½ - ½

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

236 = (1487 + 400 * (2 - 1)) / 8)