Event: Hull Club Championship

PDF Excel

Opponent	Rating	Result
John Scotter	115	0 - 1
Philip A Wood	71	0 - 1
Jason Clemmey	94	0 - 1
John Burton	81	½ - ½
Mark Schofield	93	1 - 0

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

-69 = (454 + 400 * (1 - 3)) / 5)