Event: Hull Club Championship

PDF Excel

Opponent	Rating	Result
Scott Nicholson	160	0 - 1
Jason Clemmey	94	1 - 0
William I Wright	110	½ - ½
Dave M Cooper	105	0 - 1
John Burton	81	1 - 0

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

110 = (550 + 400 * (2 - 2)) / 5)