Event: Doncaster League

PDF Excel

Opponent	Rating	Result
Farrell P Clifford	138	½ - ½
Colin Parrish	100	1 - 0
Paul Lea-Kime	124	½ - ½
Tim Prosser	136	0 - 1
Phillip J Battye	132	1 - 0
George D Boothman	121	½ - ½
Gordon Harrison	105	1 - 0

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

237 = (856 + 400 * (3 - 1)) / 7)