Event: Division 1

PDF Excel

Opponent	Rating	Result
Chris J Dorrington	220	0 - 1
Michael Harris	218	½ - ½
Szymon Palucha	188	½ - ½
Michael Harris	218	1 - 0
Graham J Moore	218	1 - 0
Martyn Goodger	189	1 - 0
Szymon Palucha	188	½ - ½
David J Coleman	201	1 - 0

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

355 = (1640 + 400 * (4 - 1)) / 8)