Event: Kenneth Appleby

PDF Excel

Opponent	Rating	Result
S Neil Bolton	79	½ - ½
John Hipshon	123	½ - ½
Kenneth L Marsden	79	1 - 0
Thomas Jordan	113	0 - 1
Ben Strutt	128	0 - 1

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

24 = (522 + 400 * (1 - 2)) / 5)