Event: Open County Championship

PDF Excel

Opponent	Rating	Result
Gary Kenworthy	2169	1 - 0
Alan B Merry	2515	½ - ½
Gwilym T Price	2262	½ - ½

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

2449 = (6946 + 400 * (1 - 0)) / 3)