Event: Folkestone Club Championship

PDF Excel

Opponent	Rating	Result
James PW Smith	1414	½ - ½
Thomas Milligan	1347	0 - 1
Tim Waggott	1299	1 - 0
Matt Davies	1091	1 - 0

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

1388 = (5151 + 400 * (2 - 1)) / 4)