Event: Longplay

PDF Excel

Opponent	Rating	Result
Lewis Sharples	1373	½ - ½
Paul H Czyrski	1321	½ - ½
Lee Baron	1323	1 - 0
Paul Curran	1566	0 - 1

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

1396 = (5583 + 400 * (1 - 1)) / 4)