Event: OTB Club Championship

PDF Excel

Opponent	Rating	Result
Ryan Colclough	1624	0 - 1
Jay Demetriou	1454	0 - 1
Cormac P Stamper	1358	0 - 1
Mark Le Gassicke	1364	0 - 1
Alistair J M Taylor	1500	1 - 0(def)
Ivan Hutcheson	1490	0 - 1

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

1058 = (7290 + 400 * (0 - 5)) / 5)