Event: Silver Rook

PDF Excel

Opponent	Rating	Result
Robert Pells	1678	1 - 0
Anthony A Gilpin	1995	½ - ½
Aaron Rich	1864	0 - 1
Ian D Strickland	1608	0 - 1

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

1686 = (7145 + 400 * (1 - 2)) / 4)