Event: Baum Trophy

PDF Excel

Opponent	Rating	Result
Neville H Twitchell	1871	0 - 1
Mark R A Murrell	1894	½ - ½
Neville H Twitchell	1871	0 - 1
Mark R A Murrell	1894	0 - 1

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

1583 = (7530 + 400 * (0 - 3)) / 4)