Event: MCA Division 1

PDF Excel

Opponent	Rating	Result
James P Rothwell	1885	½ - ½
Richard Kelly	1818	1 - 0
M Connor	0	1 - 0
Derek Rooney	1698	0 - 1
Richard Kelly	1818	0 - 1
Graham AG Williamson	1825	1 - 0
David F Pearcey	1825	0 - 1

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

1553 = (10869 + 400 * (3 - 3)) / 7)