Event: Division 1 - Open

PDF Excel

Opponent	Rating	Result
H William Ingham	1926	1 - 0
David J Archer	1956	0 - 1
Peter E Halmkin	1778	1 - 0
Mark V Abbott	1884	½ - ½
Piotr Ruszelak	1784	1 - 0
Joshua P Blackmore	1865	0 - 1
Richard Brenton	1574	1 - 0

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

1938 = (12767 + 400 * (4 - 2)) / 7)