Event: Dons Club Challengers

PDF Excel

Opponent	Rating	Result
Yosif A Antonov	1625	1 - 0(def)
Andrew S Pandian	1618	½ - ½
Biran S Shah	1793	1 - 0
John E Dolamore	1809	1 - 0
Alexander New	2018	0 - 1
Geoffrey R Moore	2103	1 - 0(def)

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

1910 = (7238 + 400 * (2 - 1)) / 4)