Event: 5th Somerset New Year Major

PDF Excel

Opponent	Rating	Result
Edward P Small	0	½ - ½
H William Ingham	0	0 - 1
George Georgiou	1785	½ - ½
Robert P Radford	0	0 - 1
Tiiu Loog	0	½ - ½

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

197 = (1785 + 400 * (0 - 2)) / 5)