Event: 5th Somerset New Year Major

PDF Excel

Opponent	Rating	Result
Robert P Radford	0	1 - 0
Paul Spiller	0	0 - 1
Tiiu Loog	0	1 - 0
Edward P Small	0	1 - 0
Tim Jones	1766	1 - 0

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

593 = (1766 + 400 * (4 - 1)) / 5)