Event: 5th Somerset New Year Intermediate

PDF Excel

Opponent	Rating	Result
Spencer Lawrence	1777	0 - 1
Arthur Hibbitt	0	0 - 1
Peter Ackland	0	0 - 1
Alan Papier	0	0 - 1

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

44 = (1777 + 400 * (0 - 4)) / 4)