Event: Aylsham Challengers

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Opponent	Rating	Result
Bruce M Carman	1510	0 - 1
Matthew R Perry	1684	0 - 1
Tony Piper	1353	0 - 1

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

1116 = (4547 + 400 * (0 - 3)) / 3)