Event: OTB Special 3rd September

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Opponent	Rating	Result
Steven March	1288	0 - 1
David McNish	1642	0 - 1
Gul Kapur	1381	1 - 0

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

1304 = (4311 + 400 * (1 - 2)) / 3)