Event: Clough (Handicap)

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Opponent	Rating	Result
Keith Marsh	1670	0 - 1
Nick Mullan	1523	0 - 1
Richard Zaidman	1660	0 - 1

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

1218 = (4853 + 400 * (0 - 3)) / 3)