Event: Mick Croft Cup

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Opponent	Rating	Result
Richard G Eales	2194	0 - 1
Colin G Gregory	1595	1 - 0
John Thorley	1592	1 - 0

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

1927 = (5381 + 400 * (2 - 1)) / 3)