Event: Club Championship

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Opponent	Rating	Result
Ryan Robinson	0	1 - 0
D Brett Lund	211	0 - 1
David Tuke	132	½ - ½
Phillip J Taylor	145	1 - 0
Carl A Tillotson	146	½ - ½

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

207 = (634 + 400 * (2 - 1)) / 5)