Event: Wellington Club IT

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Opponent Rating Result
Adrian Adamiec 96 1 - 0
Robert D Harris 109 1 - 0
David JW Smith 79 0 - 1
Alan A Stonebridge 111 0 - 1
Adrian Adamiec 96 0 - 1
Kym Sanders 80 1 - 0
AJ Smith 72 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

149 = (643 + 400 * (4 - 3)) / 7)

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