Event: Steele Cup

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Opponent Rating Result
Colin G Gregory 1615 1 - 0
David Erwee 1533 1 - 0
Paul Carfrae 1683 1 - 0
Andy Flood 1593 1 - 0
David Erwee 1533 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1991 = (7957 + 400 * (5 - 0)) / 5)

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