Event: Dave Luckin Trophy

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Opponent Rating Result
Martin Stewart 1840 ½ - ½
David Jones 1650 0 - 1
Barry S Miles 1668 1 - 0
Callum Hayes 1576 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1584 = (6734 + 400 * (1 - 2)) / 4)

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