Event: Summer Rapidplay

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Opponent Rating Result
Iain Mellis 1650 0 - 1
Alex Jamieson 1476 ½ - ½
Richard Kuby 1410 1 - 0
Sagar Patil 1556 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1423 = (6092 + 400 * (1 - 2)) / 4)

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