Event: John Davis 6200 League

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Opponent Rating Result
Brian D Corner 1487 0 - 1
Edward Patten 1530 ½ - ½
Paul Capstick 1330 ½ - ½
Alex Thomas 1435 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1446 = (5782 + 400 * (1 - 1)) / 4)

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