Event: Individual Classic

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Opponent Rating Result
Martin Singer 1600 ½ - ½
Emma Walker 1309 1 - 0
Keith G Hyde 1840 ½ - ½
David A Page 1788 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1634 = (6537 + 400 * (1 - 1)) / 4)

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