Event: John Robinson Trophy

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Opponent Rating Result
John Masefield 1552 1 - 0
Szabolcs Fulop 1893 0 - 1
Nicholas J Caldwell 1839 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1628 = (5284 + 400 * (1 - 2)) / 3)

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