Event: Silver Rook

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Opponent Rating Result
Michael A Fox 1626 1 - 0
Matt Jones 1742 0 - 1
Anthony A Gilpin 1753 0 - 1
Mark Leatham 1571 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1573 = (6692 + 400 * (1 - 2)) / 4)

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