Event: Brewood Chess Circle Club Championship

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Opponent Rating Result
David Blower 1557 1 - 0
Andrew Phillips 1540 1 - 0
John Sewell 1198 0 - 1
Thomas Binns 1518 1 - 0
John Sewell 1467 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1696 = (7280 + 400 * (4 - 1)) / 5)

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