Event: Hartlepool Swiss Championship

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Opponent Rating Result
Mark T Priest 1488 1 - 0(def)
Kevin M Waterman 1608 0 - 1
Graham R Marshall 1368 0 - 1
Graham W Matthews 1563 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1113 = (4539 + 400 * (0 - 3)) / 3)

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