Event: IM Brown Shield

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Opponent Rating Result
Paul Solomons 1854 1 - 0
Peter Shaw 2099 1 - 0
Toby Quaite 2057 1 - 0
Paul Wheatley 1834 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2361 = (7844 + 400 * (4 - 0)) / 4)

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