Event: 4-Board Division 1

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Opponent Rating Result
Sean Smith 1414 0 - 1
Steve Tomlinson 1448 1 - 0
Steve J Thrower 1444 1 - 0
Andrew Donegan 1335 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1610 = (5641 + 400 * (3 - 1)) / 4)

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