Event: 6-Board Division 2

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Opponent Rating Result
Phil H Crook 1555 1 - 0
Andrew Olukpe 1500 1 - 0
Mark Robinson 1426 1 - 0
Steve J Thrower 1483 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1691 = (5964 + 400 * (3 - 1)) / 4)

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