Event: 4 Board League B

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Opponent Rating Result
William Boothman 1750 1 - 0
Paul Solomons 1885 0 - 1
Phillip Shaw 1375 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1803 = (5010 + 400 * (2 - 1)) / 3)

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