Event: Roger Goldsmith Div 2

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Opponent Rating Result
David P Green 1601 ½ - ½
Nathan Weersing 1584 ½ - ½
Isaac Kim 1456 1 - 0
Mike Angel 1579 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1755 = (6220 + 400 * (2 - 0)) / 4)

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