Event: Mini League

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Opponent Rating Result
Mike Bramson 1951 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1551 = (1951 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Steve A Spencer 1641 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2041 = (1641 + 400 * (1 - 0)) / 1)