Event: Division 2

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Opponent Rating Result
Steven Philp 1547 1 - 0
Michael I Williams 1717 ½ - ½
Russell Cowell 1626 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1763 = (4890 + 400 * (1 - 0)) / 3)

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