Event: Division 4

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Opponent Rating Result
Freddie Pick 1891 0 - 1
James Picton 1615 0 - 1
Joseph Wing 1519 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1542 = (5025 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
Graham Strickland 1421 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1821 = (1421 + 400 * (1 - 0)) / 1)