Event: League Division 2

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Opponent Rating Result
Brian H Coop 1917 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1517 = (1917 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Paul Gelder 1596 ½ - ½
Olli Bonada 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

798 = (1596 + 400 * (0 - 0)) / 2)