Event: Division 4

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Opponent Rating Result
Oli Bain 1595 ½ - ½
Tiiu Loog 1692 ½ - ½
Henry Witchard 1793 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1827 = (5080 + 400 * (1 - 0)) / 3)

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Opponent Rating Result
Henry Witchard 1869 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2269 = (1869 + 400 * (1 - 0)) / 1)