Event: Division 3

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Opponent Rating Result
Chris Jones 2129 0 - 1
W John Marshall 1757 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1743 = (3886 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
John Wright 1519 1 - 0
Lawrence Rhodes 1552 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1536 = (3071 + 400 * (1 - 1)) / 2)