Event: Division 3

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Opponent Rating Result
Thomas Williams 1600 1 - 0
Colin D Clark 1610 ½ - ½
Samuel Merchant 1417 0 - 1
Jonathan Bedingham 1361 0 - 1
Graham Robertson 1611 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1520 = (7599 + 400 * (2 - 2)) / 5)

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Opponent Rating Result
Julie L Denning 1601 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1201 = (1601 + 400 * (0 - 1)) / 1)