Event: Division 2

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Opponent Rating Result
Ralph Barraclough 1502 0 - 1
Lee Boyes 1597 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1350 = (3099 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Mike J Barnett 1650 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1650 = (1650 + 400 * (0 - 0)) / 1)