Event: Division 1

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Opponent Rating Result
Colin S Procter 1814 0 - 1
Dave Young 1378 1 - 0
AJ (Tony) Slinger 1901 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1564 = (5093 + 400 * (1 - 2)) / 3)

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Opponent Rating Result
William Boothman 1788 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1788 = (1788 + 400 * (0 - 0)) / 1)