Event: Division 1

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Opponent Rating Result
David A Cordner 1974 ½ - ½
Ekramul Basher 1630 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1602 = (3604 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Lewis Hoskin 1258 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1658 = (1258 + 400 * (1 - 0)) / 1)