Event: Division 3

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Opponent Rating Result
Amandeep Singh 1483 0 - 1
Stephen Burton 1334 ½ - ½
Paul Greenwood 1475 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1164 = (4292 + 400 * (0 - 2)) / 3)

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