Event: Division 2

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Opponent Rating Result
Janis Petersons 0 0 - 1
Alan Stubbs 0 1 - 0
Alan Smith 1705 ½ - ½
Ben Toth 0 0 - 1
Roger Waddingham 1507 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

642 = (3212 + 400 * (2 - 2)) / 5)

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Opponent Rating Result
Ben Toth 0 0 - 1
Robert Hopkins 1351 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

276 = (1351 + 400 * (0 - 2)) / 2)