Event: Division 1

Opponent Rating Result
Reinhold H Heinlein 184 1 - 0
Robert Shaw 205 ½ - ½
Jonathan LB Blackburn 200 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

330 = (589 + 400 * (1 - 0)) / 3)

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