Event: Division 5

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Opponent Rating Result
Jason Turvey 1473 0 - 1
Michael J Lord 1608 ½ - ½
Peter Hegarty 406 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

896 = (3487 + 400 * (0 - 2)) / 3)

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