Event: Spring OTB Division 4

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Opponent Rating Result
Ondrej Chalupa 1700 0 - 1
Thisumi Jayawarna 1718 ½ - ½
David J Fowler 1665 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1428 = (5083 + 400 * (0 - 2)) / 3)

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