Event: Division Three

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Opponent Rating Result
Jack Batchelor 76 0 - 1
Leslie Pringle 123 0 - 1
John Ryan 106 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-298 = (305 + 400 * (0 - 3)) / 3)

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Opponent Rating Result
Laith Auchi 75 1 - 0
John Ryan 110 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

293 = (185 + 400 * (1 - 0)) / 2)