Event: Thornaby Rapidplay Ladder

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Opponent Rating Result
Janos Mehes 1528 0 - 1
Janos Mehes 1518 0 - 1
Toefl Lankapura 1100 0 - 1
Joseph Machin 1407 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

988 = (5553 + 400 * (0 - 4)) / 4)

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