Event: ChAMPS/OTB RapidPlay 29/12/21

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Opponent Rating Result
Chris Lysons 1413 1 - 0
Tim Hilton 1997 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1905 = (3410 + 400 * (1 - 0)) / 2)

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