Event: SCCA Division 2 19/20

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Opponent Rating Result
Alan Watkins 149 0 - 1
Harold Thomas 133 ½ - ½
Daniel Such 99 ½ - ½
Edgar Nightingale 104 ½ - ½
Vicky B Allen 117 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

40 = (602 + 400 * (0 - 1)) / 5)

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