Event: B&DCL Div 3

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Opponent Rating Result
John E Harris 128 ½ - ½
Malcolm Day 110 ½ - ½
Andrew Manson 105 0 - 1
Alan Davies 112 0 - 1
Jan Van Heeckeren 111 ½ - ½
David Bacon 60 1 - 0
Graham Hillman 114 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

49 = (740 + 400 * (1 - 2)) / 7)

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