Event: B&DCL Div 3

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Opponent Rating Result
John R Bowley 127 ½ - ½
Peter Donaldson 134 0 - 1
Jan Van Heeckeren 102 1 - 0
Barry MS Jolly 115 0 - 1
David Arorash 126 1 - 0
David Arorash 126 1 - 0
Tim Jones 107 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

120 = (837 + 400 * (3 - 3)) / 7)

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