Event: Div 3 - Batley-Meek Memorial Trophy

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Opponent Rating Result
Geoffrey D Brown 1734 1 - 0
Richard E Desmedt 1784 ½ - ½
Ionel Dragan 1927 0 - 1
Brendan Ashmore 1629 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1869 = (7074 + 400 * (2 - 1)) / 4)

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