Event: B&DCL Div 3

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Opponent Rating Result
Stephen Disney 132 ½ - ½
Simon Patterson 127 0 - 1
Michael J Litchfield 144 0 - 1
Simon Bown 125 1 - 0
Malcolm Day 117 1 - 0
John R Bowley 125 ½ - ½
Simon Patterson 127 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

185 = (897 + 400 * (3 - 2)) / 7)

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