Event: Division Four

Opponent Rating Result
David Molineux 127 ½ - ½
Peter Seeley 127 ½ - ½
Don S Curry 133 ½ - ½
Stephen R Wilcox 148 0 - 1
Mike J Groombridge 127 0 - 1
Philip C Maybury 132 ½ - ½
Mark E Tallis 136 ½ - ½
Mohammed NA Chowdhury 179 ½ - ½
Simon A Killarney 131 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

4 = (1240 + 400 * (0 - 3)) / 9)

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