Event: Doncaster Bell Trophy

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Opponent Rating Result
Tim Prosser 144 0 - 1
Robert Bacon 109 1 - 0
Neil Todd 143 ½ - ½
Steven Devonshire 124 ½ - ½
Martin S Simmonds 149 1 - 0
Robert Bacon 109 1 - 0
David P Hatfield 127 1 - 0
Alan Bramall 141 1 - 0
Alan Taylor 100 1 - 0
Alan Bramall 141 1 - 0
Robert Bacon 109 1 - 0
Martin S Simmonds 149 ½ - ½
Tim Prosser 144 1 - 0
Robert Bacon 109 0 - 1
Neil Todd 143 ½ - ½
Steven Devonshire 124 1 - 0
David P Hatfield 127 1 - 0
Alan Taylor 100 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

350 = (2292 + 400 * (12 - 2)) / 18)

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