Event: Doncaster Handicap League

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Opponent Rating Result
George D Boothman 109 1 - 0
Peter M Tate 120 1 - 0
Sean O McDonald 162 0 - 1
Alan Bramall 148 0 - 1
Alan Bramall 145 0 - 1
Peter Catt 137 ½ - ½
Anthony G Steele 112 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

133 = (933 + 400 * (3 - 3)) / 7)

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