Event: Doncaster Handicap League

Opponent Rating Result
Tim Prosser 136 0 - 1
George D Boothman 109 1 - 0
Peter M Tate 120 ½ - ½
Robert Bacon 104 1 - 0
Gerald R Thickett 106 1 - 0
Gerald R Thickett 109 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

314 = (684 + 400 * (4 - 1)) / 6)

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