Event: Doncaster Bell Trophy

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Opponent Rating Result
Phillip J Battye 139 0 - 1
Gerald R Thickett 90 ½ - ½
Gerald R Thickett 90 0 - 1
Phillip J Battye 139 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-186 = (458 + 400 * (0 - 3)) / 4)

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Opponent Rating Result
Chris G Willey 142 ½ - ½
Dennis Hattersley 84 1 - 0
Alan J Smith 113 ½ - ½
Gerald R Thickett 81 0 - 1
Chris G Willey 142 0 - 1
Dennis Hattersley 84 ½ - ½
Alan J Smith 113 0 - 1
Gerald R Thickett 81 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-45 = (840 + 400 * (1 - 4)) / 8)