Event: Doncaster Bell Trophy

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Opponent Rating Result
Colin Parrish 1376 1 - 0
Andrew Butterworth 1967 0 - 1
Martin Presley 1579 ½ - ½
Colin Parrish 1376 0 - 1
Andrew Butterworth 1967 0 - 1
Martin Presley 1579 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1441 = (9844 + 400 * (1 - 4)) / 6)

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Opponent Rating Result
Neil Todd 1745 0 - 1
Neil Todd 1745 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1345 = (3490 + 400 * (0 - 2)) / 2)