Event: Doncaster League

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Opponent Rating Result
Neil Todd 1733 0 - 1
Alan J Smith 1585 0 - 1
Gordon Harrison 1390 ½ - ½
Paul Hagan 1271 0 - 1
Colin Parrish 1539 0 - 1
Vlad Shaposhnikov 1686 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1201 = (9204 + 400 * (0 - 5)) / 6)

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Opponent Rating Result
Richard F Hall 1775 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1375 = (1775 + 400 * (0 - 1)) / 1)