Event: u1850 County Championship

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Opponent Rating Result
Nigel J Larter 1800 ½ - ½
David Willsher 1772 0 - 1
Daniel Pugh 1624 0 - 1
Ben Yelverton 1730 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1532 = (6926 + 400 * (0 - 2)) / 4)

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