Event: u1850 County Championship

Opponent Rating Result
Sean Burton 1823 1 - 0
Peter Barkas 1805 0 - 1
Alan Watkins 1830 1 - 0
Sean Burton 1823 ½ - ½
Paul Spencer 1748 ½ - ½
James Pack 1818 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1941 = (10847 + 400 * (3 - 1)) / 6)

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