Event: LCA Division 1

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Opponent Rating Result
Alexandr Klimchik 2098 ½ - ½
Ben Ashcroft 1590 1 - 0
David Bale 0 ½ - ½
Denis Georgiou 1870 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1590 = (5558 + 400 * (2 - 0)) / 4)

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