Event: LCA Division 2

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Opponent Rating Result
Ian McDonald 1720 0 - 1
John Pocock 1448 ½ - ½
Tony Gill 1359 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1509 = (4527 + 400 * (1 - 1)) / 3)

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