Event: LCA Division 1

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Opponent Rating Result
Neil Roberts 121 1 - 0
Rod S Wardlaw 137 ½ - ½
Peter Damms 155 1 - 0
Ian McDonald 149 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

441 = (562 + 400 * (3 - 0)) / 4)

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