Event: Division RP1

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Opponent Rating Result
Adrian D Wallace 1975 0 - 1
Paul Sloane 1752 0 - 1
Adrian D Wallace 1975 0 - 1
Paul Sloane 1752 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1564 = (7454 + 400 * (0 - 3)) / 4)

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