Event: 4-Board Division 1

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Opponent Rating Result
Edward S Oxley 1750 1 - 0
F Hal Jorna 1617 ½ - ½
Robin A Edwards 1636 1 - 0
Ian Scott 1610 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1953 = (6613 + 400 * (3 - 0)) / 4)

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