Event: Division 1

Opponent Rating Result
Paul H Kenning 1800 ½ - ½
D Ian W Reynolds 1888 ½ - ½
Leslie J Crane 1801 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1830 = (5489 + 400 * (0 - 0)) / 3)

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