Event: 4-Board Division 1

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Opponent Rating Result
Stephen Greep 1603 0 - 1
Peter T Perkins 1620 ½ - ½
David P Thrun 1315 1 - 0
Andrew Donegan 1428 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1592 = (5966 + 400 * (2 - 1)) / 4)

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