Event: Division 3

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Opponent	Rating	Result
Otis Hepburn	1359	1 - 0
Harry Duckworth	1492	½ - ½
John L Paines	1381	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1677 = (4232 + 400 * (2 - 0)) / 3)