Event: Two East

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Opponent Rating Result
John H Lewin 1855 ½ - ½
Maxim W Dunn 1900 0 - 1
Aron Penczu 0 1 - 0
G Roland Glotzer 1735 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1273 = (5490 + 400 * (1 - 2)) / 4)

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