Event: Christmas Allegro

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Opponent Rating Result
Andrew R Brett 2107 0 - 1
Thomas Hsia 1456 ½ - ½
David W Moore 1303 0 - 1
Pranavsuriya Kumarvimala 1347 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1253 = (6213 + 400 * (0 - 3)) / 4)

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