Very Challenging Crossword Puzzle #1

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Across
  1. 1. Purpose of Korean suffix 의
  2. 3. Cheese with a red wax rind
  3. 5. Greatest chess player of all time’s rating
  4. 7. Following the pattern 21, 28, 36, 45, 55, etc.
Down
  1. 2. Where one might live, in France?
  2. 4. Homeland of chess player from 1 Down
  3. 6. “Hi!” in slang