Soviet Crossword

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Across
  1. 3. 1st, 2nd and 4th Soviet Championships only
  2. 7. Name of hall in Yerevan hosting the 30th Soviet Championship
  3. 8. Beats Botvinnik in his only appearance at the Soviet Championship
  4. 9. Annotator for the 9th Soviet Championship tournament book
  5. 10. Brothers who played in Baku
  6. 12. Wrote the book Achieving the Aim
  7. 15. Moved his King 13 times in 20 moves in 1956 in response to a Tal Knight sacrifice.
  8. 16. Stole the national title in his home town in 59.
  9. 17. The unlikely winner of the 39th Soviet Championships
  10. 18. GM born in Shadrinsk
Down
  1. 1. Wrote The Sorcerer's Apprentice
  2. 2. Awarded title of IM the same year he died
  3. 4. Replaced by Smyslov in the Biel Interzonal in 76
  4. 5. Withdrew on Round 3 of the 14th Soviet Championship due to illness.
  5. 6. Wrote a book on Alekhine's Defence
  6. 11. Tolush's replacement for a budding world champion.
  7. 13. Latvian absent from Soviet Championships
  8. 14. The last player to win the Soviet Championships.