Answers.Body: <p>The 1993 Biel Interzonal according to <a href="http://www.thehindu.com/sport/other-sports/viswanathan-anand-back-in-open-tournament-after-23-years/article8154597.ece" rel="nofollow">The Hindu</a>.</p>
  
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Answers.Text: I would have thought the Interzonals aren't "open", but apparently the definition of an "Open" is wider (and more fuzzy) than I thought.
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Answers.Text: @BlindKungFuMaster I guess they mean a tournament where the Swiss system is used. You could also ask whether a tournament like the Qatar Masters Open is truly "open" when there is a minimum rating requirement of Elo 2300.
Answers.UserDisplayName: Dag Oskar Madsen
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Answers.Text: Well, there is also the term "swiss open" which would be redundant. But intuitively you're right. Apparently how you get into the tournament doesn't play too much of a role in defining a tournament as an open or not.
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Body: <p>When and what was the last open tournament that Vishy Anand participated in before this 2016 Gibraltar Open? </p>
  
Tags: <tournament><famous-players><anand>
Title: What was the last open tournament Anand participated in before this Gibraltar 2016 event?
ThreadText: # What was the last open tournament Anand participated in before this Gibraltar 2016 event?
  
  (Asked by: username_0 on 2016-01-26)
  
  When and what was the last open tournament that Vishy Anand participated in before this 2016 Gibraltar Open?
  
  **Tags:** tournament, famous-players, anand
  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2016-01-26. Score: 3 | Accepted answer
  
  The 1993 Biel Interzonal according to [The Hindu](http://www.thehindu.com/sport/other-sports/viswanathan-anand-back-in-open-tournament-after-23-years/article8154597.ece).
  
  > **Comments:**
  > **username_2**: I would have thought the Interzonals aren't "open", but apparently the definition of an "Open" is wider (and more fuzzy) than I thought.  
  > **username_1**: @username_2 I guess they mean a tournament where the Swiss system is used. You could also ask whether a tournament like the Qatar Masters Open is truly "open" when there is a minimum rating requirement of Elo 2300.  
  > **username_2**: Well, there is also the term "swiss open" which would be redundant. But intuitively you're right. Apparently how you get into the tournament doesn't play too much of a role in defining a tournament as an open or not.  
  
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