Answers.Body: <p>FM Andrey Terekhov's <a href="https://www.chessable.com/book.php?bid=18646" rel="nofollow noreferrer">Two Knights Defense repertoire on Chessable</a> uses this variation against 4.d3.</p>
  <p>That repertoire deserves to be more widely known: it's one of the best on Chessable, the author updates it frequently, and it's free!</p>
  <p>In the introductory text of 4.d3 h6 he notes:</p>
  <blockquote>
  <p>In the beginning, this line has been mostly used as a surprise weapon, but in the past two years it developed its own body of theory. GM Alexey Kuzmin published a couple of articles summarizing the latest developments in this line in &quot;ChessBase Magazine&quot; (in 2018) and in Russian &quot;64&quot; (2019) .</p>
  </blockquote>
  <p>So those are sources too.</p>
  <p>And according to <a href="https://www.chesspub.com/cgi-bin/chess/YaBB.pl?num=1568098530/12" rel="nofollow noreferrer">a ChessPub discussion</a>, there are also two analyzed games in this line in Alexander Ipatov: <em>Unconventional Approaches to Modern Chess Volume 1</em>; Thinkers Publishing 2019, although I don't see it in that book's list of contents.</p>
  
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Answers.Text: Exactly what I was looking for! If I understand correctly the games analysed in Ipatov's book discuss a setup with ...h6 and ...g6, not ...g5, which seems like a different idea.
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Answers.Text: That comment mentions 6...g5, and the games MVL - Mamedyarov 2018 and Fossan - Hammer 2018. But I don't have the book, can't check. I think ...g6 is the older idea and ...g5 is the new one that is being played only since a few years.
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Body: <p>Do any books or other resources discuss this variation for Black? Does it have a name?</p>
  <p>The general idea is to go 4...h6, then ...d6 and ...g5 in some order, depending on what White does.</p>
  <p>S. Mamedyarov plays this line a lot.</p>
  <p>Sample line:</p>
  <pre><code> [FEN &quot;&quot;]
      1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. O-O g5
  </code></pre>
  
Tags: <opening><italian-game><two-knights>
Title: Resources on Italian Game, Two Knights Defense with 4. d3 h6 and quick ...g5
ThreadText: # Resources on Italian Game, Two Knights Defense with 4. d3 h6 and quick ...g5
  
  (Asked by: username_0 on 2021-05-16)
  
  Do any books or other resources discuss this variation for Black? Does it have a name?
  The general idea is to go 4...h6, then ...d6 and ...g5 in some order, depending on what White does.
  S. Mamedyarov plays this line a lot.
  Sample line:
   [FEN ""]
      1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. O-O g5
  
  **Tags:** opening, italian-game, two-knights
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2021-05-17. Score: 6 | Accepted answer
  
  FM Andrey Terekhov's [Two Knights Defense repertoire on Chessable](https://www.chessable.com/book.php?bid=18646) uses this variation against 4.d3.
  
  That repertoire deserves to be more widely known: it's one of the best on Chessable, the author updates it frequently, and it's free!
  
  In the introductory text of 4.d3 h6 he notes:
  
  > In the beginning, this line has been mostly used as a surprise weapon, but in the past two years it developed its own body of theory. GM Alexey Kuzmin published a couple of articles summarizing the latest developments in this line in "ChessBase Magazine" (in 2018) and in Russian "64" (2019) .
  
  So those are sources too.
  
  And according to [a ChessPub discussion](https://www.chesspub.com/cgi-bin/chess/YaBB.pl?num=1568098530/12), there are also two analyzed games in this line in Alexander Ipatov: *Unconventional Approaches to Modern Chess Volume 1*; Thinkers Publishing 2019, although I don't see it in that book's list of contents.
  
  > **Comments:**
  > **username_0**: Exactly what I was looking for! If I understand correctly the games analysed in Ipatov's book discuss a setup with ...h6 and ...g6, not ...g5, which seems like a different idea.  
  > **username_1**: That comment mentions 6...g5, and the games MVL - Mamedyarov 2018 and Fossan - Hammer 2018. But I don't have the book, can't check. I think ...g6 is the older idea and ...g5 is the new one that is being played only since a few years.  
  
  ---
  
  