Body: <p><strong>EDIT 1, 20/04/2020</strong></p>
  
  <p>In my question, I focused on the game Vachier-Lagrave vs Carlsen, Sinquefield Cup 7th, Saint Louis, 28/08/2019. It has annotations <em>in english</em> in my ChessBase database, and it has not annotations anymore at any further step of the conversion. Fine.</p>
  
  <p>I took a look at another game : Morozevich vs Carlsen, Biel, 31/7/2006. This one has also annotations in <em>english</em> in my ChessBase database. And at the end of the conversion, when I open the sg4+si4+sn4 in Scid on the go, I see annotations <em>in english</em> but <em>in german</em> (!) as well :</p>
  
  <p><a href="https://i.sstatic.net/yEjAz.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/yEjAz.png" alt="enter image description here"></a></p>
  
  <p>and the same happens if I open them in Scid vs. Pc :</p>
  
  <p><a href="https://i.sstatic.net/u5GKB.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/u5GKB.png" alt="enter image description here"></a></p>
  
  <p>We can see that in both Scid on the go and Sci vs. Pc, comments in english and german both appear, distinguished by <code>&lt;en&gt;</code> and <code>&lt;de&gt;</code>, whereas in the screnshot from ChessBase, only english comments appear.</p>
  
  <p>So there are game whose annotations are exported, and there are games whose annotations aren't. The only difference that I see between this two games is that one has only english annotations whereas the second has annotations in both english and german. What is strange is that it is the game with annotations in one language only that loses the annotations after the database conversion. (Would the converse happen, namely, that a game with annotations in two different languages loses these annotations after the database conversion, I would have somehow understood : maybe the parsing of the annotations, in some of the conversion steps, is wrecked by the presence of the languages and bugs, like in some weird serialization bugs etc.)</p>
  
  <p>At the <em>Scidb</em> step, on can see the Vachier-Carlsen game :</p>
  
  <p><a href="https://i.sstatic.net/1SCHc.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/1SCHc.png" alt="enter image description here"></a></p>
  
  <p>that has no annotations, and the Morozevich-Carlsen game :</p>
  
  <p><a href="https://i.sstatic.net/kzCBD.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/kzCBD.jpg" alt="enter image description here"></a></p>
  
  <p>that has here only english annotations.</p>
  
  <p>This is really weird.</p>
  
  <hr>
  
  <p>My setup is the following :</p>
  
  <ul>
  <li>I have windows 10 + ChessBase + ChessBase official bases that always contains games that are commented</li>
  <li>I have a android phone on which I used scid on the go to consult games in various of my database</li>
  </ul>
  
  <p>ChessBase databases have many format, but let's stick to one, cbv for instance. Database for scid on the go use the sg4+si4+sn4 format. For the conversion</p>
  
  <ul>
  <li>I backup a ChessBase database without encryption in a cbv format</li>
  <li>using this <a href="https://github.com/antoyo/uncbv" rel="nofollow noreferrer">uncbv utiliy</a> written by <a href="https://chess.stackexchange.com/users/7056/antoyo">antoyo</a> I do a <code>uncbv extract mydatabase.cbv</code> to get a bunch of databases files</li>
  <li>using <a href="https://sourceforge.net/projects/scidb/" rel="nofollow noreferrer">scidb</a> that I compiled (under latest update of latest version of 64bits Ubuntu) from latest <a href="https://sourceforge.net/p/scidb/code/HEAD/tree/" rel="nofollow noreferrer">source code</a>, I open the database from the files that I got in the previous step (more precisely, from the .cbh file)</li>
  <li>I convert it in the "Scid" format within Scidb, by right-clicking on the datable and choosing export <a href="https://i.sstatic.net/zaSas.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/zaSas.png" alt="enter image description here"></a></li>
  </ul>
  
  <p>The database I started from contains comments (variation+annotations) where as the one used in Scidb contains only variations but no comments :</p>
  
  <p><a href="https://i.sstatic.net/J5JRY.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/J5JRY.jpg" alt="enter image description here"></a></p>
  
  <p>(Ubuntu+Scidb on the left, Windows+ChessBase on the right).</p>
  
  <p>If you open in ChessBack the cbv backup, its games obvioulsy contain annotations. So that :</p>
  
  <ul>
  <li>either the files produced by <code>uncbv</code> are stripped the games from the database from their annotations</li>
  <li>or their aren't but Scidb doesn't handle annotations</li>
  </ul>
  
  <p>Does someone have an idea ?</p>
  
  <p>After a quick inspection, I don't see any annotation discarding <code>uncbv</code> <a href="https://github.com/antoyo/uncbv/blob/master/src/cbv.rs" rel="nofollow noreferrer">source code</a>. Plus, among the files that <code>uncbv</code> produces, the .cbh can be opened by ChessBase, and it yields a database where the games that were annotated are still annotated.</p>
  
  <p>Hence I conclude that Scidb does not handle annotations. More precisely : if in Scidb you open the .cbh file among :</p>
  
  <p><a href="https://i.sstatic.net/T0ffR.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/T0ffR.png" alt="enter image description here"></a></p>
  
  <p>then games that should have their annotations won't have them. Does someone know how to handle this ?</p>
  
  <p>What is strange is that in Scidb in the database, I see an "Annotators" tab :</p>
  
  <p><a href="https://i.sstatic.net/Nwn9z.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/Nwn9z.png" alt="enter image description here"></a></p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-04-19T18:02:22.957Z
Comments.Text: I'm not really sure these new tags are appropriate. Do you really expect more than a few questions about these programs?
Comments.UserDisplayName: Glorfindel
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-04-19T18:07:10.433Z
Comments.Text: I would say yes, as 1) there are the only way for the type of conversion I am explaining (not my idea though) and 2) both scidb and uncbv have already been mentionned here and there on the site.
Comments.UserDisplayName: Olórin
Tags: <chessbase><scidb><uncbv>
Title: Comments from (commented !) games lost in "ChessBase to Scid on the go" conversion process
ThreadText: # Comments from (commented !) games lost in "ChessBase to Scid on the go" conversion process
  
  (Asked by: username_0 on 2020-04-19)
  
  **EDIT 1, 20/04/2020**
  
  In my question, I focused on the game Vachier-Lagrave vs Carlsen, Sinquefield Cup 7th, Saint Louis, 28/08/2019. It has annotations *in english* in my ChessBase database, and it has not annotations anymore at any further step of the conversion. Fine.
  
  I took a look at another game : Morozevich vs Carlsen, Biel, 31/7/2006. This one has also annotations in *english* in my ChessBase database. And at the end of the conversion, when I open the sg4+si4+sn4 in Scid on the go, I see annotations *in english* but *in german* (!) as well :
  
  [![enter image description here](https://i.sstatic.net/yEjAz.png)](https://i.sstatic.net/yEjAz.png)
  
  and the same happens if I open them in Scid vs. Pc :
  
  [![enter image description here](https://i.sstatic.net/u5GKB.png)](https://i.sstatic.net/u5GKB.png)
  
  We can see that in both Scid on the go and Sci vs. Pc, comments in english and german both appear, distinguished by  and , whereas in the screnshot from ChessBase, only english comments appear.
  
  So there are game whose annotations are exported, and there are games whose annotations aren't. The only difference that I see between this two games is that one has only english annotations whereas the second has annotations in both english and german. What is strange is that it is the game with annotations in one language only that loses the annotations after the database conversion. (Would the converse happen, namely, that a game with annotations in two different languages loses these annotations after the database conversion, I would have somehow understood : maybe the parsing of the annotations, in some of the conversion steps, is wrecked by the presence of the languages and bugs, like in some weird serialization bugs etc.)
  
  At the *Scidb* step, on can see the Vachier-Carlsen game :
  
  [![enter image description here](https://i.sstatic.net/1SCHc.png)](https://i.sstatic.net/1SCHc.png)
  
  that has no annotations, and the Morozevich-Carlsen game :
  
  [![enter image description here](https://i.sstatic.net/kzCBD.jpg)](https://i.sstatic.net/kzCBD.jpg)
  
  that has here only english annotations.
  
  This is really weird.
  
  ---
  
  My setup is the following :
  
  * I have windows 10 + ChessBase + ChessBase official bases that always contains games that are commented
  * I have a android phone on which I used scid on the go to consult games in various of my database
  
  ChessBase databases have many format, but let's stick to one, cbv for instance. Database for scid on the go use the sg4+si4+sn4 format. For the conversion
  
  * I backup a ChessBase database without encryption in a cbv format
  * using this [uncbv utiliy](https://github.com/antoyo/uncbv) written by [antoyo](https://chess.stackexchange.com/users/7056/antoyo) I do a `uncbv extract mydatabase.cbv` to get a bunch of databases files
  * using [scidb](https://sourceforge.net/projects/scidb/) that I compiled (under latest update of latest version of 64bits Ubuntu) from latest [source code](https://sourceforge.net/p/scidb/code/HEAD/tree/), I open the database from the files that I got in the previous step (more precisely, from the .cbh file)
  * I convert it in the "Scid" format within Scidb, by right-clicking on the datable and choosing export [![enter image description here](https://i.sstatic.net/zaSas.png)](https://i.sstatic.net/zaSas.png)
  
  The database I started from contains comments (variation+annotations) where as the one used in Scidb contains only variations but no comments :
  
  [![enter image description here](https://i.sstatic.net/J5JRY.jpg)](https://i.sstatic.net/J5JRY.jpg)
  
  (Ubuntu+Scidb on the left, Windows+ChessBase on the right).
  
  If you open in ChessBack the cbv backup, its games obvioulsy contain annotations. So that :
  
  * either the files produced by `uncbv` are stripped the games from the database from their annotations
  * or their aren't but Scidb doesn't handle annotations
  
  Does someone have an idea ?
  
  After a quick inspection, I don't see any annotation discarding `uncbv` [source code](https://github.com/antoyo/uncbv/blob/master/src/cbv.rs). Plus, among the files that `uncbv` produces, the .cbh can be opened by ChessBase, and it yields a database where the games that were annotated are still annotated.
  
  Hence I conclude that Scidb does not handle annotations. More precisely : if in Scidb you open the .cbh file among :
  
  [![enter image description here](https://i.sstatic.net/T0ffR.png)](https://i.sstatic.net/T0ffR.png)
  
  then games that should have their annotations won't have them. Does someone know how to handle this ?
  
  What is strange is that in Scidb in the database, I see an "Annotators" tab :
  
  [![enter image description here](https://i.sstatic.net/Nwn9z.png)](https://i.sstatic.net/Nwn9z.png)
  
  **Tags:** chessbase, scidb, uncbv
  
  > **Comments:**
  > **username_1**: I'm not really sure these new tags are appropriate. Do you really expect more than a few questions about these programs?  
  > **username_0**: I would say yes, as 1) there are the only way for the type of conversion I am explaining (not my idea though) and 2) both scidb and uncbv have already been mentionned here and there on the site.  
  
  ---
  
  ## 0 answers
  
  