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Olga Viewer
Member since Sep-02-17
no bio Full Member

   Olga Viewer has kibitzed 47 times to chessgames   [more...]
   Jun-15-21 chessforum (replies)
Olga Viewer: Congrats to the CG team for getting over to the new aerver! I had hoped that meant the site had also been moved from perl but I understand how much work that will be. If you do manage to get it migrated, it will be much easier to find developers to work on it. Still hopeful for ...
   Jan-07-21 stevemcd87 chessforum (replies)
Olga Viewer: <MissScarlett: Things back working as normal. I noticed that in this game A Humphrey vs Fischer, 1955, the original move <31.R4g3> wasn't showing, so corrected it to <Rgg3>. Will the new Olga handle both?> The new engine, Kokopu, handles both <31.R4g3> ...
   Dec-19-20 Olga Viewer chessforum (replies)
Olga Viewer: <Z> Absolutely! If I wasn't crazy busy yesterday I would have checked Olga to verify it worked or not. I just wanted to confirm I've made sure this got added (as I missed it) to the new build :)
   Dec-06-20 Playing Zone chessforum (replies)
Olga Viewer: < Stonhenge: I don't think so :) > It should be! ;)
   Nov-04-20 Kibitzer's Café (replies)
Olga Viewer: Hate the look of Olga 2's temporary header? Great news! Tonight I will be working on implementing the true header design and tabled game score! :) 2 of the most requested features. Getting ready for Release Candidate 1! Please check out the stream or VOD and provide feedback on ...
(replies) indicates a reply to the comment.

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 12 OF 12 ·  Later Kibitzing>
Premium Chessgames Member
  Olga Viewer: Absolutely. The biggest issue is all the new features, all time. "Tabled" score format coming today, I'm very excited to show everyone!
Premium Chessgames Member
  Stonehenge: White moved twice here to start the game.

(1. e4 ... 2. d4 e6 etc.)

A Ehrmann vs Morphy, 1859

Dec-03-20  Z4all: RE: <Two Move>, <Pawn and Two Moves>, games, etc...

Can we please "get modern" and store these games as they were intended to be played, i.e. with a <null move (-)>.

That way we avoid FEN hacking, and allow the movelists to match the source.

SCID, Fritz, Chessbase(? - pretty sure thou), all allow it.

<CG> should allow "-", and Olga should too.

Premium Chessgames Member
  Olga Viewer: <Z> Olga 2 supports null moves :) Also, this odd game with white moving twice is supported as well. (IMO) The site should invest its time into making Olga 2 a first-class PGN Viewer.

A lot of work needs to be done on the server-side to realize something as good as "Fritz".

🤔 Also, it is not fair to compare a commercial system with multiple developers and real money to the hobby project that Olga + CG is.

Dec-03-20  Z4all: <OV> any chance of you (or someone else) trying to upload a game on <CG> which has null moves?

Aside- pgn4web also supports null moves, fwiw.

Correction- I should have denoted the null move with the double dash <--> instead of a single dash in my previous post.

* * * * *

<A lot of work needs to be done on the server-side to realize something as good as "Fritz".>

I think I agree, though exactly what is "good" is always subject to debate.

I've always thought <CG> could be "better" than "good", but only after it's as "good" as "good". Ah, there's the rub.

* * * * *

<Also, it is not fair to compare a commercial system with multiple developers and real money to the hobby project that Olga + CG is.>

Sure, but some projects, like Linux, seem to match up pretty well against the commercial systems.

I could say more, but let me finish off with the top link on google for <Olga2>:


Dec-18-20  Z4all: Hi <Olga>,

Can I please make a request?

On the movelist below the display board, could you append the game result?

I'll just assume Olga 2 already does this, but could we retrofit Olga 1 to do the same?

Thanks for your consideration, and regards,


Premium Chessgames Member
  Olga Viewer: I could easily add it to the flow score on the current codebase. I'm not sure if Olga will receive the fix but it's a possibility.
Dec-19-20  Z4all: Thanks for the consideration <Olga Viewer>, but I think I was mistaken - it's <pgn4web> that's not showing the result. I think <Olga> v1 already does.

Sorry for the mixup.

Premium Chessgames Member
  Olga Viewer: <Z> Absolutely! If I wasn't crazy busy yesterday I would have checked Olga to verify it worked or not. I just wanted to confirm I've made sure this got added (as I missed it) to the new build :)
Jan-01-21  mmmjv: Why is there a forum for the olga viewer which I have no trouble getting but not one for the chess viewer deluxe which I can not get? I tried the FAQ section here and it sends me to a page that tells me I can't use their java on my Chrome browser because

We have detected you are using Google Chrome and might be unable to use the Java plugin from this browser. Starting with Version 42 (released April 2015), Chrome has disabled the standard way in which browsers support plugins.

And I can't use it on my Firefox because

We have detected you are using the 64-bit version of Firefox which will not run the Java plugin from this browser.

The Firefox I just downloaded about 20 minutes ago just for this reason.

Didn't Java used to be something that was just there? I have used it before on this site in the past. I've had no problem getting the chess viewer deluxe board but now I can't.

Jan-01-21  Z4all: <mmmjv> See chessforum (kibitz #34849) chessforum (kibitz #34852)

Premium Chessgames Member
  g15713: When doing analysis, how does one tell Olga to underpromote?
Jul-01-21  Boomie: <Olga Viewer>

About 2 years ago, I pointed out that Olga could not handle under promotion. Periodically I have reminded you about this obvious oversight. Not only has there not been any change made, my comments have not even warranted a response.

Why doesn't CG just buy a Deluxe capable board? Why are you trying to reinvent the wheel?

Jul-02-21  Paint My Dragon: <Olga Viewer>

I think Boomie makes a good point. Olga development seems to floundering badly.

The problem that I mentioned above about the sizing slider disabling the navigation buttons resulted in you removing the slider, which was presumably the easiest fix. But now the board is larger than my screen even on the small setting, with no means of downsizing it.

Jul-02-21  Z truth 000000001: One problem with <Olga (2)> is that she's been orphaned, as it seems <CG> has decided to move on to a new viewer - Aria.

User: Olga Man

The developer seems to have soured on working on Olga (2): chessforum (kibitz #35121) (see, also, CIO's reply just after)

Unfortunately I forget the developer's name, which would be useful for looking up posts concerning development.

(Actually, it would be nice if the development efforts were better documented on this page - the new name just confuses things:

is really for Aria, not Olga 2 ("new name coming" in profile above is out of date).)

What viewer does Aria, in the preference dropdown list, actually use? Not the beta viewer from protozefoss.

Who, if anyone, is responsible for maintaining/fixing Olga 2?

* * * * *

For the record, Chris was the original Olga developer: chessforum (kibitz #32291)

Christopher Dean, to be exact: Olga Chess Viewer Quickstart (cf. Credits)

Maybe he's the one doing Aria?

Jul-02-21  Paint My Dragon: Christopher Dean? No wonder are skating on thin ice these days ...

Premium Chessgames Member
  Messiah: from the user forum:

Messiah: <Chessical: For some reason the Olga viewer stops after 17.Rd8 and ignores the remaining moves.

Prins vs J H Donner, 1951

I have imported the score into another reader and it reads correctly.>

The problem is that the PGN shows <17.Rxd8+ Rd8>, but it should be <17.Rxd8+ Rxd8>. I am reporting it.

Premium Chessgames Member
  Messiah: Oh, just spotted <Olga chokes on PGN that does not include "x" for captures, e.g. ed5 instead of exd5.>
Jun-26-22  Dionysius1: Anyone got an explanation, or even better a cure for most of the pieces being replaced by thumbnails of people (mostl women I think) in suits, and no engine or settings buttons?

This happened about 5 days ago and has been consistent except that which pieces are affected seems to change. Thanks

Jun-26-22  Z free or die: <Dionysius1> I've tried to replicate that, as it would be a hilarious hack to see, but failed.

Though of course I'm sure, as a hack, it gets old fast.

Have you saved a screenshot of it?


Jun-26-22  Dionysius1: Just now the thumbnails are empty, and the settings and engine buttons are back.

16 pieces are replaced with the empty thumbnails though, so still a long way off normal or useful.

Have just taken a snip of it. If it comes back with the thumbnails of people in suits, I'll be sure to snip that too :-)

Jun-27-22  Z free or die: <<D1> If it comes back with the thumbnails of people in suits, I'll be sure to snip that too :-)>

Ha, please do!

Jun-30-22  Dionysius1: That's great - it's running properly this morning. Sorry <Z free or die>, No snip of people in suits this time!
Premium Chessgames Member
  catlover: Starting last week, the analysis window no longer works in Olga. When I make a move different than the game line, it simply returns the piece to the square from which I moved it.

I tried changing it to Aria, and there was no analysis window in that either. Any help would be appreciated.

Mar-06-23  Chesschronicle22: Must (probably) be something with your account or your phone(maybe your laptop, or Ipad or tablet or anything) cause mine still works like a charm.
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