GameKnot related: Perhaps some of you have noticed...
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black_cat_hamlet
10-Oct-10, 23:42

Perhaps some of you have noticed...
Gameknot's message about the 'Dark Chess' variation that could be implemented on Gameknot...

I don't know whether it'll be put up or not, but if it does... I beg of you, Gameknot, not to restrict it to paying members, because it looks awesome!   I'd be happy even if I'm only allowed to get one 'dark chess' game at a time!
kingdawar
11-Oct-10, 06:51

Why the veiled Civilization V advert? I thought premium members were supposed to be immune from this
kingdawar
11-Oct-10, 06:58

By the way if this is going to be implemented, why not on ZooEscape instead of on GameKnot?
somar96
11-Oct-10, 09:21

I agree, I hope basic member will be allowed to play it, e.g. 1 tournament  
rookie879
11-Oct-10, 09:42

Hmmm,I think they should add suicide chess and bughouse while they're at it  
archduke_piccolo
11-Oct-10, 12:29

I'm prepared to forgive...
... GK's reference to "Civ V" as based on the supposition that subscribers are familiar with the thing. I am not, as it happens, but I do play "Civ III", which has the same feature.

I'll probably give it a go, but I doubt I'll be playing it very often, and may cease altogether after a few goes.

Speaking of 'dark', I am puzzled by something that has nothing at all to do with this thread. You will recall that "dark matter" was postulated as the "glue" that stops the universe flying apart. Now that it is known that the universe is indeed flying apart, why the continued acceptance of the "dark matter" postulate? Just curious... :/
Gameknot.com
11-Oct-10, 12:50

Many of GKers are kind of hooked on the new Civ right now, so we had this idea of using the "fog of war" effect with chess to give it an extra dimension. After a bit of research, turns out there is already a chess variant like that. Personally, I don't like the "Dark Chess" name, as it doesn't give the right first impression, so we might go with a different name altogether. We've been considering adding chess variants (like Chess960) for a while, and it seems the response is really good based on the poll, so we might finally do it.

x-machine and somar96, why so much worry about it being for premium members only? Just curious, how many people are holding a gun to your head preventing you from subscribing?   We are talking about $3.33 per month here after all. I realize it might be too much for some, but certainly not *impossible* for most, right? And you'll be pitching in your share that goes into the development of all new features on GameKnot... Sorry, I'll get off my soapbox now.  
tactical_abyss
11-Oct-10, 14:20

As a matter of fact...
I became a gold life member and I don't even use half of the features you guys do!
I do not get involved in tournaments,no ladders,no leagues,no teams,rarely any clubs,no puzzle solving and I play nowhere near 50 games that a gold member is allowed...more like 4 or 5 at a time max!And only some occassional blitz on a Fri or Sat night.And I have no interest at all in Civ,dark chess,chess 960 or anything else!
So why all the money for a life membership?This site is the best chess corresp site on Earth...clean and simple!And I belong to 7 other chess sites!I do not need all the bells and whistles or variants or 50 games,ect ect.Just some strong competition at my rating level,a little chat from time to time and a nice profile layout.
Supporting GK is important,if you guys want to continue to see more improvements in the years to come.Those who cannot afford to pay a few dollars should ask someone in the family to buy you a silver or gold membership as a Christmas gift!
Now the only thing I want for a GK Christmas is a 4 minute,zero increment blitz option!
You guys keep the Dark Chess!Ha,ha!
black_cat_hamlet
11-Oct-10, 21:22

Okay...
You've convinced me Gameknot  

This sounds a little silly, but I'd be nervous asking my mum for it, even if it is a small amount... partly because I shouldn't be spending so much time on here with important exams coming up (don't worry, I'm still studying! Chess is my 'brain break!'  ) and also partly because my mum says that I spend too much time on here sometimes!  
tactical_abyss
12-Oct-10, 01:53

One of the big reasons I do not use all the features here is exactly as you said..."spending too much time on here".And I would be spending way too much time if I used all the features like ladders,tourneys,other team play,960 and more.But atleast the features are(or will be) here to use if I ever change my mind in the future.But the reasons most of the features are on GK as well as future add-ons are directly linked to the monetary support of its members.
Keep in mind that one of the best features if/when you become a paying member isn't actually all the "non restrictive"usage but how much faster the loading speed of the GK pages are as well as the disappearance of ad banners,increased quality of your profile and more.You will notice the difference in quality immediately!
I'm glad for all the new features coming up,whether I use them or not,but support is always the best thing you can do.
As I told many in the past...."playing less is more!"Quality play,taking more time to look deeper into a smaller amt of games,will generally yield better results,thus higher ratings,over quantitative play.
While my option to play 50 games at one time exists(and some play over 100 games at one time),I would NEVER do this,its practically against my religion!But of course,those who do not care about personal ratings or considerable self improvement...well then,play 200 games at one time!
If played one game a year and had my profile blank,i'd still be a supporting gold member on GK!
somar96
12-Oct-10, 07:35

It's very similar to x-machine by me, I would probably be a subscriber if I was an adult, but I'm just 14. Another reason is that I got free lifetime diamond membership on [another website] for getting a FIDE Master title, and I spend most of time there thanks to that. Sorry gameknot!!!
qwkslvr
12-Oct-10, 10:58

Fischer Chess
Glad to hear GK is seriously considering Chess960. I've been waiting for long and long for that.
tugger
12-Oct-10, 12:21

I'd be interested in Chess960, but I would want to play 2 games against an opponent, not one, because some Chess960 starting positions will be much more advatageous for white compared to standard chess. Therefore, I would ask this is taken into account in challenge options (challenge as black and white) and automatic decline rules (automatically reject one-game challenges).
I might have a look at this "dark chess", I assume one can play an unrated game. GK, you guys should probably let people get used to it for a month or so and then ask what we think it should be called, it might help whip up some interest in it.
kingdawar
12-Oct-10, 13:14

I was wondering about "everything is the same in Dark Chess". I don't know. How about threefold repetition where you cannot see your opponent's pieces? Or the announcing of checks? Or pinned pieces/illegal moves? It can't be the same game with the same rules at all. I guess you have to capture the opponent's king to win the game - instead of announcing a checkmate, you have to play one more move to capture the King. And how to combine this with the normal chess section? Will it be in a correspondence setting or just a cool blitz-type of game?

The required foundation/ideas/graphics for the new variant could be used to enhance the current chessplaying boards, that would be great. Initially I voted against, simply because it would seem to me that GameKnot's main interface would have to shift too much - i.e. you get a games list of normal chess combined with Dark Chess? And is there a market at all for this to me unknown variant? But after some further thought now I'm not against the idea of adding Dark Chess and other variants per se. What about Correspondence Bughouse where the player and his opponent both have control over two boards? Correspondence Crazyhouse should be easy enough to implement afterwards (it's just one board instead of two). And Dark Chess... fog of war... it could work out just fine. It would make GameKnot more of a game portal than a correspondence chess site though. The Puzzles/Tactics/Games Database are not related to CC of course, but they are all related to "orthodox Chess".

OK too much senseless text. I'll stop for now  
sccadams
12-Oct-10, 20:19

My guess about variant rating, Tugger
Is that either there would be different rating for each variant, or all variant games will be unrated.

@ Heinzkat, good thoughts on the "Dark Chess". And you are absolutely (wikipedia.org) confirmed about capturing the King: "The goal of this chess variant is not to checkmate the king, but to capture it. A player isn't told if their king is in check. Failing to move out of check, or moving into check, are both legal, and can obviously result in a capture and loss of the game.

En passant capture is allowed, even if you do not see that it is possible. Unlike standard chess, castling is allowed even out of check, into check and through the positions attacked by opponent pieces."
black_cat_hamlet
13-Oct-10, 01:17

En passant...
It's strange why that's allowed - how does that work? If you can see enough to make the capture then that's fine, but if you can't see it, what can you do? guess?
baronderkilt
13-Oct-10, 03:41

x-machine ... Good point
It seems to me that any piece/pawn that became subject to capture Should be visible. Since one must have a pawn on the fifth rank in order to perform an ep capture ... that capturing pawn would already be lighting up two of the opponents third rank squares, including the one the passing pawn must cross. So I believe that the implementation should be to simply include the pawn that tries to pass as being lit up as well, since it is essentially under attack (subject to capture) by pawn it passes, for a period of 1/2 move.
Tho I suppose they could chose to keep the pawn dark if they wish to justify it by saying only SQuares under attack are lit. And I have not seen the Wiki. But the prior interpretation seems the most logical and practical to me. And the latter seems to me less strategic and more dependent on guesswork, as you suggest. So I hope the game is not completely lacking in strategic concepts.
rallyvincent
13-Oct-10, 08:02

What exactly is the use of "Dark Chess" when the moves are displayed next to the board/noted down on a piece of paper? Wouldn't you just set it up on a board and play normally?

As for chess variants, in my youth we played what we called "Tandem" (Google says "Bughouse" in English). Not suitable for long games, of course, but a nice Blitz feature  ). We used to play that quite a lot...
rookie879
13-Oct-10, 08:28

same here rallyvincent. I haven't played OTB in a while and i miss playing "tandem" or "bughouse"
kingdawar
13-Oct-10, 08:59

Tandem/bughouse
I think it should be possible on Correspondence time controls. It's slightly different than the real-time version indeed, but revolutionary at the same time.  

In the meantime I am thinking Dark Chess castling rules should allow one to castle through check. Which means it's far from the same game with the same rules. And of course there is no moves list kept - only a hidden one on the server to decide what pieces are shown. And I am guessing there is no room for a real "analysis board" either...  
somar96
13-Oct-10, 12:17

Censorship
Funny, no answer to my post, yet it got censored! If someone mentions gameknot on that "[another site]", it isn't moderated  
archduke_piccolo
13-Oct-10, 12:57

Interesting debate.
Quite a lot of discussion in re how some of the standard chess riules will work. but the concept is not without precedent: recall Chess Kriegspiel (CK), in which the 'oter side of the hill' is truly dark.

Ther will be some differences though. In CK you can use the opposing pieces to try and cnstruct the enemy positon (and you can get it fairly accurately for a while). But of course CK is moderated by a third person. You may ask one question: 'Are there any pawn captures?' The answers to this are either 'No' or 'Try'. If you receive the latter reply,
you must try one (but there's nothing to force you to try a likely one!). Mind you, in 'Civilization' you can see what lies close by, so awn captures might not be such a problem.

I do believe that if your king is in check, that too is anounced, though you are not told whence comes the check.

In Chess960, I daresay these notions might be tried. For instance, you might try pawn captures, bearing in mind that if cetain pawn captures are undesirable to you you avoid those. But this process might prove too vexing for some. If there were a button you could press to enquire of pawn captures, then it could respond as does the CK umpire.

If you are in check, then there has to be some indication of this. One method is to have a masked score of the game (to be revealed at its close), but with the current 'check' revealed.

Gameknot.com
13-Oct-10, 13:10

@somar96, yes, sure! Any positive mention of GameKnot gets deleted completely, but any negative comments get cheer and encouraging replies from owner/admins. That's so much better than using "another website" instead of a specific name, which doesn't change the meaning of your post in any way. But thank you for your compliment though — you have a free unlimited premium subscription on another website, but still visit GameKnot.  

Now back on topic. After carefully reading the wikipedia article on Dark Chess, it does not appear to be anything like what we have in mind. What they are describing changes too much as far as the chess rules, and we would like to avoid that as much as possible. Another good reason to call it something else then. Shadow Chess? Cloudy Chess? Gray Chess? Fuzzy Chess?   This chess variant will have all the same rules as the classic chess, with the checkmate, no castling through an attacked square, no moving King into check, etc. etc.. Threefold repetition will still be in too, but won't be very practical — unless you keep trying to claim it after every move just in case.  

Of course the move list will only show the moves for your opponent for which you can see both the starting and the ending square. All other moves will be hidden. And "analyze the board" page will have to be modified of course. And no Game DB link too.

kingdawar
13-Oct-10, 13:34

Smog Chess. I'd like to see a small preview of the chess board with the kind of "fog" animation you have in mind. Should look pretty neat, no?

About the legality issues: that should change the game completely, as I had thought in the previous few days. If I want to castle Queenside as white, and the application disallows me to do that, that gives information of the opposition's camp. They are attacking c1/d1 with an invisible piece (or my king is in check even). I really think castling should be allowed in such a case, even if you see those pieces attacking your squares (or King at the end). Other rules, en passant is logical - you don't see pawn, then suddenly there is one. You can take it e.p. because it has moved two squares. Other "strange" rules? Promotion, just like it is in normal chess. The only points of change are moving into/through check (like in castling) and the announcing of a check. I don't think a "check" should be given by the application - adds to the sneaky part of the fog. Also, if I want to move a pinned piece (with a King behind it), then allow me to do it. The opponent will capture my king next move, that's how the game is played. Right? If he gives check, and I do nothing about it, he'll capture my king next move. Good game.
kingdawar
13-Oct-10, 13:40

Oh, and about showing the last move if it is visible to you: what if a knight from e7 moves to g6? On e7 it was hidden, on g6 it is "seen" by a Bishop on d3. The black pawn on h7 disappears in fog again, and for the white side, the knight is shown on g6. So far so good. But does the application show me that the knight came from e7? It shouldn't, maybe it came from h8, f8, e5. Again this would give away information that should be hidden, right?
archduke_piccolo
13-Oct-10, 22:07

May I suggest an alternative...?
"Looking Glass Chess" or "Alice Chess".

A bit of a favorite of mine way back when (nigh 40 years ago, come to think of it!).
somar96
14-Oct-10, 00:04

I think that after every move, the position should be counted as a "new" one, it means everything that was seen on the last move and is seen now disappears (the h7 pawn). And I think the starting square shouldn't be shown either, because in some cases it would drastically reduce the possibilities of other pieces placement, which would give an unintended advantage.

@gameknot_com, I have seen many positive comments not getting deleted, not only about gameknot, about other sites too   Thanks for the answers!
georgesdimitrov
14-Oct-10, 15:21

I remember playing this kind of chess with friends OTB with a moderator. We had three boards
: one in the middle that the game master saw with all the pieces and then the two players
sitting back to this on each side with their own board where you had only pieces of your color.
You would try moves and ask if they were legal (if they were you had to move the piece
there).

I think the strategic aspect of trying to guess unknown information (such as not being able to
castle for example) was very interesting and actually is what made the variant intellectually
challenging rather than simply blind hit and miss fun. And when a piece of yours get captured,
the feeling of seeing it simply vanish without knowing what is now in its place is really thrilling.
I know that what gameknot proposes is not exactly the same thing, meaning that you would
actually see some pieces of your opponent if you can capture them - but you would still see
your pieces vanish, though, if they were taken while undefended.

I agree with somar96 and Heinzkat in that we shouldn't see the starting square of a piece :
each position should be new. Following the example above, you should see a knight appear on
g6 a pawn disappear on h7 and that's it.
black_cat_hamlet
15-Oct-10, 00:56

Alice Chess?
I like that name!  

And let's see if Gameknot stays true to their word... Gameknot should be king of all chess websites, because its awesome pile of epic awesomeness far exceeds that of Jupiter - and Jupiter's an awesome planet  

Oh, by the way... if we wanted to review the game afterwards, we would be able to see the whole moveset from both players, right?  
rallyvincent
15-Oct-10, 04:11

My thoughts exactly that either starting or finish square should not be shown; it'd be too easy to keep track. I think I'd prefer not showing the square on which the move ends (I think it'll make not only the opening a bit more interesting, but also moves late in the game whn you see a piece moving to one of several hidden squares).
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