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Pandemonium (Surajang修羅場). Capablanca chess + Crazyhouse.[All Comments] [Add Comment or Rating]
Jean-Louis Cazaux wrote on Thu, Feb 4, 2021 06:49 AM UTC:

Interesting cross over between decimal chess, shogi, janggi, xiangqi.

On the critical side, I find the rules of castling confusing: sometimes referring to the Jade, sometimes to the King. I guess they are applicable to both but a strict reading permits to doubt. So why two different names, apart from the exotic touch?

Also what the point to define an Apricot and a Whole if they are exactly identical to a Queen, or I missed something? I like the idea of promoting non-Pawn pieces, but not sure that promoting a BN and a RN to a Queen is so nice as these pieces will loose their knight-part.

Anyway, interesting game


💡📝Daphne Snowmoon wrote on Thu, Feb 4, 2021 09:55 AM UTC in reply to Kevin Pacey from 03:58 AM:

Kevin // Thank you so much for the comments!! 8ㅅ8


💡📝Daphne Snowmoon wrote on Thu, Feb 4, 2021 10:02 AM UTC in reply to Jean-Louis Cazaux from 06:49 AM:

Jean-Louis // Thank you!

  1. The two King pieces are separated into Jade and King. I followed it. Therefore, it was necessary to explain Castling differently.

  2. And, in Chess without Drop, BN (Cardinal) and RN (Marshal) are less valuable than Queen. So it reflected being promoted to Queen. Anyway, promotion is optional. There is no reason to promote BN or RN to Queen unless you want to. And in Shogi, all minor pieces are promoted to Gold. With this in mind, BN and RN were also promoted to Queen(a piece of the same status as Gold in Shogi).

  3. Now castling is also possible with a moved or dropped Rook. Likewise, you can castling with a moved King. Of course, the King and Rook needed for Castling should be at the starting point. A dropped or moved pawn can move more than 2 squares, but I think it's strange that casting is impossible if the Rook and KIng are dropped or moved. So in Pandemonium, castling was modified to be possible multiple times. What do you all think about this?

(Because my English is not good, I rely heavily on Translate google. Therefore, there will be a lot of awkward parts in the sentence and there will be parts that you don't understand. If you have such a part, please tell me!)


Jean-Louis Cazaux wrote on Thu, Feb 4, 2021 06:02 PM UTC in reply to Daphne Snowmoon from 10:02 AM:

Daphne, I don't know if you prefer communicate (in PM?) with another language, I speak Fr, Sp, It. What I mean is that your rules of castling seems to apply equally for King and Jade. If yes, then you could simply write King/Jade because as it is written, it is confusing.

My English is not very good either, but "to be castle" is not correct.

The rules of castling in chess are complex but they are less complex if one understands the history. Castling should be the 1st move of the King and the concerned Rook. It is a kind of dogma. Now, we are talking "variants" so you can decide what you want. Personally I like the idea that the player forfeits his right of castle if he moves the piece. But it's up to you.

Why do you need to have another names like Apricot and Whole (why these strange names?) for something which is exactly the Queen. Why not simply saying "Queen"?


💡📝Daphne Snowmoon wrote on Thu, Feb 4, 2021 07:52 PM UTC in reply to Jean-Louis Cazaux from 06:02 PM:

Jean //

I'll fix the grammatical errors later!

In Pandemonium, dropped or moved pawns can also move more than 2 spaces. If the pawn can move more than 2 spaces even though it has been moved, then also King and Rook think it should be possible to castling even if it has moved as well.

The reason why Marshal's promotion name and Cardinal's promotion name were not set to Queen is that it can be confused with the original Queen.


💡📝Daphne Snowmoon wrote on Thu, Feb 18, 2021 12:23 AM UTC in reply to Daphne Snowmoon from Mon Feb 8 12:02 PM:

[Changed points]

  1. Castling is only possible once. And if Rook moves or is captured, casting is impossible in that direction, and if King moves, casting is impossible at all.

  2. Now the two Kings can face each other. That is, it is okay if King and King are in the same file or rank, and there is no piece between them.

  3. If a player can no longer move or drop a piece, the game is a draw.


💡📝Daphne Snowmoon wrote on Thu, Feb 18, 2021 03:18 PM UTC in reply to Daphne Snowmoon from 12:23 AM:

You can play Pandemonium on vchess!

https://vchess.club/#/variants/Pandemonium


💡📝Daphne Snowmoon wrote on Wed, Mar 17, 2021 11:53 AM UTC:

I have corrected the wrong description!

[Rook, Bishop, and Knight have additional King's move when promoted. Marshal and Cardinal become the same as Queen when promoted. King and Queen are pieces that are not promoted.]

->

[Rook, Bishop, and Knight have additional King's move when promoted. Pawn, Marshal and Cardinal become the same as Queen when promoted. King and Queen are pieces that are not promoted.]


💡📝Daphne Snowmoon wrote on Wed, Mar 24, 2021 06:57 PM UTC:

Upload of /home/chessvariants/public_html/membergraphics/MSpandemonium/ 현재001.png was allowed but failed! The cause of failure is unknown.

I can't upload images to the page. What is the reason?


Greg Strong wrote on Wed, Mar 24, 2021 08:18 PM UTC in reply to Daphne Snowmoon from 06:57 PM:

Based on the error, it looks like the name of the file begins with a space, which is probably not allowed. I would try renaming the file.


🕸Fergus Duniho wrote on Wed, Mar 24, 2021 10:18 PM UTC in reply to Daphne Snowmoon from 06:57 PM:

I can't upload images to the page. What is the reason?

For some reason, the group write bit for the directory was off. This matters, because I recently changed the owner of everything to chessvariants, but php runs as apache. I checked the script, and it does "chmod 0775" on a new directory. So, I don't know how it happened. I tested one of my own directories with the same problem. After turning the group write bit on, I was able to upload files to it. I also tested a file with the same name as the one you tried to upload. It uploaded as 001.png, because the Korean characters were ignored. So, you should avoid using Korean letters in file names.


💡📝Daphne Snowmoon wrote on Thu, Mar 25, 2021 11:01 AM UTC:

Greg, Fergus // Really thank you !


💡📝Daphne Snowmoon wrote on Fri, Mar 26, 2021 03:15 PM UTC:

Rule changed !

May promote only on the 10th rank

->

May promote not only the 10th rank but also the 9th rank


Greg Strong wrote on Fri, Mar 26, 2021 03:39 PM UTC in reply to Daphne Snowmoon from 03:15 PM:

CAN promote on 9th or MUST promote on 9th?


💡📝Daphne Snowmoon wrote on Sat, Mar 27, 2021 09:00 AM UTC in reply to Greg Strong from Fri Mar 26 03:39 PM:

ah 'can promote' -> 'may promote'

Only Pawns must be promoted on the 10th rank. All pieces except pawns can choose whether to promote on the 9th or 10th rank.


💡📝Daphne Snowmoon wrote on Fri, Jul 23, 2021 03:15 PM UTC:

Most of the rules have been fixed !


💡📝Daphne Snowmoon wrote on Fri, Jul 23, 2021 04:12 PM UTC in reply to Daphne Snowmoon from 04:10 PM:

Is there any way I can attach this simulator to this page?

8ㅅ8...


🕸Fergus Duniho wrote on Sat, Jul 24, 2021 01:44 AM UTC in reply to Daphne Snowmoon from Fri Jul 23 04:12 PM:

I added its code to the end of your Setup section. You can decide how you want to incorporate it into your page.


💡📝Daphne Snowmoon wrote on Sat, Jul 24, 2021 06:20 AM UTC in reply to Fergus Duniho from 01:44 AM:

Thank you !!

But can't some rules be implemented in an interactive diagram?


H. G. Muller wrote on Sat, Jul 24, 2021 10:35 AM UTC in reply to Daphne Snowmoon from 06:20 AM:

I have no idea what you are asking. What rules?


Michael Nelson wrote on Sat, Jul 24, 2021 03:55 PM UTC:Excellent ★★★★★

A very well thought and pleasing out blend of a Capablanca's Chess and Shogi. I am curious about the rule against having identical promoted pieces other than promoted Pawns. I consider it a small wart on a otherwise perfect design.


💡📝Daphne Snowmoon wrote on Sun, Jul 25, 2021 11:55 AM UTC in reply to H. G. Muller from Sat Jul 24 10:35 AM:

H.G. //

Rule to advance 2 squares when moving to 2nd rank after a Pawn is dropped in 1st rank

Rule with restrictions on promotion (e.g., among the promoted pieces, only one piece with the same movement can exist on the board)

etc ?


💡📝Daphne Snowmoon wrote on Sun, Jul 25, 2021 12:05 PM UTC in reply to Michael Nelson from Sat Jul 24 03:55 PM:

Nelson // Thank you very much !!

(´ ˘ `)

Pawns, unlike other pieces, can be promoted over and over again. The reason is to strengthen the Pawn's advance.

Pawns can be dropped at 1st rank, so they can defend more actively. (For example, like Shogi's Anaguma, you can move the King into a corner and surround it with Pawns.)

However, the Pawn's attack power is relatively weak. Compared to other promoted pieces, Pawn has a lot of limited movement, and I thought it needed appropriate compensation. That's unlimited promotions.

As the saying goes, 'Pawns are the soul of chess', I felt that Pawns needed a unique feature.


H. G. Muller wrote on Sun, Jul 25, 2021 12:42 PM UTC in reply to Daphne Snowmoon from 11:55 AM:

The rule that a Pawn dropped on 2nd rank regains his double push makes it a case of location-dependent moving, rather than an initial move. Position-dependent moving is not directly supported by the Interactive Diagram, but if can be emulated through automatic promotion: define multiple piece types for the piece with the variable move (all using the same symbol), and automatically 'promote' any of these types to the type that has the move belonging to the square they land on. This can be done by a user-supplied JavaScript function WeirdPromotion(). I did that in the Diagram I recently made for The Consuls.

In this case you would need two Pawn types, where only type 2 has the double push (and only type 1 promotes according to the normal mechanism on reaching the zone). Type 2 would always change into type 1 when it moves; both types would change into type 1 or 2 when they are dropped, depending on where they are dropped.

To make the promotion choice dependent on other pieces present on the board is problematic. The function WeirdPromotion() can also be used to veto promotions that would otherwise be possible. But the Diagram currently doesn't keep track of how many pieces of each type there are on the board. So it would have to scan the entire board to detect whether the proposed promotion piece is already there. This is possible, but would slow down the AI a lot. (But the AI currently cannoot handle games with drops anyway, so perhaps this is not a problem.)


💡📝Daphne Snowmoon wrote on Sun, Jul 25, 2021 02:02 PM UTC in reply to H. G. Muller from 12:42 PM:

Thanks for the kind reply!


💡📝Daphne Snowmoon wrote on Fri, Jul 30, 2021 03:47 AM UTC:

Some pieces have been renamed

Van -> Wazir (Movement also changed: D -> W)

Ferz(Sa士) -> Ferz(In刃)


💡📝Daphne Snowmoon wrote on Thu, Aug 12, 2021 01:34 AM UTC:

Piece moves reworked, Piece names modified, Castling and Enpaasant removed, Pawn rules modified, board size and piece placement changed.


💡📝Daphne Snowmoon wrote on Fri, Aug 13, 2021 06:22 PM UTC in reply to Michael Nelson from Sat Jul 24 03:55 PM:

Nelson // I made major changes to the rules and in the process the promotion restrictions were removed!


H. G. Muller wrote on Tue, Aug 17, 2021 01:55 PM UTC in reply to Daphne Snowmoon from Sun Jul 25 02:02 PM:

You can now describe the desired behavior for Pawns (regaining the double pushe when they are dropped on 2nd rank) by prefixing the double push by ii. Moves with such a prefix will be allowed whenever the piece is on a square that was occupied by a piece of that type in the start posiiton, irrespective of whether the piece moved before (and then somhow returned there). A single i prefix indicates moves that can be made only when the piece has not moved at all.


💡📝Daphne Snowmoon wrote on Wed, Aug 18, 2021 10:55 PM UTC in reply to H. G. Muller from Tue Aug 17 01:55 PM:

Thank you! But now Pawn's moves have changed so I don't think it's necessary to use it in Pandemonium. If I ever make other variants, I'll use them!

(´ ˘ `)


💡📝Daphne Snowmoon wrote on Wed, Aug 25, 2021 10:23 AM UTC:

Castle added. I plan to gradually increase the Castle.


H. G. Muller wrote on Wed, Aug 25, 2021 11:26 AM UTC in reply to Daphne Snowmoon from 10:23 AM:

I am very skeptical as to whether this castle is any good. In games with drops attacking is usually easier than defending, so that defending is a losing strategy. The game is a 'race to mate', and if you don't make an effort to checkmate, you will surely lose that race. You put all the strongest pieces in that castle, so you have virtually zero attack power left.

In Shogi a castle typically contains pieces with low mobility, which cannot easily be used in attack (without dropping them): Lance, Knight and the generals. I can add that even then castling is a dubious proposal: super-human players such as Alpha Zero don't find any of the popular human castles (while in Chess it finds all popular human openings!).

If castling is useful at all, a good castle should not involve any strong pieces, and consist mainly of Pawns, Guards and Knights. And perhaps a Bishop if it can 'look outward' with useful aim.


💡📝Daphne Snowmoon wrote on Fri, Aug 27, 2021 10:57 AM UTC in reply to H. G. Muller from Wed Aug 25 11:26 AM:

I'll take your point

//

Renamed piece + Repositioned piece + Changed piece type

Pawn drop mate now available It is now possible to drop a Pawn to a File that has a Pawn Pawn drop possible at Last Rank


💡📝Daphne Snowmoon wrote on Thu, Sep 23, 2021 04:15 PM UTC:

Most of the rules have been modified !!


💡📝Daphne Snowmoon wrote on Sun, Sep 26, 2021 10:01 AM UTC:

All descriptions of Pieces are not visible on mobile. (Other pictures are visible, but only the pictures related to the Piece move are not visible)

How to solve it?


🕸Fergus Duniho wrote on Sun, Sep 26, 2021 08:29 PM UTC in reply to Daphne Snowmoon from 10:01 AM:

Try using only alphanumeric and punctuation characters found in ASCII in your file names. Korean letters may not be recognized by all software.


💡📝Daphne Snowmoon wrote on Mon, Sep 27, 2021 06:33 AM UTC in reply to Fergus Duniho from Sun Sep 26 08:29 PM:

As you said, I changed the file name to English, but I still can't see the pictures related to the piece move on mobile...

If I use Safari browser's reader view, I can't see all the descriptions in 'Pieces'

However, if I hide the reader view, the shape of the picture is broken.


🕸Fergus Duniho wrote on Mon, Sep 27, 2021 01:42 PM UTC in reply to Daphne Snowmoon from 06:33 AM:

On my iPad, Safari's Reader mode is skipping the whole Pieces section. Without Reader mode, things look fine in both Safari and Chrome. I also tried Firefox's Reader mode on my Likebook Mars. It did not skip the Pieces section, though it did mess up your ASCII diagram.


💡📝Daphne Snowmoon wrote on Mon, Sep 27, 2021 01:46 PM UTC in reply to Fergus Duniho from 01:42 PM:

Ummm... is this an unsolvable problem?


🕸Fergus Duniho wrote on Mon, Sep 27, 2021 01:52 PM UTC in reply to Daphne Snowmoon from 01:46 PM:

It might be. It looks like Safari's Reader mode makes inappropriate decisions about what to exclude. In another page I looked at, it showed the Pieces section but skipped the Rules section. My advice would be to not use its Reader mode on this site. It should be unnecessary anyway, since mobile pages here leave out sidebar ads.


🕸Fergus Duniho wrote on Mon, Sep 27, 2021 05:35 PM UTC in reply to Daphne Snowmoon from 01:46 PM:

I fixed the problem by no longer enclosing each section in SECTION tags.


💡📝Daphne Snowmoon wrote on Mon, Sep 27, 2021 06:53 PM UTC in reply to Fergus Duniho from 05:35 PM:

thank you!!

But for some reason, the text often looks red. hmm


Ben Reiniger wrote on Mon, Sep 27, 2021 08:39 PM UTC:

The red is because the text is now wrapped in an <a> tag, and hovering over that changes the text color.


🕸Fergus Duniho wrote on Mon, Sep 27, 2021 08:55 PM UTC in reply to Ben Reiniger from 08:39 PM:

Okay, I closed the A tags, and now the text is no longer red in regular mode, and it's no longer blue in Reader mode.


💡📝Daphne Snowmoon wrote on Wed, Sep 29, 2021 04:33 PM UTC:

Ben, Fergus // Really thanks for helping !!


💡📝Daphne Snowmoon wrote on Sun, Oct 24, 2021 09:47 AM UTC:

I implemented the piece icon, how to install, and more!


💡📝Daphne Snowmoon wrote on Thu, Oct 28, 2021 05:09 AM UTC:

You can even actually play Pandemonium on the bot-spam channel on Pychess Discord!

https://discord.gg/aPs8RKr


💡📝Daphne Snowmoon wrote on Tue, May 3, 2022 05:37 PM UTC:

I Fixed a typo

Pawn : Moves one square orthogonally forward

->

Pawn : Moves one square orthogonally forward or sideways


💡📝Daphne Snowmoon wrote on Wed, May 11, 2022 09:36 AM UTC:

I Fixed a word

Promotes to 'Scepter' -> Promotes to 'Kangaroo'


💡📝Daphne Snowmoon wrote on Sat, May 21, 2022 07:22 AM UTC:

I added 'Campmate'.


💡📝Daphne Snowmoon wrote on Sat, Jun 25, 2022 09:55 PM UTC:

The setup has changed a lot !


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