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Koval's Hexagonal Chess. A new way to play chess on hexagonal cells.[All Comments] [Add Comment or Rating]
💡📝Max Koval wrote on Tue, Nov 23, 2021 12:40 PM UTC in reply to Ben Reiniger from Mon Nov 22 03:46 PM:

@Ben Reiniger, thank you for the explanation! Yes, this is one of those variants, and definitely not a 'quirky' one, because I didn't want to create a completely new game, but rather to rebuild in a new way the material that existed before me.

I think it would be great to add Shafran's variant to the primary hexagonal groop too, as well as variants by De Vasa and Brusky.

I think that I must explain, why I consider that my game is 'better' than other major hexagonal variants. Some of the reasons may sound a little bit subjective, although I believe that they will help to finally clarify my ideas about this particular game.

I came with an initial setup, which incorporates an equal number of knights and bishops (as well as pawns and major pieces - ten against ten). Since the knight and the bishop are relatively close in their values, I believe that this ratio is important for the balance of the game, especially after exchanges.

The initial setup of my variant seems to be a little bit more 'safer' than in other variants (Especially by Shafran, and Brusky (among horizontal ones)). This safety increases the diversity of possible openings and makes this variant relatively similar to orthodox chess, while it does not imitate the original game and its setup, but provides its own harmonic array. (An interesting fact is that the number of all first possible moves is similar to orthodox chess - 20 against 20). The number of black, grey and white-colored cells is equal to each other on my board. (Shafran - 23 white and black cells, 24 grey cells. Glinski/McCooey - 30 white and black cells, 31 grey cells. Koval - 24 white, grey and black cells). Of course, it is not important when it comes to the playing properties, but it may have some impact on the actual value of the grey-colored bishop, and, at least it just was an aesthetical flaw. I believe, that any unprotected pieces (not necessarily the pawns), especially at hexagonal boards, where the major pieces are way stronger than in orthodox chess, tend to be easily attacked, and in some cases, this leads to forced defensive progressions (Like in my previous example, related to the unprotected rooks in Shafran's variant). Such games cannot be acceptable for high-level or rating play, although it still works for 'home usage' or just as an intriguing novelty. The goal of the author was not just to create something different - I wanted to create a hexagonal variant that could compete with orthodox chess.


OctaChess. Chess with eight different armies with four classic and four modern chess variants.[All Comments] [Add Comment or Rating]
💡📝Albert Lee wrote on Tue, Nov 23, 2021 08:24 AM UTC:

This post is ready for publication.


Opulent Chess. A derivative of Grand Chess with additional jumping pieces (Lion and Wizard). (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
H. G. Muller wrote on Mon, Nov 22, 2021 07:48 PM UTC:

Well, because of the acclamation then:

files=10 ranks=10 satellite=oppulent graphicsDir=/graphics.dir/alfaeriePNG35/ holdingsType=1 promoZone=3 maxPromote=1 squareSize=35 graphicsType=png lightShade=#FFFFCC startShade=#6A8D8B rimColor=#804646 coordColor=#FFFFFF borders=0 firstRank=1 useMarkers=1 promoChoice=*Q*C*A*R*L*N*B*W!P symmetry=mirror pawn::fmWfceFifmnD::a3-j3 wizard::FC:mage:b1,i1 bishop::::d2,g2 knight:N:NW:knightwazir:c2,h2 lion::HFD::b2,i2 rook::::a1,j1 archbishop::BN:cardinal2:j2 chancellor::RN:chancellor2:a2 queen::::e2 king::K::f2

Oppulent Chess


Eric Silverman wrote on Mon, Nov 22, 2021 04:48 PM UTC:Excellent ★★★★★

I've played the heck out of this via Ai Ai, and I absolutely adore this game. I prefer the greater piece density and the more interesting piece mix here to those of Grand Chess. The resulting play is interesting and nuanced both tactically and strategically. In my opinion Opulent Chess is one of the finest 10x10 variants.

My one complaint is the presence of Pawn promotion by replacement, but that's not particular to this game, I just dislike it everywhere. Promoting stuff is fun and interesting, so I prefer just being able to promote to any piece without restriction. After all I'm a Shogi player, and what can I say, we like promoting stuff! I also dislike some of the weird effects the rule can produce in rare circumstances, but that's more of an aesthetic objection. I do like the extended promotion zone though.

On the whole, a delightful game. Strongly recommended to anyone with an interest in decimal variants.


Koval's Hexagonal Chess. A new way to play chess on hexagonal cells.[All Comments] [Add Comment or Rating]
Ben Reiniger wrote on Mon, Nov 22, 2021 03:46 PM UTC in reply to Max Koval from Sun Nov 21 02:15 AM:

As I can understand, you assume that my game seems to be too close to other existing variants, and maybe, it cannot be counted as a fully independent variant...

Ah, sorry, no, that was not my intended message. The board shape is enough IMO to warrant publication, since it limits the sort of "flanking" that rooks and queens gain in the hexagonally-shaped board of Glinsky/McCooey.

Let me try to clarify my intent. Hexagonal cells take some extrapolation from orthochess; the majority of variants (but not all!) agree on the basics (rooks and bishops, knights), and some (Glinsky!) differ on pawns, or sometimes kings. The next major splitting point is orientation (is forward an orthogonal direction or not), but again most variants agree on that. Within the large chunk of forward-oriented diagonal-attacking-pawns variants then, the only real differences are board size/shape, setup, pawn details (initial moves and promotion zone), and castling. So, I think it's nice to clarify quickly where a variant lives: this is one of those variants, not a "quirky" one with horizontally-oriented, or "weird" or "new" piece interpretations.

I'd like to point out that he was not first in creating the game that uses these rules, and I don't fully understand why his variant is mentioned instead of Shafran's version, which stands a little bit closer to my game

That's mostly a historical bias of this site I think: Glinsky's is probably the best-known, and McCooey's was introduced here, and so now the two Recognized/Primary links for the Hexagonal category are those. Perhaps we should add Shafran's game as a Recognized/Primary variant here in the hexagonal category?

I'll also mention that I'm not so familiar with hexagonal chess hierarchies and history, so I'm happy to be corrected on anything. Just to include them here, see also CECV chapter 22 and wikipedia.

Finally, I think the various claims like "the main difference is that my variant is actually playable" need some clarification. What is it about the different shape and setup that make this playable while all other hexagonal variants are not? At some point in your last comment you mention mismatched number of pawns and pieces, but that's hardly a disqualifier for me at least. Protected pawns, good and interesting openings, etc. would be more convincing to me. And yes, all that's subjective, but I think some discussion on the page (Notes section?) would be beneficial.


kings cross. Members-Only Missing description[All Comments] [Add Comment or Rating]

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ThreeHex. Hexagonal variant for three players.[All Comments] [Add Comment or Rating]
💡📝Max Koval wrote on Sun, Nov 21, 2021 03:36 AM UTC in reply to Ben Reiniger from Sat Nov 20 11:01 PM:

@Ben Reiniger, I renamed it.


Koval's Hexagonal Chess. A new way to play chess on hexagonal cells.[All Comments] [Add Comment or Rating]
💡📝Max Koval wrote on Sun, Nov 21, 2021 02:15 AM UTC in reply to Ben Reiniger from Sat Nov 20 10:42 PM:

@Ben Reiniger, yes - of course, the rules are close to McCooey's game, with some remarkable changes. But, I'd like to point out that he was not first in creating the game that uses these rules, and I don't fully understand why his variant is mentioned instead of Shafran's version, which stands a little bit closer to my game (The difference between his interpretation and mine are the board shape, number of pieces, and some minor changes in the pawn and castling rules, as well as a new interpretation of stalemate. But still, the main difference is that my variant is actually playable).

As I can understand, you assume that my game seems to be too close to other existing variants, and maybe, it cannot be counted as a fully independent variant, at least without crediting McCooey's rules. Now, I regret that I didn't explain my ideas in the article due to the lack of free time.

Unlike all the variants on vertical hexagonal boards, which use diagonal pawn's capture (I won't be mentioning all other games and I'll be focusing only on this family of hexagonal games), I managed to come with a variant that is really playable and harmonic in its approach.

Both variants, which I mentioned previously, don't provide us with that. McCooey's interpretation has an unequal number of pawns and major pieces (7 against 9). In my opinion, it is enough to consider the fact that such a game cannot be accepted as something competitive to orthodox chess, and I highly doubt that it can be counted as an 'independent' variant if it uses the same board as in Glinski's game. Rules are the rules, but the board is the board. I like his variant, but I wouldn't prefer to play it as my major game. There are some other flaws (like the unprotected central pawn), but they are unremarkable. Shafran's interpretation has an unnatural initial setup, and I don't get the point of placing the pieces in such a broken array on vertical hexagons, while it works on horizontal ones (De Vasa, Brusky). But it doesn't matter at all if we'll be talking about the playing properties of this game. It is just unsafe to play it. After the first move by the central pawn, White threatens to attack both of the opponent's rooks at once, moving one of their bishops in front of their king. Can you imagine it in orthodox chess? Of course, it can be avoided, but it greatly reduces the diversity of possible opening positions, and it seems that this game doesn't have an opening stage at all. If Black moved their central pawn too, they're able to attack White's rooks, too. The exchange's happening, and the game continues. But still, can this variant look competitive to orthodox chess if it has such 'darkish' tricks? I guess that it'll be a true nightmare, especially for low-skilled players. The board is just too short for such pieces, and the game starts with predictable repetitive exchanges, especially if it is played by strong players. Unlike my variant, where castling actually does its primary purpose, it is completely useless in this variant.

My game stays free from all the special flaws that I mentioned above. It is actually playable and, I'm not afraid to say that it is aesthetically perfect.

At least, all thoughts that I posted here are just my thoughts. As a keen lover of hexagonal chess, I just wanted to create something better, and I continue to believe that this variant deserves its existence.


kings cross. Members-Only Missing description[All Comments] [Add Comment or Rating]

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Americana chess. Members-Only Missing description[All Comments] [Add Comment or Rating]

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ThreeHex. Hexagonal variant for three players.[All Comments] [Add Comment or Rating]
Ben Reiniger wrote on Sat, Nov 20, 2021 11:01 PM UTC:

I would encourage a more descriptive name. The earlier this is done the less work it involves.

Perhaps for easier comparison, here's a query that lists all hexagonal 3-to-6-player variants:
https://www.chessvariants.com/index/mainquery.php?category=Hexagonal&minnumplayers=3&maxnumplayers=6

(There may be some pages listed as primarily 2-player but with 3-player subvariants that this will not find. Dropping the maximum of 6 doesn't include any additional results.)


Koval's Hexagonal Chess. A new way to play chess on hexagonal cells.[All Comments] [Add Comment or Rating]
Ben Reiniger wrote on Sat, Nov 20, 2021 10:42 PM UTC:

Am I correct that pieces all move as in McCooey's hexagonal chess? If it's close enough, maybe stating that together with any exceptions would help frame this variant's place relative the existing art?

(The obvious changes are the board and piece counts. You also allow castling.)


Sin-yeon-sang-gi (新演象棋). I dramatized Sin-yeon-sang-hui (新演象戱), one of the variations of the Joseon Dynasty, in Xiangqi style.[All Comments] [Add Comment or Rating]
💡📝Daphne Snowmoon wrote on Sat, Nov 20, 2021 01:24 AM UTC in reply to Jean-Louis Cazaux from Fri Nov 19 06:05 PM:

Okay ! I'll do it later!

٩(ˊᗜˋ*)و


Jean-Louis Cazaux wrote on Fri, Nov 19, 2021 06:05 PM UTC in reply to Daphne Snowmoon from 02:00 PM:

I think Sin-yeon-sang-hui is not well known for Westerners. Daphne, Would you be so kind to make also a page for this one, with the historical data theatre known? This is very interesting


💡📝Daphne Snowmoon wrote on Fri, Nov 19, 2021 02:00 PM UTC in reply to Bn Em from 01:51 PM:

SYSG (Sin-yeon-sang-gi) is a version adapted from SYSH (Sin-yeon-sang-hui), one of the historical variant of Janggi, in Xiangqi style. In the SYSH, there is no river, and instead of Xiangqi's Cannon, Janggi's Cannon exists. Also, The deployment will also be different from this one


Bn Em wrote on Fri, Nov 19, 2021 01:51 PM UTC in reply to Jean-Louis Cazaux from 07:32 AM:

Afaict, it looks like Sin-yeon-sang-hui is a historical Janggi variant (though my Korean is nonexistent so I can't confirm any of what Daphne posted), and this is a back‐formation (‘dramatised’ is probably Google Translate or equivalent) of an an equivalent Xiàngqì‐derived variant.

Presumably the Korean original has no river and Korean‐style cannons/advisors/generals


💡📝Daphne Snowmoon wrote on Fri, Nov 19, 2021 12:29 PM UTC in reply to H. G. Muller from 09:13 AM:

Ahh thanks !


H. G. Muller wrote on Fri, Nov 19, 2021 09:13 AM UTC in reply to Daphne Snowmoon from 04:30 AM:

When Cannon captures the Rhino, the text "I win!" appears. But it's not a checkmate situation at all. What error is this?

When you do not explicitly specify a royal piece through a parameter royal=N, the diagram assumes the last piece in the list is the royal one. In this case that is the Rhino. By default the diagram assumes extinction royalty. So when the diagram captures the second Rhino, it assumes it won the game.

Either re-order your piece lines in the diagram definition so that the King is last, or add a line royal=8.


💡📝Daphne Snowmoon wrote on Fri, Nov 19, 2021 07:53 AM UTC in reply to Jean-Louis Cazaux from 07:32 AM:

新演象戱圖說 - 신연상희도설

余乃更張之別開四路, 添之以牛與犀

而牛行田 犀行月, 卒各添二 比舊進據一路

於是乎博之數四十四而用兵之術亦可謂各極其妙矣

내가 그것(장기)을 새롭게 변형해 보았다.

우선 4개의 길을 더 늘리고, 우(牛)와 서(犀)라는 기물을 추가했다.

우(牛)는 밭전(田)자로 움직이고, 서(犀)는 눈목(目)자로 움직인다.

졸(卒)은 각각 2개씩 추가하는데, 이전과 다르게 하나의 길만 사용한다.

이에 기물의 수가 44개로 늘어나 용병술 역시 그 오묘함이 극에 달한다.

Source : 靜默堂集 - 정묵당집 (1776)

If you want to, search the word 정묵당집 in https://kyu.snu.ac.kr/


Jean-Louis Cazaux wrote on Fri, Nov 19, 2021 07:32 AM UTC:

Is this variant a recent invention or is there an historical context? I don't understand. It is said "I dramatized Sin-yeon-sang-hui", but what is Sin-yeon-sang-hui?

Thank you


💡📝Daphne Snowmoon wrote on Fri, Nov 19, 2021 04:14 AM UTC:
files=13 ranks=10 promoZone=5 promoChoice=Q graphicsDir=../graphics.dir/alfaerie/ whitePrefix=w blackPrefix=b graphicsType=gif squareSize=54 darkShade=#C8E0A8 lightShade=#F0FFC0 royal=8 symmetry=mirror pawn::fW:chinesepawn:a4,c4,e4,g4,i4,k4,m4 pawn (passed):Q:fsW:chinesepawn: guard::F:pawn:f1,h1 bull:U:afF:ox:e1,i1 horse::afsW:horse:d1,j1 cannon::::b3,l3 rook::::a1,m1 king::WfafyafcW:king:g1 bear:B:asfafW:tiger:c1,k1 rhino:I:afasfW:rhino:b1,l1

💡📝Daphne Snowmoon wrote on Fri, Nov 19, 2021 03:51 AM UTC:

Can this be published ?


Banner Xiangqi. Xiangqi with Banners (from the Game of Three Kingdoms) and simplified endgame rules.[All Comments] [Add Comment or Rating]
💡📝A. M. DeWitt wrote on Fri, Nov 19, 2021 02:18 AM UTC:

Banner Xiangqi is ready


Turkish Great Chess variation V. Large variant with three new pieces. (13x13, Cells: 169) [All Comments] [Add Comment or Rating]
Jean-Louis Cazaux wrote on Wed, Nov 17, 2021 08:07 PM UTC in reply to Georgi Markov from Wed Oct 20 04:08 PM:

Interesting paper. Errors in describing chess variants are not uncommon in literature (see Grant Acedrex for example). However, not everything are errors as this paper says. There are always obscure points in the old and original descriptions, and they are rendered with some interpretation by more modern authors. This is also what the authors of this paper are doing themselves. In my opinion their reconstruction is speculating as much as Murray or others have done, but their speculation make sense and I think their proposed reconstruction is the best for this game, indeed.

If Markov contacts me I will be glad to discuss that with him.


Simple Mideast Chess. Members-Only Game with simple rules, no promotion, no nonstandard move or capture, no asymetric pieces, and no check, checkmate or stalemate.[All Comments] [Add Comment or Rating]

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