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Obento Chess. 12x12 Chess variant with Shogi-style promotions and bent sliding pieces. (12x12, Cells: 144) [All Comments] [Add Comment or Rating]
HaruN Y wrote at 12:46 AM UTC in reply to Fergus Duniho from 12:01 AM:

Clicking restart will shuffle the pieces. 960 because it'll only shuffle Bishops, Rooks, Queens, Kings, & Marquis.


🕸Fergus Duniho wrote at 12:01 AM UTC in reply to HaruN Y from Wed May 15 11:19 PM:

I presume the name is inspired by the name Chess 960, which is an alternate name for Fisher Random Chess that some people prefer. But the number 960 in this alternate name for Fisher Random Chess is due to the number of different positions possible using the shuffle rules of that game. If you apply the same shuffle rules to a 12x12 game with two rows of non-Pawn pieces for each player, the number will probably be higher than 960. So I don't think Obento Chess 960 is really an appropriate name. It would be better to call it Fisher Random Obento Chess.

Also, it does not appear to be working. It does not shuffle pieces, and it does not show me how any piece moves.


HaruN Y wrote on Wed, May 15 11:19 PM UTC:

Obento Chess 960

graphicsDir=/graphics.dir/alfaerieSVG/ files=12 ranks=12 whitePrefix=w blackPrefix=b graphicsType=svg squareSize=50 lightShade=#FFFFFF darkShade=#E06666 rimColor=#990000 coordColor=#FFFFFF borders=0 firstRank=1 useMarkers=1 promoZone=3 maxPromote=10 promoOffset=13 shuffle=M!BRQK symmetry=mirror pawn::ifmnW*fmWfceF::a3-l3 silver pashtun:SP:FAfWfD:/membergraphics/MSalfaerie-style-pieces/%silverpashtun.svg:b2,k2 gold pashtun:GP:WDfFfA:/membergraphics/MSalfaerie-style-pieces/%goldpashtun.svg:c2,j2 bishop::::e2,h2 marquis:M:NW:knightwazir:d2,i2 wizard:WZ:FC:camelferz:c1,j1 wildebeest:WB:NC:wildebeest:f1,g1 rook::::a2,l2 snake tongue:SN:[vW?B]:/graphics.dir/alfaerieSVG/%snake.svg:b1,k1 twin tower:SH:[F?fqR]:/graphics.dir/alfaeriePNG/%ship.png:d1,i1 osprey:O:[D?B]:bird:e1,h1 ostrich:A:[A?R]:bird2:a1,l1 queen::::f2 flying ox:FO:vhQ:ox: silver rider:SR:BfR:/membergraphics/MSalfaerie-style-pieces/%silverrider.svg: gold rider:GR:RfB:/membergraphics/MSalfaerie-style-pieces/%goldrider.svg: dragon horse:DH:BW:promotedbishop: squirrel:SQ:NS:: caliph:C:BC:camelbishop: wildeguard:WG:KNC:/membergraphics/MSalfaerie-style-pieces/%wildebeestgeneral.svg: dragon king:DK:RF:promotedrook: osprey:O:[D?B]:bird: ostrich:A:[A?R]:bird2: king::KisO3::g2

@ Bob Greenwade[All Comments] [Add Comment or Rating]
Bob Greenwade wrote on Wed, May 15 11:16 PM UTC:

Now the one for today...

302. Yadj / Bishop's Dog. This is a piece that initially made as part of the Tifinagh set, only to find that there was already a piece elsewhere with the exact same move. I couldn't come up with a better move for the Yadj (ⴵ) than three spaces diagonally, so I left it as-is. (B3)

The other version of this piece, the Bishop's Dog, is one that I found in Adrian King's Jupiter, though I understand that its actual first appearance was in another of his games, Typhoon.

Whichever model is preferred, I think they'd be interesting not just in their respective home games, but as part of a CwDA set.


Bob Greenwade wrote on Wed, May 15 08:42 PM UTC in reply to Lev Grigoriev from 04:30 PM:

I corrected the XBetza as indicated.

And I'm pleased that the model triggered a positive response. It's what I was aiming for.


alfaerie style pieces. Members-Only Missing description (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

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Trojan chess. the rules for the knight piece have been changed. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
🔔Notification on Wed, May 15 07:16 PM UTC:

The author, Piotr Smagacz, has updated this page.


Alfaerie SVG Piece Graphics. The Alfaerie set of piece graphics in scalable SVG format.[All Comments] [Add Comment or Rating]
Daniel Zacharias wrote on Wed, May 15 06:08 PM UTC in reply to Jean-Louis Cazaux from 03:30 PM:

For most of those, I have made some that I hope would be good enough. The only one I didn't try is ostrich


Crossroads. Members-Only Crossing the diagonals generate figures. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]

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Play Chess Variants with Jocly. Missing description[All Comments] [Add Comment or Rating]
A. M. DeWitt wrote on Wed, May 15 05:43 PM UTC in reply to François Houdebert from Tue May 14 08:07 PM:

Looks much better.

I also removed the exraneous black line from the Kyoto Shogi setup image, shown below.


Electro Chess. Members-Only Every piece has a charge, every square is an electric field. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]

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12 Miles for Glory. Members-Only Pawn promotes to common pieces, but returns to turn into stronger ones. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

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@ Bob Greenwade[All Comments] [Add Comment or Rating]
Lev Grigoriev wrote on Wed, May 15 04:30 PM UTC in reply to Bob Greenwade from 03:33 PM:Good ★★★★

I wasn't sure I could get an effective model for this, but I thought I'd give it a shot. I think the result is of a decent caliber.

Yeah, the model is effective and turn-able. Caliber is kinda acceptable.

I'm not sure I got all the letters in the right order in the last section, but I've no doubt someone will chime in if I messed it up.

It’ll be fW4bWsmWsmpafabcduW. It’s the first time when I fix XBetza because I know where my Shieldholder with such a technic is coded, and taken that code (though then added d to make it push all pieces)

Generally such a technic of pushing is like switching bullets in revolver:

Video from “Mr. Freeman” (pt. 04).


Interactive diagrams. Diagrams that interactively show piece moves.[All Comments] [Add Comment or Rating]
Aurelian Florea wrote on Wed, May 15 04:00 PM UTC in reply to H. G. Muller from Mon May 13 03:10 PM:

Actually I think we still have a problem. The heavy cannon can jump (but it cannot capture) the light cannon. This can't be an capture matrix thing because $ should do them both!


@ Bob Greenwade[All Comments] [Add Comment or Rating]
Bob Greenwade wrote on Wed, May 15 03:33 PM UTC:

(Yesterday's PotD; I had a very full and tiring day.)

301. Bullet. This piece of Lev's is one that I've categorized as "technically a spear," though its truncated forward move makes it more of a Shogi-like piece. It slides normally up to four spaces forward, or steps one space backward. It also can move without capture one space sideways, though if the space is occupied and the next one over is not then it can push the occupying piece into the unoccupied one beyond. (fW4bWsmWsmpafabcduW)

On a particularly large board (at least 16 rows), this might even be usable as a Pawn.

I wasn't sure I could get an effective model for this, but I thought I'd give it a shot. I think the result is of a decent caliber.


Alfaerie SVG Piece Graphics. The Alfaerie set of piece graphics in scalable SVG format.[All Comments] [Add Comment or Rating]
Jean-Louis Cazaux wrote on Wed, May 15 03:30 PM UTC:

Hi. I need some more Alfaerie pieces for coding an ID for Obento Chess. Some are probably easy to do:

Silver Pashtun: from Silver General with 2 points instead of 1 on every direction

Gold Pashtun: similar construction

Silver Rider: from Silver General with points replaced by arrows (?)

Gold Rider: similar construction

Wildeguard (KNC): from NC with a star (?)

Is there any editor who could make them and add them?

Another one would require more work: Ostrich

Thank you


Obento Chess. 12x12 Chess variant with Shogi-style promotions and bent sliding pieces. (12x12, Cells: 144) [All Comments] [Add Comment or Rating]
🔔Notification on Wed, May 15 03:27 PM UTC:

The author, Jean-Louis Cazaux, has updated this page.


Xodohtro Chess. Members-Only Inverting some of the rules of orthodox Chess. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

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Megalomachy. A huge game with 2x80 pieces, some able to jump over many others. (16x16, Cells: 256) [All Comments] [Add Comment or Rating]
Aurelian Florea wrote on Wed, May 15 03:12 PM UTC:

@HG My preset for this game is giving an error about fast castling. It used to work. Any idea why?


Electro Chess. Members-Only Every piece has a charge, every square is an electric field. (9x9, Cells: 81) [All Comments] [Add Comment or Rating]

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Grolman Chess. Members-Only Game with sequential movement of pieces of the same color. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]

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