This Game is part of a collection of six games derived from 3 inventions of Kevin Pacey. Kevin has created 3 similar games, as far as I can see, that have inspired me to create said collection.The game that has inspired this game is :Frog Chess.I findthat the original has many weak pieces without having strong pieces added, by comparisson with regular chess. I have thought about which strong pieces to add. As there are enough leapers I went the road of bent riders.So this game also features thegryphon.And to also have a rook strength piece I have also added a falcon fromFalcon Chess.So now there are 6 weak pieces, 3 average strength pieces and 2 strong pieces. This seems to me a good progression pyramid of strength.Because of the increased number of pieced I have also increased the board to a 10x9 size. Pawns will still have only a double move at the beginning and the 2 new pieces will be gated like in Musketeer Chess. The other five games in the collection may be found here:
https://www.chessvariants.com/invention/frogchesswithmanticoreandfalcon
https://www.chessvariants.com/invention/hannibalchesswithgryphonandfalcon
https://www.chessvariants.com/invention/hannibalchesswithmanticoreandfalcon
https://www.chessvariants.com/invention/wafflechesswithgryphonandfalcon
https://www.chessvariants.com/invention/wafflechesswithmanticoreandfalcon
Setup
You can play the game against the interactive diagram displayed on this page. To do so, you first need to put the pieces to be gated (Musketeer Chess style) in the rank behind the normal board. First the two white pieces, then the two black pieces. You can find them in the diagram by pressing the "here" button once. Drag and drop them to the desired file. The diagram accepts a king file drop, but this is against the rules because of the fact that the rook goes there when castling. After that you need to press play, choose your preferred depth of the AI's search and play as usual. When you move the pieces that have behind them a gating piece, be sure to click the gating pieces marked with a cyan diamond, and then move the regular piece.
files=10ranks=11promoChoice=NBRQMOFpromoZone=2graphicsDir=/graphics.dir/alfaeriePNG/whitePrefix=wblackPrefix=bgraphicsType=pngsquareSize=50symmetry=noneautoGate=1enableAI=2newClick=1displayPieces=1hole::::a1-j1,,a11-j11pawn::::a3,b3,c3,d3,e3,f3,g3,h3,i3,j3,,a9,b9,c9,d9,e9,f9,g9,h9,i9,j9knight:N:::b2,i2,,b10,i10bishop::::c2,h2,,c10,h10rook::::a2,j2,,a10,j10queen::::e2,,e10gryphon::FyasfF:::1frog:O:FH::d2,g2,,d10,g10falcon:::bird::1king::KispO5::f2,,f10
Pieces
There are three non-orthodox pieces in this game:
The frog either steps one square diagonally or jumps three spaces orthogonally.
The gryphonis a bent rider. It starts it's movewith a diagonal step and then it may slide orthogonally outwarde (at 45 or -45 degree angle) like a rook.
The falcon is borrowed fromFalcon Chess. It is a multipath mover that must stop (3,1) or (3,2) squares away from the starting square.
Rules
The gryphonand the falcon start in hand. The game begins by white placing each of the two behind two differentnon-king files. Then black does the same for himself. These two pieces enter play when the piece ahead of them vacates it's back initial field, automatically taking that spot.
Pawns must promote onthe last rank to any piece except the king.
The castling rule isfast castling, meaning the king may jump sideways to any empty square on the back rank if not in check and if it has not moved yet, provided that the rook on that side is also unmoved. The rook then takes the old king square. Be aware of the fact that the king may jump over intervening pieces.
The 50 moves rule becomes the 75 moves rule.
Other rules are like in orthodox chess.
Notes
Normally I dislike fast castling quite a bit, but in this case because of the gating of pieces, the back rank is pretty full for a while. Moreover, the gated pieces cannot leap. So they would be difficult to move them from the king's path if an orthodox castling stylehad beenemployed.
I have changed the 50 moves rule to 75 moves rule, because more complicated situations may occur on a larger board with a larger number of pieces and piece types.
Thank you, Kevin Pacey for the game that has inspired this one.
Thank you, HG Muller for the interactive diagram.
Thank you, Fergus Duniho for maintaining this website.
This 'user submitted' page is a collaboration between the posting user and the Chess Variant Pages. Registered contributors to the Chess Variant Pages have the ability to post their own works, subject to review and editing by the Chess Variant Pages Editorial Staff.
Last revised by Fergus Duniho.
Web page created: 2023-10-31. Web page last updated: 2024-01-16
Categories and Details
2dLarge0 x (1 x (10 x 9)), 90 spaces
Credits
By Aurelian Florea.Comments
Frog Chess with Gryphon and Falcon. Expansion for frog chess. (10x9, Cells: 90) The piece table can be made to appear as a 'satellite' element of the Diagram, by including a HTML element
in the page at the location where you want it to appear. For side-by-side display I usually define a 2x1 HTML table with the Diagram in the left cell, and the table in the right cell. The xxx is the same string as used in the satellite=xxx parameter in the diagram definition, and serves to indicate which table should contain the pieces of which Diagram when there is more than a single Diagram on the page. By default it would be 'piece'.
I'm not going to do that, because I expect it would break the use of the flex CSS. There should just be a parameter I can set to not make it hidden when the page loads. Since you didn't provide one, I added one called displayPieces, and it seems to be working.
The editor Fergus Duniho has revised this page.
H. G. Muller wrote on Tue, Jan 16 09:00 AM MST in reply to Fergus Duniho from Fri Dec 22 2023 11:23 AM:Since this game is the latter, how do you do that?
@Fergus: Sorry, I missed this completely. The piece table can be made to appear as a 'satellite' element of the Diagram, by including a HTML element <table id="xxxTable"></table> in the page at the location where you want it to appear. For side-by-side display I usually define a 2x1 HTML table with the Diagram in the left cell, and the table in the right cell. The xxx is the same string as used in the satellite=xxx parameter in the diagram definition, and serves to indicate which table should contain the pieces of which Diagram when there is more than a single Diagram on the page. By default it would be 'piece'.
Normally I only display the piece table permanently in drop games, where it acts as the 'hand' from which you drop. Or in games with a flexible setup, where you first have to set up the board from the table.
Since this game is the latter, how do you do that?
H. G. Muller wrote on Fri, Dec 22, 2023 10:58 AM MST in reply to Fergus Duniho from 10:25 AM:It may make sense to just make the side-by-side view the default display. It will display side-by-side only when there is enough horizontal space, and it will display vertically when there isn't.
Well, I don't know. The table is a bit intrusive (and can become enormosuly long for large variants), and it does not really belong in the Setup section of an article. In fact it is almost obsolete by now. For side-by-side view I usually display the pieceList next to the board, rather than the piece table. This looks much more like most articles used to look, but the piece names are still clickable to summon the move diagram. It does not show the piece images, but it lists the squares they are placed, so you could look them up on the board. And when you click the name you would see the image in the move diagram. And nowadays right-clicking a piece on the board will also summon its move diagram, with its name displayed above that. So there are plenty of ways for associating the piece names with the images and the moves. You don't need a bulky table for that.
Normally I only display the piece table permanently in drop games, where it acts as the 'hand' from which you drop. Or in games with a flexible setup, where you first have to set up the board from the table.
The table would fit better in the Pieces section, but in its current form it is not really suitable for that, as it doesn't contain a verbal description of the move, just the Betza notation. The script does contain a Betza-to-text converter, which can be invoked in the Play-Test Applet to get a table suitable for pasting into the Pieces section. But it is not perfect for the more complex multi-leg moves, so you cannot rely on it for automating the article. But combined with the possibilty of a little post-editing it can be a real time safer.
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First Created: Tuesday, October 31st, 2023
Last Modified: Tuesday, January 16th, 2024
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