help me, in that diagram is the pawn on 4e4 or 4e5 or 5e5 or...
particularly hard visualising knight moves there
3 Dimensional Cubic Chess 8x8x8 Board
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Actually the kings might be on 1e5 and 8e5, not the e4s, not sure. That would be consistent with "king on the opposite color" (remember colors of cubes would alternate vertically the same way they do horizontally, so all the colors on the 8th plane would be opposite to what they are on the 1st plane). Pawn moves would only be vertical, in 3D, up the board, not forward. Promotion cubes would be all the cubes on the 8th (or 1st) plane, and would capture upward or downward diagonally, like a downward shifted king move except directly below the cube vertically. It would be possible to have 67 queens. The pawns are on every cube that begins with a 2 for white (2a1 2b1 2a2 2b2..etc) and every cube on the 7th plane for black. Their first move would be 2e4 to 4e4 for example, only the first number would change, unless they capture.
EndgameEnthusiast2357 wrote:
My previous thread on this is long dead and I have changed my mind about some of the ideas, so would like to share this again:
Real 3d chess is not what you see on star trek, it is a cubic 8x8x8 board with 512 cells, and potentially 256 pieces in total. The initial set up would be all of each sides pieces on their 1st "plane", such as the following:" /endquote.
"THE real chess?? "Real 3D chess is 8x8x8? It seems as though you have the right deduction for the moves of chess pieces extrapolated to a 3rd dimension of movement (which actually isn't that hard, you just have to place a chess board on its side so the files look like up/down columns), that is, You are correct that the visualization of chess extended into a 3rd dimension is best done by looking at board made from cubes instead of stacked squares, but your idea of what is real 3D chess is wrong.
8^3 (Kubikschach) chess is like playing on 8 chess boards at once, it his hugely impractical, and it isn't the only 3D chess board that has been proposed.
5^3 (Raumschach) chess has also been developed, and it is way more practical. I used to play it online at a site that is no longer active.
https://www.chessvariants.org/play/jocly/3dchess
Yes but it's not about multiple 2d boards, it's about one solid 3d board. The difference is I added many more pieces to cubic chess to compensate for the much higher freedom of movement of any piece and the king. And for the fact that in chess pieces "fill" the first 2 and last 2 ranks, in 3d chess the pieces fill the first 2 levels and last 2 levels.
EndgameEnthusiast2357 wrote:
Yes but it's not about multiple 2d boards, it's about one solid 3d board. The difference is I added many more pieces to cubic chess to compensate for the much higher freedom of movement of any piece and the king. And for the fact that in chess pieces "fill" the first 2 and last 2 ranks, in 3d chess the pieces fill the first 2 levels and last 2 levels.
https://www.chessvariants.org/play/jocly/3dchess
This site goes to an actual 3D chess online game with a computer opponent. Give it a try and let me know if you still think 8^3 it is real playable game or a theoretical impracticality...
Using this formula (3^n)-1, with "n" being the number of dimensions, you can calculate how many directions the the Queen or King can move from the middle of the board, in any dimension. In 4D it would be 80... But just because you can doesn't mean you should. My point is that 512 cells and 128 pawns is rather absurdly impractical.
OK I just skimmed through it, and the piece movements don't make sense. First of all they didn't include the 3d diagonal movements (where all 3 coordinates change). The king should have 26 possible moves from the 2nd plane, not 18 (think of the king being at the center of a rubicks cube and all of the outside cubes the king can move to. Same for the bishop, and pawn captures. It has to include 3d diagonals. Even knights, in 3d chess, should be able to make a diagonal move as long as it's perpendicular to the initial 2 square/cube movement, since it's still a perfect L shape. Pawns shouldn't be able to capture down. Only up and forward (actually only up as they would promote at the top). Where the button to play? Can't find it?
I don't know what site you are criticizing, I already agreed that you have the right amount of moves for the pieces, 26 directions is an easy calculation or counting for a queen or king. I updated the comment you replied to to clarify what I meant about the board and movement.
The link you posted explaining the 8x3 version.
EndgameEnthusiast2357 wrote:
The link you posted explaining the 8x3 version.
Did you try to play an actual game at the other site, that is the real test, the actual game has the correct moves, the other site I just found and it could be wrong.
Where's the play button? I don't see it in either link?
EndgameEnthusiast2357 wrote:
Where's the play button? I don't see it in either link?
https://www.chessvariants.org/play/jocly/3dchess
The white piece bases should all be highlighted, or else the one you selected, but you can just make the first move for white to start the game. To make a change in the piece selected just tap on it again and all the piece bases become highlighted again. Click on the screen and move the mouse to rotate the board in any direction.
Also found the 5x5x5 (raumschach) version: https://www.chessvariants.org/play/jocly/raumschach
EndgameEnthusiast2357 wrote:
Where's the play button? I don't see it in either link?
So how did it go? I'm certain it makes more sense to play 3x6x8 or 5x5x5 than to try to manage 256 pieces on an 8x8x8.
Still not getting any board that I can move pieces on.
But I don't get their version of the piece movements. 3d diagonal movements are left out for the bishop. The pawn can capture downward (equivalent to moving backward). Totally inconsistent. I'll take my 8x8x8 cubic chess any day over that! A simple holographic board to click and move pieces suffices!
EndgameEnthusiast2357 wrote:
Still not getting any board that I can move pieces on.
But I don't get their version of the piece movements. 3d diagonal movements are left out for the bishop. The pawn can capture downward (equivalent to moving backward). Totally inconsistent. I'll take my 8x8x8 cubic chess any day over that! A simple holographic board to click and move pieces suffices!
That's a contradiction: You can't make the pieces move but you know they move wrong? Lol, The bishops move correctly, through all 12 edges of the cube, while staying on the same color. The Pawns capture forward and that's all that matters, as long as they can promote on the far side. There is no restriction in classical chess that the pawns promote only on the board's opposite 2 corners, so there is no reason (There is no opposite top/bottom back edge in 8x6x3) for the white pawns to promote only on the top back rank no matter how many levels are used. If the length of the board is the same as the height, then that restriction works.
Okay Raumschach (5x5x5) uses Knights and Unicorns and so the Queen and King can move in all 26 directions, that is including the corner Unicorn moves. Not just Bishop + Rook moves. That version uses the restriction you prefer - "White pawns globaly move forward and upward, black pawns move forward and downward. Promotion rank is A1 for Black, E5 for White." It works because the board is symmetrical in all 3 dimensions.
My point was I can literally play 3D chess right now on two different boards 8x6x3 and 5x5x5, it works, switch to 2D view and you will see. If you haven't selected a piece then all the bases will have a white dashed line around the edge of the squares or cube bases. Meanwhile you only have this fantasy of 8x8x8, theoretical and practically unplayable and nowhere, or you would have shared a link. Go and have a game, and enjoy playing "real" 3D chess, instead of arguing about a fantasy.
Actually, 3d diagonal bishop moves work differently with the colors. Every 1-cube movement along a 3d diagonal changes color (1,1,1 to 2,2,2 for example), but that movement still only gives it access to half the board, despite having access to both colors. But yes, 2d "edge" diagonal moves stay on the same color regardless because they only occur in one horizontal or vertical plane at a time.
A 3d bishop could never get from 1,1,1 to 1,2,1.
2d bishop moves, any two of the coordinates change while one remains the same. In 3d bishop moves, all 3 of the coordinates change, but 2d bishops will never be able to access a cube where all 3 of the coordinates change in 1 move. Likewise 3d bishops can't access a cube where only 1 or 2 of the coordinates change in 1 move.
Best way to visualize the difference is a 2d bishop can move from (1,1,1) to (8,1,8), (1,8,8), or (8,8,1). But it could never move from (1,1,1) to (8,8,8) in any number of moves.
you might want to use more piece variety
Here's how the planes would be setup:
Plane 1: White Pieces
Plane 2: White Pawns
Plane 7: Black Pawns
Plane 8: Black Pieces