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Uplifting 3d Chess Rules

Uplifting 3d Chess Rules

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Before reading about how the pieces move you may want to read about fairy chess pieces (here), and read the part about riders, and leapers and how they are denoted, and that is how I will denote the movement of some of the pieces.

The game takes place on an 8*8*8 board, with 8 files, ranks, and levels.

The Rook denoted with R is a (1,0,0) rider.

The Bishop denoted with B is a (1,1,0) rider.

The Jedi denoted with J is a (1,1,1) rider.

The Lord denoted with L combines the movement of the Rook and Bishop.

The Sith denoted with S combines the movement of the Bishop and Jedi.

The Chancellor denoted with C combines the movement of the Rook and Jedi.

The Queen denoted with Q moves any number of cells in any direction and so combines the movement of the Rook Bishop and Jedi.

The King denoted with K can move one cell in any direction.

The Knight denoted with N is a (2,1,0) leaper.

The Falcon denoted with F is a (2,1,1) leaper.

The Eagle denoted with E is a (2,2,1) leaper.

Finally the pawn denoted with p, with the exception of it's first move, moves one cell straight up, and captures on any cell that is both one cell up and next to the cell that is one cell straight up.  On a pawns first move it may move one or two cells straight up.  En Passant is allowed

The board is arranged as follows, with the levels arranged from top to bottom.

The coordinates in the board are denoted first by the file, then the rank, and finally the level a cell is in.  So for instance the white king starts at a4L1.

Other than there being an additional dimension to coordinates, and there being some additional pieces compared to standard chess, the notation of moves is the same as in standard chess.

Also Castling is allowed and involves the king moving two cells towards the rook and the rook moving to the cell that the king crossed through.

Any of the four rooks can be used for castling, and the four types of castling moves are denoted as  O-O, O-O-O, O-O-A, and O-O-B

The position position seen immediately after the castling denoted by O-O using the h1 rook is as follows.

The position seen immediately after the castling denoted by O-O-O is denoted as follows.

The position seen immediately after the castling denoted by O-O-A is as follows

Finally the position seen immediately after the castling denoted as O-O-B is as follows.

For the castling denoted as O-O, and O-O-O the requirements are the same as in regular chess, while for the castling denoted as O-O-A, and O-O-B the only difference in requirements from standard chess is that they are still allowed if there are pieces between the rook's starting starting cell and the cell the rook lands on, however the cells the king and rook land on must still be unoccupied in order for O-O-A or O-O-B castling to be allowed.  Also a king and rook must be on the same level in order for castling to be allowed.

When a white pawn reaches Level 8, or a black pawn reaches Level 1 the pawn must promote, and may promote to any of the pieces I mentioned previously except for another pawn, or a king, and must remain the same color after promoting.

As in Standard Chess staying in check, and moving into check are not allowed, and if a player is in check, and cannot get out of check he/she is checkmated and loses the game.

After 250 moves without a capture or pawn move the game ends in a draw, unless the final position happens to be a checkmate.

As in Standard Chess if there is a 3 fold repetition, stalemate, or it's found that neither player could checkmate the other by any sequence of legal moves the game ends in a draw.