Fluidity Chess
I've created this variant for Lichess (free libre chess site with millions of players), but its developers don’t need it now. I've written it here.
Setup
Standard chessboard and setup without pawns.
Pieces
All pieces can't move to occupied square. They can make check only on their move destinations (to explain this, it's said that they can throw a knife in foe king). They capture by dissecting — going through all the opponent's pieces to the free square behind them.
Bishop
- He moves & checks as in chess, unobstructed diagonal line;
- he is ranger and captures the opponent’s pieces by dissecting them and moving to any free square behind them;
- as ranger, he can capture up to 6 pieces per turn;
- he is colorbound;
- he can't move through friendly pieces;
- and he can't capture a piece which stands on the edge of the board.
Knight
- He moves & checks as in chess, L-shape;
- he is leaper and captures pieces which are in 1 and 2 squares orthogonally in direction of this move (as we learn his moves, 2 squares straight in one side, 1 in other; and first 2 squares are under dissecting capture there);
- as leaper, he can capture up to 2 pieces, and checks so differently than captures;
- so he can jump over friendly pieces (without dissection of them);
- and he can capture a piece which stands on every square, even on the edge or corner of the board.
Rook
- She moves & checks as in chess, unobstructed orthogonal (straight) line;
- she is ranger and captures by going through the pieces to any free square behind them;
- so she can capture up to 6 pieces;
- can't move through friendly pieces;
- can't capture piece which stands in corner;
- but can capture a piece if it's on the edge of the board;
- and can capture during the castling (see later).
Queen
Exactly, Bishop + Rook, she is ranger and can capture up to 6 pieces which aren't on the corner; she can't move through friendly pieces.
King
As in chess, 1 square in arbitrary directions, but doesn’t capture by himself because he can't dissect, and by this, two kings can be near each other, due to being not in check. (So you can checkmate or stalemate opponent’s king near your king by your another piece(s)). Castling: you can castle if:
- your king and rook haven’t moved yet;
- your king isn’t under check;
- your castling path is empty or isn't under check; or
- you have opponent’s pieces between king and rook, but not in row. (If you have foe pieces on b & d files, you can castle queenside yet).
and if you castle through them, you capture them — up to 1 piece by castling kingside, and up to 2 if queenside, and castling can capture only minor pieces, i. e. Bishops or/and Knights. (King can capture only during the castling.)
He is royal, but can't be captured by displacement, he simply must avoid check and prevent dissecting capture of him.
Rules
Your aim is to checkmate the opponent's king or capture him by dissection if:
- opponent will block the path of check after your move, and his king will be behind his own pieces (and behind the king must be any free squares);
- or do it by your knight.
So stalemate is loss of player without legal moves.
Draw is available if:
- only 2 kings & 1 bishop left on the board;
- or there is 2 kings & 1 another piece, and 30 moves without checkmate/stalemate/capture.
2 kings and 1 knight left is not automatic draw.
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By Lev Grigoriev.
Last revised by Lev Grigoriev.
Web page created: 2022-07-25. Web page last updated: 2024-03-16