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This page is written by the game's inventor, Lev Grigoriev. This game is a favorite of its inventor.

Fluidity Chess

You’ll probably tell that it’s plagiarism beacause it’s hybrid of chess and draughts, but have you seen it with standard board, many captured pieces per turn, standard pieces and (probably) able to be on Lichess (free libre chess site with millions of players)? 

I did it for Lichess, but they don’t need it now (for 1 year minimally). I write it there.

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 can't capture by displacement. They capture even better: by dissecting — going through all opponent's pieces which are not on edges of their movement (behind the pieces are being captured by dissection must be at least one free space).

Bishop

He moves and checks as in chess, unobstructed diagonal line; so he is ranger and captures the opponent’s pieces as ranger, 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 and checks as in chess, L-shape: 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 there first 2 squares are under dissecting capture). As leaper, he can capture up to 2 pieces, and checks so differently than captures. So he can jump over his own 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 and checks as in chess, unobstructed orthogonal (straight) line, and captures as ranger by going through the pieces to free squares. 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, 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:

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.

 

Rules

Your aim is to checkmate the other 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.

So 2 kings and 1 knight 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

Revisions of MSfluiditychess