Duck Chess
Duck Chess was invented by Dr. Tim Paulden in 2016, and has become quite popular since then. It belongs in the same class as Refusal Chess and Blue Chip Chess. But rather than forbidding opponent moves outright or by declaring a destination square 'out of bounds', moves are blocked by placing an uncapturable and unpassable obstacle ('the Duck'), similar to the Stones in Eight-Stone Chess.
Setup
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satellite=wizard
files=8
ranks=8
symmetry=none
graphicsDir=/membergraphics/MSteammatechess/
graphicsType=png
whitePrefix=w
blackPrefix=b
lightShade=#ffcc9c
darkShade=#cf8948
rimColor=#000000
coordColor=#ffffff
holeColor=#000000
squareSize=49
firstRank=1
borders=1
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promoChoice=NBRQ
maxPromote=1
royal=K
enableAI=0
pawn:P:ifmnDfmWfceF:pawn:a2,b2,c2,d2,e2,f2,g2,h2,,a7,b7,c7,d7,e7,f7,g7,h7
knight:N:N:knight:b1,g1,,b8,g8
bishop:B:B:bishop:c1,f1,,c8,f8
rook:R:R:rook:a1,h1,,a8,h8
queen:Q:Q:queen:d1,,d8
king:K:KisO2:king:e1,,e8
ducky:D:U:ducky:c5
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Pieces
All white and black pieces move as in orthodox Chess, with the limitation that they should move as if the Duck a friendly piece: they cannot move to its location, and sliders cannot move beyond it.
After each such move the Duck must be moved to another empty square. It can move to any such square, but it cannot stay on the square it already was.
Rules
There is no check in this variant; you win by capturing the enemy King.
This also means that you can castle even when your King is under attack, or must pass through a square that is under attack.
Otherwise all FIDE rules apply
Notes
In general the Duck would be placed to prevent the opponent's best move. Sometimes this is not possible (e.g. if that best move would be a contact capture, or there are several equivalent moves). An alternative strategy is to place the Duck on a square in order to 'reserve' your own move over that square for the next turn: the opponent must than move the Duck elsewhere, so you can be sure the square will be empty. This can be useful if the move you want to play next can only be blocked on a single square. (Otherwise the opponent would simply move the Duck to another square where it can be blocked, and you still cannot play it.) Even if moving the Duck away would expose his King to capture, he still would have to do it!
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.
Author: H. G. Muller. Inventor: Tim Paulden.
Last revised by H. G. Muller.
Web page created: 2023-01-02. Web page last updated: 2023-01-02