Questions tagged [chess-variants]

Questions about variants of normal chess including bughouse, Chess960 (Fischer Random), atomic chess, and antichess.

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1answer
105 views

Are 'Conveyor Belt' Chess variants studied?

A 'Conveyor Belt' Chess variant is where rows (And the pieces on them) of the chessboard move left, right, up or down based on different criteria. I've not seen or heard of a chess variant where rows ...
6
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0answers
130 views

What would chess openings be like without castling and/or the double pawn move?

Chess has a fairly elegant set of rules, but it has two rather ugly "rules hacks" in it: Pawns can move two squares forward, but only on their first move, and have the rather ugly rule of en passant ...
5
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1answer
218 views

How is endgame theory developed?

First of all, I am explicitly not asking for a list of endgame principles, nor am I asking for resources to study endgames from. My question is: How does one develop endgame theory? The main ...
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2answers
160 views

Fairy endgame statistics for KDDDDvKN (D=dabbaba; '2,0' leaper)?

The dabbaba is a '2,0' leaper fairy piece, only able to ever reach a quarter of the squares on the board. According to the linked Wikipedia page, a quartet of them can apparently "easily" force mate ...
7
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0answers
141 views

Chess database software for variants

For regular chess, I use SCID and it works well. It has database searches, position searches, player stats, and a nice compact file format (i.e. not PGN, which is inefficient and big). Is there any ...
8
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2answers
261 views

Openings in King of the hill

As you probably know, "King of the hill" (KOTH) is a variant of chess where one can win either like in classical chess or by putting the king in the central squares, namely d4, e4, d5 and e5, by a ...
3
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2answers
171 views

An objective measure of the difference in strength between top programs and top human players in the four most popular forms of chess?

Is there an objective measure of the superiority (or otherwise) that the strongest computer programs enjoy over the strongest human players which can be compared across the four main forms of chess, ...
4
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2answers
1k views

Where can I play Quantum Chess online for free?

I saw some videos featuring a chess variant called Quantum Chess on YouTube. It looked very interesting to me, so I decided to try to find it online for free, but I couldn’t. Does anyone know of such ...
5
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2answers
167 views

Studying why Gardner's Minichess Variant is solved?

I recently came across an interesting article that proves Gardner's Minichess is solved (2013) and the theoretical result is a draw. Might studying why Minichess is a theoretical draw help me better ...
3
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1answer
230 views

Is there a winning strategy for Losing chess?

Losing chess has been proven to be a win for white, with the opening move 1. e3 The proof consists of a number of huge game trees which show that each variation must end in a white win, but is there ...
6
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1answer
182 views

Would certain checkmates be possible if the king could move into check?

Similar to a previous question of mine, let's suppose there's a piece that moves like the king, but isn't restricted from moving into check. While a normal king and two knights can't force checkmate, ...
10
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2answers
318 views

Is a “Strong King” handicap really as powerful as is claimed?

Wikipedia quotes an analysis by GM Harry Golombek (from Golombek’s Encyclopedia of Chess, Crown Publishers, 1977, p. 218. I do not have access to the source) where he lists possible handicaps, in ...
2
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1answer
165 views

What's the point of attack board inversion?

In tri-dimensional chess some rule sets allow for the attack board to be moved from the peg on top of the main board to the peg on the underside (as long as the attack board is unoccupied). What is ...
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1answer
63 views

Are there starting positions in dobutsu shogi that are farther from a win/loss than the standard one?

In dobutsu shogi, the usual starting position is a loss for the beginning player in (at most) 78 turns (from first move until (and including) lion capture or ascension). But are there perhaps other (...
0
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1answer
83 views

What is the value of most starting positions in dobutsu shogi?

In dobutsu shogi, the usual starting position is a trébuchet or full-point mutual zugzwang position, but other likely (starting) positions can have a completely different value. If we arrange the ...
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4answers
5k views

Is there a balanced chess system where players of unknown skill can have an equal chance of winning?

Is there a chess system where you can make players of differing skill levels compete against each other with an equal chance to win without using different chess variations? This system should give ...
2
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0answers
208 views

Is this a sound elephant offer?

In the following dobutsu shogi position, is Gc3xc2 a bad move? ABC +---+ 1| | g 2|lce| 3|E G| 4| L | *C +---+
0
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1answer
109 views

Crazyhouse Chess: Playing with a real board and overall popularity?

Played a decent amount of bughouse but only started with crazyhouse a month or less ago. Although on the surface very similar games, I would say they are fundamentally different because there is no ...
4
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1answer
122 views

Fairy chess: KNNvK

I just wondered: can K + 2 nightriders force a mate against bare K? (A nightrider can make an unlimited number of knight moves in any direction - it cannot change direction partway through its move.)
2
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1answer
128 views

Why are three chess sets needed for Kriegspiel and dark chess?

Wikipedia states that three chess sets are needed for Kriegspiel and dark chess. Is that actually true? I can see how having three sets would make things a lot easier, but couldn't the referee simply ...
4
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3answers
138 views

Multi (N>3) dimensional chess designs

I was wondering whether anyone has ever designed chess rules for more than 3 dimensions. At that point you wouldn't be able to visualize the play using one board. And you'd instead need to to use 8 3-...
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2answers
267 views

Is it possible to give two more checks here?

If the knight moves then is it possible to give check mate? I have already given one check. I was playing a game of "3 check". How can I get two more checks? Is it not possible? 3 check is a mode in ...
2
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3answers
170 views

Pawns VS pawnless?

I'm writing a story where because of the character's vanity says "you can have pawns but I don't need them, they are beneath me." In such a game who would have the advantage?
0
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1answer
293 views

What is the best strategy for simultaneous blindfold chess?

Recently, Timur Gareyev displayed tremendous prowness by playing many boards blindfolded. What is the best strategy to visualize each and every board? I already know the basics, like splitting the ...
4
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2answers
225 views

15x15 squared board [closed]

My brother and I made this 15 by 15 squares chess board that uses two sets of pieces minus a pawn and king for each color. We have already played a game and find it extremely fun and interesting, but ...
3
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1answer
158 views

King of Chess 960

As you know, in Chess960, the first and eighth rows are symmetric and consist of the normal pieces which have be permuted. The only constraints are that the King is between the two Rooks and the ...
3
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2answers
251 views

Marshall vs. Queen Endgame

In a game of "Sort of Almost Chess", the variant from Mr. Betza that replaces one of the queens with a Marshall (the Rook+Knight compound, also known as the Chancellor, or the Empress in Fairy Chess ...
5
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3answers
181 views

two or three initial moves = win?

you have to play a game with the following rule : white can initially play two moves, then one move each side as usual, and a draw counts as a victory for black. Which side do you choose ? (say ...
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1answer
144 views

What will replace chess? [closed]

Chess is dying. That much should be obvious. As predicted by Capablanca and as concluded by Bobby Fischer.... These are not random cranks, these are two of the best players of all time, and here are ...
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1answer
69 views

Move my king to check [duplicate]

My rook was targeting the opponent's king but her knight was in between I moved my knight to the check place checked by same knight Can I move my king to that place
2
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2answers
173 views

Simul in which the GM has to make identical moves

Consider two simultaneous matches in which a GM plays against Players A and B, constrained by the rule that the GM must make identical board moves in both games. Players A and B can play as usual. ...
5
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2answers
1k views

How different would chess be if a stalemate was a win? [duplicate]

Historically stalemate has been handled in different ways. I wonder how different chess would be if it was a win for the stalemating player. Has enough thought been put into this so that it's ...
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2answers
284 views

How likely is it that a non-orthodox promotion is optimal?

Under promotion is an interesting aspect of chess, but there are other possibilities that aren't allowed under modern rules. One is the so-called "dummy pawn", as this question discusses: When (if ...
20
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2answers
4k views

Chess960 or Chess959?

Once in 960 times, chess960 should just be the same as regular chess. Are there any known instances of this? Or is this selection automatically excluded and they just roll the dice again? So is it ...
4
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1answer
445 views

Four player chess (team): is there some opening theory written somewhere?

I am an active player on four player team chess on chess.com (my Elo is currently 2095). I am planning to write something about theory of opening of this chess variant. Question is, do you know if ...
9
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2answers
267 views

Does the chick promotion rule in dobutsu shogi really matter?

In dobutsu shogi, the chick (Japanese pawn) promotes to a chicken (Gold general). In my experience this promotion occurs only rarely and I suspect after much blundering. Does the chick promotion rule ...
3
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1answer
167 views

Rejected game variant for adding a new chess piece

Some time ago İ had a book on chess, that proposed new chess variant invented by some guy, in which a new chess piece was added. so instead the usual 8 by 8 board would get replaced by a bigger 9 by 9 ...
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2answers
408 views

Analysing Crazyhouse Games

I have recently started playing crazyhouse on chess.com. For my normal chess games, I download my chess games in PGN format. Then open them up in chessbase 13 and from within chessbase load up the UCI-...
4
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1answer
218 views

Sacrifice a pawn to reorder the pieces

Consider a chess variant which plays exactly (*) as chess except that the players have a special option for first move. White can, instead of moving a pawn/knight as its first move, sacrifice any of ...
3
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1answer
289 views

Is there a Kriegspiel android app?

I'm looking for an android app for a variant of chess which is called Kriegspiel. (https://en.wikipedia.org/wiki/Kriegspiel_(chess)) I don't expect any PvP app but I'd satisfied with PvC app. (OK; I ...
8
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1answer
306 views

Amazon vs Chancellor endgame

Many online sources (such as Wikipedia) state that the endgame of amazon (piece that moves like Queen and knight) and chancellor (piece that moves like rook and knight) is a draw. I did some ...
1
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1answer
121 views

Variant chess effect [closed]

Variant chess is a relaxing break from standard chess. But in my chess club we are usually discouraged from playing such chess. I have not seen any visible problem in my games. Can anyone tell me why ...
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1answer
123 views

What is a good defensive repertoire against a d4 opening? [duplicate]

I've been looking for a good response to a d4 opening. All the repertoires I've studied are against e4? Any suggestions, thanks
4
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2answers
555 views

Losers Chess variant engine

Is there a strong Losers chess variant engine? I had a look at stockfish, but it doesn't support Losers chess, seemingly. (to be used on a Linux platform)
4
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4answers
611 views

which chess variant has the largest board?

the largest I could find was double chess 16x12, is there a variant with a bigger board, doesn't have to be a variant in which chess pieces follow their orthodox movement rules?
2
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2answers
97 views

Multimove variant rules with queen that does two moves in one

I recall playing a multimove variant special rules chess game where one player (say black) has all the usual pieces, while the other player has just a queen that can do two moves in one. So the queen ...
0
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1answer
132 views

How to checkmate in an altered version of chess

If you know the name of the chess variant I'm trying to describe, please leave it in the comments. My friend and I have concieved an (most likely already thought up, nevertheless very fun) idea of ...
1
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1answer
378 views

What are some ways to get better at Antichess?

I have recently found out about a new chess variant called antichess. I was wondering how to get better at it. Are there any opening moves or strategies in antichess that might help beginners in this ...
3
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1answer
423 views

What is the best way to improve Crazyhouse or Bughouse skills?

I have been playing Chess variants for a while now, and I would like to know how to improve my skills in bughouse and crazyhouse. Does anyone have any tips or strategies that would apply to either? ...
2
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1answer
435 views

Chess960 tips and strategies

I have recently stared to play chess variants, and I want become better at them. Are there any strategies for chess960 given that the piece placement is random each time?