Questions tagged [chess-variants]

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

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23
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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 ...
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6answers
1k views

How to determine the value of a piece from scratch?

Assume we have a standard chess set setup, but we make a slight change so that (for example) pawns can now move two squares forward on any move rather than just on their initial move. Even assuming ...
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2answers
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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 ...
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4answers
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Is there any position where not promoting(illegally) would be the best move?

Is there any position, where moving a pawn to last rank but not promoting it to any piece would be the best move? By the way, I know this is an illegal move. Assume it is legal. Edit: Now we have a ...
18
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1answer
14k views

What are the rules of Quantum Chess?

The game Quantum Chess, as seen in the video where Paul Rudd defeats Hawking, has no "set of rules" written down. You either have to do the in-game tutorial, watch a video on the game and pick them up....
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5answers
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Bizarre pin rule: pinned pieces do not attack

I found this guy who likes playing chess, but not enough to bother reading the rules; he only plays using a physical board with his sister (she doesn't know the rules either). The made up rule was ...
16
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3answers
1k views

Are there any chess 960 positions where black has the advantage?

I've heard it said that some chess 960 positions have a significant advantage for white, usually involving fast attacks against undefended pawns. However, since zugzwang positions do exist, it's ...
16
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3answers
602 views

What material handicap would be required to compensate for a single double-move?

Consider the following chess variant: Black can, once per game, make two moves in a row (the second move may not capture the King) To compensate for this advantage, Black gets a material handicap ...
15
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2answers
645 views

What other games or chess variants are useful to improve your chess skills?

I know about Chess960, and you can play that online at lichess.org. Furthermore, I like playing Go as well. But are there any good variants and other ways to train that you use, and you know to work ...
15
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3answers
4k views

Crazyhouse/Bughouse openings

Are there any known or "standard" openings in bughouse or crazyhouse chess? Obviously, as soon as pieces start coming off the board things get less predictable, so this question is less about the ...
14
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7answers
855 views

Resources on chess variants

While posting this question, I stumbled on this list of variants from Wikipedia, which I must admit is totally awesome. I know a few online servers allow a few variants, but am not aware of places ...
14
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8answers
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Shorter game for play with kids

I am teaching my children (5 and 7) to play chess, and we are pretty much at the which piece can move where phase. However while they do enjoy the game, they don't really have an attention span that ...
13
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5answers
818 views

Is Chaturanga/Shatranj an early form of chess or is this altogether different?

I had heard from someone that Chess evolved from Chaturanga then Shatranj. Are there any pointers towards this? I would like to know counter arguments as well, if any.
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5answers
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Tactical difference between chess and Chinese chess

Is there any difference in tactics between chess and Chinese chess? If so, which one is the most fun? What are the important things to learn from it?
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3answers
1k views

Is the pawns-only variant a draw?

In the pawns-only variant of chess, each side starts with 8 pawns and a king on the usual squares, no pieces, with other rules being the same as in regular chess, including promotion. While general ...
12
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2answers
586 views

How to weakly solve Tiger Hunt, Atlantis Chess and Peasants' Revolt

Tiger Hunt is a chess variant where an entire army without a queen fight against a royal amazon (tiger, queen+knight). I believe it is certainly a win for the army just like Marahaja and Sepoys. I ...
11
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3answers
430 views

Is the result in mini-chess known with perfect play?

I do not know, if "mini-chess" is the official name of the game I am talking about. In mini-chess, the players only start with the pawns (In particular, there are no kings!) The players play the ...
10
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2answers
1k views

What “double moves” are sometimes considered legal?

As we know, castling is a legal "double move," where two pieces are moved at once. But in my country, Indonesia, in my childhood, the opening below was an 'assumed legal' double move to counter 1.e4 ...
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3answers
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Why did Kung Fu Chess shut down?

Kung Fu Chess, a chess variant in which there are no turns (everyone can move at once with a time delay for each piece), began in 2002 by Shizmoo games, and the website suddenly went offline in 2008 ...
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3answers
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Why can't a dropped pawn deliver checkmate in Shogi?

In discussion surrounding another recent question, the fact came up that a "dropped" pawn in Shogi isn't allowed to deliver immediate checkmate, whereas any other type of piece can be dropped to ...
10
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3answers
957 views

About Alan Turing and chess

I read Turing had some algorithm or method he could use to play chess 'against' this pen and paper algorithm assigning certain numerical values to each piece. Is this true? Is there a pen and paper ...
10
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1answer
3k views

Is there software that simulates the Tri-D or 3-D chess as seen in Star Trek?

I want to try this game without making/buying a board and it is easier to learn to play when the computer can prevent invalid moves. Does any software, preferably freeware, exist which simulates this ...
10
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2answers
325 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 ...
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2answers
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What are the best openings in Antichess?

I am experiencing Antichess and it's more forcing than normal chess. What are the best openings for white ? Is there any winning opening whatever the black does respond? Antichess, according to ...
9
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2answers
1k views

How do computers play three-check chess?

How do computers evaluate three-check chess positions where the first side to check the other side three times wins? How do they value the first and second checks? It looks like the position ...
9
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4answers
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Where can I get a nice set for Capablanca chess?

Because I'm odd, I'm interested in obtaining a nice-looking set (that need not be portable) for Capablanca chess, the third world champion's chess variant which is played on 10 x 8 board and features ...
9
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2answers
275 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 ...
8
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3answers
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Has loser chess been solved?

Loser chess has a benefit of sorts. There are many turns where moves are forced. So my question is, has it been solved? I'd say that the move tree is much smaller than chess. If not: How much would ...
8
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2answers
3k views

About the 3D chess they play on Star Trek

They play a type of 3D chess on Star Trek ( the 60's series) not on a 8x8x8 3D board but on some smaller variation. Yet the game as they have it is supposed to be complicated. Are there real rules and ...
8
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2answers
587 views

A list of chess variants and their popularity

How many chess variant are there? (Apparently a lot.) If possible could you include the popularity of each variant and its major event. For example, I know that there's a US bughouse chess ...
8
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2answers
289 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 ...
8
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1answer
309 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 ...
8
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2answers
293 views

Looking for a chess variant with a circular board

I am looking for a certain chess variant played on a circular board. The variant is played with the usual chess pieces (no fairies involved) on a peculiar circular board. The central part of the ...
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2answers
2k views

How to defend from the crazy knight attack opening at Nf3 …, Nd4 in Atomic chess?

Here's a game of Atomic chess I played with a friend. As you may see, neither of us are very good at Atomic chess and the game ended in under twenty moves. [FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/...
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5answers
610 views

What chess *scoring* alternatives exist?

Chess (often being classified as a sport) stands almost alone among sports in that its results are of a strictly ternary nature that is not quantified any further: The only possible outcomes are a win,...
7
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2answers
210 views

Alternative versions

Are alternative chess rules/styles considered favourably by the main chess community? To be more specific I mean games like 3D chess (as seen in Star Trek) or landscape chess, as explained here: http:/...
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1answer
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Major Chess 960 tournaments?

Does anyone have any information about upcoming Chess 960 tournaments at the top level (i.e. GMs and IMs)? Even links to/information about past, major tournaments would be appreciated. I recently ...
7
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2answers
287 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 ...
7
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1answer
336 views

Did Indian systems really have fianchettos?

Wikipedia quotes: The Indian Defences by g6 coupled with d6, or b6 coupled with e6, were largely taught to European players by the example of Moheschunder and other Indians, to whom the ...
7
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1answer
242 views

Recent research, or analysis sites, about some chess variants?

I would appreciate some links to recent (within the last 8 years) chess variant analyses and research. As to standard chess it seems like the source code for a lot of the computer chess programs ...
7
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4answers
528 views

What is this battleship-style chess variant called?

So I've recently built and published a chess app, targeted at club chess player (like myself). The goal of the app is to educate and make chess more accessible. I'm working on an update. One of the ...
7
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1answer
490 views

Antichess pawn promotion

The rules of antichess specified in Wikipedia state that the rules of regular chess should be followed except Capturing is compulsory. When more than one capture is available, the player may choose....
7
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0answers
145 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 ...
7
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2answers
3k views

Horde Chess Guide?

I have recently discovered Horde Chess on lichess.org and was wondering if there is somewhere a online guide on some openings or on some general tactic? I'm really a beginner in general chess itself ...
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5answers
3k views

What are the best scoring openings in chess 960

I don't play chess 960, or Fischer's chess. I've seen a lecture or two about it, but I was never interested. Last week I was a bit bored so I decided to participate in a chess tournament on chess.com....
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5answers
2k views

In the game of shogi, what is the meaning of “sabaki”?

I'm reading the book Sabaki at a glance by Madoka Kitao. It's a very nice book with many good examples one can learn from. The problem I have is that I am left with only an intuitive understanding of ...
6
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3answers
2k views

How is a computer programmed to play chess? [duplicate]

How is a computer programmed to play chess? What are the ways by which they sort out the moves? My question is not about programming but the idea behind programming to play chess. That can really help ...
6
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2answers
878 views

Mate Prevails - Chess Rule

Is "Mate Prevails" not an FIDE rule? I couldn't see it in the FIDE website but I heard about it from many players. UPDATE: "Mate Prevails" is a claim some players make that they win the game after '...
6
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3answers
264 views

Take away which pawns?

In a hypothetical variant of chess, before the start of the game black is allowed to remove one white pawn and one black pawn. Which pawns should they remove? The pawns don't have to be on the same ...
6
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1answer
612 views

Other than Fairy-Max, is there a variant [fairy] chess engine that is compatible with XBoard?

Fairy-Max (which ships with the XBoard package) can play variant chess. Is there any other XBoard-compatible engine that also plays variant chess (and runs on Linux or *BSD)?