# Questions tagged [chess-variants]

Questions about variants of normal chess including bughouse, Chess960 (Fischer Random), atomic chess, racing kings, crazyhouse, antichess, etc.

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### How well is a variant in which Black moves first?

Would it be good a chess variant if Black makes the first move instead of White? Notations will change, of course. For example, since Black makes the first move with a king's pawn push of two steps, ...
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### What is the best garden chess set?

We plan to buy a garden chess set for outside at our work facility. It should be mobile which means we don’t plan to build a chess board with stones on the ground. What is a good garden chess set (and ...
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### Least amount of "points" to mate a berserk king

"Berserk king" is my own invention ;). It means that you play according to the normal chess rules, until a king is mated. At that point the mated king is allowed to do TWO moves, in a last ...
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### The best strategy to win Squid Games [closed]

Squid Games. Four players go in turn (while observing each other), move each their own piece (_ wazir) onto one square vertically or horizontally on the 5x5 board (watch the image below). If one ...
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### How do I evaluate the value of every piece in Mathematical Chess?

This is Vietnamese Mathematical Chess— http://cotoan.vnvista.com/rules-en.html The board contains 11 ranks and 9 files. Each side has ten pieces, numbered from 0 to 9. The board initial layout is as ...
1 vote
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### Mating with B+N+handicap

Elsewhere there was a discussion on "pass chess" (instead of making a move you can pass...if you don't happen to stand in check!). There are three sensible rule variants of pass chess: on/...
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### What if white can't capture before black?

Imagine a variant of chess with the simple rule: it is illegal for white to play any capturing move before black has captured a piece. Check/checkmate is unaffected. And white can lose by being ...
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### Is there a strategy to win chess960 games?

Chess960, a variant where the backrank pieces are all randomized subject to a few constraints, is a variant of chess where you cannot really memorize openings. Is there a strategy in chess960 so it is ...
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1 vote
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### Tips for King-of-the-hill (KOTH)

Related This question is about general tips, not just openings Is there any tips for this variant KOTH, which requires the player to bring the king to the center before the opponent, or by checkmating ...
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1 vote
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Does a variant called 3-check, where you have to check the opponent 3 times to win, actually improve your train of thought and analysis of normal chess, or is it close enough to normal chess to ...
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### How can I evaluate a position in 4x6 chess?

For example, here is a 4x6 chess position. Black to move. How can I determine who is winning, and by how much? Rules: Chess variant on a small board. Standard rules apply with the following changes:...
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### Chess with negotiations

I'm new to this forum and don't know if the following question is appropriate. It is of a more general "meta-chess" nature. I wonder if a variant of chess makes sense in which negotiations ...
1 vote
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### Chess against Chuck Norris (starting position with lots of queens)

Just plain silly. Replace all pieces of Black (except the king — you are not Chuck Norris, you must have one) with queens. The starting position is then a Mate in 3 (#3). Challenge: Replace only a few ...
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1 vote
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### Funny chess starting positions

Recently, I found this funny position called Omicron. Are there are any other funny starting positions like this that can be used to have fun with friends? [FEN "2bqkb2/1rppppr1/np4pn/p6p/P6P/...
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### Piece values on nonstandard boards

Inspiration. For the moment, a nonstandard nxn board suffices. Very obviously, with growing n the long-range pieces become stronger with respect to short range ones. (Also, other effects come in play, ...
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### What are the piece values in chess.com's four player chess?

In chess.com's four-player chess, they evaluate the bishop and rook as an equal 5 points. But the geometry of the board is far more diagonal, perhaps making the bishop actually worth more than the ...
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### Elo disadvantage due to one pawn move in Indian Chess

In Indian chess, the pawn doesn't move two squares, however in the western chess, pawn can move two squares. Now, since the pawn can't move 2 in the Indian style, the fianchetto is a natural square to ...
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### Is there a sequence to force a draw in crazyhouse?

I have heard that there is something like a 9 move sequence to force a draw in crazyhouse. Is there such a sequence?
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1 vote
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### Is it possible for the hopper/locust to jump over unmovable squares?

If a board with unmovable squares, such as Chessence, has a Cannon on a1, and an enemy piece on a3, can the Cannon jump over the unmovable square (a2) and capture the target? Normally, a "leaper&...
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1 vote
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### Is it possible to put special pieces on a chess.com custom board?

I would really like to create custom positions with custom pieces (and maybe even variants) to play with my friends because we have always enjoyed playing custom variants. So for example a board with ...
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### What is white's increased advantage in chess90 as compared to chess870? (Chess960 can be split into 2 subsets, chess90 and chess870)

Here, it is shown 90 of 960 positions involve having to move a rook on 1 side in order to castle on the other side (unless the rook is somehow captured or something). These 90 positions come from 18 ...
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### Is there a variant in which any piece can be taken 'en passant'?

The en passant rule for pawns can be thought of as an 'attack of opportunity', such as in D&D - the attacking pawn would have been able to take the moving pawn as it passed through the first space....
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### White is down 3 pawns in opening, but it doesn't seem like white is really losing

Lichess suggests Re3, Nb1, h4, Bf1, and e5 as top 5 moves. Evaluation is within (-0.7, 0.5). I expected it to be the evaluation to be at most -1. What's going on? [FEN "rnbnk1r1/pp1p1p1p/2p1p1p1/...
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### Why don't these statistics disprove white's supposed larger (practical?) advantage in chess960?

I've read that, at least theoretically, white has a larger advantage in 9LX as compared to chess. (See appendix.) This seems to be assumed in practice to the point that in some 9LX tournaments, such ...
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### Looking for the finesse variant rules by GM Walter Browne

I am looking for the rules of chess variant finesse by GM Walter Browne. Here is my research so far. Two youtube videos : https://www.youtube.com/watch?v=nysD5lS4lBI https://www.youtube.com/watch?v=...
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### Is the average online account underrated in chess960?

I'm going to use lichess as an example, but I believe this applies to chessdotcom too. (I think it's better to use lichess as an example anyway because lichess and statistics for Chess960.) It looks ...
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### What is the meaning of 'fighting draw' vs 'draw by theory' in re Chess960?

I remember reading in some YouTube comment that Chess960 will lead to less draws or something. There was a comment response saying that it seems about the same. Then the original commenter replied in ...
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### On an 8-by-∞ board, who wins between an infinite number of pawns and a rook?

I've had this puzzle rattling around in my brain for the past few days and I want to know what you all make of it. Imagine chess played on a board with eight ranks and an infinite number of files. ...
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### Unhinderable long/short castling by White/Black

Assume the goal is that a certain side castles as soon as possible, and the other side wants to completely ruin castling rights. White simply plays 1.e3 2.Nf3 3.B any 4.(5.)capture an interloper 5.(6.)...
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### variant where middle 4 squares aren't used [closed]

A teacher of mine proposed a chess variant to me that he called "border chess," where the middle four squares (d4, d5, e4, and e5) cannot be used. In other words, no piece can occupy one of ...
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### Variant where each pawn promotes according to its file

Somewhere I came across a description of street chess played in India (I think) with a number of non-standard rules. One of them was that when a pawn reaches the 8th rank, it must promote according to ...
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### If the back row of white pieces is moved to be in front of the pawns, which side should I play?

I remember this starting position played many times by my grandfathers. But I am too young to recollect the results of their games. If I have to choose, which side should I play? (White moves 1st)
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### How many Chess960 positions exist in which castling on one side does not require moving the rook on the other side?

Update: It's chess870 (or chess869). See answer. Context/Motivation/Goal: In regular chess, you never have to move a rook (on 1 side) to castle (on the other side). My aim is to see how much of 9LX ...
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Where can I download the PGN files for the World Chess 960 championship from 2019, that was won by Wesley So? I can view the games on the website e.g, https://www.frchess.com/stream but I want to ...
1 vote
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### Name for the "folding magnetic chess set" variant?

Does anyone know the name of the chessboard variant where you fold a standard board along the line between the d-file and e-file, to get a double-sided 8x4 board? A piece on top can move past the edge ...
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### If repetition loses, who wins KvK?

Suppose we're playing a version of chess where you lose if you repeat an earlier position (position = arrangement of pieces + who's move it is). We're down to the wire, and we've just arrived at the ...
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### Is an early "normalization" of the position in Chess960 a sign of good quality game?

First let us start with two definitions. Definition #1: A position is said to be normal if there exists a sequence of legal moves from the classical starting position which lead to this position. ...
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### Are there any tri dimensional chess rules utilising traditional starting positions?

I have a tri dimensional chess game for my phone which let's the player select different rule sets to play by. They all start with the king and queen on the attack boards which I find incredibly ...
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### Would bishops be stronger or weaker on the same coloured squares?

Assuming one or both players makes a mistake and transposes a bishop and the adjacent knight when setting up the board, would this help or hinder them? The answers to this similar question suggest it'...
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### How can I load a position without kings into an engine?

I would like to be able to do load a position into a whatever possible (advanced) engine without kings. For example, the goal of the game would be to annihilate all the possible pieces instead of ...
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### What are the origins of Hand & Brain chess?

I was recently leafing through Pritchard's Encyclopedia of Chess Variants when I noticed that the variant Hand and Brain which has recently become popular, in which one player states the piece to the ...
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### In Hand and Brain chess, is the stronger player generally preferred to be the hand or the brain?

Exactly what it says on the tin, as the British say: In Hand and Brain chess, is the stronger player generally preferred to be the hand or the brain? And secondarily: Is the answer to the previous ...
1 vote
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### How do convert/parse/extract data from a PGN into a spreadsheet/google sheet/excel file?

Sequel to this question: Live statistics chess960 from chess.com? So suppose I go to like https://api.chess.com/pub/player/gmwso/games/2020/12 or https://api.chess.com/pub/player/gmwso/games/2020/12/...
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### Chess480: Why 480?

From wiki: Lewis has named this chess variation "Chess480"; it follows the rules of Chess960 with the exception of the castling rules. Although a Chess480 game can start with any of 960 ...
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### Live statistics chess960 from chess.com?

Cross-posted stackoverflow, but nothing. Both lichess and chess.com have the feature to play the variant chess960 live. However, only lichess has a graph showing how your live chess960 rating has ...
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### Are there Chess variants or problems using this particular piece?

The piece I am asking about is the combined jumper (0,2)(0,3)(2,2)(3,3) or the combination of Dabbaba, Threeleaper, Alfil, and Tripper. It is used under the name Hawk in the recent Chess variant ...
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### Winning percentage (white win/draw/black win) in chess960/9LX in 2021?

How does the winning percentage (white win/draw/black win) in chess 960 (Fischer random) compare to that of regular chess? The above was asked here: Winning percentage in chess 960. I would like to ...
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### 5D Chess - Why is white king not in check in this position?

Why cannot black rook on c5 in the bottom timeline capture the king on c5 in the top timeline? Why is the king not in check?
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### Can you solve this chess problem of a lone knight against numerous opposing pieces?

[FEN "8/1nq5/bppp4/1p1k1K1N/1rrp3b/2pp2p1/8/n7 w - - 0 1"] I found this interesting and unique chess problem online. Disclaimer: This is not necessarily a position from a game. It's just a ...
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