# Questions tagged [chess-variants]

Questions about variants of normal chess including bughouse, Chess960 (Fischer Random), atomic chess, racing kings, crazyhouse, antichess, etc. Can be used together with a more specific chess-variant tag, like [chess-960], [bughouse], etc. (see tag wiki for suggestions).

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### A fun game (for problem composers, mostly...)

A game leading to a given position is called a proof game. Of course any proof game can be prepended with 1.Nf3 Nf6 2.Ng1 Ng8, so we defined a shortest proof game as, duh, the shortest possible proof ...
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103 views

### Is "Pawn Pugilism" won for White or Black?

There might be another established word in English (in German it's "Bauernkloppe") for this training lesson for kids, but the rules are simple: Both sides have only the pawns at their usual ...
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### How much would chess change if Black always had the last move?

In a hypothetical minor variant, could White's first-move advantage be compensated for by Black's right to last move? Normally, White wins have White play N+1 plies to Black's N. How would the game ...
• 213
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### King and short rook checkmate

Suppose White has a king and a range-x rook and black has a bare king on a chessboard with dimensions y times y. What is the minimum value of x such that for all sufficiently large y, White, moving ...
246 views

### Why isn't chess played white 1 move, black 2 moves, white 2 moves and so on?

In turn based games like chess, the player playing the first move has an advantage the whole game. One way to "remedy" this is to let the player starting the game make one move (and have the ...
• 259
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### Baroque/Ultima vs. Chess

Baroque a.k.a. Ultima is a chess variant in which all the pieces except the kings have quite different powers than in regulation chess. They all make non-capturing moves like queens (except the "...
• 3,872
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### Analysis of positions with only one king on the board?

Endgame positions with just one king on the board may be very rich. Has any analysis of simple positions done? Maybe even tablebases for small numbers of pieces? There are some existing problems with ...
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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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### Response in antichess to 1. e3 b5 2. Bxb5 Bb7

I've been playing a lot of blitz Giveaway Chess (aka Antichess, etc; a chess variant in which capturing is compulsory, the goal is to lose all the pieces or be stalemated, there is no castling, and ...
1 vote
75 views

### Record stockfish level 8 in atomic?

What is the shortest possible game against Stockfish at its hardest setting in Atomic Chess? You cannot allow the computer to blunder the game on move 1 or 2, otherwise the shortest possible game is 3 ...
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1 vote
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### How to gain a better understanding/intuition in queen races?

In antichess, queen races are when both players have their queens on opposite sides of the board, continually capturing each other's pieces. In my experience playing antichess, queen races are very ...
• 191
1 vote
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### Is any research being done in penguin chess? Especially, is there a tablebase?

First here are the rules for penguin chess. Everything is the same as in normal chess, except: Any piece, except the kings, can move to any empty square. Pawns can't move to the 1st and 8th rank. I ...
1 vote
105 views

### Is white winning in chess with the 1st and 8th ranks reversed?

Here is the position I am referring to: [FEN "RNBQKBNR/pppppppp/8/8/8/8/PPPPPPPP/rnbqkbnr w - - 0 1"] It seems that there are no forced checkmates for white, any f3-Qh4# plans are thwarted ...
• 535
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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1 vote
72 views

### Is bughouse a win for a team with excess time?

In bughouse it is a huge advantage during the game to have more time on your clocks than your opponents. So I wonder what happens if one team starts with a time advantage (from now on called the time ...
• 410
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### Team chess variant where captured pieces carry over to the next round?

Inspired by team chess variants like Bughouse where capturing pieces has an impact on other games, but not everyone is a fan of tactics like waiting for pieces/stalling and time scramble aspects, ...
30 views

### What makes alternative winning conditions good or bad in chess variants?

For chess variants that keep all or most of chess movement rules but with different winning conditions (can be in addition to the normal winning condition or replacing it), what properties/...
146 views

### How bad is Stockfish in Fog of War chess

Since in Fog of War chess you cant see all the board , I think that engines would suck at it.Have there been any attempts on playing engine tournaments under Fog of War chess?
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### Is there a crazyhouse+bughouse chess variant?

I would like to know if the following chess variant or a closely related one exists. There are 4 players, say 1 to 4. Players 1 and 2 form a team and play aginst players 3 & 4 team. Player 1 plays ...
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