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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 ...
Hauke Reddmann's user avatar
7 votes
0 answers
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 ...
Hauke Reddmann's user avatar
7 votes
0 answers
254 views

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 ...
Therac's user avatar
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4 votes
0 answers
102 views

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 ...
Lucenaposition's user avatar
4 votes
0 answers
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 ...
d-b's user avatar
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3 votes
0 answers
89 views

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 "...
bof's user avatar
  • 3,872
3 votes
0 answers
139 views

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 ...
Laska's user avatar
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2 votes
0 answers
89 views

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.)...
Hauke Reddmann's user avatar
2 votes
0 answers
445 views

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 ...
user25924's user avatar
1 vote
0 answers
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 ...
Matthew's user avatar
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1 vote
0 answers
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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 ...
Aiden Chow's user avatar
1 vote
0 answers
68 views

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 ...
Csoriburi's user avatar
1 vote
0 answers
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 ...
Yash Jain's user avatar
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1 vote
0 answers
94 views

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/...
Hauke Reddmann's user avatar
1 vote
1 answer
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 ...
domotorp's user avatar
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0 votes
1 answer
57 views

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, ...
alices_and_bobs's user avatar
0 votes
0 answers
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/...
alices_and_bobs's user avatar
0 votes
0 answers
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?
Cerise's user avatar
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41 views

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 ...
Cyriac Antony's user avatar
0 votes
0 answers
55 views

Chess960 castling controversy in the 2019 WFRCC: Where can I see the original Nepo vs Wesley So game?

Apparently in the 5th game Ian Nepomniachtchi originally had to play 13. Rf1 instead of 13. 0-0 but then they allowed Nepo to replay the whole game. The ff is the replay game: https://lichess.org/...
BCLC's user avatar
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