Questions tagged [unorthodox-pieces]

Questions about or involving pieces not used in orthodox chess; such as but not limited to the nightrider, archbishop, chancellor, and or amazon. Such pieces are also often referred to as "fairy pieces".

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Chess variants-Anyone recall the name for one that has a “superpiece” with the movements of the queen and knight?

What is the name of the chess piece in a variant game where there is a piece that moves like the queen AND a knight? Is there a name for this variant?
5
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0answers
113 views

16 roses, 16x16 board; maximum double-attacked squares while all 256 squares are attacked at least once?

The rose is a piece that is best described as a "circular nightrider", able to reach up to 32 other squares from the center of a 13x13 area by making consecutive knight jumps in a rotating fashion in ...
5
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2answers
233 views

What is the maximum number of squares 8 queens and 8 nightriders can attack on a 16x16 board?

Including but still obstructed by occupied squares, what is the maximum number of squares on a 16x16 board that 8 queens and 8 nightriders can collectively attack at least once each? Even if attacking ...
3
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2answers
194 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 ...
6
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1answer
260 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, ...
3
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0answers
301 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 +---+
5
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1answer
185 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.)
3
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1answer
315 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 ...
8
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1answer
384 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 ...
7
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2answers
2k views

Could two kings force checkmate against a lone king?

I was looking at minimal combinations of material needed to force checkmate (K+R, Q+B, R+N+N, etc). You end up with a sort of threshold of how much material is needed, and that sort of assigns a ...
5
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2answers
348 views

What is the maximum DTM with K+J vs K?

What is the maximum DTM in the endgame king + janus vs king on a 10x8-board ? The janus can move like a bishop or like a knight. Since both sides have two additional pieces, the board has 10 columns ...
7
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1answer
1k views

Queen with Knight capabilities

I find it interesting that the Queen can move with the same capabilities as the Rook and the Bishop, but cannot 'jump' or move like the Knight, I understand that this would overpower the queen but ...