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MatPlus.Net Forum General What is the name of this piece?

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### What is the name of this piece?

What is the name of the piece which moves like a knight but to capture needs a hurdle on its orthogonal square (alternatively a hurdle on the diagonal). This should be actually be the chinese knight (being similar to Leo, Vao, Pao), but we have adopted the Mao. The Nao is of course the chinese version of the Nightrider.

I'm not sure that there is any such piece. If you wanted to solve a problem that uses this piece then you might be able to do so in WinChloe by defining a new fairy piece.

The new piece is almost the opposite of the Argentinian piece the Saltador, which can move without capturing to the same squares as a Knight whenever either of the intermediate squares is occupied; and can capture on the same squares as a Knight whenever either of the intermediate squares is empty.

The main difference between the new piece and the Saltador (besides having the capturing/non-capturing moves reversed), is that the Saltador is like a combined Mao/Moa. Perhaps the new piece should also be defined in this way?

Thanks Geoff. Stephen thought that the piece is called CAO. But I couldn't find a definition of CAO in his glossary or elsewhere. If it is new, what would be a good name?

CAO is the Marine Knight. Because of the similarity to the Saltador, perhaps "Saltando" or "Salto" would be a suitable name? However I prefer "Seetho"!

😃

How about naming it Colto or Ponyo?

Do you want one piece (like a Saltador) or two pieces (like Mao/Moa)? I quite like the name "Colto". If you want two pieces then the other piece could be "Ponyo". Another possibility is "Fillyo"

Well, it's a Moose that can go only one square orthogonally, from what I see. So I am surprised it doesn't exist yet?

It's not a Moose, because it can make non-capturing moves without using a hurdle.

It makes normal moves only if there is no hurdle. Shankarrram rightly said that it moves like knight but captures like Mao/Moa hopper.

I think the name of this piece is "Knight / Mao-Grasshopper Shooter".

"Knight mover/Mao(or Moa) Hopper capturer".

I propose that 3 new pieces be defined as follows:

(1) PONYO
Moves without capturing to the same squares as a Knight whenever at least one of the intermediate squares is empty; and can capture on the same squares as a Knight whenever at least one of the intermediate squares is occupied. (This is the opposite of the Argentinian piece the Saltador.)

(2) COLTO
Moves without capturing to the same squares as a Knight whenever the orthogonal intermediate square is empty; and can capture on the same squares as a Knight whenever the orthogonal intermediate square is occupied.

(3) FILLYO
Moves without capturing to the same squares as a Knight whenever the diagonal intermediate square is empty; and can capture on the same squares as a Knight whenever the diagonal intermediate square is occupied.

Thanks Geoff for this suggestion. Hubert Gockel however reports that the Cao2 as defined in the Die schwalbe (glossary?) looks like this piece. So it is already existing:
https://www.dieschwalbe.de/lexikon.htm#sectionC.

His translation is:
Cao 2: Version of a Knight in the sense of the chinese Chess. Moves like a Knight, captures like a Knight-hopper, meaning one (or both) intermediate squares need to be occupied.

But I believe allowing it to capture when either of the adjacent squares is occupied does not really differentiate it much from a normal knight, as a CAO2 at 'a1' can both move and capture on 'b3' when either b2 or a2 is occupied (the difference arising only when both are blocked). I believe it is of not much use in practice.

The new pieces should be only the Fillyo & Colto, restricting their movement through laterial or Diagonal (and not both). Perhaps it is better to call them Mao2 and Moa2.

Even better would be to have the new piece Colto forced to move only through the long lateral squares so that a Colto on a1 should move only through a2-a3 to b3, Or through b1-c1 to c2 (the other route the short lateral being prohibited). Any block on a2 or a3 should make enable the capturing move, but halt its normal move to b3. This makes it a good line piece capable of giving anti-battery checks and also pinning when there are two opposing pieces on a2 & a3.

Deleted

So the required pieces are as follows:

(1) MAO2
Moves without capturing to the same squares as a Knight whenever the orthogonal intermediate square is empty; and can capture on the same squares as a Knight whenever the orthogonal intermediate square is occupied.

(2) MOA2
Moves without capturing to the same squares as a Knight whenever the diagonal intermediate square is empty; and can capture on the same squares as a Knight whenever the diagonal intermediate square is occupied.

You also want the following piece:

(3) COLTO
Moves to the same squares as a Knight orthogonally, with the long part of the move played first. It moves without capturing whenever both of the long orthogonal intermediate squares are empty; and can capture whenever either of the long orthogonal intermediate squares are occupied.

Precise !

That means Colto can capture only if one of the intermediate sq.( orthogonal OR diagonal) is Occupied?

No. Check again post 17 by Geoff. Colto as we define moves only through the two long lateral squares.