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Antelope. (Updated!) Makes (3,4)-jump.[All Comments] [Add Comment or Rating]
Charles Gilman wrote on Sun, Nov 23, 2003 08:05 AM UTC:
The Antelope's leap length is the square of the Knight's, and it is no coincidence. For any a:b leaper with leap length root(a²+b²), the b²-a²:2ab has leap length a²+b². Cf 6:8, 5:12, and 8:15 for the squares of the Camel, Zebra, and Giraffe.

David Moulton wrote on Sun, Jul 23, 2006 03:38 PM UTC:
There is a mistake in the written description of the
antelope's move--'four' and 'five' should be replaced
by 'three' and 'four', respectively, twice.

George Duke wrote on Fri, Jun 19, 2009 10:22 PM UTC:
Gilman points out in practically word-for-word report from comment here to text at M&B3: The Antelope's leap length of 5 is the Knight's SOLL. Let's see. Knight is 1,2 and SOLL is 5. Antelope, a piece from mid-20th century, leaps 3,4. Its path direct is 5, with SOLL, to find its dual, 25. Anyway, 5=5. More interesting is the dual that we already just found to be Namel. Remember 7,1? So when making a CV, suppose on a board with widening Morley rows (look that up in the Index--Morley calls them corridors) on all four sides, so that you would want broad-ranging leapers, interesting and threatening in being able to triangulate, make compound of Antelope and Namel, called Anu. The same as at AOF1, but here we are talking about prospective 8x8 with 4 six-wide contributions across and outside b-g and 2-7, total 64+24 squares, 88. The 1,7 component of Anu is logical on the 88 squares, for from the 6-wide back rank, Anu cannot quite reach the opposite Pawn row. As reasonable a board as AOF1's much revised 11x10x3 settled on.

KelvinFox wrote on Tue, Feb 18, 2020 01:01 PM UTC:

The page still contains the error that this piece moves 4,5


Jean-Louis Cazaux wrote on Mon, May 11, 2020 06:01 AM UTC:Poor ★

The texts still says: The antelope is a (3,4)-jumper, i.e., it moves (with or without taking) four squares horizontally and five vertically, or five squares horizontally and four vertically.

It should be corrected as:

The antelope is a (3,4)-jumper, i.e., it moves (with or without taking) four squares horizontally and three vertically, or three squares horizontally and four vertically.

Btw, what is the name of the (2,4) jumper?


Bob Greenwade wrote on Fri, Jun 23, 2023 08:56 PM UTC in reply to Jean-Louis Cazaux from Mon May 11 2020 06:01 AM:

Btw, what is the name of the (2,4) jumper?

It doesn't have a listing here (that I can find), but the Wikipedia article gives it the names Hare, Lancer, or Stag.

For one of my variants, I initially used the Lancer form until it was pointed out to me that it would be colorbound to only one-fourth of the board, so the (2,4) leap isn't much use except in a combination piece like the Wyvern (3,3)(2,4)(1,5) from Beastmaster Chess. (I ended up keeping the Lancer name, but made its move N2cnDH.)


Bn Em wrote on Sat, Jun 24, 2023 02:00 AM UTC in reply to Bob Greenwade from Fri Jun 23 08:56 PM:

There was a little bit of discussion regarding the (4,2) leaper's names in this thread a couple years ago


Bob Greenwade wrote on Sat, Jun 24, 2023 02:12 PM UTC in reply to Bn Em from 02:00 AM:

Speaking just for myself, if there was an article on the (4,2) leaper, I'd probably go with both Hare and Stag.

As for the Antelope (as a (4,3) leaper), the diagram tells me that it's not likely to be much use on a standard-sized board; there's no place it can go where all of its destination squares are available. For something 12x12 and up, though, it can be at least as handy as a Knight in standard chess, and in some cases almost scary.

The Impala, which moves like a Knight or Antelope, could also be a wildcard in a game.


Bob Greenwade wrote on Fri, Jun 30, 2023 03:21 PM UTC:

PS: If (2,4) is a Hare, then I suppose (2,4)(3,4) would be a Jackalope.


🕸Fergus Duniho wrote on Fri, Sep 8, 2023 08:52 PM UTC:

I added an AI image of the piece to this page.


Jean-Louis Cazaux wrote on Sun, Sep 10, 2023 12:30 PM UTC in reply to Fergus Duniho from Fri Sep 8 08:52 PM:

This one is nice to my opinion. It really looks like a chess pieces.


🕸Fergus Duniho wrote on Fri, Nov 22 01:57 AM UTC in reply to Jean-Louis Cazaux from Sun Sep 10 2023 12:30 PM:

This one is nice to my opinion. It really looks like a chess pieces.

That was in reference to this image:

I replaced it with a new image today, which I think looks better and is less cluttered with surrounding pieces.


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