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Comments by JorgKnappen

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Chess with Different Armies. Betza's classic variant where white and black play with different sets of pieces. (Recognized!)[All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Tue, Feb 21, 2012 09:55 AM UTC:
Here is a fun case to consider: Black owns an Eagle (a problemist piece; it moves on queen lines until it meets a hurdle, turns 90 degrees on the hurdle and ends capturing or non-capturing on a square besides the hurdle). Now black has a King on e8 and an Eagle on g8, white has a King on e1 and a Rook on h1. After castling, the field f1 is attacked by the Eagle, because the King on g1 now acts as a hurdle.

Capablanca's chess. An enlarged chess variant, proposed by Capablanca. (10x8, Cells: 80) (Recognized!)[All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Sat, Feb 4, 2012 01:55 PM UTC:
An excellent to the new battle of the goths! I lurked in for some times and was impressed by the performance of Bihasa. It really played Chess with a capital C, where the other programs I watched merely engaged in tactical encounters. The game I saw, it first exchanged it knight for a bishop (favorable exchange on 10x8), then it placed its other knight at an outpost on the 5th line in the center, annoying the opponent who mussed the chance to exchange it -- Bihasa quickly protected the square where an exchange cound happen afterwards. It protected its bishop pair, built powerful pawn formations and won the game after dominating from the late opening phase.

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Jörg Knappen wrote on Fri, Feb 3, 2012 10:43 AM UTC:
I don't understand how you derived the number 6 for the Spearman. In fact,
it has no backwards capture move and once the opposing King has broken the
line of Spearmen, no number of them can mate.

Maybe you want to say that a fox-and-geese style game with 6 Spearmen and a
King vs. a lone King from some initial position is won, but this something
very different.

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Jörg Knappen wrote on Tue, Jan 31, 2012 08:45 AM UTC:
The idea of a re-charging piece is hidden in the Nutty Knights army from
Ralph Betza's Chess with different armies. The charging pieces there have
many forward moves, but very poor retreating moves.

A re-charging piece turns 180 degrees upon reaching the 8th rank, and
another 180 degrees upon reaching the first rank again. A Charging Rook,
e.g., becomes a Reverse Charging Rook, moving forward as a King and
backward and sideward as a Rook and the 8th rank. On promoting a pawn, you
get a re-charged piece with full retreating power and poor forwardness.

I wonder how much this change would power-up the Nutty Knights.

One can also imagine re-charging pawns, walking up and down as pawns with
no hope for promotion ...

For the physical representation, balck and white Shogi-style pieces may
work fine where colour indicates the ownership of the piece and direction
the charged state.

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Jörg Knappen wrote on Tue, Jan 31, 2012 08:37 AM UTC:
Hi George,

I think the mating number of the quintessence is 2. Even a single
quintessence comes very close to a mate, but it cannot strike the final
blow to the enclosed King.

Concise Guide to Chess Variants. Missing description[All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Tue, Jan 31, 2012 08:35 AM UTC:
Sigh, I always get confused by grasshopper/locust, because the two terms are too close semantically, and I rarely do something with one of these two pieces. Charles' description of the two is perfectly right. Locusts take by overhopping, while grasshoppers are restricted korean cannon-style pieces. Sea pieces are locusts with additional non-capturing moves.

Jörg Knappen wrote on Sun, Jan 29, 2012 09:28 AM UTC:
I don't think all the Saurians were named by one person at one time. don't have sources to early problems for the saurians, but I suspect the Hippopotamus even predates the term saurian. Note that also the locust (an old problemist piece) is technically a sauiran (a saurian grasshopper).

Jörg Knappen wrote on Thu, Jan 26, 2012 08:29 AM UTC:
Some more piece names. Most of them can be found in the Schwalbe list
http://www.dieschwalbe.de/lexikon.htm or on Jerome Grimbert's site http://jgrimbert.free.fr/pieces/indexa.html

Saurians:
cK - Atlantosaurus 
cQ - Dinosaurus
cB - Brontosaurus
cN - Hippopotamus 
cR - Mammoth

Combinations with a pawn:
p+B - Griff
p+N - Dragon (german: Drache)
p+R - Ship (french: Bateau)
p+L - Lama (L is Camel in Betza notation ...)
p+D - german: Hornochse (literal translation Horned Ox, meanig Blockhead) Maybe we could call it Hornox in english?

Sea pieces:
sea-K - Poseidon
sea-Q - Sirene, Mermaid
sea-B - Nereide
sea-N - french: Hippocampe (sea horse). In fact, a sea-Moo.
sea-N - french: cavalier marine (sea knight) truly hippogonal piece, almost useless on 8x8
sea-R - Triton

Some other pieces:
The Camelrider has a special french name: Mehari
The Taxi is a pawn with an additional backward move, it can go up to 3 steps forward from the first rank.

Drunken Nights. A toned down version of the Nutty Knights for Chess with different Armies. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
💡📝Jörg Knappen wrote on Thu, Jan 26, 2012 08:10 AM UTC:
Thanks for your comment. I estimate the Remarkable Rookies on the stronger side compared to the FIDEs, bit inside the error margin: I rate the Short Rook 4 Points, the Half Duck 5 Points, the Woody Rook 3 Points and the Chancellor 9 Point (half point less than a Queen), giving a total of 33 Points. Thus the Rookies are halfway between the FIDEs and the original Nutty Knights in strength.

Ralph Betza gauges his armies based on play between humans, this is an important point. Human chess masters play the FIDEs much better than the different armies, therefore there FIDEs have a bonus, and the unusual pieces have a malus. Thus Ralphs estimates are still valid for human players, unless we have grandmasters of Chess with different armies.


Chess with Different Armies. Betza's classic variant where white and black play with different sets of pieces. (Recognized!)[All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Wed, Jan 25, 2012 07:54 AM UTC:
Currently, there are no pieces in Chess with different armies that can create such kind of situation. When someone designs an army with such kind of piece (and a very strange piece it must be, your anti-cannon is not sufficient, because the King is in check before castling and rule 0 forbids castling out check. Thus, an anti-cannon on Dabbaba lines is required. A Dabbabarider is also insufficient, because the King moves exactly 2 spaces in castling) the designer has to add a special rule to cope with the situation.

Carpenter. compound of Knight and Dabbaba.[All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Sat, Jan 21, 2012 08:48 AM UTC:
As far as I can see, the name 'vicount' (without an s) is indeed Peter Aronson's invention. The piece itself is absent from Derzhanski's list ( http://www.chessvariants.org/piececlopedia.dir/whos-who-on-8x8.html ) and from Töws' Generic chess piiece creation system ( http://www.chessvariants.org/unequal.dir/genericchesssystem.html ). I recommend a look into the latter for some other names for rarely used pieces like Boxer (Commoner + Beaver) or Foursquare (FNLJG in Betza notation, L is Camel, J is Antelope, and G is Tripper).

Derzhanski's list also gives sources to games, Töws obviously draws from similar sources, but does not give them.

Chess 2. Different armies, a new winning condition, and duels. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Sat, Jan 21, 2012 08:16 AM UTC:
Hi, Charles, I think you are supposed to follow the link and undergo the 'purchase' procedure, as there is currently a special offer at $0.00 for this nice chess variant.

There is far too much in it to summarise it here in a comment. There are 6 different armies (one of them the FIDEs), and each of the new armies is equipped with 'mutators' (as George terms it) that still feel fresh and unusual. 

Besides the new armies, the general rules are extended by new ways of winning the game, bringing down the number of draws, and duelling (introducing a poker-style element). So Chess 2 is different even with FIDE vs. FIDE armies.

Jörg Knappen wrote on Fri, Jan 20, 2012 04:25 PM UTC:
I received the rule book and I like the many ideas in chess 2. It is an interesting game to remember where did I see rampant elephants before? Nemesis? 

Nice food for thought!

Turkish Great Chess VI. Large variant adding an Archbishop and a General (Amazon). (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Fri, Jan 20, 2012 04:14 PM UTC:
Here are Turkish Great Chess II-VI, but there is no Turkish Great Chess I. Does it hide under another name, or why is it missing?

Official Football Chess. Variant from the 1960's with pieces replaced by football players. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Thu, Jan 19, 2012 08:33 AM UTC:Excellent ★★★★★
This is a double excellent for this game.

The first excellent goes to Hans for digging this game out and posting it here.

The second goes to the game design: The inventor has really thought hard of the initial position, and it makes a fine game. There is a lot of tactical tension in the setup, but there are no obvious exploits. Great game!

Drunken Nights. A toned down version of the Nutty Knights for Chess with different Armies. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
💡📝Jörg Knappen wrote on Thu, Jan 19, 2012 08:30 AM UTC:
Finally I found a work-around that allows me to update the information here, editing in the missing user name to submission form. The forward Ferz move is now added to the Colonel, as it should be.

The piece I inadvertedly created, the Charging Chancellor, may also be of the right strength to tone the Nutty Nights down. An army with srunken Nights and Charging Chancellor together will probably already being on the weak side, but inside the error margin of my estimates.

Grandmasters of the Nutty Nights may prefer this very weak version.

💡📝Jörg Knappen wrote on Wed, Jan 18, 2012 06:27 PM UTC:
Sigh, you are right, and I cannot correct the mistake because of umlaut problems I cannot edit the page any longer. I defintely did not want to change the Colonel in this army.

💡📝Jörg Knappen wrote on Wed, Jan 18, 2012 12:57 PM UTC:
Yes, it does.

💡📝Jörg Knappen wrote on Wed, Jan 18, 2012 08:25 AM UTC:
To the very first comment: The crippling of the Charging Knight is intentional. The fact that a Charging Knight and a King can checkmate a solitary King has dramatic influence to the endgame. Replacing the Charging Knight by a Charging Moo leaves the endgame value untouched, and I doubt that the weakening in the opening phase and the middlegame is sufficient to tone done the Nutty Knights enough. But I have not playtested your proposal.

As I said in the notes, there are lots of possibilities to weaken the Nutty Knights, if you find another one, it is fine.

💡📝Jörg Knappen wrote on Wed, Jan 18, 2012 08:09 AM UTC:
To the other question: Only the Drunken Night and the Charging Paladin mentioned in the notes section are new pieces, the others are the original pieces from Ralph Betza's Nutty Knights. The Nutty Knights page also has movement diagrams.

💡📝Jörg Knappen wrote on Wed, Jan 18, 2012 08:06 AM UTC:
Yes, backwards as a King means 3 directions, and no, forward as a Knight are all 4 forward directions, not only the two 'fast forward' directions.

Concise Guide to Chess Variants. Missing description[All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Mon, Jan 16, 2012 05:06 PM UTC:
I love the name Dullahan very much. It has inspired a new experimental army for CwdA, named the Fearful Fairies, to be pulished here soon.

Ganymede Chess. A 12x12 variant inspired by Ralph Betza's Chess on a really big board, Centennial Chess and Adrian King's Typhoon (among others). (12x12, Cells: 144) [All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Tue, Jan 10, 2012 07:08 AM UTC:
MArk Hedden's frog (WFH in Betza notation) is taken from Adrian Kings games (Sciroco, Jupiter, and Typhoon). To distinguish it from Jelliss' frog (FH in Betza notation) one could call it frog king (derived from crowned frog, crowned being a standard prefix for forming names for pieces moving as a commoner + something).

Concise Guide to Chess Variants. Missing description[All Comments] [Add Comment or Rating]
Jörg Knappen wrote on Sun, Jan 8, 2012 11:31 AM UTC:
This is kind of a fun question: What would be a good male version of a Banshee?

Jörg Knappen wrote on Sun, Jan 8, 2012 11:26 AM UTC:
I am aware of the name Okapi for about a decade when I found it in several problem databases on fairy chess problems. However, a search here

http://www.softdecc.com/pdb/search.pdb

(enter PIECE='Okapi' in the query form)

reveals some problems going back to 1970, Most Okapi problems are authored by Erich Bartels, but other prblemists joined the crew. If you have ever seen an okapi (I did, the Franfurt/Main zoo is a proud owner of the rare species), it is a particulary well choosen name for a horse-zebra vompound.

Digging through references on Gazelle, I found it only as a synonym for Camel (the (1,3).-leaper) in Turkish great chess V

http://www.chessvariants.com/large.dir/greatchessv.html

This is confirmed by George Duke here:

http://www.chessvariants.com/large.dir/falconpatent.html

and George know more chess variant literature than I can ever dream of.

The Ferz-Knight compound has the synonym priest - again a very unspecific name. It occurs in Töws' Generic chess piece creation system and Derzhanski's list.

I once aggressively tracked names for compound leapers and noted them on paper, it looks like a good idea to put them on the CVP pages some time.

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