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Ovaděč: WhisperzQ , Mort , Bwild 
 Chess variants (8x8)

including Amazon, Anti, Atomic, Berolina, Corner, Crazy Screen, Cylinder, Dark, Extinction, Fischer Random, Fortress, Horde, Knight Relay, Legan, Loop, Maharajah, Screen, Three Checks

For posting:
- invitations to games (you can also use the New Game menu)
- information about upcoming tournaments
- discussion of games (please limit this to completed games or discussion on how a game has arrived at a certain position ... speculation on who has an advantage or the benefits of potential moves is not permitted)
- links to interesting related sites (non-promotional)

Community Announcements:
- Nasmichael is helping to co-ordinate the Fischer Random Chess Email Chess (FRCEC) Club and can set up quad or trio games if you send him a PM here.


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Večmochat v plkách:  

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16. května 2005, 00:21:28
Dragon 
O čem je toďten plk: What happened to Ex., Dark, etc.?
Are they no longer considered important variations individually?

15. května 2005, 21:19:35
danoschek 
O čem je toďten plk: Re: infinite move numbers ?
rabbitoid: you expressed it much better by pointing that a piece
must move to an un-occupied square - I enjoy to see the group intelligence
which is even higher than mine is lightly capable of fixing the prob ... ~*~ .

15. května 2005, 16:16:31
Walter Montego 
O čem je toďten plk: Re: infinite move numbers ?
rabbitoid: That seems to make a simple rule. In regular Chess you can only move to an unoccupied square or one that is occupied by an opponent's piece. The Rook should be not be allowed to move to its starting square as it is occupied before it moves.

15. května 2005, 13:42:16
WhisperzQ 
O čem je toďten plk: Re: new variant suggestion
rabbitoid: An excellent idea ... "sacrificial loop chess".

15. května 2005, 11:12:49
rabbitoid 
O čem je toďten plk: new variant suggestion
but apart from that, that's an idea for a new variant: you can take also your own pieces. for normal chess, this is idiotic, but for loop chess? sacrificing a piece to parachute far behind enemy lines? what do people think?

15. května 2005, 11:12:03
rabbitoid 
O čem je toďten plk: Re: infinite move numbers ?
Sumerian: so far, in this variant, you can't take your own pieces, so that's out.

15. května 2005, 11:05:18
SMIRF Engine 
O čem je toďten plk: Re: infinite move numbers ?
rabbitoid: If your looping rook would be an obstacle to itself, you have to decide, whether the rook should capture itself, or the move finally hereby is blocked. So you at last have the choice to declare this move to be impossible, or having unfinite multi-looping doubles.

15. května 2005, 10:01:50
rabbitoid 
O čem je toďten plk: Re: infinite move numbers ?
Sumerian, danoschek: "it's chess..." well, no, it's not. it's a variant, which has a different set of rules. it says in the rules the only change is the possibility to extend the board so that it loops on itself. it follows that the only limitation to a rook move is that there be no pieces between the starting and ending point.

Sumerian's infinite regression is no obstacle, since there is the 3 move repetition draw rule.

hmmm... actually that's the way out of this loophole: when the rook starts the move, there IS someone standing on the target square: himself. question is, does this count as an obstacle, since the rook has to move out of it's starting position to reach the obstacle, which is therefore no longer an obstacle? this is starting to enter quantum physics... or in dano's favorite expression, humbug. for once I agree

15. května 2005, 02:52:39
danoschek 
O čem je toďten plk: Re: passing a move ?
Přetvořeny oževatelem danoschek (15. května 2005, 03:02:07)
Walter Montego: yes you don't see. like I don't see the admittably
challenging boardlogic complying with chess rules either ... btw it was me
who urged to repairing the en passant cross the border too - fixed already ... ~*~ .

15. května 2005, 02:03:52
Walter Montego 
O čem je toďten plk: Re: passing a move ?
danoschek: I don't play cCylinder Chess, but I fail to see how making a move that leaves the board in the same position would eliminate stalemates from happening. Since only a Queen, Rook, or Bishop (Hmm, I'm not sure about a Bishop) can make such a move and not the King, a stalemate cannot happen in this manner, can it? It could certainly facilitate in the making of a stalemate though. Suppose I moved my Rook all the way around the board and left the position the same, now a stalemate could indeed happen. That'd be my stupidity for allowing that to happen, wouldn't it? One thing I am curious about this is, suppose a Rook that I can move all the way back to the same square is blocking your Bishop from throwing a check on my King. I would say that the Rook cannot be considered to have moved. Simular to the situation to castling through a check even though the King isn't in check when the castling is completed. How does the game here handle this situation?

15. května 2005, 01:10:37
danoschek 
O čem je toďten plk: Re: infinite move numbers ?
Přetvořeny oževatelem danoschek (15. května 2005, 01:11:54)
Sumerian: actually the logic is violated beyond too, I agree ...
I assume we both know the chess riddles that challenge one
to reconstruct the history of a game by a given end position ... ~*~

15. května 2005, 01:02:41
SMIRF Engine 
O čem je toďten plk: Re: infinite move numbers ?
Přetvořeny oževatelem SMIRF Engine (15. května 2005, 01:04:02)
danoschek: An additional argument against such passing loopings is, that when cycling once creates a move, cycling twice will also do. How will you distinguish such a move from one making 222 cycles? Enumbering all valid moves will end in a never ending chaos. But identifying all into one 'move', will reduce them to a simple passing, which is not allowed at all.

15. května 2005, 00:56:18
danoschek 
O čem je toďten plk: Re: passing a move ?
Sumerian: indeed it would theoretically suspend stalemate as well ... it's humbug. ~*~

15. května 2005, 00:54:57
SMIRF Engine 
O čem je toďten plk: Re: passing a move ?
reza: In Chess (and variants) there is a phaenomene called 'Zugzwang'. It is existing only, because there is no possibility in Chess to simply pass a move. Permitting moves which do not change the situation on the board thus will be nothing else than passing. Thus the Zugzwang element by that will vanish from Chess in such situations. Chess including a possibility to pass a move no longer remains Chess, it becomes a new type of game.

15. května 2005, 00:44:19
danoschek 
O čem je toďten plk: yeah halma and next bowling eh ?
it's chess - you all might have forgotten ... ~*~

14. května 2005, 23:42:55
pauloaguia 
O čem je toďten plk: Re:
reza: It may not be useless... the position I posted when I started this whole thread 4 months ago has different outcomes if this is considered a valid move or not. Just to bring it back:
-------------
White: Ra5, ph6, Kc3
Black: Kb1, pa6, ph7
White to play, mate in 2
-------------
The proposed solution is
1.Ra5-a5 Kb1-c1
2.Ra5-a1++

And in halma, as rabbitoid pointed out, you can have a move that doesn't change the board at all.

I'm not stating that this should be a valid move or not. I just pointed out what I read in a book, that's all and was wondering for your oppinions. But then again, I remeber a famous game in chess history where someone promoted a pawn to an opponent's piece. And it was considered a valid move at the time since the rules didn't say anything against it (that's why they've been changed *hint**hint*)

14. května 2005, 20:49:21
Expired 
It is really interesting for me. I have thought on it a lot and have come to this conclusion that in cylinder chess players really should not be allowd to make such moves.

Yes, even in checkers after you make multiple moves, after the move, the position on the board is changed and several pieces are captured.

In cylinder if such moves are allowed many moves can be made by the queen and the rooks that end in no obvious change of the position on the board and such moves seem to me strange and useless.

I'm very much willing to read everybody's opinion about this.

14. května 2005, 16:23:31
rabbitoid 
O čem je toďten plk: Re: Re:
danoschek: I'll oogh you! halma?
ok, ok, I take it back. my Kindergarten days are over, too

14. května 2005, 15:22:15
danoschek 
O čem je toďten plk: Re: Re:
rabbitoid: checkers oogh ... still the position has changed ... it's a flaw period ~*~

14. května 2005, 14:42:33
rabbitoid 
O čem je toďten plk: Re: Re:
danoschek: not in all games. in checkers, you can have multiple jumps that end up where you started. in cylinder chess I see no reason why it should be disallowed. it comes to a "pass", but so what, if no rule forbids it?

14. května 2005, 14:11:14
danoschek 
O čem je toďten plk: Re: Re:
reza: Ra5-a5 is no legitimate MOVE - you are absolutely right - a move has
a start square and a different destination square, that is its definition ... ~*~

11. května 2005, 09:02:44
Luke Skywalker 
O čem je toďten plk: Re: Games not appearing - help?
Corporation: This will help:
http://brainking.com/game/FAQ?ht=8

11. května 2005, 08:07:36
WhisperzQ 
O čem je toďten plk: Re: Games not appearing - help?
Corporation: The games are there, they just do not appear to you in "Waiting Games" because you could not possibly accept the challenge otherwise you would be playing yourself.

Hope this solves your dilemma.

And to prove it, I have accepted one of your horde chess games.

Cheers WQ :)

11. května 2005, 07:21:55
Corporation 
O čem je toďten plk: Games not appearing - help?
I've created a game of chess amd horde chess and neither shows up in the waiting room, but show up on my main page that they've been created.

What should I do?

10. května 2005, 22:31:23
sdf 
O čem je toďten plk: Re: Shuffle-Antichess
Caissus: this is a perfect idea,i got it too;the pb with antichess is that its overanalysed!
we should try to put it!

10. května 2005, 13:50:08
jcarrillovii 
O čem je toďten plk: Re: FRC Tournaments
fungame: Tournaments in FRCEC don't start with the same position. Everyone has a different position. I agree, they are more fun!

Check out our currently running Fischer and Gligoric Cups at:
http://frcec.chess960.info/FischerCup.htm
http://frcec.chess960.info/GligoricCup.htm

Jose Carrillo
FRCEC Moderator
j_carrillo_vii@yahoo.com
http://frcec.chess960.info/

7. května 2005, 16:58:04
bobwhoosta 
O čem je toďten plk: Re: Kibitzing FRC Openings
Sumerian: I think as there is plenty of opportunity for diversion from any course there doesn't need to be a kibitzing rule. After all, there are a lot of sound first, second, and so on moves from almost any of the initial positions, so the play is largely a matter of taste. Also, correspondence is set up to allow maximum thought and opportunity for research for each player.

7. května 2005, 16:33:51
Chessmaster1000 
I don't think this is necessary at FRC.......But perhaps it would be a good idea.....!

7. května 2005, 16:28:11
SMIRF Engine 
O čem je toďten plk: Kibitzing FRC Openings
Well, in OTB tournaments you have no time to watch simultaneous played games. Here the situation is a little bit more complicated. May be it could help to disallow any kibitzing until move 5 of any random game.

7. května 2005, 16:19:25
Chessmaster1000 
In this way it would make games of the tournament more interesting, but in the current way it would help to see who plays better the current position or for FRC-Chess interested players(like me) it would help to generate some ideas about various setups......And as i've said in the current way there is no luck factor at all.........

7. května 2005, 14:33:26
Harassed 
But in tournaments with 2 games with reverted colours per pair of players it would be really enough if these 2 games are the same IMHO.

7. května 2005, 14:12:20
Chessmaster1000 
This is to avoid the luck factor.........

7. května 2005, 13:20:00
Harassed 
Why each game of Fisher Random Chess tournament starts with the same setup? This is no fun :(

5. května 2005, 03:12:58
Walter Montego 
O čem je toďten plk: Re:
Andromedical: I joined your tournament Andromedical. I haven't played much Dark Chess in awhile. I was hoping ol' Ed would join it for some Dark Chess, but thems the breaks. It looks like it starts in a few hours. Perhaps we can enlist a few more Dark Chess players?
Should be a fast paced tournament with a two day move limit.

http://brainking.com/game/Tournaments?trg=8217

4. května 2005, 11:25:30
ughaibu 

1. května 2005, 17:43:23
WhisperzQ 
O čem je toďten plk: Re: Re:
rabbitoid: LOL .... yes it would be :)

1. května 2005, 07:55:48
SMIRF Engine 
O čem je toďten plk: Chess960 Computer World Championship
Přetvořeny oževatelem SMIRF Engine (1. května 2005, 08:04:47)
You will find a very interesting article of the Frankfurt Chess Tigers on this event at: http://www.chesstigers.de/index_news.php?id=237&rubrik=4 (in English language)

Regards, Reinhard.

30. dobna 2005, 09:58:58
rabbitoid 
O čem je toďten plk: Re:
Caissus: winboard/xboard manages fine the pgn used here. In windows you have to modify the shortcut to have the flag
winboard.exe /variant=crazyhouse
the only problem with this interface is that it doesn't show the pieces off board, which is VERY annoying for this variant

29. dobna 2005, 13:08:35
Luke Skywalker 
O čem je toďten plk: Ra5-a5
Another reason why this should not be allowed:
A "move" is not the action of a piece travelling, but the action of putting a piece on a free square (or occupied by opponent, but that doesn't apply here). Since a5 is occupied, the R can't move there

28. dobna 2005, 20:49:19
Luke Skywalker 
O čem je toďten plk: Re: Re:
reza: I agree

28. dobna 2005, 20:28:59
Expired 
O čem je toďten plk: Re:
nabla: It doesn't. I think it's not a nice move either. to me a 'move' has to be with some sort of a change in the board.

28. dobna 2005, 17:07:14
Caissus 
Přetvořeny oževatelem Caissus (28. dobna 2005, 17:07:48)
Interface "Babaschess" is able to replay crazyhouse/loopchess pgn-games,but you have to change a little bit the pgnformat.
http://www.babaschess.net

28. dobna 2005, 16:01:51
nabla 
I vote that Ra5-a5 is a perfectly legitimate Cylinder Chess move. Do we know whether BK allows it ?

28. dobna 2005, 10:23:09
Bruce 
O čem je toďten plk: Re: PGN Viewer for LOOP CHESS
Luke Skywalker: It´s OK :-) Thanks

28. dobna 2005, 10:03:34
Luke Skywalker 
O čem je toďten plk: Re: PGN Viewer for LOOP CHESS
Bruce: Try Winboard http://www.tim-mann.org/xboard.html or look at freechess.org for other interfaces to the chess server.

28. dobna 2005, 09:57:31
Bruce 
O čem je toďten plk: PGN Viewer for LOOP CHESS
Do you know anybody PGN viewer for replay PGN files from LOOP CHESS ! I try classical PGN viewer, but there cannot replay notation e.g. 13. B@d6 B@e7 ... Thanks

17. dobna 2005, 11:28:32
SMIRF Engine 
O čem je toďten plk: Chess960 positions and rules condensed
Přetvořeny oževatelem SMIRF Engine (17. dobna 2005, 11:30:06)
Hi Chess960 friends,

again I point to the fine PDF document from the Frankfurt Chess Tigers.
You can find and download the PDF document (in German language) from the very
interesting Chess Tigers' home site at: http://www.chesstigers.de/download.php
( please search there for the link: Chess960 Startpositionen und Regeln ).

Regards, Reinhard.

17. dobna 2005, 09:45:29
SMIRF Engine 
O čem je toďten plk: Huge response for the first Chess960 Computer World Championship
Hi friends of real chess programming!

In a very interesting article (German language) from the Frankfurt Chess Tigers
you can learn that there are already 20 participants. Thus it will be an event
huge and relevant for chess programming in August 2005, where the engines will
have o calculate from the beginning, not where a huge opening library might end.

See article at: http://www.chesstigers.de/ from 2005-04-17.

Reinhard.

12. dobna 2005, 14:14:14
WhisperzQ 
O čem je toďten plk: Re:
I didn't realise this was your site Nabla ... I will add it above with a reference to the "home" page for AntiChess. Unfortunately for me it is in French (I will have to get my daughter to translate LOL).

11. dobna 2005, 21:37:26
mangue 
The website of nabla contains valuable resource for antichess and do not miss his delicious Antichess exercices :-)

http://www.pion.ch/Losing/endex.html

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