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 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

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- invitations to games (you can also use the New Game menu)
- information about upcoming tournaments
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- 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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25. Agosto 2005, 13:19:40
andreas 
Asunto: Re:
Modificado por andreas (25. Agosto 2005, 13:30:07)
nabla: To avoid forced win for white, "a pie rule" can be employed (like in Hex). After the first player (with white) makes a first move, the second player (with black) has an option to rotate the board, so that opponents change piece colors. Now the game continues as usual, first player has black pieces now and he is to move.

The second player has an option to rotate the board only once, after the first move of the first player.

25. Agosto 2005, 13:58:50
nabla 
Asunto: Re:
andreas: Your proposal is a nice addition to randomization !

25. Agosto 2005, 17:05:09
grenv 
Asunto: Re:
nabla: Not bad.

Problem for everyone: Design a starting position, consistant with the rules of FRC which is a forced win for white in Atomic.

I'll work on it as well. :)

27. Agosto 2005, 19:17:16
Nasmichael 
Asunto: FRCEC club--anyone interested in a FRC quad?
Peace and good health to you all.

For those who are part of the FRCEC club, and wish to participate in a quad or a trio, let me know. My BK id is 8352 and I will set up one for you--and I will send invitations to the players.

Thanks, and good gaming to you!

27. Agosto 2005, 20:45:38
grenv 
Asunto: FRC for Atomic
I can't see a FRC position that would favor white a great deal in Atomic chess. If someone disagrees post the position and starting move for white. Otherwise I would be in favor of requesting it as another variation.

Currently it is played on schemingmind.com

28. Agosto 2005, 19:46:38
Pioneer54 
Asunto: Atomic chess
Although White may have a slight opening edge, I do not believe that this game requires restructuring. The early turns may be, in most games, narrowly sharpened, but there is still plenty of territory to explore.

I also don't favor the so-called "pie rule", or any kind of swap mechanism. Why should a position be too good for the player who moves first, but fine for the opponent who steals the position from him? The net effect is that the first player is compelled to make a deliberately poor move, which is contrary to the whole purpose of playing a game.

Examining ideas is healthy, in fact it is what CVs are made from, but when two separate variant ideas are combined, the result is usually not the interesting product that might have been expected.

28. Agosto 2005, 19:49:29
grenv 
Asunto: Re: Atomic chess
Pioneer54: I've played this game (Random atomic) on another site and it works pretty well. I agree that there is no compelling advantage to white, but that is true of regular chess as well, yet FRC is still a good game.

31. Agosto 2005, 12:06:38
kkkeeek 
Asunto: Re: thai chess
danoschek: Travel to Thailand!, Land of smile!, And you can challange Thai people to play Thai chess. However, Thai chessmen are less powerful than classical chess. You must play about 20 moves for opening, and about 60-100 moves to win a game.

2. Septiembre 2005, 00:55:52
Anencephal 
What is this 'R' after amazon moves in amazon chess?
it's not relayed chess!

2. Septiembre 2005, 07:36:03
Fencer 
Asunto: Re:
Anencephal: Heh :-) A small bug.

6. Septiembre 2005, 16:51:36
grenv 
Asunto: Knight relay question
Look at move 16 of this game
http://brainking.com/en/ShowGame?g=1017689

The pawn on d3 checked my king on e1, due to the knight relay.

HOWEVER, the rules here (and elsewhere) say:
"A pawn powered by the previous point does not extend its moving options to the 1st or 8th row. For example, a pawn on C6 which is guarded by a knight on E7, cannot jump to B8 or D8."

So is this a bug?

6. Septiembre 2005, 18:33:16
Fencer 
Asunto: Re: Knight relay question
grenv: Definitely a bug. Thanks for finding that.

6. Septiembre 2005, 19:17:52
Fencer 
Asunto: Re: Knight relay question
grenv: Should be fixed for future games.

6. Septiembre 2005, 20:57:40
grenv 
Asunto: Re: Knight relay question
Fencer: Thanks. Fortunately it didn't really affect this game much as I had pieces ready to capture it. :)

10. Septiembre 2005, 20:25:14
Pioneer54 
Asunto: Re: Knight relay question
Fencer: "Knight Relay Chess" should be included in the list of games at the top of this page.

12. Septiembre 2005, 17:57:49
WhisperzQ 
Asunto: Re: Knight relay question
Pioneer54: Done

18. Septiembre 2005, 18:11:42
Connors 
Asunto: Corner Chess Tourney
I started a corner chess tournament, if anyone is interested.

http://brainking.com/en/Tournaments?trg=11318&u=2165&trnst=0

20. Septiembre 2005, 09:17:13
SMIRF Engine 
Asunto: How a bout a new type of Pawn move?
What do you think about following new type of Pawn move: if close in front of a Pawn is a dense serie of one or more other Pawns (own or opposite color) followed by an empty square, the Pawn should be allowed to jump upon that empty square. This would help to overcome blocked situations.

Reinhard.

21. Septiembre 2005, 23:08:24
coan.net 
Asunto: Maharajah Chess
Some more talk was started on the BrainKing.com board about how to make the game more balanced.

I'm far from being a chess expert or anything - but what about taking some of the important pieces away - maybe like remove the queen from the start - or maybe start with only 1 knight & 1 bishop.

probable have to play around with it for awhile to figure out what would make it more balanced.

22. Septiembre 2005, 17:22:57
Doerdich 
Asunto: Three Check Chess
Hi all,
I propose to change "Three Check Chess" into "Four Check Chess" because if three checks already win, 1. Nc3!? seems too strong for white...

22. Septiembre 2005, 17:48:31
votacommunista 
Asunto: Re: Three Check Chess
Doerdich: You mean 1.Nc3!? is too strong. Well, I would say: Let us create a big theme tournament to check this out.

22. Septiembre 2005, 20:05:10
Doerdich 
Asunto: thematic tournament
Hi, that is a good idea. I'm new here, how can I create such a tournament? I mean, "One Check" or "Two Check" Chess will be obviously lost for black, because of 1. Nv3. The question is, if black can defend in a "Three Check Chess" Game after 1. Nc3. My first impression was, that white has a very easy win, but in fact it seems more difficult. Anayway, I still think white is better.

22. Septiembre 2005, 20:36:42
votacommunista 
Asunto: Re: thematic tournament
Doerdich: Making theme tournaments in a forced way was a suggestion by me some times ago, but here ... no comment.

We can make a tounament and write in the description that 1.Nc3 must be moved.

You cannot create a tournament. See http://brainking.com/en/PaidMembership

22. Septiembre 2005, 21:19:57
Doerdich 
Asunto: 1. Nc3
Can you create such a tourney? I will take part. I hope all people will move 1. Nc3 ...

23. Septiembre 2005, 06:14:38
redsales 
I created the tourney, it should be interesting..

23. Septiembre 2005, 08:20:12
Luke Skywalker 
Asunto: 1. Nc3

24. Septiembre 2005, 01:43:48
Doerdich 
Asunto: 1. Nc3 might also lose!
Dear friends,

now I am not sure at all, but 1 Nc3 could also lose! For example, 1.Nc3 Nf6 2.Nb5 c6 3.Nc7+ Qxc7 Black is only a piece up but he controls all fields in the middle and its very hard to make progress for white. Very surprising! Call 1.Nc3!? the "Doerdich-Gambit....

24. Septiembre 2005, 10:46:51
andreas 
Asunto: Re: 1. Nc3 might also lose!
Doerdich: I think 1. Nc3 is a weak move and loses significant advantage White have in this chess variant after 1. e4.

24. Septiembre 2005, 20:36:07
Walter Montego 
Asunto: Re: 1. Nc3
Luke Skywalker Doerdich andreas: Differing views of this opening. That is why there's a tournament organized, right? :) I won't be playing in it, but you all have me curious about how it'll go. Let's put theory to test.

29. Septiembre 2005, 00:30:54
Harassed 
Loop chess question: promoted piece after being captured is resurrected as pawn (usual rule) or as the piece it was promoted to? Not exactly mentioned in rules here...

29. Septiembre 2005, 00:50:53
Chicago Bulls 
As the piece it was promoted.......

30. Septiembre 2005, 18:15:00
dameningen 
In atomic is there stalemate?

30. Septiembre 2005, 18:17:21
Chicago Bulls 
No.....! Since there is no check the King can go wherever he wants.....

30. Septiembre 2005, 22:03:44
Luke Skywalker 
white: Ka8, Pa7
black: Kb8
white to move
isn't that stalemate because suicide is not allowed?

30. Septiembre 2005, 22:04:25
Luke Skywalker 
and some other black piece on b7

30. Septiembre 2005, 22:05:57
grenv 
Asunto: Re:
Luke Skywalker: I believe that is a draw. However it is very theoretical and would need to be engineered by both players.

30. Septiembre 2005, 22:45:50
Chicago Bulls 
Asunto: Re:
Hmmm, so there is a stalemate......
grenv: Yep it should be a draw!

1. Octubre 2005, 02:53:54
Doerdich 
Asunto: Mandatory 1. Nc3 tournament for 3+ chess
Hi,

I have been kicked out of the tourney because I didnt have enough free games left. (I thought that tournaments games will be countet extra). Anyway, it seems to be look that I don't take part, because some people seem to missunderstand the idea of 1.Nc3!? 1.Nc3 is a gambit line, which enables white to sacrifice a piece for one check by force, e.g.: 1.Nc3 e6 2.Nb5! Or 1.Nc3 c6 2.Ne4! The great question is wether black is able to defend this position with an extra piece but "being one check down".

1. Octubre 2005, 03:11:32
grenv 
Asunto: Re: Mandatory 1. Nc3 tournament for 3+ chess
Doerdich: Then you should have named the first 4 moves. It wasn't crystal clear from your earlier posts that this was the reason (though it appeared to be the only point of the move).

I believe it is quite common to sacrifice a minor piece for a check at some point, and it isn't clearly a win, so this seems a little moot.

1. Octubre 2005, 12:03:16
Bwild 
Asunto: Re: Mandatory 1. Nc3 tournament for 3+ chess
grenv: I agree.

1. Octubre 2005, 12:22:24
Chicago Bulls 
Playing this gambit and sacrificing a Knight from so early would only Bring troubles for white......

1. Octubre 2005, 12:38:10
Bwild 
Asunto: Re:
Pythagoras: For the intrest of the conversation, I'll play this "gambit" with the tournament creator,redsales.
Though I am but a novice,we can see how it goes.

1. Octubre 2005, 17:48:10
Nasmichael 
Asunto: FRC players. Interested in a "Best-of " match?
I was reading the recent newsletter and there is an opportunity to have a "best-of" match (best of 3, best of 5) with another player. If interested, let me know. Also, for those who might want to participate in a quad tourney, I would be interested in hearing from you.

I was thinking of an invitational, but I would like to know who is interested. Message me here.

1. Octubre 2005, 21:09:39
Doerdich 
@kipling seems you missunderstand the rule a bit? if your opponent gives three checks, you are lost!

5. Octubre 2005, 05:54:16
Doerdich 
Asunto: Dark Chess Rules
I have a question to the rules in Dark Chess: When do I get the information about the open fields? Is it after I made my move or after my opponent made his move. This ia a bgid difference, e.g. in the following game: 1.Nc3 g6 2.e3 Bg7 (if I get the information now, I can see the knight on c3) 3.Ne2 (If I get the information now, I can't see the knight any more).

5. Octubre 2005, 08:36:35
andreas 
Asunto: Re: Dark Chess Rules
Doerdich: You get up-to-date information in both cases: after your move and after the move of your opponent. After you make a move it is best to chose "Move and stay here" option to see what is changed.

5. Octubre 2005, 11:48:07
WhisperzQ 
Asunto: Re: Dark Chess Rules
Doerdich: But, obviously, you cannot "test" a position and move back after seeing what might be revealed ... the revelation only comes after you have committed tot he move. Likewise, if you are still wqatching the game and your opponet is "testing" positions, you do not see what they have moved (if, indeed you an) until they have committed to the move.

5. Octubre 2005, 13:29:07
rabbitoid 
Asunto: Re: Dark Chess Rules
Doerdich: you can also "go back in time": click on a move or use the backwards/forwards buttons to see what was revealed at a certain moment.

using the "notes" field is also very helpful in this variant.

6. Octubre 2005, 17:33:01
rabbitoid 
Asunto: a fast anti chess tourney
is waiting for your participation Here.

one week total think time.

7. Octubre 2005, 07:36:40
WhisperzQ 
Asunto: Re: a fast anti chess tourney
Well here's the rub ... the post about the tournament is here and stays ... any discussion regarding its validity is gone. If you care to read the heading at the top then you will see that from a very long time ago one of the prime purposes of this board is to post about pertinent tournaments.

If you wish to discuss the validity of this position do so somewhere else where those who are interested in the discussion can discuss it ... not here ... as, whatever you say, that discussion DOES NOT belong here.

Thanks you for your continued observance of the stated intentions of this board.

WhisperzQ

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