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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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- 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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<< <   1 2 3   > >>
4. Julio 2006, 16:24:59
grenv 
Asunto: Re: Atomic Chess
sewzay: It should be a draw, but I think the players would have to agree, i don't think it's automatic.

1. Junio 2006, 22:56:40
grenv 
Asunto: Re: ambigous stats
Pythagoras: I didn't say that white didn't have an advantage, only that it wasn't a clear advantage. If there is an advantage to white then it is unclear so far.

1. Junio 2006, 22:39:46
grenv 
Asunto: Re: ambigous stats
Pythagoras: On the other hand, since it's not clear from the statistics that either color has an advantage, it is correct to say that there is no clear advantage to white, whether we find out later there is or not.

18. Mayo 2006, 19:31:07
grenv 
Asunto: Re: Atomic opening
tipau: Ha, not a bad trick. White has to play f3 (either instead of Nf7 or after black castles), followed by e4 and seems to come out better to me (on first glance).

17. Mayo 2006, 01:48:08
grenv 
Asunto: Re: I protest!
BIG BAD WOLF: The price of playing so many games you can't remember which is which, lol.

24. Abril 2006, 21:55:11
grenv 
Asunto: Re:
mangue: Point taken, however I still maintain that h4 is better and wouldn't even consider Nf7.

24. Abril 2006, 18:41:54
grenv 
Asunto: Re: Atomic opening
mangue: I think black has the best of that position actually after Bb4 and Nc6

24. Abril 2006, 16:49:27
grenv 
Asunto: Re: Atomic chess rules
andreas: You're correct, there is nothing illegal about such a move. In fact it is frequently a tactic used to avoid direct capture and can prolong the endgame.

24. Abril 2006, 16:20:49
grenv 
Asunto: Re: Atomic opening
mrundersun: There are some traps for white, but if played correctly it's a bad opening for black in my opinion.

Typical line sees black down in material without much counterattack:

1.Nf3 e5
2.Ng5 f5
3.h4!
NOT 3.Nf7?? which quickly loses to 3...Qh4
3... c6
4.Nxh7 Qa5

If you still think black can have an effective game then challenge me as black. :)

28. Marzo 2006, 03:13:23
grenv 
Asunto: Re: Encyclopedia of Chess Variants
JinkyOng: What variants are these?

16. Febrero 2006, 20:37:35
grenv 
Asunto: Re:
Kipling: Don't get me wrong, you had a better position. It's just that 3 times repitition is a draw, there's no agreement required.

16. Febrero 2006, 17:27:48
grenv 
Asunto: Re: draw by repitition
Pythagoras: LOL back, I doubt i'll ever play this silly game again so he may as well wait for Godot.

16. Febrero 2006, 17:21:44
grenv 
Asunto: Re: draw by repitition
Pythagoras: I tried twice already

16. Febrero 2006, 16:00:18
grenv 
Asunto: draw by repitition
How come this game isn't a draw? There's nothing in the Legan rules about repitition not being counted?

http://brainking.com/en/ShowGame?g=1372225

5. Febrero 2006, 07:49:33
grenv 
Asunto: Re:
رضا: it's the only reason that i can think of.

4. Febrero 2006, 23:36:27
grenv 
Asunto: Re:
Pythagoras: I won't insist, I'm not that interested actually.

I looked when you had 5 minutes to go and you had 14 vacation days. You still have 14 days vacation even after the time ran out.

4. Febrero 2006, 23:24:13
grenv 
Asunto: Re:
Pythagoras: To lazy, or is such a disussion beneath you?
Since you've only played 2 games I'll guess that this is posturing rather than a statement with substance.

You timed out against me by the way, but somehow through the silly house rules managed to stay alive without appearing to have lost a vacation day. How is that possible?

4. Febrero 2006, 22:37:53
grenv 
Asunto: Re:
Pythagoras: Legan is a little silly, but I'm not sure why it's any more drawish than chess. In fact the %age of draws on this site is about the same as the regular game. I don't even want to understand why white wins horde more often, but it seems I've drawn the short straw playing black against Fencer. Hmm.

4. Febrero 2006, 17:03:42
grenv 
Well, i got 3 games I've never even looked at, Legan, Horde (which seems silly - especially since i'm playing black) and Grand. I didn't get a single game of dark or atomic :(

oh well, more of a challenge I guess.

4. Febrero 2006, 02:57:19
grenv 
Asunto: Re: Random games
Pythagoras: Speaking of fearing playing me, I note it has been your turn in both our Dark Chess games for a while.

3. Febrero 2006, 15:14:11
grenv 
Asunto: Re: Random games
Fencer: lol, i'm in. Some of these variants I've never played, so it will be interesting. :)

1. Febrero 2006, 17:38:27
grenv 
Asunto: Re:
Salkkuman: Yes. Deleting a game like screenchess should be available before the pieces are set up, but not afterwards. At that point it is equal to resigning.

29. Noviembre 2005, 22:15:40
grenv 
Asunto: Re:
mangue: Quite right, or I'll start promoting to an archbishop in regular chess!

25. Noviembre 2005, 18:42:30
grenv 
Asunto: Re: Games for the Encyclopedia of Chess Variants
Pythagoras: I have no idea why it is private, I would never willingly agree to such a game, but I also don't check carefully apparently.

I messaged you the PGN. If anyone else is interested let me know.

25. Noviembre 2005, 16:39:09
grenv 
Asunto: Re: Games for the Encyclopedia of Chess Variants
nabla: Here's a couple to get the ball rolling between Walter and I that I think are quite good. Is that the kind of thing you're after?

http://brainking.com/en/ArchivedGame?g=593132&i=1
http://brainking.com/en/ArchivedGame?g=47630&i=1

and how about this Atomic game?

http://brainking.com/en/ArchivedGame?g=738624&i=1

7. Noviembre 2005, 23:18:40
grenv 
Asunto: Re:
HalfPawn: White seems to have an advantage, but it doesn't seem to be overwhelming. I think the jury's still out though.

13. Octubre 2005, 03:20:53
grenv 
Asunto: Re: Strange move in darkchess
Doerdich: I'll give you a pass because you have only finished one game of dark chess. The fact is that a pawn down early is relatively meaningless so the move is not that risky. It's actually not common for someone to move 1...d6 in my experience.

On the other hand you would have seen the e5 move so how is it a cheat? Just move the knight.

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.

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.

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. :)

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?

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.

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

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. :)

24. Agosto 2005, 22:11:22
grenv 
Asunto: Re: "atomic chess pro"
chessmec: Ok, but you wouldn't want to do that unless you thought it was at least a little unbalanced. I was trying to say that it is extremely well balanced as it is when played well.

Actually to get rid of all the opening theory, which is what makes it unbalanced if anything, I think it would be good to have fischer Random Atomic Chess.

24. Agosto 2005, 21:51:02
grenv 
Asunto: Re: "atomic chess pro"
chessmec: I used to think it was a little unbalanced as well, but recent games against reaally good players (here and on other sites) has shown me otherwise.

22. Agosto 2005, 18:44:07
grenv 
Asunto: Re: R in after move in Knight Relay Chess.
AbigailII: I suspect "Relay"

23. Junio 2005, 15:43:38
grenv 
Asunto: Re:
reza: What bug?

6. Junio 2005, 22:42:42
grenv 
Asunto: Re:
chessmec: ? i did.

6. Junio 2005, 22:27:16
grenv 
Asunto: Re:
chessmec: So in what language are stupid and inexperienced synonyms?
Also it is absolutely incorrect that an inexperienced player would see the strategy espoused here easily, certainly a stupid person would have no hope.

6. Junio 2005, 22:08:51
grenv 
Asunto: Re:
Chessmaster1000: You may not have to think about it, but others might. Calling those people stupid will not win you any friends.

6. Junio 2005, 19:27:07
grenv 
Asunto: Re:
Pedro Martínez: Ouch.

On the other hand, the question was asked, and then apparently we were told an idiot would know, so a fair comment.

6. Junio 2005, 14:57:18
grenv 
Asunto: Re:
Chessmaster1000: That's a little arrogant, I think many inexperienced players playing the KR would lose to the king, especially if they thought they could win. For instance the method a rook beats a king one on one may be tried, and this would lose.

6. Abril 2005, 20:34:32
grenv 
Asunto: Re:
Matarilevich: lol. There could be, though it would be a lot more difficult to program well!

5. Abril 2005, 12:45:55
grenv 
Asunto: Re: Ed doesn't play Dark Chess
Walter Montego: He doesn't play dark chess for the simple reason that he couldn't possibly win every game.

26. Enero 2005, 15:39:15
grenv 
Yes it can. Into, out of and through check are all possible. Clearly into would be a mistake

26. Enero 2005, 03:59:53
grenv 
The example was K vs K-Q-Q which, as you say, is a win for the two queens if played accurately.

26. Enero 2005, 01:06:50
grenv 
Asunto: Re:
Chessmaster1000: Not so. With 2 Queens it is simply a matter of forcing the white king to move away from the black king. In this situation:

White king is forced to move
1.Kb2 Ka1
2.Ka2 Qb2 (the one in unspecified pos)

Now white has to move the king away... QED

17. Enero 2005, 20:58:07
grenv 
I just started an Atomic tournament that should decide the best player when it finallly finishes in about 2010.

Instead, if anyone wants to join mine, it should be over very quickly - one day per move, all welcome. I'll wait for quite a few entrants before starting.

Quick Tournament

15. Enero 2005, 20:42:03
grenv 
In fact castling doesn't even connect the rooks, since they are right next to each other to begin with. Castling is almost never a good move I would think.

I agree g3(or g4) is good for releasing the bishop. c2 is not as weak because a3 is a legitamate spot for the knight.

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