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21. Juli 2005, 10:58:21
AbigailII 
Thema: Re: illegal move allowed?
playBunny: Given that it's an example of the MDU rule, isn't you saying "(or at least, according to the rules, you shouldn't be able to swap the dice)" an agreement that these moves are against the rules?

No. It's just that I can't remember ever encountering the situation I described, so I don't know for sure whether the swap dice link will work or not. All I'm saying is that the rules claim the swap dice link will not work in that situation. But the proof of the pudding is the eating.

Er, that's an example of the kind of illegal move that we are already been discussing, ie. those which go against the maximise-dice-usage rule.

Whatever. Then you tell me what's meant with the illegal moves in the rule that states the swap dice link won't work. If you're going to dismiss anything as being in another class, you tell us what it means. You seem to have a good idea...

21. Juli 2005, 10:57:54
Hrqls 
Thema: Re: illegal move allowed?
Verändert von Hrqls (21. Juli 2005, 10:58:57)
Pedro Martínez: *nod* thats how i learned about that rule .. i didnt know .. i made a move which isnt allowed according to that rule .. my opponent told me about it .. now i know .. and i play according to it and just hope my opponent does as well :) .. if not .. ah well .. its just a game :) .. its just one move in a game ... my opponent could have gotten a very useful roll as well (probably some nice doubles) instead of this one .. so it partially up to chance as well .. and might be covered again by some luck from my side :)

21. Juli 2005, 10:26:04
Wil 
Thema: Re: illegal move allowed?
playBunny: those which go against the maximise-dice-usage rule

Obs! There is no such rule. That kind of rule sounds logical, but it is not part of international backgammon rules. Ie, if I have 2 pieces left, one at 4 and 5, I get 6+4, I can move the 4 first (5 to 1) and then 6 (from 5 to off). Legal move, but not very wise..

21. Juli 2005, 10:24:20
Pedro Martínez 
Thema: Re: illegal move allowed?
Verändert von Pedro Martínez (21. Juli 2005, 10:33:45)
playBunny: That's interesting. I wonder which set of rules would take precedence. I believe the English ones should be primary with regard to the other translations but Czech is Fencer's language so I wonder whether the English set is a translation of the Czech, vice versa or are they independant?

Even though I don't know what you mean saying that the English rules should take precedence with regard to the other translations, I believe the rules should be interpreted in connection with what the game itself allows you and more importantly, what has been declared by Fencer on the discussion boards. To answer your question - I'm sure most of the rules were written first in Czech (since the Czech ones are more comprehensive and Czech is Fencer's mother tongue). Why would Fencer write something in English and then translate it back to his own language? As for this backgammon problem, I think that Fencer said somewhere that it was a bug and would be eventually fixed. That means it's up to the players how will they play. You say playing by the Worldwide Backgammon Federation rules shows more sport, I agree with that but if your opponent doesn't I suggest to move on, maybe mention it to your opponent in the game discussion and wait for the rule to be implemented.

21. Juli 2005, 09:55:13
Hrqls 
Thema: Re: illegal move allowed?
alanback: Opponent has 2 stones on your 3 :)

21. Juli 2005, 09:36:11
alanback 
Thema: Re: illegal move allowed?
AbigailII: Why can't you move the 4 first? You could move 7-3, 3-off or 7-3. 4-1.

21. Juli 2005, 09:22:42
Hrqls 
Thema: swap dice
there is a situation .. i am not sure which .. when you still have the 'swap dice' link .. but it wont work

i think the situation is when you have 1 piece on the bar and can only move it out with 1 die (the other die is blocked by your opponent) .. the 'swap dice' link is still there .. but when you click it nothing will change

i dont know if the first die has to be the higher or the lower to make this happen .. will see if i can find an example in any of my games soon :)

should i report this as a bug as well ? or is it cover by what is discussed below ?

21. Juli 2005, 01:54:34
playBunny 
Thema: Re: illegal move allowed?
AbigailII: Er, that's an example of the kind of illegal move that we are already been discussing, ie. those which go against the maximise-dice-usage rule. I'm after a new class of illegal move that the English rules (lol, Pedro) could be implying, because without a new class the rules are referencing the MDU rule (even if it's not implemented correctly).

Given that it's an example of the MDU rule, isn't you saying "(or at least, according to the rules, you shouldn't be able to swap the dice)" an agreement that these moves are against the rules? I'm quite happy if so, but I'd just like to clarify that. ;-))

Pedro: That's interesting. I wonder which set of rules would take precedence. I believe the English ones should be primary with regard to the other translations but Czech is Fencer's language so I wonder whether the English set is a translation of the Czech, vice versa or are they independant? Lol.

Let me think ..... Today I'll play by the, mmmmmm, Czech rules!

21. Juli 2005, 01:35:08
Pedro Martínez 
Verändert von Pedro Martínez (21. Juli 2005, 01:35:28)
BTW, the Czech version of the rules doesn't say "The player could not make a legal move with the second die", it says "The player could not make a move with the second die"

21. Juli 2005, 01:17:14
AbigailII 
Thema: Re: illegal move allowed?
playBunny: Can you describe a class of illegal moves that is different to what we're discussing?

You have two stones left, on your 4 and on your 7. Opponent has 2 stones on your 3. You roll 3-4. You can't swap the dice (or at least, according to the rules, you shouldn't be able to swap the dice) because you are not allowed to move with the 4 first.

21. Juli 2005, 01:08:56
AbigailII 
Thema: Re: The rules we play by
Walter Montego: You can say what you want AbigailII, but I find the rules misleading on this point or at least not as straight forward that I would know just from a casual perusal of said rules. Perhaps you could write a clearer version and send it to Fencer?

So, while I think the rules are clear, and you think they aren't, you want me to write clearer rules? That's absurd. If you find the rules to be unclear, you write clearer rules. I don't have a problem with the current set of rules.

21. Juli 2005, 00:41:40
alanback 
Thema: Re:
grenv: I wouldn't say there is one set of universally accepted rules; indeed, there are many local variations. I have a friend from Persia, which might claim to be the birthplace of backgammon, who has educated me on the rules used in that country. However, there does appear to be only one set of rules used in international tournaments.

So far as I know there is no set of local rules that allows a player to use only one die if there is a move available for both, or to use only the smaller die when there is a move available for the larger; but it would not surprise me if such a set of rules existed. Nevertheless, I think Fencer's intention was to apply the rule set applicable to international tournaments.

It's clearly a matter of individual conscience whether to follow those rules, when the server allows moves that violate them. In the past, I've waffled on this point, sometimes taking the position that my following the international rules strictly gave an unfair advantage to unscrupulous opponents. Lately, I've chosen to do what makes me most comfortable, which is to follow the international rules and forgo opportunities to take advantage of what I see as a glitch rather than a "house rule".

21. Juli 2005, 00:28:20
grenv 
I think the conversation would die if people would stop arguing in favor of the rule being wrong!!

Who cares about Baseball? This is backgammon, and there are not competing organizations that disagree on the rules. There is ONE set of universally accepted rules (as in chess - but NOT dark chess). Period.

<breath>whew</breath>

21. Juli 2005, 00:21:12
Artful Dodger 
Thema: Backgammon glitch
Many who play backgammon may not know of the glitch. Some unfamiliar with the game rules may not even think about it.

The thing to note, IMO, is that it's not against site rules and therefore the play (even though it's a glitch) should be allowed.

What people should concentrate on is a couple of facts:

the occurances are few and far between

it will be fixed one day

until then.......breath ;)

21. Juli 2005, 00:16:32
Walter Montego 
Thema: The rules we play by
Lots of games and sports have more than one set of official rules. Major League Baseball is a well known example. How about football? Chess has plenty of organizations with rules that are mostly the same. The differences involve things besides the movement of the pieces, which are the same for everywhere. Backgammon can be played in lots of ways. Remember, some rules of Backgammon were made up in the last fifty years. Dark Chess doesn't have any organized rule making body that I know of and I've seen four different ways that it is played. I haven't played enough Backgammon to know if the "forced to use the dice rule" is the best way to play the game, but those are the common rules. I wouldn't mind a version that allowed me to control how I use the dice more than the official rules, but that's not what we have here. We have a game pretending to be official Backgammon and yet it doesn't play like official Backgammon. This is more like the arguments concerning Pente with board size and whether or not the opening moves are restricted or not.

I think this site should have the game played as is commonly played around the world. For some reason it doesn't. The rules should clearly spell out that you may play the dice as you see fit, instead of the customary way of having to play both if able or the larger of the two if only one but not the other will play. You can say what you want AbigailII, but I find the rules misleading on this point or at least not as straight forward that I would know just from a casual perusal of said rules. Perhaps you could write a clearer version and send it to Fencer? You know how translating game rules from one language to another can make for hard to read writing? I'm thinking that's part of the problem here.

Now, as for playing over the board in person, what happens if I make an "illegal" move? It's up to my opponent to do something about it, right? He has the choice of letting my move stand or making me take it back. It'd be nice to have an internet Backgammon set up so this would be how it would be played. Then it would be like playing it over the board with someone instead of having the machine enforce perfect play and remove some of the thinking involved. Even experts can miss forced moves and they should get penalized like everyone else.

20. Juli 2005, 23:03:37
playBunny 
Thema: Re: illegal move allowed?
Verändert von playBunny (21. Juli 2005, 00:45:56)
Wil: Aye, to follow the rule doesn't require Sharon's input at all. If fairness is your priority then taking advantage of the bug certain would. Respect to you, as I know that move loses you the last wee chance in that tourney. Good luck in the next one. :-)


Abigail: 1) It's funny that you brought up the dice swapping thing:
... click on "Swap dice" .. [except when] ..
    a) Both dice show the same value.
    b) The player could not make a legal move with the second die.
.
That's because I almost included it as a point in my own argument (too much effort at the time). ;-)

When can you not swap dice? One time is when one number cannot be used (eg. when trapped by a prime, 1-6 is rolled and there's room to move up with the one, or with two men on the bar and one's re-entry is blocked) but this is not a case of an illegal move, this is an impossible move - it's a separate class from the two mentioned in the rules (and shouldn't have been omitted).

The only other cases that I can think of are those that are the subject of this discussion - the illegal ones. Fencer has included them in the rules, albeit in a generalised way, for what does The player could not make a legal move with the second die. mean? It means that the BrainKing rules acknowledge the existence of illegal moves. They aren't described explicitly, nor is the maximise-dice-usage rule stated, but the mention of legal moves implies illegal moves, so what moves are they? Can you describe a class of illegal moves that is different to what we're discussing?

The rule is implied rather than explicit, but it is there, at least as I interpret it. The fact that the implementation doesn't detect this class of move and act according to the rules is a bug. It's not a permission to make the move.

2) You said you've not played backgammon on a physical board. Let me echo your words to Hrqls: Are you trying to make a point? If so, what is it? ;-)

3) It still stands with me that if someone knows the standard rules of a game yet prefers to use a site's E&O (Errors and Omissions) as loopholes then they are showing a poor attitude.

20. Juli 2005, 15:44:00
grenv 
Personally I think this bug should be fixed immediately. It is a clear problem, and has a simple solution.

Until then serious backgammon players will not take advantage. Those not so serious are merely evening up the disparity in skill by a very small amount, which isn't so bad.

20. Juli 2005, 14:23:52
Hrqls 
Thema: Re: illegal move allowed?
AbigailII: ah sorry ... i was responding to If it were illegal, you wouldn't be able to swap the dice

its possible on this site .. so if your opponent doesnt have a problem with it .. you can make the move .. if you want to play according to the 'standard' backgammon rules .. then you play both dice

when i started to play here i had never played backgammon and it took a couple of months before i learned about that rule because my opponent told me about it when i made a move which wasnt according to that rule .. before i would probably have made more of such moves but my opponents never noticed/complained/told me about it

in the rules of this site nothing is said about this issue .. and i cant see the point you were trying to make with the combination of rules as the swapping wouldnt be illegal in other cases .. i read it as if you meant to say that the mere existence of the 'swap dice' link tells us that it is allowed to move just one die when both dice can be used .. i am not sure if you meant exactly that though :)

20. Juli 2005, 14:17:28
Wil 
Thema: Re: illegal move allowed?
Hmm. I get the feeling that people thinks that it would be right thing to do according to the standard rules, but they also think that as long as the site allows the other possibility they cannot require me to do so, because it wouldn't be fare (my opponent might have done the non-standard move)...
I agree.. And we should change the vote to the question "should Fencer change the site behaviour according to the official rules?"
I'll do the standard rule and let it be a "yes" vote to the previous question..
I could also ask Sharon, but as this move is better for her, I guess she won't resist.

20. Juli 2005, 14:11:23
AbigailII 
Thema: Re: illegal move allowed?
Chessmaster1000: Imagine a Chess bug that allows Castle when King is threatened.

Would that be a "bug" where the rules say you cannot move a king through chess, or with rules that allow it?

Currently, in Backgammon, the game acts according to the rules. (With the rules the ones found on this site).

20. Juli 2005, 14:06:48
AbigailII 
Thema: Re: illegal move allowed?
Hrqls: Are you trying to make a point? If so, what is it? I think we're all aware of the reasons why dice can be swapped. My point is that the rules say that if moving first with the second die is illegal, the game prevents you from swapping the dice. Ergo, if you can swap the dice, moving with the second die first isn't illegal. Note that if you roll 4 + 3, and you cannot move the 3, for instance you're on the bar and the 3-point is occupied, you cannot swap the dice.

20. Juli 2005, 14:06:17
Vikings 
Thema: Re: illegal move allowed?
Wil: to thy own self be true

20. Juli 2005, 13:57:42
Chessmaster1000 
Thema: Re: illegal move allowed?
Verändert von Chessmaster1000 (20. Juli 2005, 13:59:22)
AbigailII: I don't care about any other argument i'll see, i just say that anyone who wants to play Backgammon on this site should use both dice-numbers when he can or the higher when he can use only 1 of the 2.
Every other behaviour will result to a game that is not Backgammon........
I will accept the "illegal" move, if my opponent does it, but the game then will not be Backgammon. I don't care if the Brainking rules are wrong(they are), i just would play Backgammon without care if my opponent does not......

The point: Since Brainking allows you to choose according to your personal advantage, the players who don't care if they are playing Backgammon they should do it. The players that want to play Backgammon they should not............!

Imagine a Chess bug that allows Castle when King is threatened. Then if someone would make this castle and convert the position to a good one for him, in contrast of what would happen if he wouldn't castle, then a decent Chess player would feel completely disgusted by this.........
The fact that Brainking rules are wrong and refering to a well-known game, should not mean that we should follow them forgeting what we know about this well-known game.........

20. Juli 2005, 13:40:48
Hrqls 
Thema: Re: illegal move allowed?
AbigailII: swapping of the dice is still legal even if you have to move both dice and the highest dice when you can only make a move with 1 die ...

for example you are 3 steps away from a piece of me .. i roll 4+3 ... do i have to move the 4 first and thereby miss you ? no i am allowed to move 3, sending you to the bar, and then 4 with the same piece

so also on sites where the rule is applied you are still allowed to swap your dice

20. Juli 2005, 13:27:25
AbigailII 
Thema: Re: illegal move allowed?
playBunny: It would be different if the web page were to explicitly state that either or both dice may be used

Well, it does. At the bottom of the rules pages, under the heading Other important rules:
  • If a player wants to use the second die first, he/she must click on "Swap dice" link below the game board. There are several situations when the link is not shown:
    • Both dice show the same value.
    • The player could not make a legal move with the second die.


And further up the page, when discussing movement of the pieces: If two different numbers are rolled, the player can make two moves at this turn. He/she takes the first (left-most) die value and moves one piece the same number of spaces. Then he/she does the same for the second die.

To me, there's no question about it. Moving off any die first, even if that blocks movement off the second die is allowed. If it were illegal, you wouldn't be able to swap the dice.

As Wil says, if he were playing on a physical board he would do the right thing.

I've never played backgammon on a physical board. Of all the games that you can play here, I've only played a few on a physical board, and backgammon isn't one of them. (Chess, Anti-Chess, Checkers, Halma, Line4, Reversi, Battleboats, Battleboats Plus, that's about it).

20. Juli 2005, 13:25:02
Hrqls 
Thema: Re: illegal move allowed?
Wil: you should ask sharon about it and how she feels ... if she doesnt even know about the rule .. then do whatever you like :) .. if she does know and has played according to that rule in your game .. then play both dice

20. Juli 2005, 13:14:33
playBunny 
Thema: Re: illegal move allowed?
Verändert von playBunny (20. Juli 2005, 13:15:51)
Wil: I abstain from this vote. It's yours and Sharon's game; it should be your decision. (Is she aware of this debate?)

If this were a vote for us all to play according to the standard rule then of course I would vote for the rule. As Wil says, if he were playing on a physical board he would do the right thing. To me a player who needs a web page to tell them that ... pah!

It would be different if the web page were to explicitly state that either or both dice may be used (though I expect there'd be much concern among the players), but someone who uses an omission as a loophole is skimming close to cheating as far as I'm concerned.

20. Juli 2005, 12:41:36
Wil 
Thema: Re: illegal move allowed?
Well, there are points that supports both moves:

1) The game is named 'backgammon'. According to 'official' bg rules, they wouldn't allow me to make the better move for me. So I should move both dice. If I was playing on the 'real' board, I would move both dice without asking.
2. This site rules doesn't deny me moving only one piece. See http://brainking.com/en/GameRules?tp=23 The rules are the same for both players.

Since game rules are allways an agreement of a community, I'll do the move players here agrees. Let's make a vote. Give your vote here ('move both' or 'do what you can') and I'll make the vote winning move. You have one day to vote. I'll make the move ~24 hours from this moment. My or Sharon's vote doesn't count.

20. Juli 2005, 12:27:13
WhiteTower 
Thema: Re: illegal move allowed?
Pedro Martínez: It's the International BOXING Federation in their less combative moods...

20. Juli 2005, 11:58:51
Pedro Martínez 
Thema: Re: illegal move allowed?
AbigailII: International Backgammon Federation?

20. Juli 2005, 11:32:40
playBunny 
Thema: Re: illegal move allowed?
Verändert von playBunny (20. Juli 2005, 12:31:18)
AbigailII: That's fine. Remind me not to play you until the bug's fixed. ;-p

ps. "Pro backgammon" is on its way. The doubling cube has been mentioned. Presumably it includes gammons and backgammons. Hopefully it includes this bug.

20. Juli 2005, 11:28:11
AbigailII 
Thema: Re: illegal move allowed?
playBunny: I use the following logic: if I do a move that is allowed by the rules, it's not an illegal move. The rules allow you to use the die in any order, without restrictions. That's good enough for me. Sure, it's different from the rules from the international backgammon federation, but there's no doubling cube here either.

20. Juli 2005, 11:16:42
playBunny 
Thema: Re: illegal move allowed?
AbigailII: I use the following logic: It's acknowledged as a bug. If it were within the rules then it wouldn't be a bug. Therefore it's illegal.

20. Juli 2005, 11:12:17
AbigailII 
Thema: Re: illegal move allowed?
playBunny: It's against the rules

It's not against the rules as presented on the rules page.

20. Juli 2005, 11:03:08
playBunny 
Thema: Re: illegal move allowed?
Wil: It's against the rules and not being forced to move using both dice values is a known bug. Until implemented properly it's either a question for your own conscience and sportingmindedness (to play by the rule), or it's a decision that both players should agree to (to take advantage of the bug). both of those are fair ways to deal with it. I know it's a tourney loser but I'd make the correct move 24/20/15 (but then, I was on the wrong side of this same situation and wasn't pleased that the guy took the illegal route without hesitation. He's just been banned for cheating - multiple nicks and rate fixing - but that's a different story, lol).

You could put the question to Sharon - ask her is she's willing to take the gamble. Your chance of winning would be about 1/40. ;-)

If you want to see what thoughts there were last time, stick bug into the search box on this page. It's the same rule but in hypergammon.

20. Juli 2005, 09:28:46
Walter Montego 
Thema: Re: illegal move allowed?
Wil: That's how it plays on this site. There's been an ongoing debate about it too. You either make whatever move you decide or you make the move as allowed by the rules that you and your opponent agree to play by. Since you called it an illegal move, I'll assume that you're used to playing that if only one die can be used the higher must be used, and that you also play that if both dice can be used then you must use them both and a player isn't allowed to play one die in such a way that the other die cannot be played if it is possible to play both dice by making a different move.

20. Juli 2005, 09:22:05
Wil 
Thema: illegal move allowed?
http://brainking.com/en/ShowGame?g=913674
Move number 19. This site allows me to do an illegal move. Black can move 4 at home and leave 5 unmoved. Is it fare play to do that? I'll wait a couple of days before continuing...

18. Juli 2005, 00:19:35
Artful Dodger 
Thema: Re: Hypergammon tuition sought
WhiteTower: I move to win ;)

17. Juli 2005, 23:26:26
WhiteTower 
Thema: Re: Hypergammon tuition sought
ArtfulDodger: and the explanation is... ?

17. Juli 2005, 17:25:51
Artful Dodger 
Thema: Re: Hypergammon tuition sought
playBunny: yah, me. ;)

17. Juli 2005, 15:41:58
playBunny 
Thema: Hypergammon tuition sought
Is there anyone who knows hypergammon well enough to explain why they choose their moves and would enjoy doing so?

15. Juli 2005, 09:21:19
Hrqls 
Thema: multi nicks
tournament games are less likely to be between nicks .. so the check could be applied to normal games alone ..

i am not sure if someone would have a 2 paying nicks .. so maybe the check could be done on pawn games most of the time ?

15. Juli 2005, 01:12:35
playBunny 
Thema: Re: IP addresses
Pedro: Thanks. :-)

AbigailII: While this site has a small clientele the overlap of IP addresses is reasonably unlikely to occur (eg. 600 UK registrations, a mere 70 for Italy). Agreed, when we have hordes of people all from the same source then IP address distinctiveness becomes more tenuous.

IP address as an indicator of personality? Lol. I usually use behaviour for that ... sometimes foot size ... maybe house number . . . but never IP address. ;-p

15. Juli 2005, 00:51:18
Pedro Martínez 
Thema: Re: Rating cheats
AbigailII: Yes it can help.

15. Juli 2005, 00:25:34
AbigailII 
Thema: Re: Rating cheats
playBunny: Aye, the IP address can be used to help in these matters.

No, it can't. An IP address is not a good indicator for personality. There are large ISPs out there with millions of customers (like AOL) that funnel most of the outgoing HTTP traffic through a relatively low number of proxies. And since it's the proxy that makes the connection to Brainking, it's the proxy's IP address that shows up. And if it's not web proxies, it can be NAT boxes. Ever used a laptop with a wireless connection? Chances are, you're behind a NAT box which means that anyone on the same wireless network will show up with the same IP for the outside world.

14. Juli 2005, 22:11:46
playBunny 
Thema: Re: High ratings
Andre Faria: That's not a good method. There's a new guy at #2 - el diabolique, rating 2587 - who's got there by winning his first 4 games. This was in a tournament against 4 different opponents so fair play is to be assumed. There are three other players in the top 20 who have had early and legitimate success. Such gains are to be expected from any expert player who joins BrainKing.

14. Juli 2005, 21:14:35
Chessmaster1000 
Thema: Re:
grenv: ........

14. Juli 2005, 21:12:24
grenv 
Thema: Re:
Andre Faria: Many people have high rantings very early on. It's the ratings I'm worried about

14. Juli 2005, 21:05:11
Andre Faria 
And you can suspect of those guys who just got very high rantings too quickly...

14. Juli 2005, 21:04:56
furbster 
Of course its not. In fact we only play against each other if we get paired in tournements, i never invite her to a game at all lol.

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