Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
tonyh: Earlier today (on another site) I doubled my opponent. But I have a man on the bar, and my opponent has a closed board. Meanwhile, on my side of the board, my opponent has one man back, behind--but not immediately up against the edge of--my 5-point prime. I double him now--I do not wait, which would give him the chance to roll a 62 that would jump my 5-prime and probably win--perhaps even win a gammon.
I double, thinking that it is more likely that he will have to break his board (allowing me to enter) on the next move or two.
But if I were auto-sleeping, and could not double until I actually had a chance of re-entering...I think it would be too late. My opportunity would have been lost.
I can hardly wait to conduct a long rollout of the position, to see whether my cube decision was correct. Maybe I'll post a link to the position, once that match is complete. I think it's interesting. Even if I'm wrong, I'll learn from it.
tonyh: Ahh...I see what you mean. Sounds good in theory, but I'm not a fan of the dice-rolling routines here. It's a looooooong story...
Anti-joker: a very bad dice roll--opposite of a "joker". In this context, a roll or series of rolls that would force a player to leave a home board blot or blots.
tonyh: LOL...every so often in such cases in over-the-board play, I do roll the dice (and I feel like an idiot). Mostly because I've gotten so used to having to roll in online play!
I wish the system made it easier to gather the data that would demonstrate the severity of this problem. As I've said elsewhere (I think), it could also help pinpoint when the problem began (or was it always this way?), which should help identify what changed to cause it. I also wish the problem occurred 100% of the time, which would make it impossible to dismiss. As it is, we have only the beginnings of statistical support for our claim, and gathering the aggregate data that would provide more solid support is a daunting task...for us the members.
Fencer is quite correct about the groundless wailing over poker or dice cheats. There's plenty of that online; such complainers are easy to find, and the vast majority deserve our scorn and satire. But the genuine exceptions (in online poker especially) that have come to light should give one pause.
Hats off to those who stood their ground in such cases, labored to gather the data, and revealed the truth at last.
(added comment Wednesday evening / Thursday morning): I plan to make one last good-faith effort to present some useful data. I plan to examine all of my backgammon (but no variants) games stored here from 2009--that's 13 matches, and a total of 137 games in which at least 2 rolls took place. I have no reason to believe that that year is appreciably better or worse than any other year of mine. I'm sorely tempted to separately track the opening rolls that I "won" and "lost", but I don't plan to do so for this exercise. If I'm understanding the situation correctly (and there are good "numbers" people here who will be able to correct me if I'm wrong), the responder's roll should theoretically match the opener's roll 1 in 18 times (or 5.555_ %), on average. I'm also going to report the percentage of responder's rolls where both dice differ from the opener's roll. Theoretically, I think that should happen 4 times in 9 (or 44.444_%), on average. But I think the actual observed value is going to shock and convince even the most diehard skeptics here.
Average expectation of opener's and responder's both dice exactly matching out of 137 played = 7.6111_ games. Observed number=38 games (27.737%)
That's about 5 times the expected frequency!
Average expectation of responder's dice both differing from opener's dice out of 137 played = 60.888_ games. Observed number=28 games (20.438%)
Herlock Sholmes: I like the idea a lot. We play a version of this on another site. The number of checkers remaining on the board in the final position count toward computing the "value" of a victory/loss, but there are some other multipliers counted as well: (1) the distance of the farthest checker back, ranging from 1 for being in their inner board up to 5 for still being on the bar, (2) 2x or 3x for gammons or backgammons, plus some additional multipliers that kick in in later rounds of tournaments, further raising the stakes.
So the games can range in value from just 1 in early rounds, on up through several hundred. Tournament participants begin with 100 units/points/chips. Players who suffer losses that cost all of their remaining units are eliminated from the event. To me, at least, the event has a poker-like feel, as the field is reduced in size, and relatively enormous sums change hands.
Argomento: Re: Restrict the number of tournaments created, by each player, per month
AbigailII: If these tournament creators cannot see for themselves that there is very little demand for their creations, I'm not at all optimistic about the chances of educating them.
Herlock Sholmes: Unfortunately, I can't think of a chess equivalent for the kind of cube handling decision one often must make in backgammon: is my position too good to double? (i.e., should I simply play on without doubling, because I have sufficient gammon chances?)
This is not to say that I don't like the idea of using the doubling cube in other contests...I DO like it, even if I can't always clearly state optimal rules or scoring implications.
Once, while at the curling club, I was a spectator watching games through the glass as a friend began playing. His team suddenly found itself in a difficult, dangerous position. I knocked on the glass, smiled, and held up a doubling cube with the "2" facing him. (I ordinarily keep my backgammon set at the club; my friend and I both play backgammon as well as curl.)
He completely understood my mocking cube gesture. He smiled back, and "gave me the finger"...in a friendly sort of way.
Herlock Sholmes: I like the sound of this...would love to do some play-testing. Did I understand this correctly: ONLY the 2 back checkers are ever borne off? (as opposed to the winner being the first to bear off those 2--although other checkers could be borne off along the way toward that goal?)
ChessVariant: I sure wouldn't mind a fellowship devoted to play-testing variants (whether just invented or already "established"--in the sense that rules are fairly well agreed-upon--even if there's no current implementation of the game here.) For such a fellowship, members ought to be disciplined--that is to say, I'd hope for members who will follow through...when they say they're willing to play a variant (by email, I suppose), they'll be likely to finish what they begin, will move at better then a snail's pace, and have the organizational skills to keep track of positions of games in progress.
Unlike you, my preferences in variants tends toward smaller departures from traditional western chess. I tend to prefer the standard set of pieces, moving in the traditional manner.
But I enjoy different starting positions (fischerrandom), different means of determining the moves to be made (compromise, dice), different goals of the game (castle chess), departures from the traditional white-black-white-black order of moves (progressive), or less-than-perfect information about the board position (dark).
tenuki: Agreed. Supposedly, the culprit created all those tournaments before they reverted to being a pawn. Regardless, most or all of them ought to be deleted somehow, as they are mostly duplicates that are only cluttering the listing.
Argomento: Re: Is this possible to add this 4 chess variants ?
tamerlano: I recognize your name from a couple of the World Internet Progressive Chess Championships. (You and I were both participants in WIPCC 1998.)
I know you've also participated in similar events, for the Fischerrandom version of (Scottish) progressive chess.
If we were to have progressive chess versions added here at BK, I'd much rather see Fischerrandom versions--or at least have them offerred as alternatives. To me, the opening moves from the standard starting position have been explored in great detail. At the highest levels of play the range of acceptable opening moves is exceedingly narrow--at least in the Scottish version. Playable theoretical novelties are very hard to find now. (I've got one TN saved that I will not waste in any event less serious than a world championship.)
I think the Fischerrandom versions allow for more original analysis. What do you think?
For my home set, I very carefully applied small (~1/8-inch) rub-on letters ("S", "G", "K", etc.) to the bottom right corner of each piece (other than the pawns, which I just left alone). I used lower-case letters ("g","d", etc.) for the obverse (promoted) side of all of them.
A nice result--a unobtrusive little reminder whenever needed.
P-G: I completely understand your comment about cats in your home. I thought you'd enjoy the photo currently in my profile, taken while I was trying to analyze a Lines of Action position. This cat clearly had some ideas about the preferred move. She's also a keen chess-player: a true king-hunter in the spirit of Tal, she makes moves that even super-grandmasters would never anticipate. (Her biting of the king's head afterward is the coup de grace.)
dicepro: I've thought a bit more about your comment about "...playing backgammon many times with doubling cube used right away...", which you described as being abusive. Maybe I need to know more precisely what you mean by "right away". If that means "as soon as legally possible", I don't have any strong moral feelings about such players' actions, but I'm absolutely convinced they're committing strategic errors (at most match scores, anyway), by voluntarily giving control of the cube to you without justification by the current game position and match score. Possession of the cube has been described as a tool or a weapon--it's undeniably a thing of value at most match scores. Generally speaking, I'd welcome the opportunity to play someone who wanted every game to be played at double the initial stakes, but with me having initial possession of the cube! In such a case, I'd have to say "Please, let's sit and play--and don't forget to bring your wallet!!"
But if "right away" instead means "very early in the game"...well, I'm not sure what's abusive about that, either. It might feel like one is being pressured earlier than expected, and such decision-making can be quite uncomfortable psychologically, at a variety of match scores. Here, too, the opponent is offering more than a doubling of the stake--they are offering you sole possession of the cube, and the exclusive right to be the "abuser", one might say.
dicepro: I mentioned the possible use of a doubling cube in dice chess back in August on one of our boards. Back then I was playing a lot of both backgammon and dice chess. I found that some of my dice chess endings could be analyzed in terms of probabilities very similar to those we see in backgammon bearoff positions. Some of my dice chess positions could be viewed as legimitaly being a "double and take", or "double and drop". Never reached the point of being "too good to double", though, as no (back-)gammon possibilities loom in dice chess. :-)
I've gotten to the point that I can no longer bear to play backgammon without the use of the cube. I've been told that it's "not really" part of backgammon, but I'd argue that it's essential to the game, and to what is best about it strategically.
Czuch: It would have been nice if somebody would have removed me from the pond after I fell into it. Or at least thrown me a flotation device or something...
Recently, I've been playing some Pah Tum, and have just read BK's discussion board on the game--much of which was devoted to finding ways to diminish the first player's advantage (which seems rather pronounced). I wonder whether some kind of komi--as in the game of go--might help balance the results. A value of about 3 or 3.5 ought to do the trick, but I'd like to hear some strong players' opinions as to an appropriate point value or the workability of this idea in general. I think one of the discussion board participants (coan.net) expressed a similar idea.
coan.net: Our FAQ says that ratings are based on the U.S. Chess Federation system. But as far as I know, once one has an established rating in the USCF, the rating formula computes changes by ignoring any differences greater than 400 points between the ratings of the 2 opponents. This used to have the effect of limiting rating changes to ±32 from any single game--even if I were to miraculously defeat Hikaru Nakamura...or were to lose a game to one of my cats (more likely, I think).
Argomento: Re: Could we have, Move and Goto next game with Pawn
Fencer: Thanks so much--that's a great addition to our "move and..." options. I'd recently gotten to the point where I'd no longer challenge pawns, because I hated to make them wait for my replies. But that was a sad solution, because I'd much rather play anybody...any kind of piece...any rating (or even none at all).
Eriisa: The only skills I've seen in roulette were possessed by those who recognized and exploited non-random elements in table games. Their schemes and stories are legendary.
pauloaguia: I've felt the same way about the http://brainking.com/en/GameRules page. The first times I got there to look for a particular game, I was at a bit of a loss. Now I understand the list's order better. With 104 games--and counting--supported, BK offers us an embarrassment of riches, as the saying goes.
grenv: I agree with you. My PC had been on, but idle while I was out of town for the weekend. BrainKing was my first site visited with IE upon my return. And www.errorprotector.com welcomed me very shortly thereafter. Pure coincidence? I don't think so.
Fencer: I'm also having a problem with the "change icon" function, receiving a message: "This file type not supported."
I was sure the file was a satisfactory JPEG. So I even tried re-submitting my existing icon file (which presumably should be okay), and got the exact same error message!
Nothingness: Also annoying are Horde Chess players who studiously avoid playing Black. It's hard to know what their high rankings signify, if they result from having played White 95% of the time.
gogul: Is there an intellectual property lawyer in the house? I wonder whether BrainKing would have to make royalty payments to Mattel Inc., Hasbro, or whomever currently owns the Scrabble trademark.
jurek: I understood the sarcasm, and didn't mean to take issue with that insightful message. My mistake was to reply only to Pythagoras, although there were a number of distinct and thoughtful postings on that subject.
Pythagoras: It wasn't so long ago that I was unrated at all variants here--it's so recent that I still remember it :) It would have been a shame if all rated players would have refused to play me for that reason (as it would have been their right to do). I'm thankful to all of those who took the risk and to those who shed some rating points. On my part, I've never blocked unrated opponents from my game invitations. I remember where I came from!
I should probably have posted this here, rather than on the "Chess variants (8x8)" board.
I'd like to see Compromise Chess added. It seems to me to be a close cousin (or maybe just an older aunt or uncle) of Ambiguous Chess.
Rules summary: player to move proffers 2 candidate moves (except in cases of forced or "only" moves--which are directly made); the other player decides which of the 2 candidate moves is actually played. (That's why it's a compromise: both players help determine what's actually played.)
Where things get really interesting: captures, checks, and responses to them.
Is there any way that Go boards could be re-sized, like we can for chess boards? If I could make mine larger, I could more easily see how badly I'm being outplayed by hexkid :)
(nascondi) Quando muovi in una partita puoi scegliere con quale partita continuare selezionando l'opzione adatta nella lista vicino al bottone MUOVI. (pauloaguia) (mostra tutti i suggerimenti)