Quackle assumptions

Information about Quackle, an analysis tool and worthy computer opponent

Quackle assumptions

Postby rurist » Sun Feb 01, 2009 4:50 pm

I recently started analyzing my games using Quackle and I notice that Quackle seems to give more weight to certain leaves than I would. My thought is that this occurs because Quackle assumes perfect word knowledge is including the possibility of drawing bingos that I don't know. (I'm only about halfway through the type I sevens). Does anyone know whether this is the case?
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Re: Quackle assumptions

Postby Graham Haigh » Mon Mar 16, 2009 11:39 am

Yes, I believe this is the case. How often this means the best leave for someone with limited word knowledge is different is another question. My guess would be not very often at all. A further question is how much time it is worth spending investigating this which could be used to rectify the gaps in your word knowledge. I have found Quackle very useful for improving my leaves. At a time when I was only really familiar with the top few hundred 7s and 8s by probability I definitely had a tendency to put an extra vowel in my leaves, probably influenced by the high number of four-vowel 7s in this list.
Graham Haigh
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Re: Quackle assumptions

Postby JasonV12 » Mon Apr 20, 2009 6:16 pm

Hmm, never thought about this, but that is probably true.
Jason Vaysberg, 17, MN
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Re: Quackle assumptions

Postby EdLiebfried » Thu Feb 10, 2011 7:32 pm

A wily veteran expert once advised me: When in doubt, take the points. I think you've hit on one of the reasons.
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Re: Quackle assumptions

Postby kev10293 » Thu Sep 20, 2012 6:15 am

I'm currently looking into these quackle assumptions.

I don't think the values have a whole lot to do with word knowledge. The way I see it, a person needs to learn every single word in the dictionary before they even have a chance to play the game properly. But beyond that, things tend to average out, and if you study high probability words, you should actually prefer to keep a better leave over a worse leave for more points. So I tend to disagree with your assumption.

If you know less words, you should keep leaves that you are comfortable with, which will hopefully be good leaves.

The values, if they are wrong, have to do with the assumption that the opponent won't play defensively. I have a lot of trouble grasping how much this actually matters, but from what I can tell, there is a little bit of risk in giving away that you have good letters. This might be a minor mistake of Quackle (not going to call it a major mistake quite yet).

Word knowledge is irrelevant though. Just learn all the words, period. I know this sounds ridiculous, but at least the top 10000 bingos you should know pretty comfortably if you wish to play competently. 90% of scrabble is word knowledge. Strategy is only effective if you actually know the words.
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