all polgars sister were not a thread to the champions kramnik, kasparov, karpov, anand etc. got beaten very badly by them
I have no clue what this has to do with anything. The Polgar sisters were the three strongest female chess players Hungary has ever seen. There has been nothing like them, male or female, in all of chess history. So they didn't become world champions. They also didn't play at 2900 level. They were still extraordinarily successful. The fact that they didn't beat Kasparov doesn't say anything about whether Laszlo Polgar's experiment was successful or repeatable.
Obviously, good genes, good circumstances, and great training from birth created three of the best players in the world, one of which broke into the top 10 in the world, and one of them has the highest rating any female has ever achieved.
No - this is only your perception. And if you look at your text with critical eyes you will see, that there's no single proof of evidence for the dominating role of genetics in it.
Quote: 3 sisters, all with very similar chess playing capability.
No - the chess playing capability is highly different. A short search now shows Judith 2675, Zsuzsa 2577, Sofia 2450. This is half a standard deviation at least. The difference between Judith an Sofia is the difference between a strong GM and an IM.
Quote: NO other similar young children have done this, meaning Laszlo Polgar's methods have been unsuccessful in being replicated by anyone else.
How do you know that someone has done this by the same methods? Show me the case studies!
Quote: If your kid can play blindfold chess accurately and at a good level at age 6, I think you can say without question that it's much more a matter of talent than training.
Completly wrong! Playing blindfold is a function of playing strength with some variation caused by factors like style of perception, ... The empirical data about this are better explicable by nurture than by nature.
Quote: If you actually try and train the typical 4-5 year old, not only will they fail to comprehend chess, they won't have the attention span to even pay attention to your teaching for more than 10 minutes.
It depends. What is comprehending chess? Who is the teacher?
Put a four year old kid in front of a PS4 and look how long it is able to concentrate. You will start thinking about your teaching methods in case your interested in learning something. You will forget it in case you want to keep your view of the world. It's not (only) the kid, it's the way of teaching. I had several 5yo kids in my courses that learned the rules and won games against 7yo kids after 3 month. The kid factor is interest in chess. I really doubt nature created some chess interest genes.
Quote: I'd place all my bets that the Polgar girls would have been outstanding chess players with any serious chess coach, not just Laszlo's methodlogy.
This is a belief. Let's stay sane and agnostics.
Quote: Furthermore, this experiment HAS been repeated, ad nauseum, just not in chess. Hardcore Asian parents have long subjected their children to intensive academic (especially math) preparation, starting at age 2, many with almost a single-minded purpose. It's true that because of this method, Chinese children test far higher than the 'average' American child, but no educator would go so far as to say that these early prep methods are causing China to have an enormous number of math prodigies that eventually become world-class mathematicians at the world class level. If anything, it's staggering how normal the # of math geniuses are that come out of China despite the huge parental emphasis on math at an early age, many parents of which do in fact push their kids as hard if not harder than Polgar did, just in math, not chess.
Again: It is no experiment in a serious sense. It's a case study. Please get some information about the difference. Else you will stick to the shown illusions in your mind. What Chinese parents do und which circumstances for wich result is indeed something else than done by the Polgar family.
Pardon me if something offends you. This is not in my intention. But it is really hard to get for an educated person, how this talk about "talent", "genius", ...., is thrown around without knowledge about the basic results won from scientific research about this topic. There's a reason, why the nature-hypothesis has less support in science.
Again, as an overall response to your post:
How many Judit Polgar's has Laszlo been able to create outside of girls who had the same DNA?
ZERO.
How many players of even similar class have been created, credit with mainly using Laszlo's methods?
I'm not absolutely sure, but I think the number is close to ZERO. Feel free to correct me if I'm wrong and show me if otherwise.
Again, I'm not saying training/nurture isn't important - it's absolutely important for any genius in any field. But without the world-class talent to match, fuggetaboutit.
I just get tired of hearing Laszlo Polgar's name repeatedly brought up as an example of how 'nurture' can really create something special in kids. He has a great story, and even I would love to believe it, but as a main rule in science - if NOBODY ELSE can reproduce your results, you should be highly, highly skeptical that your methods and your story are as effective as you say they are, and you should start immediately looking for a different explanation.