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    Posted: 12/28/2017 at 10:10pm
EmRatThich had an interesting new video on ball/racket contact point.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote ohwell Quote  Post ReplyReply Direct Link To This Post Posted: 12/28/2017 at 11:34pm
No need to update Bayesian priors here.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lineup32 Quote  Post ReplyReply Direct Link To This Post Posted: 12/29/2017 at 11:05pm
Not a coincidence that refined trained swing is required
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mickd Quote  Post ReplyReply Direct Link To This Post Posted: 12/30/2017 at 9:10pm
My thread is in that video!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fatt Quote  Post ReplyReply Direct Link To This Post Posted: 12/31/2017 at 5:45pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rocketman222 Quote  Post ReplyReply Direct Link To This Post Posted: 12/31/2017 at 5:58pm
For some reason I don't buy his contact the ball at the top of the racket during forehand drives theory.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote NextLevel Quote  Post ReplyReply Direct Link To This Post Posted: 12/31/2017 at 6:08pm
Originally posted by rocketman222 rocketman222 wrote:

For some reason I don't buy his contact the ball at the top of the racket during forehand drives theory.

The whole region of 3,2 and 3,3 is where most pros contact their shots, even serves despite the claims you can get more spin close to the edge and take advantage of certain things about the racket.   I am actually not as accurate and most of my shots fall in 2,2 to 3,3.

I don't think he is saying anything original so I wouldn't consider any of it his theory. What coaching tends to be about is explain the implications of not contacting the ball in the precise area and giving drills to fix it if it is a big deal. I will photograph my racket sometime my backhand is almost textbook but my forehand is in the 2,2 to 3,3 pocket and sometimes wilder if my technique is changing.
I like putting heavy topspin on the ball...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rocketman222 Quote  Post ReplyReply Direct Link To This Post Posted: 12/31/2017 at 9:02pm
I might be doing it wrong, but I aim for 2,2 and 3,2 on all my forehand/backhand counters and drives, and 3,3 when looping underspin. I feel that 2,2 and 3, 2 are the most stable spots on the blade.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote NextLevel Quote  Post ReplyReply Direct Link To This Post Posted: 12/31/2017 at 9:31pm
I would be lying if I said I aimed for a point on the racket. How my backhand does what it does I have no clue. I just hope the ball makes it except when I am serving no spin and even no spin I still hit the same spot just flatter.
I like putting heavy topspin on the ball...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BH-Man Quote  Post ReplyReply Direct Link To This Post Posted: 01/01/2018 at 12:58pm
Kim Jung Hoon is the wild man in the house who says all players should strive to hit CENTER OF MASS with all their shots so the bat will not "Shake" at impact and give unstable control. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ohwell Quote  Post ReplyReply Direct Link To This Post Posted: 01/01/2018 at 2:44pm
Originally posted by BH-Man BH-Man wrote:

Kim Jung Hoon is the wild man in the house who says all players should strive to hit CENTER OF MASS with all their shots so the bat will not "Shake" at impact and give unstable control. 


Yet he plays with all wood? Hmm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BRS Quote  Post ReplyReply Direct Link To This Post Posted: 01/01/2018 at 3:41pm
To me this is yet another thing where absolutely no good will come of thinking about it. On serves sure, you can hope to precisely control the contact point because you have command of the ball throughout. On every other shot you just try to get your body into the right place to let your swing do what it does.

The longer I play, the fewer things seem helpful to know or think about.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smackman Quote  Post ReplyReply Direct Link To This Post Posted: 01/01/2018 at 3:48pm
I hit the ball from 3/5 once am I bad
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Baal Quote  Post ReplyReply Direct Link To This Post Posted: 01/01/2018 at 4:38pm
I agree with BRS. The sweetest spot of my blade is not the center bit a little further up. Still, it is not zen to tbink about stuff like that on any shot other than serve. Also for me it ,atters on BH a d not on FH. On FH body rotation takes care of the power.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dajdosta Quote  Post ReplyReply Direct Link To This Post Posted: 01/03/2018 at 10:43am
Good contact point is needed for backhand to get consistent powerful shot. It is near top of the blade head as can be seen in this video someone posted in another thread
Coach hits consistently with contact point between 4,2 and 3,2 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fatt Quote  Post ReplyReply Direct Link To This Post Posted: 01/03/2018 at 2:08pm
Originally posted by BRS BRS wrote:

To me this is yet another thing where absolutely no good will come of thinking about it. On serves sure, you can hope to precisely control the contact point because you have command of the ball throughout. On every other shot you just try to get your body into the right place to let your swing do what it does.

The longer I play, the fewer things seem helpful to know or think about.
that last sentence reminds me somebody’s funny signature.

In theory we can do different things using different contact points but:
1) I’m not sure the one that works best for any given stroke is the one I actually use (however it does not matter if the mistake is consistent).
2) I have more important flaws to think about and contact point is like the index finger position against the bh side during a fh: should I care or is it a question for much, much, much higher level than mine?


Edited by fatt - 01/03/2018 at 3:13pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fatt Quote  Post ReplyReply Direct Link To This Post Posted: 01/03/2018 at 3:53pm
a few edits...



on the picture in the OP, if we call:

A = center of the square formed by 3-1, 3-2, 2-1 and 2-2 squares

B = center of the square formed by 3-3, 3-4, 2-3 and 2-4 squares

C = center of the square formed by 3-2, 3-3, 2-2 and 2-3 squares (center of the head)

D = center of  rectangle formed by 3-2 and 3-3 squares (traditional sweet spot for efficiency as in lowest [energy input]/[speed-spin output] ratio).

E = center of square formed by by 3-2, 3-2, 4-2 and 4-3 squares (for greatest speed)

F = center of square formed by by 1-2, 1-3, 2-2 and 2-3 squares 

on the following, the picture in the OP does represent the BH OR the FH. (if it represents the FH only, then A is always best control on spinny strokes and B gives best control on all serves.)

Just for the little story, on fh serves, B is where I aim for control. On bh serves the same better control is achieved on A.

On fh spinny strokes max control is on A; B on the bh spinny strokes. Of course, for best control with strokes generating no spin balls, dead center C is always best.

During training, actively thinking of these A and B alternate control sweet spots allows better focus and contact; for those not sure if it's true or just a fluke, try serves at home with a clean rubber and new dusty balls; aim for those regions A and B for control. Please report here if you test. Aren't results immediate in terms of serve placement and consistency?

If it is true on serves, it should also be true on all strokes. Since rarely we use 100% of our strength, that's where I think we should always go and add a bit of aggressiveness to compensate the loss of speed by deliberately moving the sweet spot for an increased control: I guess there is the sweet spot for speed and spin, a bit above the center on D, and the sweet spot for control, left or right of the center, A or B, depending the stroke.

I do it only on serves; I just can't think of it after serves; maybe I should.

the control alternate sweet spots, or CASS, what a concept! forget about fast cash; think of fatt's cass.

or ASSC? come on peeps, ASSC yourself if you should believe all that nonsense!

Soon on the market will be plenty of quad sweet spot blades: the exact same blades with more marketing! my blade enhances the 4 main sweet spots better than yours.

I never use consciously the very top E and very bottom F of the blade face, but hitting through a high enough underspin ball with E is really rewarding! sometimes those shots made by mistake are the best ever and they are controllable with practice but I have no time to dedicate to that, footwork and consistency first!



Edited by fatt - 01/03/2018 at 4:34pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bard romance Quote  Post ReplyReply Direct Link To This Post Posted: 01/03/2018 at 6:32pm
Originally posted by BRS BRS wrote:

To me this is yet another thing where absolutely no good will come of thinking about it. On serves sure, you can hope to precisely control the contact point because you have command of the ball throughout. On every other shot you just try to get your body into the right place to let your swing do what it does.

The longer I play, the fewer things seem helpful to know or think about.

So it seems you've come around a bit on ERT, haha.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BRS Quote  Post ReplyReply Direct Link To This Post Posted: 01/03/2018 at 8:29pm
Not really, I still think ERT's advice is generally good. He is just running out of useful stuff to say about table tennis. Coaches tell us the same few things over and over for a reason, but that repetition won't fly on Youtube.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dajdosta Quote  Post ReplyReply Direct Link To This Post Posted: 01/04/2018 at 11:01am
Different contact points can be used while serving for deception.
Same movement produces different amount of spin/no-spin
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