Is the rule about at the point of contact or does it apply to at every stage
of the serve? You might want to check if at contact he's not behind the
> Please look on http://www.callnetuk.com/home/tabletennis/liu7.jpg
> It seems to me that this serve is illegal, Liu serves behind his body.
> What do you think?
> Erwin with his psi can do
> Calculations quite a few.
> But one thing has not been seen
> Just what does psi really mean.
> (Walter Huckel, translated by Felix Bloch)