Coupling problems or givers/takers?

Hi guys, I’ve got a Saab 9000 CS 2.3 Bj.94 and my Saab is having trouble switching. The last time driving the gagne went in as usual buttery soft. Then suddenly immense increased effort when switching. I brought the gears, when driving as the problem hardly occurred any more. It seems to work a bit better when you push the clutch down to the ground. The pressure of the clutch pedal seems to be normal and the pedal comes back again quite normal after passing through. During the last rides, a slight jerking was felt especially during the first gear when driving. Has there been more of the clutch flutes or does that suggest more to a problem with the encoder/accepter? Can that possibly have to do with the switching rod? Thank you for your help!