The installation went relatively easily by hand. Only the armrests were somewhat cumbersome. Here it is worthwhile to have another person there.
The seating comfort is ok. Absolutely not outstanding but for my 90 kg weight in order. Even after longer "sessions" I felt no major problems. The backrest could be a bit higher for my taste. Here's my Height 1.90 m probably the problem. But no real drama.
Very good I think the armrests that can be folded up if required above. Only when one has the opportunity to do this, one is struck by how often you use it.
What bothers me a little, the sounds are those of the chair makes the move. On touchdown the seat he creaks slightly. Are now no noise but hell just yet audible.
CONCLUSION: An ordinary office chair in the longer game sessions at the computer comfortably remain with slight weaknesses. Due to the low price but everything defensible.