Chris, I just finished trying all the changes that you hinted me. But, honestly, the problem remains. The only way to get an effect closer to the original is if I change the resolution to 240p in Youtube. Anyway, here are all the different settings:
Oh yes,I think so, Chris. I tried deselecting frame reordering but, as I can remember, with no success. But, just to be sure, I will try that again when I get back home and post the result here. Anyway, thank you very much for your reply.