That's a good start, but try learning positional ideas as well. It's much harder to determine how well you're doing compared to tactical prowess, as you need to put the ideas you've learnt into practice in real games. However with computer programs and chess online, it's a lot easier than it used to be.
Originally posted by Falco Lombardi Every night I solve 25 tactical problems. I am wondering if this is enough to improve or if I should do more.
I do 5 a day just to keep fresh but when I was doing my tactical training....Well I don't want to get into that. Check my blog for that. Address is under my profile. It helps a lot especially at the lower level.