There are multiple options, I need to know which is suitable for me.
My style is irresponsible attacking, just like Mikhail Tal, i make blunders and brilliancies, I like to attack and avoid any positional lines. I love playing endgames.
I need theoretical lines which need memorisation. Also do not prefer king's indian as ive tried it out.
The Grunfeld is the solution for you! It has lots of theory and is aggressive, but you have to learn to play with less space.
Other alternatives:
-> Benoni (both old and modern): You want theoretical lines but the Benoni doesn’t have much theory
-> Kings Indian: obvious
-> Classical Dutch: [Leningrad is much less aggressive] You have to win in the Middlegame because your endgame structure is really bad so you have to use your pieces to attack in the Middlegame.
the KID is a great attacking opening because most amateurs will be clueless how to withstand your kingside attack and collapse once you go f5-f4.
But my personal tip is 1. d4 d5 2. c4 c5, especially OTB you can enjoy the surprise faces on your opponents ...
It sounds like: please, how to win effortlessly, I like attacking without counterchances.
I go KID burning the board. Like Tal.
I doubt that Tal was making blunders during his attacks. Also i am sure, that he could play very safe and solid setups too.
As a D4 player i do not enjoy playing against Benoni, and Grünfeld the most.
For example Benko Gambit is very OP
Nimzo-Indian is so simple yet, so effective.
Kings Indian Defense is OP
So you want to memorize lines and play like Tal? the Modern Benoni/Nimzo combination would be a good choice. I kept getting rolled in the center when I play the modern Benoni, but I think that I just needed to know the lines very well, else it's a disaster.
Given your description, maybe look into the budapest gambit. Not the soundest, but not the worst either and it seems to give the kind of thing you're looking for.
Queens Gambit Accepted. I learn it rn an just love it. A lot of sharp, agressive, chaotic, antipositional lines. you can create complete chaos on the board in 10-15 moves. hate boring positional chess too.
