You should look for laptop with good processor, 8 or 16 gb (i recommend 16) of RAM, SSD necessarily and if you love to play 3D matches on high quality you also need solid graphic card. If you are okay with 2D graphic, u can ask for some cheaper graphic card.
Certainly, I think you should consult with someone else too.
I hope I helped at least a little. Sorry for bad english. Stay safe.