I’m not sure if I qualify to be higher-rated @kingsideinvasion, you have improved so much! Nevertheless, here’s my advice: you should master one opening each for white or black (so 2 in total). Then, when you get to 2000+, you should try to learn different openings to try because high rated masters can anticipate your moves and prepare before playing with you if you play only one opening. For now, you should stick to 1 because we’re not that well known yet 
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Should I play multiple openings to get used to different positions?
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As someone about 1500, I am not qualified to say much here, but I would guess that the decision might somewhat depend on individual considerations. For example, if you play regularly against the same opponents, that makes it more desirable to incorporate variety into your game. Also, at your rating, it seems like a good guess that improvement is needed in many areas. I would think that it would be desirable to be confident that your opening study leaves you with time to give adequate attention to other matters.
Jan 23, 2020
0
#4
KingSideInvasion wrote:
I have this question to ask the higher rated players... As a low 1500 rated player, should I play different openings to get myself used to playing in different kinds of positions, or should I stick to one reliable opening I can master?
I recommend one opening, multiple variations. Gets you the somewhat diverse pawn structures without having to relearn the kitchen sink. Avoid openings that are narrow like the Dragon or Latvian Gambit.
Examples:
Ruy Lopez - You could play the Berlin and 3...a6 (Chigorin, Breyer, etc)
French - You could play Winawer, Classical, and Rubinstein, Open (IQP) and Closed (backwards e vs IQP) Tarrasch, etc. As white, I play 3.e5 and KIA OTB, 3.Nc3 in correspondence.
Najdorf - learn e5 and e6 lines. Against 6.Bg5, learn 6...e6 and 6...Nbd7.
Caro-Kann - Play both 4...Bf5 and 4...Nd7 against 3.Nc3. There are some different lines against the advance but can not think of them now. Etc.
Same thing goes for QP openings.
Nimzo - 4...O-O, 4...c5, and 4...b6
KID - 6...e5 with 7...Nc6 and 7...Na6, 6...Qe8, lines with ...c5 instead of ...e5.
Slav - 4...dxc4 and 4...a6
QGD - orthodox, Tartakower, and Lasker
Etc.
Same thing goes for White. 1 opening move, diversify within (see French above).
You get the diversity without having to relearn whole new openings and basically master the opening you play rather than know a line. Why do you think I have said before on these boards that while I can answer basic questions on almost any opening, when it comes to in depth questions, I specialize and mostly respond to French and KID threads? It is not because I know one narrow line of the Winawer!
Jan 23, 2020
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#6
i personally when i started playing i stuck with e4 but then i gravitated to a bunch of weird opening, but i settled with d4 for the queen's gambit.
Jan 23, 2020
0
#7
i also don't qualify as a good recommender imma lower rating than you
If you are young and want to improve, I think it's good to play lots of types of positions. When I was in that category, if I saw an interesting game where I understood the transition from opening to a good middlegame, I'd play it and see what I could learn. If you want to maximize your chance to win the Class C section (and are happy there), play one opening againagainagain... Alternately, do what you enjoy: IF you like risk and adventure, explore. If dont play it safe.
I usually stick to one opening move as White, but I do play quite a few variations of that opening from time to time. So if you ask me, you should play one opening move (eg 1. e4 or 1...e5) and try out a few variations in that opening