What do you enjoy playing? Have you studied any openings already? What type of games do you play? Open/Closed semi open.
what is the beat opening under 1000?

Other openings i recommend are the french defence and QGD as black.

looking at 400-1000 stats, scotch gambit for white with 53% wins and just 44% losses in 9.6m games
Idk what should i play i have 860 elo