versatile opening for beginners


What you need is "chess opening principles". Five or six sentences, and that is all you need to be okay at the opening.

Here are some of the 'easier' (i.e., less 'theory' – documented lines and variations - to learn) 1.e4 openings for White which are sound and very playable at the amateur, club level. Typically, the 1.e4 games are so-called "Open" or "Semi-Open" games, where lines (files and diagonals) can more readily be opened which tend to lead to games of a tactical character, as opposed to "closed" openings characterized more often than not by blocked centers which tend to result in a more maneuvering, "positional" style of chess early on in the game...
Scotch Game
https://www.youtube.com/results?search_query=scotch+game
https://en.wikipedia.org/wiki/Scotch_Game
Ponziani Opening
https://www.youtube.com/results?search_query=ponziani+opening
https://en.wikipedia.org/wiki/Ponziani_Opening
Vienna Game & Gambit
https://www.youtube.com/results?search_query=vienna+game
https://en.wikipedia.org/wiki/Vienna_Game
Introduction To The Vienna Game & Gambit
https://www.chess.com/blog/RussBell/introduction-to-the-vienna-game-gambit
The Italian Game – more challenging to learn (i.e., more 'theory') than the above, but a very rich and sound opening complex, which can be played for your entire chess career, even at the highest levels...
Introduction to The Italian Game & Evans Gambit
https://www.chess.com/blog/RussBell/introduction-to-the-italian-game
Bishop's Opening – this is not an opening per se, but an opening 'gateway', leading to a rich variety of openings (useful for keeping your opponents guessing!) including several of the above, especially the Italian Game...
https://www.youtube.com/results?search_query=bishop%27s+opening
https://en.wikipedia.org/wiki/Bishop%27s_Opening
If you prefer to play 1.d4 as White, then among the 'easiest', yet sound and effective, openings to learn are...
The Stonewall Attack - I consider this to be a precursor to the London System. There are some similarities between the two, with the Stonewall being the easier to learn as there is less theory, while also very playable at the amateur, club level...
The Stonewall Attack...
https://www.chess.com/blog/RussBell/stonewall-attack
Introduction to the London System & Jobava London System
https://www.chess.com/blog/RussBell/the-london-system
Chess Openings Resources for Beginners and Beyond…
https://www.chess.com/blog/RussBell/openings-resources-for-beginners-and-beyond
For more helpful, instructive chess resources, be sure to check out my blog...
https://www.chess.com/blog/RussBell