Openings
You do not need to memorise opening theory to play a good opening. You need a handful of principles that work in almost every position.
The four central squares (d4, e4, d5, e5) are the most valuable real estate on the board — pieces in the centre attack more squares. Stake a claim with a central pawn: 1.e4 or 1.d4 are the classic first moves.
Get knights and bishops off the back rank toward active squares early. Knights before bishops is a useful rule of thumb because knight squares are easier to judge.
Every tempo counts. Moving one piece repeatedly in the opening lets your opponent develop several pieces while you develop one.
Castling tucks your king into safety and connects your rooks. Aim to castle within the first ~10 moves, usually kingside.
An early queen gets chased by your opponent's developing pieces — you lose time moving it to safety. Develop minor pieces first.
Once your minor pieces are out and you've castled, put rooks on open or half-open files where they have scope.
Winning a pawn but falling three moves behind in development is usually a bad trade in the opening.
Decide whether you're keeping the centre closed, trading, or pushing. Drifting without a central plan is how good positions go stale.
Follow these and you'll reach a healthy middlegame far more often than an opponent who memorised twenty moves of one line. Pick one full opening to start with — see our openings library.
No. Learn the principles first (centre, development, king safety). Memorise a few moves of one opening you enjoy, and understand the ideas rather than the move order.
Both are excellent. 1.e4 tends to lead to more open, tactical games; 1.d4 to slower, strategic ones. Pick the style you enjoy.