opening

King's Pawn Opening also known as King' Gambit Opening is a very good way to start your game as white.
it starts as white plays e4 and black plays e5.
the five opening rules are:

1. don't play a piece twice
2. castle your king early
3. have center control of squares e4, e5, d4, d5
4. develop your pieces
5. don't bring out your rook and queen early

9 more openings are:
Queen's gambit
Bishop's gambit
French defense
Sicilian defense
Dutch defense
Karo-kann defense
English opening
Nimzo-indian defense
Italian opening