1.e4 e5 2.Nf3 Nc6 3.Bc4. Three moves, and White’s bishop is already staring at f7, the only square in Black’s camp that nothing but the king defends. The knight on f3 attacks e5, the pawn on e4 holds the centre, and White can castle next move. There is no other opening where so little effort buys so much.
The plans, once the pieces are out
Two of them, and you choose by how much you like a fight.
The slow one: c3, d3, Nbd2, then the knight walks d2-f1-g3 while the bishop drops back to b3. Nothing opens, White builds up, and the break d3-d4 comes on move fifteen when it is ready. The main line of the Giuoco Piano after 3…Bc5 4.c3 Nf6 5.d3 d6 is exactly this.
The old one: 4.c3 and 5.d4 straight away, blowing the centre open while Black’s king is still on e8. After 3…Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 the pieces come flying off and whoever calculates better wins. That is a fine way to learn, so long as you accept that some of the games will be short.
Whichever you pick, the target does not change. The bishop on c4 and the knight coming to g5 both hit f7, and attacking f7 is the single most common source of tactics in beginner chess.
The Fried Liver, and which side of it you want to be on
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h 1 That is the Fried Liver Attack, and White is close to winning after seven moves for the price of a knight. The king has to walk to e6 to hold d5, the defence after 7…Ke6 8.Nc3 is a run of only moves, and no beginner finds them at the board.
The mistake was 5…Nxd5, putting the knight on a square where the bishop on c4 and the queen can both hit it. The right move is 5…Na5, attacking the bishop on c4 and letting the pawn on d5 go for now. Black is a pawn down and perfectly fine. Or simply play 3…Bc5 on move three and the whole thing never comes up.
As White, this is the reason to open 1.e4 as a beginner. As Black, it is the reason to know your own opening four moves deep instead of three.
Where the Italian sits
It is not a beginner opening that you outgrow. 3.Bc4 came back into fashion at the top level with the quiet d3 treatment, and it is played in elite tournaments today, which is more than can be said for most openings people recommend to new players.
If you want the other classical treatment of the same position, the bishop can go to b5 instead: see the Ruy Lopez. And if the whole thing looks like too many choices, the beginners’ opening page gives you six moves to play in every game and nothing else to remember.