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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. d3
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Giuoco Pianissimo rd bd qd kd nd rd pd pd pd pd pd pd pd nd bd pd bl pl pl nl pl pl pl pl pl pl rl nl bl ql kl rl
Giuoco Pianissimo
With 4.d3, White plays the Giuoco Pianissimo (Italian: "very quiet game"). White aims for a slow buildup deferring d4 until it can be prepared. By avoiding an immediate confrontation in the center White prevents the early release of tension through exchanges and enters a positional maneuvering game. If White plays c2-c3, the position can take some characteristics of the Ruy Lopez if his bishop retreats to c2 via Bc4-b3-c2. (The alternative move order 4.c3 Nf6 5.d3 is common in master play.) Despite its drawish reputation, this variation became more popular after being taken up by Anatoly Karpov in the 1978 World Championship. Black may also play the rare /4...f5/ to gambit a pawn and create a more combative game.
Theory table
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3
4
5
6
7
8
9
10
11
1
...d6
O-ONf6
Nc3h6
h3O-O
a3a6
b4Ba7
-/+1
2
......
c3Nf6
Bb3O-O
h3Be6
Nbd2a6
Qe2Ba7
g4Nd7
Bc2d5
-/+
2
......
......
O-OO-O
Bb3a6
Nbd2
=
3
...Nf6
Bg5h6
Bh4d6
Nbd2a6
a4g5
Bg3Nh5
c3Qf6
Qe2Nf4
=
4
......
Bb3d6
c3a6
O-OBa7
Nbd2O-O
h3Be6
Bc2h6
Re1Ne7
-/+
Notes
1: Good chances for Black
References