Pirc Defense: 150 Attack, Inner Doll Defense is a chess opening with the ECO code B07, part of the Pirc Defense family. It goes 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Bg4. White opens with 1. e4 (the king's pawn) and Black answers 1... d6. After 10 moves it is White to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. e4 – White plays the pawn to e4
1... d6 – Black plays the pawn to d6
2. d4 – White plays the pawn to d4
2... Nf6 – Black plays the knight to f6
3. Nc3 – White plays the knight to c3
3... g6 – Black plays the pawn to g6
4. Be3 – White plays the bishop to e3
4... c6 – Black plays the pawn to c6
5. Qd2 – White plays the queen to d2
5... Bg4 – Black plays the bishop to g4
About the Pirc Defense
Black answers 1.e4 with 1...d6, then ...Nf6, ...g6 and ...Bg7. Black lets White build a centre and counterattacks it later.
Black breaks with ...e5 or ...c5 after castling.
White's sharpest try is the Austrian Attack with f4 and e5.
Another plan is Be3, Qd2 and Bh6 to trade Black's strong bishop.