Ruy Lopez - fianchetto (Smyslov/Barnes) defence
1. e4 e5 2. Nf3 Nc6 3. Bb5 g6
White advances the king's pawn to e4. Black pushes the king's pawn to e5. White develops the knight to f3.
Black develops the knight to c6. White develops the light-squared bishop to b5. Black pushes the g-pawn to g6.