Why play the London system?

The London System
The London system is an effective chess opening for all levels. All the moves in this opening are easily understandable. The typical piece locations are shown below:

It’s a good choice for players who want to focus on the middle game and not so much on theory. The London system has well laid out middlegame strategies.

At the beginner intermediate level, it is not important to make the most effective moves but to play smart chess moves. It means knowing where to fight the opponent and making the Black fight on turf known to the White player.

As white plays the London structure more often than Black, white will definitely have more experience in handling the complications.