The 4-2-3-1 formation at Monaco is a traditional defensive system that has been used by many teams in Europe and North America for years. It consists of four central midfielders, two defenders, three attackers, and one goalkeeper.

In this formation, the central midfielder is responsible for setting up attacks and creating space for the other players to move into. The two defenders are responsible for defending the defense, while the three attackers provide scoring opportunities from behind the line of play.

One of the strengths of this formation is its ability to create space for the attacking team to score goals. When the defense is strong, it can be difficult for the opposing team to find any openings to score, which allows the attacking team to take advantage of their strengths.

Another benefit of the 4-2-3-1 formation is its versatility. Teams can use different combinations of the four positions to fit their style of play and to improve their chances of winning games. The central midfielder can be a strong option to attack or defend, depending on the game situation.

However, there are some downsides to using the 4-2-3-1 formation at Monaco. One major concern is that the system can sometimes be too rigid and not allow for enough creativity and movement on the field. Another issue is that it can be difficult to adapt to changes in the opposition's tactics and strategies.

Overall, the 4-2-3-1 formation at Monaco is a solid defensive system that provides a good balance between attack and defense. However, it is important for teams to carefully consider their options and make adjustments as needed to improve their chances of success.