Misplaced Pieces can be a lot of trouble during your game. It is important to have most of your pieces at where the action is taking place. Misplaced pieces can have a strong impact on the game, sometimes even a decisive one. It takes a lot of skill and knowledge to know where your pieces should go. Don't worry even pro players sometimes struggle with it. It is important to improve on this skill because during the game you may not have a move to fix your piece location if you are defending or attacking. In this section of the website, you can view games where these mistakes have been done and avoid it in your own games. Much of the information in this page is from Beyond Material: Ignore the Face Value of Your Pieces and Discover the Importance of Time, Space and Psychology in Chess
Vasily Ivanchuk VS Evgeny Alekseev
Here Black moves Na6, a crucial mistake. After moving Na6, White starts attacking on the Kingside leaving black defenseless due to three of black's pieces doing nothing.
What starts his attack with Nd5!!. This is an excellent move as it opens up the position and keeps black vulnerable for later threats.
After both colors capture, white attacks with Bxd5+. Then later move g5 to further opening up the position. White relentlessly continues striking at black and destroying the position. Soon after black resigned foreseeing mate.
The end position was so bad for black because three of his pieces had nothing to do with the current attack. They were just sitting on the other side of the board.
It is very important to look for enemy threats and traps to see where your pieces can be most useful.