Pawn structures part 4: IQP (Isolated Queens Pawn)

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(NOTE: this is a very highly summarised lesson, which if I were to really dig into would make a really really long lesson. As with all these lessons, and this especially, it has been highly summarised, and focuses more on defending against the pawn structure which is actually quite difficult to master due to how many different things to look out for)

Hi again,

Today, we will be looking at the double edged positional factor: the IQP. This positional factor is quite double edged, but why we are specifically focusing on the d pawn? The main reason is because it arrises very often from many different openings, especially since the IQP provides advantages for both sides as it arrises. Let's look at potential advantages and disadvantages:

With IQP:

Advantages:

There is a lot of space around the IQP (files and diagonals)

Their development is often more efficient

Hence due to the first 2 points, they will have greater attacking chances

Disadvantages:

The d pawn is quite weak as it isn't supported by other pawns

Trades often work against the side with the isolated pawn

The d pawn may tie some of their pieces down to it

 

For the other side, it is reverse case, but one thing you must not do if playing against the IQP is to not allow it to move. Movement of the pawn will often allow the side with it to gain even more space and therefore greater attacking chances. The IQP isn't a concrete advantage or disadvantage because it depends on the player and the position. In the position below, Black has an isolated Q pawn. You do not win the pawn, but your aim is to pressure it:

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oh wait. It was meant to be part 6. Oh well...