
3 Check Tactics to Know: Typical Knight Sacrifices
A Knight Sacrifice on c7/c2
This kind of Knight sacrifice is very common, but most of the time it's wrong! Why is this the case? The reason is that most of the time when players go for this sacrifice they have to invest too many moves to get it and in the meantime their opponent is able to gain a huge lead in development. Also, in general pieces are worth more than a single check anyway.
So when is this sacrifice acceptable? It's ok to go for this sacrifice if at least one of the following things is true:
1) Your opponent has to waste time or make concessions in their position as a result of your Knight invasion.
2) You can make follow-up threats.
3) Your Knight has no good future prospects anyway and you might as well get a check for it.
Here is an examples of when this sacrifice is good:
For some examples of when this sacrifice is bad you can read my blog post below:
How Much Is A Check Worth In 3 Check?
A Knight Sacrifice on f6/f3
This sacrifice can be a very strong way to rip open a castled King position.
A Knight Sacrifice to Open a File
In 3 Check Opening Ideas For Black In the French Sicilian: Part 2 (5. Nb5), I showed how Black can sacrifice their Kingside Knight in exchange for the open g-file and strong central control. Here is another way you can sacrifice a Knight in order to open a file:
A Knight Sacrifice to Break Through the Center
Here are 2 examples where I sacrificed a Knight in order to open lines in the center and exploit the fact that my opponent's King never castled: