I was showing my brother how to block Scholars Mate.
If anyone else here plays chess and needs help, I made an example board.
Queen can take the central pawn, so you never want to move the knight here immediately. (I'll also show another reason why).
Queen and Bishop threaten checkmate on this pawn.
Move pawn up one space to attack the queen. Forcing it to retreat up the board.
That's the general idea. That left knight doesn't want to be out because you still deal with the queen taking central pawn and forcing check. The right sided knight wants to come out to defend the central pawn.
Ideally you should end up with a defensive set up like this. White can't take the central pawn, can't force checkmate, and usually runs back up the board putting them behind.
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@ShawnFuzz If you get back into chess as you were mentioning, you might eventually find this helpful.
Of course, the queen can still threaten checkmate from above, but then the left knight comes out and it's very easily defended.