Initiating favourable exchanges in order to install an eternal knight on e4.

After 6...Nxc3?! 7.Qb3 Nb5 8.Bb2 0-0-0 9.f5 White gets some initiative – Botvinnik.

With a focus on the enemy monarch.

Thanks to his safer king and superior minor piece, Black has a clear advantage.

Initiating favourable exchanges in order to install an eternal knight on d5.

Forcing the exchange of the other knight, thus eliminating the last defender of the d5-square.

Keeping the d5-square under control.

Preparing Nc2-e3-d5 with a typical "good knight vs. bad bishop" scenario.

Swapping the active bishop on h6, as a first step to a future position with good knight vs. bad bishop.

This exchange further emphasizes the inferiority of White's bishop.