Initiating favourable exchanges in order to install an eternal knight on e5.
Preferable was 1...Bxd7 2.Ne5 Nf6! , followed by ...Be8 and ...Nd7 to challenge the white knight, although 3.Qc3 preparing b3-b4 keeps some advantage.
From now on White is better on the whole board, thanks to his powerful knight.
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.
Thanks to his safer king and superior minor piece, Black has a clear advantage.