If the King's Gambit is unsound, how could a world champion play it often?
In game 11 of the 1972 World Championship, Spassky as white moves his Knight back to its 14. Nb1 starting position. Apparently, this moved was received as 14. Nb1!!. But to me, it seems as a simple ...
I know that professional chess players obviously have to have a wide repertoire and try to know as much as they can, but I was curious if they mainly stay consistent. The reason for asking this was ...