She tore through the black king position with 28 Ng7!
But Black gets to use the c line against the white king position.
Polgar used the alternative way of breaking into the black king position, 20 h6!
When defending a king position, one should be careful which pawn is moved.
The preventive 21 h3 created a slight weakening of the white king position.
The white king position is not as secure as may appear.
Using his superiority in space and piece mobility, Korchnoi opened fire on the black king position with 23 f4!
Nakamura's 17 Qc2 forced a weakening of the black king position.
Anand broke open the center and obtained a path into the black king position.
It should at least reduce Goldin's potential attacks against the black king position.
