GW-KW, Point Count Chess Raw Discussion, File #7:
Part of the Advanced Beginner's Chess Guide (Section 2)

Game 2, with GW's Comments, Attempting to Understand
Control of the Center
[June 5th 2011]

7. Nc3
Finally White makes a developing move, and defends the key light square, e4.

7. ... Bb4
Black immediately attacks this defender of the light squares, and pins the Knight. Black has all his minor pieces developed.

Graham's Comments ...

(GW, June 5th) Whatever limited control White may have on the center squares, the pin serves to reduce the control (until the pin is broken) ... The c3 Knight cannot move, so it's as if it weren't there in the first place, so wouldn't have any influence on activity in the Center?

8. Bd2
The correct way to break a pin is to move the Bishop to an intervening square, as here.

Graham's Comments ...

(GW, June 5th) White's Knight would have its center influence back, even though it continues to be attacked by Black's dark Bishop?

8. ... O-O
Knowing that he will exchange the Nc3 for his Bishop, Black takes the time to get his King away to safety before the attack.

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