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

Game 2, with KW's additional Comments, Attempting to Help GW Understand Control of the Center
[June 6th 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.

(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?

Ken's Comments ...

(KW, June 6th) Exactly! It's not so much how many pawns or pieces ATTACK a square, but how many pawns and pieces ATTACK AND CAN GO to the square. Here, the Nc3 is like it is not even attacking that square.

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

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

Ken's Comments ...

(KW, June 6th) Yes! That is why I TAKE the Knight after Castling next move, so that the attacker is removed. This is a common theme of Tactics, Removing the Guard (of a pawn, piece or square).

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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