Chess Board
[ECO code A20] Do not scroll the screen..! Move Move Here Move Here
ENGLISH OPENING - Sicilian Var.
Nimzowitsch Variation
Black developed his queen's knight to QB3(c6) and defended his KP, a move perhaps inferior to 2..P-K5 but taking (temporary) control of White's Q4(d4).
White's Queen's Pawn to Q4(d4) frees his QB to control KKt5(g5), and attacks Black's KP. W-Alt.
	White   Black
 1.	P-QB4   P-K4
 2.	Kt-KB3  Kt-QB3
 3.	P-Q4
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Chess Board

BLACK moves Queen's Pawn:

P-Q4 (d5) or P-Q3 (d6) ?

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