Chess Board
[ECO code C02] Move Move Move Here Move Here
The Advance (aka. Nimzowitsch) Variation

Black's QP setting attacked White's undefended KP.
White's endangered King's Pawn moves to K5(e5), blocks the centre and prevents ..Kt-KB3. The popular Advance line (main alternative to 4.Kt-QB3), where both sides set main pawns before developing Kts. [Compare to Franco-Nimz. Defence line.] W-Alt.
     White   Black
 1.  P-K4    P-K3
 2.  P-Q4    P-Q4
 3.  P-K5	  Transp.from Stein.A.

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