Chess Board
[ECO code B03] Move Move Move Move Move Here Move Here Move Here Move Here
(Modern to) Four Pawns / Exch. Vars.

White advanced his QBP, resuming the attack on Black's Q4(d5) Kt, and reverted towards open play.
Black's Knight withdraws to QKt3(b6) to pressure the defended QBP, and his plan to give away the centre (so as to attack it from the flanks) is clear.
     White   Black  
 1.  P-K4    Kt-KB3
 2.  P-K5    Kt-Q4
 3.  P-Q4    P-Q3
 4.  P-QB4   Kt-Kt3  Alt. 4WB,3WB route

WHITE to Move or Undo or Jump or Clear
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