Chess Board
[ECO code D63] Move Move Move Here Move Here
ORTHODOX QGD - Henneberger Var.
The Carlsbad Variation (alt. route)
White developed a waiting queen to QB2(c2) - similar to the Rubinstein Attack for K4(e4) control.
Black's Pawn to QB3(c6) contests QKt4(b5), triples his QP support and blocks White's QB-file attack.
    White  Black	White  Black
 1. P-Q4   P-Q4      6.	Kt-B3  QKt-Q2!
 2. P-QB4  P-K3      7.	R-B1   P-QR3
 3. Kt-QB3 Kt-KB3    8.	Q-B2   P-B3
 4. B-Kt5  B-K2
 5. P-K3   0-0	   Main 8B,7B route
WHITE to Move or Undo or Jump or Clear
 
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