Chess Board
[ECO code D63] Move move Move Move Here Move Here
QUEEN'S GAMBIT - Orthodox Defence
Henneberger Var. - Classical Var. (alt. route)

White develops his King's Bishop to Q3(d3), resuming a contest for K4(e4) and enabling 0-0.
Black pushes his QBPawn out to QB3(c6), contests his QKt4(b5) and supports his QP, enabling 10..Kt-K5.
    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.	PxP    PxP
 4. B-Kt5  B-K2	     9.	B-Q3   P-B3
 5. P-K3   0-0	   Main 7B-9B route

WHITE to Move or Undo or Jump or Clear
 
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When castling always touch the king first
Under FIDE laws of chess, if a player deliberately touches a rook and then his king, he is not allowed to castle on that side on that move but must still move the rook if legally possible.

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