Chess Board
[ECO code E41] Do not scroll the screen..! Move Move Move Move Move Here Move Here Move Here
NIMZO-INDIAN DEF. - Rubinstein System
(to) Hübner Variation
Black's QBP to QB4(c5) enabled 5..Kt-QB3 behind, challenging White's QP and delaying a ..P-Q4.
White develops his King's Bishop to Q3(d3) to contest his K4(e4) and enable P-K4. W-Alt.
	White	Black
 1.	P-Q4	Kt-KB3
 2.	P-QB4	P-K3
 3.	Kt-QB3	B-Kt5
 4.	P-K3	P-B4
 5.	B-Q3
BLACK 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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