Chess Board
[ECO code C61] Do not scroll the screen..! Move Move Move Here
RUY LOPEZ
Bird Defence

White's king's-side knight on KB3(f3) captured Black's fork-attack knight on Q4(d4) to prevent 4..KtxB, and offered an exchange of minor pieces.
Black's King's Pawn exchanges, removing White's knight, and now blocks White's QKt development.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-QB3
 3.	B-Kt5	Kt-Q5
 4.	KtxKt	PxKt

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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