Chess Board
[ECO code E01] Do not scroll the screen..! Move Move Move Here
CATALAN OPENING
Closed Variation (alt. route)

Black's closed KB on K2(e7) enabled a rapid 5..0-0.
White develops his King's Bishop to KKt2(g7) to dominate the long light diagonal, and enables 6.0-0. In the Catalan White is the only one to fianchetto.
     White   Black
 1.  P-Q4    Kt-KB3
 2.  P-QB4   P-K3
 3.  P-KKt3  P-Q4
 4.  Kt-KB3  B-K2
 5.  B-Kt2	    Main 5W,4W route

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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