Chess Board
[ECO code B51] Do not scroll the screen..! Move Move Move Here
SICILIAN DEFENCE - Moscow Var.
Rossolimo Variation (alt. route)
White developed his king's bishop to QKt5(b5) with check, and enabled rapid castling.
Black sometimes develops Queen's Knight to QB3(c6), creating a self-pin to block the check. The line is also called the Hispano-Sicilian, having the same Spanish Opening B-pins-Kt move. B-Alt.
     White   Black
 1.  P-K4    P-QB4
 2.  Kt-KB3  P-Q3
 3.  B-Kt5 ch Kt-QB3 Main 3B,2B 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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