Chess Board
[ECO code C50] Do not scroll the screen..! Move Move Move Move Move Here Move Here
GIUOCO PIANO
Pianissimo Variation - main route
White's QP to Q3(d3) supported his KP anticipating 4..Kt-B3, and freed his QB to support Kt-KKt5.
Black develops his King's Knight to KB3(f6) to threaten White's KP (or sometimes plays 4..P-Q3 first), and enables castling to defend his KBP. B-Alt.
     White   Black
 1.  P-K4    P-K4
 2.  Kt-KB3  Kt-QB3
 3.  B-B4    B-B4   Transp.from M.Bish.
 4.  P-Q3    Kt-B3  Transp.from Bish.O.
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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Chess Board

WHITE moves to QB3 (c3) with:

Knight (b1) or Pawn (c2) ?

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