Chess Board
[ECO code C56] Do not scroll the screen..! Move Move Move Here
TWO KNIGHTS DEF. - Centre-Play Var.
Anti-Lange Variation

Black developed his queen's bishop, shielded his king from 10.QKt-Kt5+disc.ch and enabled ..0-0-0.
White indeed moves his Knight from K4(e4) to KKt5(g5) threatening Black's now-pinned bishop.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	R-K1   P-Q4
 2. Kt-KB3 Kt-QB3    7.	BxP!   QxB
 3. B-B4   Kt-B3     8.	Kt-B3  Q-QR4
 4. P-Q4   PxP	     9.	KtxKt  B-K3
 5. 0-0    KtxP	    10.	QKt-Kt5

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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