Chess Board
[ECO code B92] Move Move Move Here
SICILIAN NAJDORF
Opocensky Variation
White's endangered Q4(d4) Knight moves to QKt3(b3), leaving his K-side clear for a P advance.
Black develops his King's Bishop to K2(e7), deters a B-KKt5 pin and enables short castling.
    White  Black	White  Black
 1. P-K4   P-QB4     6. B-K2   P-K4
 2. Kt-KB3 P-Q3	     7.	Kt-Kt3 B-K2
 3. P-Q4   PxP
 4. KtxP   Kt-KB3
 5. Kt-QB3 P-QR3
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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