Chess Board
[ECO code D00] Move Move Move Here
QP. GAME - Blackmar-Diemer Gambit
Vienna Var. - Ryder Gambit

White develops his Queen's Bishop to K3(e3), attacks Black's queen and enables long castling.
Black's Q5(d4) Queen moves to QKt5(b4), attacks White's QKtP and pins White's QKt to its king.
    White  Black	White  Black
 1. P-Q4   P-Q4	     6.	B-K3   Q-QKt5
 2. P-K4!? PxP
 3. Kt-QB3 Kt-KB3
 4. P-B3   PxP
 5. QxP?!  QxP

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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