Chess Board
[ECO code A52]
BUDAPEST DEFENCE - Normal Var.
Centre-Play Var. - (The) Side Variation

Black developed his king's bishop to QKt5(b4) with check prior to a QP move, and enables castling.
White makes an error in developing his Queen's Knight to (normally best) Q2(d2) to relieve check. He will lose a pawn immediately to 7..KtxP. W-Alt.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	Kt-KB3 B-Kt5 ch
 2. P-QB4  P-K4	     7.	QKt-Q2?
 3. PxP    Kt-Kt5
 4. P-K4   KtxKP
 5. P-B4   Kt-Kt3

Example ends: Undo or Jump or Clear