Chess Board
[ECO code A52]
BUDAPEST DEFENCE
to Smothered Mate (via Adler Var.)
Black developed his KB to QKt5(b4) with check, to set up for a potential bishop sacrifice.
White blocks check by developing his Queen's Knight to Q2(d2). Often preferred to 6.Kt-QB3..BxKt, 7.PxP despite Q2(d2) shutting his king in again.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    5.	B-B4   B-Kt5 ch
 2. P-QB4  P-K4	     6.	QKt-Q2
 3. PxP    Kt-Kt5
 4. Kt-KB3 Kt-QB3   Main 5W,4W route
BLACK to Continue or Undo or Jump or Clear