Chess Board
[ECO code C25]
VIENNA GAME
Max Lange Defence
Black moved his king to KB1(f8) to defend his KBP as best, despite forfeiting all chance of castling.
White's KKt4(g4) Queen moves to KKt3(g3) (else 5..P-Q4 gains) and attacks Black's undefended KP.
     White   Black
 1.  P-K4    P-K4
 2.  Kt-QB3  Kt-QB3
 3.  B-B4    B-B4
 4.  Q-Kt4   K-B1
 5.  Q-Kt3	  Transp.from Bish.O.
Example ends: Undo or Jump or Clear