Chess Board
[ECO code C22]
CENTRE GAME - Paulsen Attack
Berger Variation (2)
White's King is forced to capture Black's queen on Q1(d1), and foregoes all chance of castling.
Black's Knight captures White's pawn on KB7(f2) to fork White's K+Q, an attack worth the lost pawn.
    White  Black	White  Black
 1. P-K4   P-K4      6.	Q-K4   P-Q4!
 2. P-Q4   PxP	     7.	PxP ep.ch B-K3
 3. QxP    Kt-QB3    8.	PxP    Q-Q8
 4. Q-K3   Kt-B3!    9.	KxQ fcd KtxP ch
 5. P-K5!? Kt-KKt5
Example ends: Undo or Jump or Clear