Chess Board
[ECO code C27]
VIENNA GAME - Stanley Var.
Adams Gambit
White castles to prevent a ..Kt-Q5 pin on his queen.
Black's K3(e6) Knight moves to Q5(d4) for a 12..QxQ threat that forces White into a Q exchange, so that Black (with the extra pawn) keeps equality.
    White  Black     6.	P-Q4!? KtxP
 1. P-K4   P-K4	     7.	Kt-Q5  Kt-K3
 2. Kt-QB3 Kt-KB3    8.	QxKP   P-QB3!
 3. B-B4   KtxP!?    9.	Kt-KB4 Q-K2
 4. Q-R5   Kt-Q3    10.	Kt-B3  Kt-KB4!
 5. B-Kt3  Kt-B3    11.	0-0    Kt-Q5
Example ends: Undo or Jump or Clear