Chess Board
[ECO code C42]
PETROFF'S DEFENCE
Boden-Kieseritzky Gambit
White castles for safety, bringing his King's Rook towards the open king's file.
Black develops his King's Bishop to Q3(d6) to threaten and dislodge White's knight, and also enables castling, with equality.
    White  Black	White  Black
 1. P-K4   P-K4	     5.	QPxKt  P-QB3
 2. Kt-KB3 Kt-KB3    6.	KtxP   P-Q4
 3. B-B4   KtxP	     7.	0-0    B-Q3
 4. Kt-B3  KtxKt
Example ends: Undo or Jump or Clear