Chess Board
[ECO code C42]
PETROFF DEF. - Boden-Kieseritzky Gambit
Four Knights Variation
White advances his King's Bishop's Pawn to KB4(f4) attacking Black's KP to open the KB-(f-)file.
Black develops his Queen to K2(e7) increasing KP support, with an interesting game.
    White  Black	White  Black
 1. P-K4   P-K4      6.	0-0    Kt-B3
 2. Kt-KB3 Kt-KB3    7.	Kt-R4  P-KKt3
 3. B-B4   KtxP	     8.	P-B4   Q-K2
 4. Kt-B3  KtxKt
 5. QPxKt  P-KB3
Example ends: Undo or Jump or Clear