Chess Board
[ECO code C57]
TWO KNIGHTS DEFENCE - Knight Attack
Ulvestad Variation
White castles short to bring his king's rook nearer to the half-open king's (e-)file.
Black develops his King's Bishop to Q3(d6) to support his KP, ready for exchanges on QB3 and K4.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	BxP    QxP
 2. Kt-KB3 Kt-QB3    7.	Kt-B3  QxKtP
 3. B-B4   Kt-B3     8.	Q-B3   QxQ
 4. Kt-Kt5 P-Q4!     9.	KtxQ   B-Q2
 5. PxP	   P-Kt4    10.	0-0    B-Q3
Example ends: Undo or Jump or Clear