Chess Board
[ECO code A02]
BIRD'S OPENING - From's Gambit
Side Variation
White's KP advance gave his king a flight square to avoid a potential mate in three. But a weak move.
Black develops his Queen to KR5(h4) with check, for (best) 5.K-K2..QxP+ch, K-B2..B-QB4+ch usually leading to a Black win - perhaps even quickly.
	White	Black
 1.	P-KB4	P-K4!?
 2.	PxP	P-Q3
 3.	PxP	BxP
 4.	P-K4?   Q-R5 ch
Example ends: Undo or Jump or Clear