Chess Board
[ECO code A02]
BIRD'S OPENING - From's Gambit
Lasker Var. - Side Variation (Mate)
White disastrously pushed his king's rook's pawn out to control Kt4(g4) and prevent 5..P-KKt5, 6..PxKt.
Black's Q3(d6) Bishop moves to KKt6(g3) on the king's undefended diagonal, with checkmate.
	White	Black
 1.	P-KB4	P-K4!?
 2.	PxP	P-Q3
 3.	PxP	BxP
 4.	Kt-KB3	P-KKt4
 5.	P-KR3??	B-Kt6 mate
Checkmate: Undo or Jump or Mates or Clear