Chess Board
[ECO code D22] Move Move Move Here Move Here
(to) Alekhine / Haberditz Variations

Black's solid but less popular pawn to QR3(a6) deterred 4.Q-R4+ch, as enabling 4..P-QKt4 to repel.
White's King's Pawn set on K3(e3) triples his QP support against 4..P-QB4, 5..PxP, and frees his KB to attack Black's doubled QBP. W-Alt.
	White	Black
 1.	P-Q4	P-Q4
 2.	P-QB4	PxP
 3.	Kt-KB3	P-QR3
 4.	P-K3

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