[ECO code E73]
(to Averbakh Var.) to Four Pawns' Attack
White advances his King's Bishop's Pawn to control Black's K4(e5) square, transposing into the Four Pawns' Attack variation. W-Alt.
White Black White Black 1. P-Q4 Kt-KB3 6. P-B4!? 2. P-QB4 P-KKt3 3. Kt-QB3 B-Kt2 Transp.White Black 4. P-K4 P-Q3 5. P-B4!? 0-0 5. B-K2 0-0 6. B-K2
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