Alekhine Defense Middlegame (1.e4 Nf6 / 1.e4 Nf6 2.e5 Nd5 / 1.e4 Nf6 2.e5 Nd5 3.d4) Chess Puzzles

“Alekhine Defense middlegame” is not one official variation, but the strategic phase after 1.e4 Nf6 2.e5 Nd5, usually followed by 3.d4. White has gained space with the e5 pawn, while Black challenges that center with ...d6 and often ...c5; in the Four Pawns line, 4.c4 Nb6 creates an especially sharp version of this middlegame.