Alekhine Defense: Two Pawns Attack, Lasker Variation

An entry in the Encyclopedia of Chess Openings (ECO B02), reached after 7 half-moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5.

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Black knight — Use ← → arrows or click moves to step through.

End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Alekhine Defense: Two Pawns Attack, Lasker Variation is an opening in the Encyclopedia of Chess Openings, classified under code B02. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 7 half-moves from the starting position, with the move sequence 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5.

It belongs to the Alekhine Defense family. Within that family this is a level-2 branch (the Two Pawns Attack → Lasker Variation line). The immediate parent line is Alekhine Defense: Two Pawns Attack, transitioned via 4.c5.

The opening sequence in prose form: 1.e4 Nf6, 2.e5 Nd5, 3.c4 Nb6, 4.c5. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.