Montevideo Defense

An entry in the Encyclopedia of Chess Openings (ECO A40), reached after 4 half-moves: 1. d4 Nc6 2. d5 Nb8.

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

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

Montevideo Defense is an opening in the Encyclopedia of Chess Openings, classified under code A40. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 4 half-moves from the starting position, with the move sequence 1. d4 Nc6 2. d5 Nb8.

The opening sequence in prose form: 1.d4 Nc6, 2.d5 Nb8. 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.