Owen Defense: Naselwaus Gambit

1.e4 b6 2.d4 Bb7 3.Bg5

ECO B00

The Owen Defense: Naselwaus Gambit is a chess opening line in the Owen Defense complex, reached after 1.e4 b6 2.d4 Bb7 3.Bg5.

It is catalogued under code B00 in the Encyclopaedia of Chess Openings (ECO).

The defining move Bg5 is chosen by White on move 3.

Study this line with a grandmaster

This position is covered in the Beat the Owen Defense course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.