Library/Openings/Nimzowitsch Defense/Hornung Gambit ECO B00
Opening· 5 plies

Nimzowitsch Defense: Hornung Gambit

An entry in the Encyclopedia of Chess Openings (ECO B00), reached after 5 half-moves: 1. e4 Nc6 2. d4 d5 3. Be3.

Nimzowitsch Defense: Hornung Gambit ECO B00
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Black rook
Black bishop
Black queen
Black king
Black bishop
Black knight
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black knight
Black pawn
White pawn
White pawn
White bishop
White pawn
White pawn
White pawn
White pawn
White pawn
White pawn
White rook
White knight
White queen
White king
White bishop
White knight
White rook
5/5
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End of this line

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About this opening

Nimzowitsch Defense: Hornung Gambit is an opening in the Encyclopedia of Chess Openings, classified under code B00. 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 5 half-moves from the starting position, with the move sequence 1. e4 Nc6 2. d4 d5 3. Be3.

It belongs to the Nimzowitsch Defense family. Within that family this is a sub-variation (the Hornung Gambit line).

The opening sequence in prose form: 1.e4 Nc6, 2.d4 d5, 3.Be3. 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.