Library/Openings/Dutch Defense/Blackmar's Second Gambit ECO A82
Opening· 7 plies

Dutch Defense: Blackmar's Second Gambit

An entry in the Encyclopedia of Chess Openings (ECO A82), reached after 7 half-moves: 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3.

Dutch Defense: Blackmar's Second Gambit ECO A82
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Black rook
Black knight
Black bishop
Black queen
Black king
Black bishop
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black knight
White pawn
Black pawn
White knight
White pawn
White pawn
White pawn
White pawn
White pawn
White pawn
White rook
White bishop
White queen
White king
White bishop
White knight
White rook
7/7
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  5. 3.
  7. 4.
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End of this line

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About this opening

Dutch Defense: Blackmar's Second Gambit is an opening in the Encyclopedia of Chess Openings, classified under code A82. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 7 half-moves from the starting position, with the move sequence 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3.

It belongs to the Dutch Defense family. Within that family this is a sub-variation (the Blackmar's Second Gambit line).

The opening sequence in prose form: 1.d4 f5, 2.e4 fxe4, 3.Nc3 Nf6, 4.f3. 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.