Dutch Defense: Blackmar's Second Gambit

1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.f3

ECO A82

The Dutch Defense: Blackmar's Second Gambit is a chess opening line in the Dutch Defense complex, reached after 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.f3.

It is catalogued under code A82 in the Encyclopaedia of Chess Openings (ECO).

The defining move f3 is chosen by White on move 4.

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