Semi-Slav Defense: Stonewall Defense

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 e6 5.e3 Ne4 6.Bd3 f5

ECO D45

The Semi-Slav Defense: Stonewall Defense is a chess opening line in the Semi-Slav Defense complex, reached after 1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 e6 5.e3 Ne4 6.Bd3 f5.

It is catalogued under code D45 in the Encyclopaedia of Chess Openings (ECO).

The defining move f5 is chosen by Black on move 6.

Study this line with a grandmaster

This position is covered in the Slav 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.