D45

Semi-Slav Defense: Stonewall Defense

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

The Semi-Slav Defense: Stonewall Defense is a chess opening classified under ECO code D45. It is reached after the moves 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Ne4 6. Bd3 f5.

It belongs to the Semi-Slav Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

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Related openings

Semi-Slav Defense: Quiet VariationSemi-Slav Defense: Quiet VariationSemi-Slav Defense: Accelerated Move OrderSemi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch GambitSemi-Slav Defense: Gunderam GambitSemi-Slav Defense: Marshall GambitSemi-Slav Defense: Marshall Gambit, Forgotten VariationSemi-Slav Defense: Marshall Gambit, Main LineSemi-Slav Defense: Marshall Gambit, Tolush VariationSemi-Slav Defense: Noteboom Variation