Semi-Slav Defense: Normal Variation (D45)

The Normal Variation is a variation of the Semi-Slav Defense, catalogued as ECO D45. The line runs 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7, reaching the position shown below after 14 half-moves.

Both sides have pawns in the centre (White on d4, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each. It is White to move after seven moves. Black has castled while White’s king is still uncommitted.

On the Semi-Slav Defense generally: A complex defense combining ideas from the Slav and Queen's Gambit Declined.

You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.

Semi-Slav Defense: Normal Variation — position after Nbd7 h1g2f3e4d5c6b7a8
Position after 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7

Move order

#WhiteBlack
1Nf3d5
2e3Nf6
3c4c6
4Nc3e6
5b3Bd6
6Bb2O-O
7d4Nbd7

ECO: D45

Stockfish: +0.21 at depth 18

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Position characteristics

Related Semi-Slav Defense lines

Frequently asked questions

What are the moves of the Normal Variation?

The Normal Variation goes 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7. It is a variation of the Semi-Slav Defense and is catalogued as ECO D45.

What is the ECO code for the Normal Variation?

The Normal Variation is ECO D45. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Semi-Slav Defense.

Is the Normal Variation good for Black?

Stockfish evaluates the position after 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7 at +0.21 at depth 18, which is balanced. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.

What kind of position does the Normal Variation lead to?

Both sides have pawns in the centre (White on d4, Black on d5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each. It is White to move. Black has castled while White’s king is still uncommitted.