♞Chess Trainer
D10bPlay as Black12 lines to train

Learn the Slav Defense

Meet 1.d4 d5 2.c4 with ...c6 — keep a solid pawn chain and a free light-squared bishop.

Practice this openingUnderstand the moves
Main line

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6

1.d41…d52.c42…c63.Nf33…Nf64.Nc34…dxc45.a45…Bf56.e36…e6

The idea

Why this opening works

The Slav Defense is one of the most reliable answers to the Queen's Gambit. Unlike the QGD where ...e6 locks in the light-squared bishop, the Slav's ...c6 keeps the c8-bishop free to develop actively to f5 or g4. The pawn structure is rock-solid and gives Black clear plans. World Champions from Euwe to Anand have used it as a main weapon.

What to remember

  • Know the first 8 half-moves of the main line.
  • Understand the purpose of your key moves before adding more theory.
  • Practice the branches until you can respond without move-order guessing.

Move by move

The moves worth understanding

Theory sticks when every move has a job. Start with these ideas from the trainer.

Scroll down through 8 positions

  1. Position 1 of 8

    1...d5

    d7 → d5

    Claims equal central space. This is the foundation of all Queen's Gambit defenses.

  2. Position 2 of 8

    2...c6

    c7 → c6

    The Slav move — supports d5 without blocking the light-squared bishop. This is the key difference from the QGD's ...e6.

  3. Position 3 of 8

    3...Nf6

    g8 → f6

    Develops a knight to its best square, defends d5, and prepares kingside castling.

  4. Position 4 of 8

    4...dxc4

    d5 → c4

    Takes the gambit pawn. Black plans to hold it with ...b5 or use the tempo to develop quickly.

  5. Position 5 of 8

    5...Bf5

    c8 → f5

    The dream move of the Slav — the light-squared bishop escapes to an active diagonal before playing ...e6. This is what makes the Slav special.

  6. Position 6 of 8

    6...e6

    e7 → e6

    Now that the bishop is out, ...e6 solidifies the center. The pawn chain d5-e6-c6 is very hard to crack.

  7. Position 7 of 8

    5...b5

    b7 → b5

    Holds the extra pawn on c4 and gains queenside space. Now Black can develop the bishop to b7.

  8. Position 8 of 8

    6...Nbd7

    b8 → d7

    Flexible knight development. From d7 it supports ...c5 counterplay and can reroute to b6 or f8.

Trainer variations

Lines you’ll meet

These are representative branches from the drill, not a demand to memorize everything at once.

Line 11. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6
Line 21. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 b5 6. a4 b4
Line 31. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Bd3 Nbd7
Line 41. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Bd3 e6 6. O-O Nbd7
Line 51. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg5 dxc4 5. a4 Bf5 6. e3 e6
Line 61. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6

Quick answers

Slav Defense questions

What is the Slav Defense?

Meet 1.d4 d5 2.c4 with ...c6 — keep a solid pawn chain and a free light-squared bishop. The Slav Defense is one of the most reliable answers to the Queen's Gambit. Unlike the QGD where ...e6 locks in the light-squared bishop, the Slav's ...c6 keeps the c8-bishop free to develop actively to f5 or g4. The pawn structure is rock-solid and gives Black clear plans. World Champions from Euwe to Anand have used it as a main weapon.

What is the main line of the Slav Defense?

This trainer starts with 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6. The exact move order can change by variation, so learn the purpose of each move as well as the sequence.

Is the Slav Defense good to learn as Black?

It can be a useful part of a Black repertoire if its positions match how you like to play. Learn the main plan first, then use the drill to test the recurring replies.

Study next

E60bKing's Indian DefenseA hypermodern defense — let White build the center, then counter-attack it.1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7D30bQueen's Gambit DeclinedHold the center with ...e6 and ...d5 — solid, reliable, and strategic.1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7E20bNimzo-Indian DefensePin the knight with 3...Bb4 — fight for e4 control and create long-term structural pressure.1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5

Turn the guide into recall

Now play the Slav Defense from memory.

The drill gives you an opponent reply, checks your response, and repeats the branches that need more work.

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