What are the key ideas in the Slav Defense?

…c6 supports d5 without blocking the light-squared bishop More flexible than the QGD — the bishop can go to f5 or g4 The Semi-Slav (adding …e6) leads to incredibly sharp play

What are White's main plans in the Slav Defense?

Play Nf3, Nc3 and develop normally Push e4 when Black allows it In the Exchange Slav: play for queenside minority attack

What are Black's main plans in the Slav Defense?

Develop …Bf5 before …e6 to avoid the 'French bishop' problem Play …dxc4 and try to hold the extra pawn with …b5 Semi-Slav with …e6: enter the Meran or Anti-Meran

ECO D10–D19intermediate

Slav Defense

1.d4 d5 2.c4 c6

Defend d5 with …c6 — keeps the bishop free to develop.

Famous practitioners: Vladimir Kramnik, Viswanathan Anand, Magnus Carlsen

Starting position

0 / 4 moves

Key Ideas

♟…c6 supports d5 without blocking the light-squared bishop
♟More flexible than the QGD — the bishop can go to f5 or g4
♟The Semi-Slav (adding …e6) leads to incredibly sharp play

♔ Plans for White

—Play Nf3, Nc3 and develop normally
—Push e4 when Black allows it
—In the Exchange Slav: play for queenside minority attack

♚ Plans for Black

—Develop …Bf5 before …e6 to avoid the 'French bishop' problem
—Play …dxc4 and try to hold the extra pawn with …b5
—Semi-Slav with …e6: enter the Meran or Anti-Meran

⚠️ Common Traps & Pitfalls

Marshall Gambit Trap

In the Semi-Slav Meran — sacrificial play with pawn grabs on the queenside leads to very sharp territory.

📍 Critical Positions

Slav Defense

…c6 keeps the light bishop free. White typically continues with Nf3 or Nc3.

rnbqkbnr/pp2pppp/2p5/3p4/2PP4/8/PP2PPPP/RNBQKBNR w KQkq - 0 3

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Related Openings

Queen's Gambit

1.d4 d5 2.c4

The queen of openings — classical central control and strategic depth.

London System

1.d4 d5 2.Bf4

The solid system opening — same setup against everything.

Queen's Gambit Declined

1.d4 d5 2.c4 e6

Classical and rock-solid — Black maintains the d5 pawn.

Trompowsky Attack

1.d4 Nf6 2.Bg5

Pin the knight immediately — avoid mainstream theory.