Slav Defense

d4 d5 c4 c6 Level: INTERMEDIATE

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The Slav Defense (1.d4 d5 2.c4 c6) is a solid response to the Queen's Gambit, supporting the d5 pawn while keeping the light-squared bishop free to develop outside the pawn chain.

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Key ideas

Support d5 with c6; Keep the light-squared bishop active; Develop pieces harmoniously; Maintain solid pawn structure

Strengths

Solid pawn structure; flexible development; light-squared bishop stays active; suitable for all playing levels

Watch out for

Slightly passive setup; less dynamic than some other Queen's Gambit Declined variations; fewer immediate counterattacking chances

Typical pawn structure

Black: solid structure with c6, d5; light-squared bishop free; White: central control

Common mistakes

Playing too passively; Taking on c4 without preparation; Allowing White unchallenged space; Weak pawn structure

History

Popularized by Slavic players in the early 20th century. Used extensively by World Champions Euwe, Smyslov, and Kramnik as their main weapon against 1.d4.

Famous games

Kramnik Slav games; World Championship matches

Related openings

d4 Nf6 c4 c5 d5 b5

d4 c5 d5

Blackmar-Diemer Gambit

d4 d5 e4 dxe4 Nc3 Nf6 f3

Budapest Gambit

d4 Nf6 c4 e5

Catalan Opening

d4 Nf6 c4 e6 g3

d4 d5

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