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ECO A50Semi-closed game

Slav Indian

Slav or Indian: Black has not decided yet

  • Solid

After 1.d4 Nf6 2.c4 Black plays 2…c6. The pawn prepares …d5 and a Slav Defence, but Black keeps the choice open: after …d6 an Old Indian or King's Indian set-up is possible. In practice it is most often a way to reach Slav positions by another move order. People choose it to step off the best-trodden paths at once.

Interactive Opening Board

3…d5

♚
Black
a
b
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g
h
8
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3
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1
8
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1
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♔
White
3…d5
Speed:

Moves

(6 plies • 3 moves)
3…d5Tabiya
  1. 1–3moves
  2. 1.
  3. 2.
  4. 3.

Defining move

2…c6 — the choice is postponed

The move that keeps two roads open

The c6 pawn serves …d5 and also keeps a reserve. If Black plays …d5, a Slav Defence results. If …d6, the game heads for Old Indian or King's Indian paths. White usually allows it with Nc3 or Nf3, but can sidestep with 3.Bf4.

Tabiya

The Slav Defence by a side road

A Slav Defence has appeared with …Nf6 already played. Black holds the centre with pawns on c6 and d5, and White develops and thinks about pressure on the c-file. What comes next depends on whether Black takes on c4 or shuts the centre with …e6.

White’s plan

  • Develop the knights and see what Black commits to.
  • Switch roads when it suits: Bf4, Qb3 or e4.
  • Press on the c-file and keep the space.

Black’s plan

  • Play …d5 and transpose to a Slav Defence.
  • Or choose …d6 for an Indian set-up.
  • Widen the game on the queenside with …b5 and …a5.

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