Chess: 900 to 1800

Exchange Variation: the Carlsbad structure

White exchanges cxd5 to fix the pawn structure. The result is the Carlsbad structure: White pawns a2, b2, d4, e3; yours a7, b7, c6, d5. White's typical plan is the minority attack — two queenside pawns (b4–b5) advance against your three to leave you with a weak c-pawn. Your plans: rook to e8, knight d7–f8 and on to g6 or e6, trade pieces with …Ne4, develop the c8-bishop (no longer blocked), and play on the kingside, where you have more space.

  • 15 min
  • 1 step
  • Lesson 127 of 132

Six lines, two of them core:

  • Exchange Variation: the classical set-up (core)
  • Meeting the minority attack: …Ng6 and …Ne4 (important)
  • 4.cxd5 exd5 5.Bg5 and the Nge2 plan (core)
  • Late exchange: keep d5 guarded (important)
  • Exchange with Bf4: the bishop comes to f5 (important)
  • Early 3.cxd5: …Bf5 straight away (deeper)

Learn takes up to five new lines at a time, core lines first. When the chapter is learned, practise it from memory.

Exchange Variation: the Carlsbad structure The square arrow button opens this screen in the full trainer, with its menu and settings. Credit: Chess Trainer

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4.Nf3, 4.Bf4 and quiet e3 lines

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