← Ruy Lopez

Practice: Berlin Defense

The Berlin Wall

Black fights back immediately with 3...Nf6, attacking e4. The resulting endgame after 4.O-O Nxe4 is one of the most deeply analyzed in chess.

1. e4 e5
2. Nf3 Nc6
3. Bb5 Nf6
♟

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Key strategic ideas

  • The bishop on b5 pins Black's knight to the king. If White trades bishop for knight (Bxc6), Black's pawns get doubled, creating a long-term weakness.
  • After Black plays ...a6, White retreats the bishop to a4 and keeps pressure on the centre. The plan is to build with c3 and d4, creating a strong pawn centre.
  • In the Berlin Defense, Black immediately attacks e4 with Nf6. The resulting endgame is very solid for Black and is used by world champions to draw with Black.

Common mistakes & traps

  • When White captures on c6, Black should recapture with the d-pawn (7...dxc6), not the b-pawn. Taking with b7 leaves the a-pawn stranded and the queenside weak.
  • In the Marshall Attack, White must not grab the pawn carelessly. Accepting with 9.exd5 Nxd5 10.Nxe5? gives Black a ferocious attack with 10...Nxe5 11.Rxe5 c6.

Pawn structure notes

The centre is defined by e4 against e5. White aims for a d4-e4 duo. Black often plays ...d6 to support e5. In the Exchange Variation, Black gets doubled c-pawns but gains the two bishops.

Tips

  • The Berlin endgame (after 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5) is famously solid for Black
  • Magnus Carlsen used the Berlin extensively to neutralize top players
  • Focus on development and king safety before worrying about imbalances

About this line

This line is rated intermediate. Practice it repeatedly until you can play the entire sequence without thinking. The in-app trainer tracks your perfect streaks and celebrates milestones.