A02–B21 Flank openings

Bird Opening

White uses f4 to control e5 and builds a Dutch-style attack with an extra tempo.

Best for

Creative players who want unusual structures and direct kingside plans.

Study map

Start with one line, then add nearby branches.

0 started · 0 mastered

01Bird OpeningA02 · 1 movenew02Bird Opening: From's GambitA02 · 1 movenew03Bird Opening: Hobbs GambitA02 · 1 movenew04Bird Opening: Horsefly DefenseA02 · 1 movenew05Bird Opening: Myers DefenseA02 · 1 movenew

Browse all 28 lines

Open the catalogue only when you need a specific branch.

From's Gambit5 lines
Dutch Variation3 lines
Williams Gambit2 lines
Batavo-Polish Attack1 lines
Double Duck Formation1 lines
Hobbs Gambit1 lines
Hobbs-Zilbermints Gambit1 lines
Horsefly Defense1 lines
Lasker Gambit1 lines

Mix the variations

Practice changing book replies after you know at least 2 lines.

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White's plan

  1. 01 Develop Nf3 to support e5.
  2. 02 Use e3 and b3 for flexible bishops.
  3. 03 Prepare e4 when the center allows it.

Black's plan

  1. 01 Challenge e5 and the weakened diagonal.
  2. 02 Use ...d5 for central space.
  3. 03 Consider ...e5 only with tactical support.

Position fingerprint

The squares that explain the opening

e5 is White's central claim, f4 starts the structure, and the e1 to h4 diagonal needs protection.

Keep the position healthy

Practical habits

  • Secure the king after moving the f-pawn.
  • Build central support before attacking on the kingside.