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Chess openings

Opening family

King's Indian Attack, with Bf5 Lines and Variations

The King's Indian Attack, with Bf5 family contains 5 named lines in this opening book, spanning ECO A07. Use this page as the map, then open individual lines for exact move orders and diagrams.

Named lines
5
ECO coverage
A07
ECO volume
A (flank openings, irregular first moves, and many English/Reti structures)
Shortest line
A07 King's Indian Attack, with Bf5: 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5

How to study this family

White

The attacking side should develop with tempo and check whether every forcing move improves piece coordination.

Black

The defender should meet threats with development whenever possible, not with slow pawn moves that create new weaknesses.

Start with the shortest line, then branch to the variations that change the pawn structure or tactical target. Memorizing every branch before understanding the family plan is usually wasted work.

Main named lines

Deep theory branches

Start with the root lineDrill this family