Chess opening · ECO A07
King's Indian Attack, with Bf5
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1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5
King's Indian Attack, with Bf5 is catalogued under ECO code A07. It is reached after 4 moves (8 half-moves): 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5. After the last move it is White to play. White opens 1. Nf3. It is the defining line of the King's Indian Attack, with Bf5 family, which has 5 catalogued lines in total.