King's Indian Attack (A05–A08)

ECO A05. A chess opening with 18 known variations.

The variations below diverge from the first move, so each has its own page with the full move order, the position it reaches, and a Stockfish evaluation.

All 6 lines can be practised free in the browser: pick a variation, walk it move by move in Learn mode, then drill it from memory until you can play it without prompting.

All 6 variations of the King's Indian Attack

• Wahls Defense A051. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O
• Keres Variation A071. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7
• Pachman System A071. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5
• Yugoslav Variation A071. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 b6
• Sicilian Variation A081. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5
• Sicilian Variation A081. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6

Frequently asked questions

What is the ECO code for the King's Indian Attack?

The King's Indian Attack is catalogued under ECO codes A05–A08. Individual variations list their own specific code on their page.

How can I practise the King's Indian Attack for free?

Open any variation on Chess Ramp and use Learn mode to walk the line one move at a time, then Drill mode to replay it from memory. Practice runs in your browser with no account required.