Home › Openings › Polish Opening › Polish Opening: King's Indian Variation Polish Opening: King's Indian Variation, Sokolsky Attack ECO A00 · 1. b4 Nf6 2. Bb2 g6 3. c4 Bg7 4. e3 d6 5. Nf3 O-O 6. d4 Related variationsPolish Opening: King's Indian Variation, Schiffler Attack Practice this opening · Play against the computer