Grünfeld Defense: Three Knights Variation, Petrosian System
ECO D919 half-movesBlack to move
Moves
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5
The Grünfeld Defense: Three Knights Variation, Petrosian System (D91) reaches this position after 9 half-moves, with Black to move. Want to know why each move is played, the plans for both sides, and the traps to avoid? Step through it on an interactive board while the Chess Guru explains every idea in plain English.