Grünfeld Defense: Exchange Variation, Modern Exchange Variation

The Grünfeld Defense: Exchange Variation, Modern Exchange Variation is a chess opening classified under ECO code D85 in the Closed & Semi-Closed Games family, arising from 1.d4 d5, including the Queen's Gambit, Slav Defense, and related systems. It is reached after 8 moves: 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1. The resulting position leaves black to move.