Grünfeld Defense: Exchange Variation, Simagin's Improved Variation

The Grünfeld Defense: Exchange Variation, Simagin's Improved Variation is a chess opening classified under ECO code D86 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. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6. The resulting position leaves white to move.