D86
Grunfeld Defense: Exchange Variation, Simagin's Improved Variation
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 Grunfeld Defense: Exchange Variation, Simagin's Improved Variation is a chess opening classified under ECO code D86. It is reached after the 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.
It belongs to the Grunfeld Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
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