1. d2d4  1... g8f6  2. c2c4  2... g7g6  3. b1c3  3... d7d5 The Grunfeld Defense has a deserved reputation as a reliable opening. 4. g1f3  4... f8g7  5. c1g5  5... f6e4  6. g5f4 A modern line. 6... e4c3  7. b2c3  7... c7c5  8. e2e3  8... d8a5  9. d1d2 