It is important to break the pin before the next move.
1. d2d4  1... g8f6  2. c2c4  2... g7g6  3. b1c3  3... f8g7  4. e2e4  4... d7d6  5. h2h3  5... e8g8  6. c1g5 One of those smothering systems that the KID players need to face. 6... b8c6 After a lengthy deliberation, Yakubboev opts for an aggressive line that aims to benefit on the relevant weakness of the d4-pawn. 7. g1f3 