1. c2c4  1... e7e6  2. b1c3  2... d7d5  3. d2d4  3... g8f6  4. c4d5  4... e6d5  5. c1g5  5... c7c6  6. e2e3  6... c8f5  7. d1f3  7... f5g6  8. g5f6  8... d8f6  9. f3f6  9... g7f6 An important endgame that has occurred in many Queen's Gambit Declined games. Black has a poor pawn structure, but it's unclear whether White can exploit the weaknesses to gain an advantage. 10. g1f3  10... b8d7  11. f3h4  11... d7b6  12. f1e2  12... f8e7  13. g2g3  13... b6c4  14. e2c4 A new move.