[Event "Zaandam"] [Site "?"] [Round "0"] [White "Stoltz"] [Black "Thomas"] [Result "1-0"] [ECO "E00"] [Opening "Queen's Pawn: Neo-Indian"] {Strategic breakthrough with Pd5} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. a3 cxd4 7. exd4 dxc4 8. Bxc4 Be7 9. O-O O-O 10. Re1 a6 11. Ba2 b5 12. d5 $1 {The strategic breakthrough on d5 is simply the result of the fact that the owner of the isolated d-pawn has extra control of Black's blockade square at d5. The result of the break is that the isolated pawn disappears, but also that the advantages persist for a long time in the form of extra freedom of maneuver} 12... exd5 13. Nxd5 Nxd5 14. Qxd5 Qd6 { This costs two minor pieces for a Rook} (14... Bb7 15. Bg5 Bxg5 (15... Na5 16. Qf5 Bxg5 17. Nxg5 g6 18. Nxf7 $1) 16. Nxg5 Qxd5 17. Bxd5 h6 18. Ne4) 15. Rxe7 $1 Qxe7 16. Qxc6 Bg4 17. Be3 Rac8 18. Qd5 Rfd8 19. Qg5 Qxg5 20. Nxg5 { The rest just demonstrates how two minor pieces win against a Rook} 20... Rd7 21. f3 Bf5 22. g4 Bd3 23. Rd1 Rcd8 24. Bb6 Bc4 25. Rxd7 Rxd7 26. Bxc4 bxc4 27. Ne4 f5 28. gxf5 Kf7 29. Ba5 Rd5 30. Bc3 h5 31. Kf2 Kg8 32. f6 1-0