Here's an old example from my practice. White played 11. b4!
[Event "German Bundesliga"]
[Site ""]
[Date "1986.??.??"]
[Round ""]
[White "Gawehns, K."]
[Black "Seul, G."]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2365"]
[BlackElo "2235"]
[PlyCount "83"]
1. b3 Nf6 2. Bb2 d5 3. e3 g6 4. c4 Bg7 5. cxd5 Qxd5 6. Nc3 Qd8 7. Nf3 O-O 8. d4
c5 9. dxc5 Qa5 10. a3 Rd8 11. b4 Rxd1+ 12. Rxd1 Qc7 13. Nb5 Qc6 14. Rd8+ Bf8
15. Nfd4 Qe4 16. Nc3 Qh4 17. g3 Qh5 18. Rxc8 e5 19. Ndb5 Qf3 20. Rg1 Qf5 21.
Nd6 Qc2 22. Nd1 Kg7 23. Ne8+ Nxe8 24. Rxe8 f6 25. Bg2 Qa4 26. Rxf8 Qd7 27. Rxb8
Rxb8 28. Nc3 Rd8 29. Bd5 Qf5 30. e4 Qf3 31. g4 Qd3 32. Rg3 Qc2 33. Nd1 Rxd5 34.
exd5 Qe4+ 35. Re3 Qxd5 36. g5 fxg5 37. Bxe5+ Kg8 38. Nc3 Qh1+ 39. Ke2 Qc1 40.
Ne4 h6 41. Nd6 Qh1 42. Bc3 1-0