[Event "Interne ronde 31"] [White "Hans Leeuwerik"] [Black "Olivier Vis"] [Site ""] [Round ""] [Annotator ""] [Result "1/2-1/2"] [Date "2023.04.14"] [WhiteElo "1806"] [BlackElo "1855"] [PlyCount "107"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. 0-0 0-0 10. f3 Nc6 11. Nde2 Rac8 12. Be3 Rfd8 13. Qa4 Ne5 14. Qxd7 Nfxd7 15. b3 Nc5 16. Rad1 Kf8 17. h3 Nc6 18. Rd2 a6 19. Rfd1 Ke8 20. Kf2 h5 21. Nd5 b5 22. b4 Nd7 23. cxb5 axb5 24. Nd4 Nxd4 25. Bxd4 Bxd4+ 26. Rxd4 Rc2+ 27. R4d2 Rdc8 28. Ne3 Rxd2+ 29. Rxd2 Nb6 30. Rc2 Kd7 31. Rxc8 Nxc8 32. Nd5 e6 33. Nc3 Kc6 34. h4 d5 35. Ke3 Nd6 36. g4 Nc4+ 37. Kd4 e5+ 38. Kd3 d4 39. Nd5 Kd6 40. gxh5 gxh5 41. Nf6 Ne3 42. Nxh5 Ng2 43. f4 Nxh4 44. fxe5+ Kxe5 45. Ng3 Nf3 46. Ne2 Ne1+ 47. Kd2 d3 48. Nc3 Nc2 49. Kxd3 Nxb4+ 50. Ke3 Nxa2 51. Nxa2 f5 52. exf5 Kxf5 53. Kd4 b4 54. Nxb4 1/2-1/2