WORLDBASE Game IM Materia vs GM Zierk

[Event "1st 3-0 Thu 20th Aug 2026"] [Site "chess.com INT"] [Date "2026.08.20"] [Round "4"] [White "Materia, Marco"] [Black "Zierk, S"] [Result "0-1"] [WhiteTitle "IM"] [BlackTitle "GM"] [WhiteElo "2517"] [BlackElo "2489"] [ECO "A35"] [Opening "English"] [Variation "symmetrical, four knights system"] [EventDate "2026.08.20"] [WhiteFideId "45150451"] [BlackFideId "2034255"] [SourceTitle "The Week in Chess 1659"] [Source "Mark Crowther"] [SourceDate "2026.08.24"] 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. d3 Be7 9. Nd2 Bd7 10. a4 O-O 11. Nc4 f6 12. f4 exf4 13. Bxf4 Be6 14. Bxc7 Qxc7 15. Bd5 Qd7 16. e4 Nb4 17. Bxe6+ Qxe6 18. Ne3 Bd6 19. Ncd5 Nxd5 20. Nxd5 f5 21. Qc2 fxe4 22. dxe4 Rxf1+ 23. Rxf1 Rf8 24. Qc4 Rxf1+ 25. Kxf1 Kf7 26. Kg2 b6 27. b3 Be5 28. Qf1+ Ke8 29. Qa6 Qd7 30. Kf3 g6 31. Ke3 Kf7 32. Qf1+ Kg7 33. Kd3 b5 34. Qd1 Qb7 35. axb5 Qxb5+ 36. Ke3 c4 37. bxc4 Qxc4 38. Kf3 a5 39. Qd2 Qb3+ 40. Kg4 Qa4 41. Qe2 Qd7+ 42. Kf3 a4 43. Qa6 Bb2 44. Nb6 Qf7+ 45. Kg2 a3 46. Nc4 Qe7 47. e5 Qc5 48. Qf6+ Kg8 49. Qe6+ Kg7 50. Qf6+ Kg8 51. Qd8+ Qf8 52. Qd5+ Kg7 53. Qd7+ Kh8 54. e6 Qa8+ 55. Kh3 Bf6 56. Qf7 Bg5 57. e7 Qc8+ 58. Kg2 Bxe7 59. Qxe7 a2 60. Qf6+ Kg8 61. Nd6 Qc6+ 62. Kh3 Qd7+ 63. Kg2 Qa7 64. Qe6+ Kg7 65. Qe8 a1=Q 66. Qe5+ Qxe5 67. Ne8+ Kg8 0-1