[Event "It (open)"] [Site "Giessen (Germany)"] [Round "7"] [White "Derichs Roger (GER)"] [Black "Szwarc Klaus Peter"] [Result "1-0"] [WhiteElo "2307"] [BlackElo "0"] [ECO "A10"] [Opening "English: Anglo-Dutch"] 1. c4 f5 2. Nc3 Nf6 3. Nf3 e6 4. g3 d5 5. d4 c6 6. Bg2 Be7 7. O-O O-O 8. b3 Ne8 9. Ne5 Nd7 10. Bb2 Nd6 11. e3 Nf7 12. Ne2 Bd6 13. Nxf7 Rxf7 14. Nf4 Nf6 15. Nd3 Nd7 16. Qd2 Rf8 17. a4 Nf6 18. Ba3 Bxa3 19. Rxa3 Qe7 20. Ra2 Nd7 21. Qc3 Kh8 22. f4 Nb8 23. Rc1 Bd7 24. b4 a6 25. c5 Bc8 26. Rca1 Qc7 27. Qb2 Kg8 28. Bf1 g6 29. Rb1 Kg7 30. Ra3 Rf7 31. Rb3 Re7 32. Ne5 Nd7 33. Nf3 h6 34. Bd3 Nf6 35. Kf2 Kh7 36. b5 axb5 37. axb5 cxb5 38. Rxb5 Nd7 39. Rb4 Rg7 40. Bb5 Ra7 41. Bxd7 Rxd7 42. Ne5 Rg7 43. Rb6 Ra8 44. Rc1 Re7 45. Rc2 Rg7 46. Rc3 Re7 47. Kf3 Rg7 48. Ra3 Rxa3 49. Qxa3 g5 50. Qa4 g4+ 51. Ke2 Re7 52. Kd2 Kg7 53. Qa5 Kh7 54. Kc3 Rg7 55. Kb4 Qe7 56. Rd6 Rg8 57. Qb6 h5 58. Qa7 h4 59. Qb8 hxg3 60. hxg3 Kg7 61. Ka5 Kf6 62. Kb6 Qe8 63. Qc7 Rh8 64. Nd7+ Bxd7 65. Rxd7 Rg8 66. Qe5+ Kg6 67. Qd6 Kf6 68. Qc7 {#r} 1-0