| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. P Buecker vs G Schebler |
| 1-0 | 43 | 1987 | NRW-ch | C34 King's Gambit Accepted |
| 27. B Donner vs P Buecker |
| 0-1 | 20 | 1987 | NRW-ch | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 28. J Peist vs P Buecker |
| ½-½ | 13 | 1987 | NRW-ch | D44 Queen's Gambit Declined Semi-Slav |
| 29. P Buecker vs T Hollermann |
| ½-½ | 28 | 1987 | NRW-ch | B22 Sicilian, Alapin |
| 30. R Baumhus vs P Buecker |
| 1-0 | 51 | 1987 | NRW-ch | B10 Caro-Kann |
| 31. P Buecker vs U Kaeser |
| 1-0 | 49 | 1987 | NRW-ch | B22 Sicilian, Alapin |
| 32. S Buecker vs P Buecker |
| ½-½ | 9 | 1987 | NRW-ch | A00 Uncommon Opening |
| 33. C Kamp vs P Buecker |
| ½-½ | 11 | 1988 | Muenster Elo | A13 English |
| 34. J Gallagher vs P Buecker |
| 1-0 | 37 | 1989 | Biel MTO op | B17 Caro-Kann, Steinitz Variation |
| 35. P Buecker vs C Kamp |
| ½-½ | 32 | 1989 | Muenster Elo | C02 French, Advance |
| 36. P Buecker vs T Schuetz |
| ½-½ | 9 | 1989 | Dortmund-C | B22 Sicilian, Alapin |
| 37. P Buecker vs L Jovic |
| 1-0 | 39 | 1989 | Dortmund-C | B22 Sicilian, Alapin |
| 38. S Tatai vs P Buecker |
| ½-½ | 70 | 1989 | Dortmund-C | B17 Caro-Kann, Steinitz Variation |
| 39. P Buecker vs C Bernard |
| 1-0 | 32 | 1989 | Dortmund-C | B07 Pirc |
| 40. M Thesing vs P Buecker |
| ½-½ | 42 | 1989 | Dortmund-C | A10 English |
| 41. P Buecker vs E Szalanczy |
| 1-0 | 51 | 1989 | Dortmund-C | B22 Sicilian, Alapin |
| 42. G Dermann vs P Buecker |
| ½-½ | 15 | 1989 | Dortmund-C | D30 Queen's Gambit Declined |
| 43. G Grimberg vs P Buecker |
| ½-½ | 42 | 1989 | Dortmund-C | B12 Caro-Kann Defense |
| 44. L Keitlinghaus vs P Buecker |
| 0-1 | 44 | 1989 | Dortmund-C | E07 Catalan, Closed |
| 45. G Mainka vs P Buecker |
| ½-½ | 35 | 1989 | Dortmund-C | B13 Caro-Kann, Exchange |
| 46. P Buecker vs F Schuh |
| 1-0 | 15 | 1989 | Dortmund-C | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 47. B Stein vs P Buecker |
| ½-½ | 30 | 1989 | Noviki-C | B14 Caro-Kann, Panov-Botvinnik Attack |
| 48. P Buecker vs A van de Oudeweetering |
| 0-1 | 20 | 1989 | Noviki-C | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 49. F Bellia vs P Buecker |
| 0-1 | 34 | 1989 | Noviki-C | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 50. P Buecker vs G Bordas |
| 1-0 | 38 | 1989 | Noviki-C | B22 Sicilian, Alapin |
Kibitzing
