| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Boehm vs S Buecker |
| 1-0 | 49 |
1981 |
Suedlohn GER | A43 Old Benoni |
| 2. S Buecker vs J Fleck |
| 0-1 | 40 |
1981 |
Suedlohn GER | B25 Sicilian, Closed |
| 3. S Buecker vs J Blaskowski |
| ½-½ | 44 |
1981 |
Suedlohn GER | A02 Bird's Opening |
| 4. R Kuijf vs S Buecker |
| 1-0 | 27 |
1981 |
Suedlohn GER | B33 Sicilian |
| 5. K Panczyk vs S Buecker |
| 0-1 | 62 |
1981 |
Suedlohn GER | A43 Old Benoni |
| 6. H Vetter vs S Buecker |
| 0-1 | 40 |
1981 |
Suedlohn GER | C01 French, Exchange |
| 7. S Buecker vs C Bergstrom |
| ½-½ | 60 |
1981 |
Suedlohn GER | B25 Sicilian, Closed |
| 8. S Buecker vs M Santo-Roman |
| ½-½ | 70 |
1981 |
Suedlohn GER | A03 Bird's Opening |
| 9. N Sehner vs S Buecker |
| 0-1 | 35 |
1981 |
Suedlohn GER | A10 English |
| 10. S Buecker vs P Weber |
| 1-0 | 27 |
1981 |
Suedlohn GER | B12 Caro-Kann Defense |
| 11. S Buecker vs M Trepp |
| 0-1 | 43 |
1981 |
Suedlohn GER | B24 Sicilian, Closed |
| 12. S Buecker vs C Herbrechtsmeier |
| 0-1 | 10 |
1983 |
Baden Baden op | C34 King's Gambit Accepted |
| 13. S Buecker vs S Nicolic |
| 1-0 | 41 |
1984 |
Biel op | C34 King's Gambit Accepted |
| 14. B Perenyi vs S Buecker |
 | 1-0 | 16 |
1984 |
Elekes mem op 9th | B18 Caro-Kann, Classical |
| 15. C Pieper Emden vs S Buecker |
| 0-1 | 53 |
1985 |
NRW-ch U26 | A88 Dutch, Leningrad, Main Variation with c6 |
| 16. P Backwinkel vs S Buecker |
| 0-1 | 47 |
1986 |
Meinberg | A04 Reti Opening |
| 17. S Buecker vs R Hess |
| 0-1 | 71 |
1987 |
BRD-BL Bochum/Bayern | C30 King's Gambit Declined |
| 18. S Buecker vs H Seegers |
 | 1-0 | 38 |
1987 |
BRD-BL Bochum/Bayern | C35 King's Gambit Accepted, Cunningham |
| 19. Hort vs S Buecker |
 | 1-0 | 17 |
1987 |
Bad Neuenahr | B04 Alekhine's Defense, Modern |
| 20. S Buecker vs A Van de Oudeweetering |
| 0-1 | 20 |
1989 |
Budapest | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 21. O Renet vs S Buecker |
| 1-0 | 35 |
1989 |
Dortmund-B | C40 King's Knight Opening |
| 22. Ivkov vs S Buecker |
| ½-½ | 80 |
1989 |
Dortmund-B | A04 Reti Opening |
| 23. Y Berthelot vs S Buecker |
| 1-0 | 62 |
1989 |
Eger op | C30 King's Gambit Declined |
| 24. S Buecker vs Flear |
| 0-1 | 37 |
1989 |
Dortmund-B | C34 King's Gambit Accepted |
| 25. S Buecker vs P Vogelmann |
| 1-0 | 41 |
1989 |
BRD-BL Dortmund/Monh | C31 King's Gambit Declined, Falkbeer Counter Gambit |