| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. I Rogers vs S Zeidler |
| 1-0 | 18 |
1990 |
Melbourne | B01 Scandinavian |
| 2. S Zeidler vs I Nikolaidis |
| 0-1 | 36 |
1997 |
EU-chT (Men) | B23 Sicilian, Closed |
| 3. R Akesson vs S Zeidler |
| 1-0 | 39 |
1997 |
EU-chT (Men) | A04 Reti Opening |
| 4. S Zeidler vs N Mitkov |
| 0-1 | 69 |
1997 |
EU-chT (Men) | C44 King's Pawn Game |
| 5. R Damaso vs S Zeidler |
| 1-0 | 37 |
1997 |
EU-chT (Men) | B01 Scandinavian |
| 6. S Zeidler vs Degraeve |
| 0-1 | 29 |
1997 |
EU-chT (Men) | B23 Sicilian, Closed |
| 7. D Gormally vs S Zeidler |
| 1-0 | 26 |
1999 |
Dyfed op | A80 Dutch |
| 8. S Zeidler vs Tiviakov |
| 0-1 | 26 |
2001 |
EuTCh | B23 Sicilian, Closed |
| 9. S Zeidler vs A Fernandes |
| 0-1 | 23 |
2001 |
EuTCh | B23 Sicilian, Closed |
| 10. M Heidenfeld vs S Zeidler |
| 1-0 | 64 |
2001 |
EuTCh | B01 Scandinavian |
| 11. S Zeidler vs D Bryson |
| 0-1 | 54 |
2001 |
4NCL | B01 Scandinavian |
| 12. K Haznedaroglu vs S Zeidler |
| 1-0 | 34 |
2001 |
EuTCh | B01 Scandinavian |
| 13. S Zeidler vs Conquest |
| 0-1 | 52 |
2001 |
4NCL | B23 Sicilian, Closed |
| 14. D Bryson vs S Zeidler |
| 1-0 | 30 |
2001 |
EuTCh | B01 Scandinavian |
| 15. B Kelly vs S Zeidler |
| 1-0 | 37 |
2001 |
4NCL | A88 Dutch, Leningrad, Main Variation with c6 |
| 16. S Zeidler vs Fedorov |
 | 0-1 | 30 |
2002 |
Bled Olympiad | B23 Sicilian, Closed |
| 17. B Lalic vs S Zeidler |
| 1-0 | 24 |
2002 |
4NCL | A85 Dutch, with c4 & Nc3 |
| 18. S Zeidler vs P Thipsay |
| 0-1 | 45 |
2002 |
Bled Olympiad | C44 King's Pawn Game |
| 19. F Garmendez vs S Zeidler |
| 1-0 | 74 |
2002 |
Bled Olympiad | B01 Scandinavian |
| 20. S Zeidler vs T Nyback |
| 0-1 | 48 |
2003 |
EU-chT (Men) | B07 Pirc |
| 21. V Georgiev vs S Zeidler |
| 1-0 | 30 |
2003 |
EU-chT (Men) | A87 Dutch, Leningrad, Main Variation |
| 22. S Zeidler vs Plaskett |
| 0-1 | 37 |
2005 |
14th Bora Kostic Mem | B23 Sicilian, Closed |
| 23. A Spice vs S Zeidler |
| 1-0 | 36 |
2007 |
53rd Welsh Championship | A00 Uncommon Opening |
