| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. W Schweitzer vs C Stanetzek |
| 0-1 | 57 | 2009 | Vienna Open-A | C50 Giuoco Piano |
| 2. A Albadri vs W Schweitzer |
| 1-0 | 68 | 2009 | Vienna Open-A | D04 Queen's Pawn Game |
| 3. W Schweitzer vs J Gdanski |
| 0-1 | 25 | 2010 | European Championship | C05 French, Tarrasch |
| 4. V Nedilko vs W Schweitzer |
 | 1-0 | 22 | 2010 | European Championship | D17 Queen's Gambit Declined Slav |
| 5. W Schweitzer vs P Samanic |
| 1-0 | 37 | 2010 | European Championship | C50 Giuoco Piano |
| 6. T Sarbok vs W Schweitzer |
| 1-0 | 54 | 2010 | European Championship | B13 Caro-Kann, Exchange |
| 7. R Veleski vs W Schweitzer |
| 1-0 | 63 | 2010 | European Championship | D10 Queen's Gambit Declined Slav |
| 8. W Schweitzer vs S Winkler |
| 0-1 | 74 | 2010 | European Championship | C05 French, Tarrasch |
| 9. J Plenca vs W Schweitzer |
| 0-1 | 21 | 2010 | European Championship | B13 Caro-Kann, Exchange |
| 10. W Schweitzer vs M Dubrovic |
| 1-0 | 55 | 2010 | European Championship | C23 Bishop's Opening |
| 11. W Schweitzer vs M Nedochetov |
| 1-0 | 54 | 2010 | European Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 12. J Rukavina vs W Schweitzer |
| 1-0 | 52 | 2010 | European Championship | A06 Reti Opening |
| 13. W Schweitzer vs E Schiendorfer |
| 0-1 | 38 | 2010 | European Championship | C41 Philidor Defense |
| 14. H Pilaj vs W Schweitzer |
| 1-0 | 82 | 2012 | Austrian Championship | A09 Reti Opening |
| 15. W Schweitzer vs J Novkovic |
| ½-½ | 62 | 2013 | International Styrian-Open A Turnier | A00 Uncommon Opening |
| 16. G Froewis vs W Schweitzer |
| ½-½ | 66 | 2014 | Casino Graz Open | A09 Reti Opening |
| 17. W Schweitzer vs G Schnider |
| ½-½ | 55 | 2014 | Casino Graz Open | A00 Uncommon Opening |
| 18. W Schweitzer vs R Perhinig |
| 0-1 | 54 | 2014 | Casino Graz Open | C03 French, Tarrasch |
| 19. B Heberla vs W Schweitzer |
| 1-0 | 33 | 2015 | Vienna Open Group-A | B17 Caro-Kann, Steinitz Variation |
| 20. H Willard vs W Schweitzer |
| 0-1 | 44 | 2019 | Xtracon Open | B13 Caro-Kann, Exchange |
| 21. W Schweitzer vs T Fantinel |
| 0-1 | 20 | 2019 | Xtracon Open | B25 Sicilian, Closed |
| 22. T Hansen vs W Schweitzer |
| ½-½ | 36 | 2019 | Xtracon Open | B13 Caro-Kann, Exchange |
| 23. W Schweitzer vs R Masotti |
| 1-0 | 38 | 2019 | Xtracon Open | A07 King's Indian Attack |
| 24. W Schweitzer vs D Nasshan |
| 0-1 | 50 | 2019 | Xtracon Open | B18 Caro-Kann, Classical |
| 25. O Smeby vs W Schweitzer |
| 0-1 | 54 | 2019 | Xtracon Open | A80 Dutch |
Kibitzing
