| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. J Marschall vs B Dorawa |
| 0-1 | 32 | 1991 | World Senior Championship | E38 Nimzo-Indian, Classical, 4...c5 |
| 2. E Karakas vs J Marschall |
| ½-½ | 16 | 1991 | World Senior Championship | B40 Sicilian |
| 3. J Marschall vs K Patzl |
| ½-½ | 32 | 1991 | World Senior Championship | D46 Queen's Gambit Declined Semi-Slav |
| 4. Pachman vs J Marschall |
| 1-0 | 25 | 1991 | World Senior Championship | E61 King's Indian |
| 5. J Marschall vs K Honfi |
| ½-½ | 42 | 1991 | World Senior Championship | A56 Benoni Defense |
| 6. Suetin vs J Marschall |
| 1-0 | 24 | 1991 | World Senior Championship | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 7. J Marschall vs W Steglich |
| ½-½ | 22 | 1992 | World Senior Championship | E32 Nimzo-Indian, Classical |
| 8. V Gensbauer vs J Marschall |
| ½-½ | 63 | 1992 | World Senior Championship | B40 Sicilian |
| 9. J Marschall vs R Goerge |
| 1-0 | 34 | 1992 | World Senior Championship | D35 Queen's Gambit Declined |
| 10. L Schneider vs J Marschall |
| 0-1 | 30 | 1992 | World Senior Championship | B84 Sicilian, Scheveningen |
| 11. J Marschall vs K Lembidakis |
| ½-½ | 43 | 1992 | World Senior Championship | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 12. B Aurell vs J Marschall |
| 1-0 | 34 | 1992 | World Senior Championship | E85 King's Indian, Samisch, Orthodox Variation |
| 13. J Marschall vs H Giering |
| 1-0 | 58 | 1992 | World Senior Championship | E97 King's Indian |
| 14. K Mertins vs J Marschall |
| 1-0 | 38 | 1992 | World Senior Championship | E67 King's Indian, Fianchetto |
| 15. F Schlag vs J Marschall |
| 1-0 | 33 | 1992 | World Senior Championship | B20 Sicilian |
| 16. M Engler vs J Marschall |
| 0-1 | 78 | 1992 | World Senior Championship | E73 King's Indian |
| 17. J Marschall vs O Sarapu |
| ½-½ | 38 | 1992 | World Senior Championship | D35 Queen's Gambit Declined |
| 18. J Marschall vs Anatoli Darski |
| 0-1 | 26 | 1993 | Wch Seniors 03rd | E91 King's Indian |
| 19. J Hund vs J Marschall |
| 0-1 | 48 | 1993 | Wch Seniors 03rd | A07 King's Indian Attack |
| 20. J Marschall vs Matulovic |
| 1-0 | 70 | 1995 | Bad Liebenzell snr | A40 Queen's Pawn Game |
| 21. J Marschall vs M Kantorik |
| 0-1 | 24 | 1999 | Bayern-chI Bank Hofmann 3rd | D15 Queen's Gambit Declined Slav |
| 22. T Gasparian vs J Marschall |
| 0-1 | 57 | 1999 | Bayern-chI Bank Hofmann 3rd | A07 King's Indian Attack |
| 23. J Marschall vs W Taeger |
| 0-1 | 53 | 1999 | Bayern-chI Bank Hofmann 3rd | D34 Queen's Gambit Declined, Tarrasch |
| 24. J Marschall vs R Rodkin |
| 0-1 | 60 | 1999 | Bayern-chI Bank Hofmann 3rd | D11 Queen's Gambit Declined Slav |
| 25. J Marschall vs S Gottschling |
| 0-1 | 55 | 1999 | Bayern-chI Bank Hofmann 3rd | E32 Nimzo-Indian, Classical |
Kibitzing
