| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Bethmann vs R Markus |
| ½-½ | 15 |
1989 |
WO 013 | C33 King's Gambit Accepted |
| 2. R Markus vs Ponomariov |
| 0-1 | 27 |
1994 |
Wch U12 | B02 Alekhine's Defense |
| 3. H Graefe vs R Markus |
| 0-1 | 13 |
1994 |
CIF corr | A01 Nimzovich-Larsen Attack |
| 4. L E Johannessen vs R Markus |
 | 1-0 | 12 |
1995 |
Olympiad (under 16) | A87 Dutch, Leningrad, Main Variation |
| 5. R Markus vs H Geanta |
| 1-0 | 41 |
2000 |
t-EuCh U18 | E32 Nimzo-Indian, Classical |
| 6. F Langheinrich vs R Markus |
| ½-½ | 39 |
2000 |
t-EuCh U18 | C47 Four Knights |
| 7. A Bokros vs R Markus |
| ½-½ | 23 |
2000 |
t-EuCh U18 | C77 Ruy Lopez |
| 8. I Hera vs R Markus |
| ½-½ | 26 |
2000 |
t-EuCh U18 | A10 English |
| 9. R Markus vs Radjabov |
 | 0-1 | 34 |
2000 |
Budapest FS12 GM | E81 King's Indian, Samisch |
| 10. R Markus vs R Loetscher |
| 1-0 | 44 |
2000 |
t-EuCh U18 | A56 Benoni Defense |
| 11. R Markus vs Eljanov |
| ½-½ | 21 |
2000 |
t-EuCh U18 | D91 Grunfeld, 5.Bg5 |
| 12. Groszpeter vs R Markus |
| ½-½ | 26 |
2001 |
VI Cup GM | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 13. R Markus vs V Sanduleac |
| ½-½ | 32 |
2001 |
VII Sreiber Mem | A41 Queen's Pawn Game (with ...d6) |
| 14. R Markus vs Sedlak |
| ½-½ | 13 |
2001 |
VII Sreiber Mem | E92 King's Indian |
| 15. R Markus vs N Nikolic |
| 0-1 | 34 |
2001 |
TCh-YUG | E97 King's Indian |
| 16. R Markus vs F Berkes |
| 0-1 | 59 |
2001 |
FSGM February | E38 Nimzo-Indian, Classical, 4...c5 |
| 17. V Rajlich vs R Markus |
| ½-½ | 60 |
2001 |
VI Cup GM | C71 Ruy Lopez |
| 18. M Pap vs R Markus |
| 1-0 | 55 |
2001 |
VII Sreiber Mem | C41 Philidor Defense |
| 19. R Markus vs T Polak |
| 1-0 | 51 |
2001 |
VI Cup GM | E32 Nimzo-Indian, Classical |
| 20. M Popchev vs R Markus |
| ½-½ | 45 |
2001 |
VII Sreiber Mem | A80 Dutch |
| 21. D Popovic vs R Markus |
| ½-½ | 13 |
2001 |
VII Sreiber Mem | C41 Philidor Defense |
| 22. V Pajkovic vs R Markus |
| 1-0 | 46 |
2001 |
TCh-YUG | A81 Dutch |
| 23. R Markus vs Sherzer |
| 1-0 | 56 |
2001 |
FSGM February | D10 Queen's Gambit Declined Slav |
| 24. R Markus vs J Sprenger |
| ½-½ | 10 |
2001 |
VI Cup GM | D45 Queen's Gambit Declined Semi-Slav |
| 25. R Markus vs P Benkovic |
| ½-½ | 16 |
2001 |
VII Sreiber Mem | D35 Queen's Gambit Declined |