| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. N Illijin vs S Lilienthal |
 | 1-0 | 17 |
1976 |
EU-ch M corr | B89 Sicilian |
| 2. N Illijin vs W Ravagnati |
| 1-0 | 29 |
1992 |
Ticino op | B84 Sicilian, Scheveningen |
| 3. R Schweizer vs N Illijin |
| 0-1 | 52 |
2000 |
Stadt Casino op | B41 Sicilian, Kan |
| 4. J Hesse vs N Illijin |
| 0-1 | 40 |
2000 |
Stadt Casino op | B21 Sicilian, 2.f4 and 2.d4 |
| 5. J Prestrl vs N Illijin |
| 0-1 | 50 |
2001 |
open | B22 Sicilian, Alapin |
| 6. M Hussan vs N Illijin |
| 0-1 | 51 |
2001 |
ADCF Masters | A07 King's Indian Attack |
| 7. N Illijin vs K Cetina |
| 1-0 | 40 |
2001 |
open | B71 Sicilian, Dragon, Levenfish Variation |
| 8. Juni Caluza vs N Illijin |
| 0-1 | 26 |
2001 |
26th Keres Mem | E15 Queen's Indian |
| 9. J Woolley vs N Illijin |
| 0-1 | 27 |
2001 |
open | E06 Catalan, Closed, 5.Nf3 |
| 10. S Fairbairn vs N Illijin |
| 0-1 | 37 |
2001 |
26th Keres Mem | B42 Sicilian, Kan |
| 11. N Illijin vs E Senoner |
| 1-0 | 32 |
2001 |
open | C42 Petrov Defense |
| 12. N Illijin vs J Sriram |
| 1-0 | 37 |
2005 |
Bajada de la Virgen op 3rd | B42 Sicilian, Kan |
| 13. J Wyss vs N Illijin |
| 0-1 | 25 |
2005 |
Swiss Championships | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 14. N Illijin vs S Vaswey |
| 1-0 | 34 |
2005 |
Swiss Championships | B33 Sicilian |
| 15. M Andenmatten vs N Illijin |
| 0-1 | 17 |
2005 |
Swiss Championships | B41 Sicilian, Kan |
| 16. N Illijin vs D Jovanovic |
| 1-0 | 40 |
2008 |
21st Belgrade Trophy | D11 Queen's Gambit Declined Slav |
| 17. Miroslav O Jovanovic vs N Illijin |
| 0-1 | 67 |
2008 |
21st Belgrade Trophy | E16 Queen's Indian |
| 18. Branko Skoric vs N Illijin |
| 0-1 | 60 |
2008 |
21st Belgrade Trophy | B22 Sicilian, Alapin |
| 19. N Illijin vs Petar Danojlic |
| 1-0 | 36 |
2008 |
21st Belgrade Trophy | B56 Sicilian |
| 20. Z Jovanovic vs N Illijin |
| 0-1 | 59 |
2008 |
21st Belgrade Trophy | E17 Queen's Indian |
