| 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. Razuvaev vs N Illijin |
| 1-0 | 30 |
1994 |
Bern op | E06 Catalan, Closed, 5.Nf3 |
| 4. Z Kozul vs N Illijin |
| 1-0 | 52 |
1997 |
Bled op | E12 Queen's Indian |
| 5. E Najer vs N Illijin |
| 1-0 | 45 |
1998 |
Groningen Open | B23 Sicilian, Closed |
| 6. Pavasovic vs N Illijin |
| 1-0 | 37 |
1998 |
SLO-chT | B22 Sicilian, Alapin |
| 7. D Pikula vs N Illijin |
| 1-0 | 50 |
2001 |
MTO | B40 Sicilian |
| 8. M Dobrotka vs N Illijin |
| 1-0 | 26 |
2001 |
open | E12 Queen's Indian |
| 9. G Huber vs N Illijin |
| 1-0 | 40 |
2001 |
26th Keres Mem | B23 Sicilian, Closed |
| 10. N Illijin vs E Senoner |
| 1-0 | 32 |
2001 |
open | C42 Petrov Defense |
| 11. I Kragelj vs N Illijin |
| 1-0 | 45 |
2001 |
open | E15 Queen's Indian |
| 12. H Rasch vs N Illijin |
| 1-0 | 26 |
2001 |
MTO | B40 Sicilian |
| 13. N Illijin vs K Cetina |
| 1-0 | 40 |
2001 |
open | B71 Sicilian, Dragon, Levenfish Variation |
| 14. N Illijin vs S Vaswey |
| 1-0 | 34 |
2005 |
Swiss Championships | B33 Sicilian |
| 15. K Kappeler vs N Illijin |
| 1-0 | 40 |
2005 |
Swiss Championships | E32 Nimzo-Indian, Classical |
| 16. T Horvath vs N Illijin |
| 1-0 | 34 |
2005 |
Swiss Championships | B43 Sicilian, Kan, 5.Nc3 |
| 17. M Urosevic vs N Illijin |
| 1-0 | 59 |
2005 |
18th Belgrade Trophy | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 18. F Peralta vs N Illijin |
| 1-0 | 36 |
2005 |
III Open Bajada de la Virgen | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 19. B Avrukh vs N Illijin |
| 1-0 | 34 |
2005 |
III Open Bajada de la Virgen | E00 Queen's Pawn Game |
| 20. N Illijin vs J Sriram |
| 1-0 | 37 |
2005 |
Bajada de la Virgen op 3rd | B42 Sicilian, Kan |
| 21. N Illijin vs Petar Danojlic |
| 1-0 | 36 |
2008 |
21st Belgrade Trophy | B56 Sicilian |
| 22. N Illijin vs D Jovanovic |
| 1-0 | 40 |
2008 |
21st Belgrade Trophy | D11 Queen's Gambit Declined Slav |
| 23. G Vucinic vs N Illijin |
| 1-0 | 20 |
2008 |
21st Belgrade Trophy | B48 Sicilian, Taimanov Variation |