| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. N Koskela vs Rantala Hannu |
| 1-0 | 35 |
1994 |
JSM 94/95, SKF-HyvSK | C55 Two Knights Defense |
| 2. N Koskela vs Grnthal Riho |
| 0-1 | 60 |
1995 |
JSM 94/95, SKF-HSK(6 | C55 Two Knights Defense |
| 3. N Koskela vs A Sofieva |
| 1-0 | 15 |
1997 |
It open | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 4. N Koskela vs O Sepp |
| 0-1 | 21 |
1998 |
Keres mem open | C30 King's Gambit Declined |
| 5. J Aijala vs N Koskela |
| 1-0 | 45 |
1998 |
Helsinki We RikSha op | A07 King's Indian Attack |
| 6. N Koskela vs Khenkin |
| 0-1 | 43 |
1998 |
Rilton Cup | B10 Caro-Kann |
| 7. H Lehtinen vs N Koskela |
| 0-1 | 31 |
2000 |
10th Open | A15 English |
| 8. N Koskela vs N Ioseliani |
| ½-½ | 46 |
2000 |
FIDE WCh Women KO | B83 Sicilian |
| 9. N Koskela vs M Rytshagov |
| 0-1 | 59 |
2000 |
10th Open | A04 Reti Opening |
| 10. N Ioseliani vs N Koskela |
| 1-0 | 45 |
2000 |
FIDE WCh Women KO | E12 Queen's Indian |
| 11. J Yrjola vs N Koskela |
| ½-½ | 30 |
2000 |
10th Open | A29 English, Four Knights, Kingside Fianchetto |
| 12. S Vijayalakshmi vs N Koskela |
| 0-1 | 81 |
2000 |
FIDE WCh Women KO | E39 Nimzo-Indian, Classical, Pirc Variation |
| 13. N Koskela vs T Seeman |
| 1-0 | 64 |
2000 |
10th Open | B23 Sicilian, Closed |
| 14. N Koskela vs S Vijayalakshmi |
| 1-0 | 30 |
2000 |
FIDE WCh Women KO | C53 Giuoco Piano |
| 15. R Tancsa vs N Koskela |
| ½-½ | 53 |
2001 |
VI Cup IM | C95 Ruy Lopez, Closed, Breyer |
| 16. N Koskela vs V Krutti |
| ½-½ | 10 |
2001 |
VI Cup IM | B06 Robatsch |
| 17. N Koskela vs M Zelic |
| 1-0 | 38 |
2001 |
VI Cup IM | C24 Bishop's Opening |
| 18. N Koskela vs A Habibi |
| 1-0 | 70 |
2001 |
VI Cup IM | B27 Sicilian |
| 19. E Dearing vs N Koskela |
| 1-0 | 41 |
2001 |
VI Cup IM | E06 Catalan, Closed, 5.Nf3 |
| 20. R Sebe-Vodislav vs N Koskela |
| 0-1 | 44 |
2001 |
VI Cup IM | C45 Scotch Game |
| 21. K Szabo vs N Koskela |
| 0-1 | 59 |
2001 |
VI Cup IM | C47 Four Knights |
| 22. N Koskela vs T Macsik |
| ½-½ | 89 |
2001 |
VI Cup IM | A08 King's Indian Attack |
| 23. N Koskela vs D Popescu |
| 1-0 | 40 |
2001 |
VI Cup IM | C00 French Defense |
| 24. N Koskela vs A Toth |
| 0-1 | 47 |
2001 |
VI Cup IM | A07 King's Indian Attack |
| 25. N Resika vs N Koskela |
| 1-0 | 41 |
2001 |
VI Cup IM | C16 French, Winawer |