| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. K Rathnakaran vs P Mohajerin Esfahani |
| 1-0 | 40 | 2001 | Asian U20 | A07 King's Indian Attack |
| 2. M R Venkatesh vs K Rathnakaran |
| 1-0 | 49 | 2001 | Asian U20 | A07 King's Indian Attack |
| 3. K Rathnakaran vs S Mousavian |
| 0-1 | 89 | 2001 | Asian U20 | C00 French Defense |
| 4. R Abbasi vs K Rathnakaran |
| 0-1 | 57 | 2001 | Asian U20 | C05 French, Tarrasch |
| 5. K Rathnakaran vs B Takyrbashev |
| 1-0 | 41 | 2001 | Asian U20 | B06 Robatsch |
| 6. B Al Qudaimi vs K Rathnakaran |
| 0-1 | 43 | 2001 | Asian U20 | C05 French, Tarrasch |
| 7. K Rathnakaran vs E Ghaem Maghami |
| ½-½ | 42 | 2001 | Asian U20 | B28 Sicilian, O'Kelly Variation |
| 8. E Moradiabadi vs K Rathnakaran |
 | 0-1 | 35 | 2001 | Asian U20 | A70 Benoni, Classical with 7.Nf3 |
| 9. K Rathnakaran vs Harikrishna |
| ½-½ | 35 | 2001 | Asian U20 | B33 Sicilian |
| 10. K Rathnakaran vs Thanh Son Nguyen |
| ½-½ | 59 | 2001 | Asian U20 | C46 Three Knights |
| 11. M Al Sayed vs K Rathnakaran |
| 0-1 | 66 | 2001 | Asian U20 | C11 French |
| 12. L Vajda vs K Rathnakaran |
| 1-0 | 50 | 2001 | World Junior Championship | C05 French, Tarrasch |
| 13. J Markos vs K Rathnakaran |
| 1-0 | 26 | 2001 | World Junior Championship | A67 Benoni, Taimanov Variation |
| 14. D Mastrovasilis vs K Rathnakaran |
| 1-0 | 37 | 2001 | World Junior Championship | C11 French |
| 15. J Berkvens vs K Rathnakaran |
| ½-½ | 54 | 2001 | World Junior Championship | A67 Benoni, Taimanov Variation |
| 16. K Rathnakaran vs A Schenk |
| 0-1 | 40 | 2001 | World Junior Championship | C00 French Defense |
| 17. K Rathnakaran vs Barsov |
| 0-1 | 30 | 2004 | Pune op | A07 King's Indian Attack |
| 18. K Rathnakaran vs D Sharma |
| ½-½ | 36 | 2004 | Piloo Mody Open | C54 Giuoco Piano |
| 19. Deepan Chakkravarthy J vs K Rathnakaran |
| 1-0 | 28 | 2004 | Piloo Mody Open | C05 French, Tarrasch |
| 20. K Rathnakaran vs S Prathamesh |
| 0-1 | 32 | 2004 | Piloo Mody Open | A07 King's Indian Attack |
| 21. K Rathnakaran vs N Ibraev |
| ½-½ | 27 | 2006 | New Delhi Parsvnath op 4th | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 22. Rishipal Singh vs K Rathnakaran |
| 1-0 | 41 | 2006 | New Delhi Parsvnath op 4th | A16 English |
| 23. K Rathnakaran vs R Ramesh |
| ½-½ | 14 | 2006 | New Delhi Parsvnath op 4th | B56 Sicilian |
| 24. K Rathnakaran vs P Ponkratov |
| 1-0 | 81 | 2007 | Champions Challenge 186th | A07 King's Indian Attack |
| 25. P Ponkratov vs K Rathnakaran |
| 1-0 | 75 | 2007 | Champions Challenge 186th | A70 Benoni, Classical with 7.Nf3 |
Kibitzing
