| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Lahiri vs V Avari |
| 1-0 | 57 |
1999 |
Commonwealth-ch | E56 Nimzo-Indian, 4.e3, Main line with 7...Nc6 |
| 2. J Gallagher vs A Lahiri |
| 1-0 | 20 |
2000 |
Commonwealth-ch | C17 French, Winawer, Advance |
| 3. L Ravi vs A Lahiri |
| ½-½ | 14 |
2001 |
ch-IND | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 4. A Lahiri vs D V Prasad |
| ½-½ | 28 |
2001 |
ch-IND | D72 Neo-Grunfeld, 5.cd, Main line |
| 5. A Kunte vs A Lahiri |
| 1-0 | 52 |
2001 |
ch-IND | A20 English |
| 6. A Lahiri vs N Das |
| 0-1 | 22 |
2001 |
ch-IND | E53 Nimzo-Indian, 4.e3 |
| 7. Harikrishna vs A Lahiri |
| ½-½ | 66 |
2001 |
ch-IND | E10 Queen's Pawn Game |
| 8. G B Prakash vs A Lahiri |
| 1-0 | 57 |
2001 |
ch-IND | D38 Queen's Gambit Declined, Ragozin Variation |
| 9. A Lahiri vs P Thipsay |
| ½-½ | 28 |
2001 |
ch-IND | E69 King's Indian, Fianchetto, Classical Main line |
| 10. Sasikiran vs A Lahiri |
| 1-0 | 47 |
2001 |
ch-IND | E38 Nimzo-Indian, Classical, 4...c5 |
| 11. A Lahiri vs N Wajih |
| 1-0 | 27 |
2001 |
ch-IND | E62 King's Indian, Fianchetto |
| 12. A Lahiri vs J Sriram |
| ½-½ | 37 |
2001 |
ch-IND | D51 Queen's Gambit Declined |
| 13. S R Chowdhury vs A Lahiri |
| ½-½ | 10 |
2001 |
ch-IND | A46 Queen's Pawn Game |
| 14. A Lahiri vs P Konguvel |
| 0-1 | 56 |
2001 |
ch-IND | D72 Neo-Grunfeld, 5.cd, Main line |
| 15. D Barua vs A Lahiri |
| ½-½ | 47 |
2001 |
ch-IND | C19 French, Winawer, Advance |
| 16. A Lahiri vs K Murugan |
| 0-1 | 29 |
2001 |
ch-IND | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 17. A Lahiri vs Ganguly |
| ½-½ | 16 |
2001 |
ch-IND | D26 Queen's Gambit Accepted |
| 18. N K Mishra vs A Lahiri |
| 0-1 | 32 |
2001 |
ch-IND | E04 Catalan, Open, 5.Nf3 |
| 19. A Lahiri vs V Saravanan |
| 1-0 | 39 |
2001 |
ch-IND | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 20. S Sahu vs A Lahiri |
| 0-1 | 68 |
2001 |
ch-IND | D03 Torre Attack (Tartakower Variation) |
| 21. A Lahiri vs E Vladimirov |
| 0-1 | 50 |
2004 |
Pune op | A46 Queen's Pawn Game |
| 22. Sr Sai vs A Lahiri |
| 0-1 | 33 |
2004 |
Piloo Mody Open | C05 French, Tarrasch |
| 23. A Lahiri vs B Kharchenko |
| 0-1 | 57 |
2005 |
Victory Cup | D12 Queen's Gambit Declined Slav |
| 24. A Lahiri vs Wang Hao |
| 0-1 | 46 |
2005 |
2nd Dato' Arthur Tan Malaysian Open | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 25. A Lahiri vs S Semiev |
| 1-0 | 25 |
2005 |
Victory Cup | A80 Dutch |