| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. T Kotanjian vs K Landa |
 | 1-0 | 33 |
1999 |
Anibal Open | A27 English, Three Knights System |
| 2. T Kotanjian vs M Turov |
| 0-1 | 39 |
2000 |
Chigorin mem op | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 3. T Kotanjian vs S Ivanov |
| 0-1 | 39 |
2000 |
Chigorin Memorial | D45 Queen's Gambit Declined Semi-Slav |
| 4. T Kotanjian vs D Yevseev |
| 0-1 | 33 |
2000 |
Chigorin Memorial | A21 English |
| 5. Mamedyarov vs T Kotanjian |
| 1-0 | 42 |
2001 |
open | D47 Queen's Gambit Declined Semi-Slav |
| 6. T A Petrosian vs T Kotanjian |
| 1-0 | 27 |
2001 |
open | A46 Queen's Pawn Game |
| 7. T Kotanjian vs L Gogochuri |
| 1-0 | 71 |
2001 |
open | E94 King's Indian, Orthodox |
| 8. T Kotanjian vs H Vardanian |
| ½-½ | 46 |
2001 |
open | A42 Modern Defense, Averbakh System |
| 9. Vl1 Melnikov vs T Kotanjian |
| 0-1 | 75 |
2001 |
open | A07 King's Indian Attack |
| 10. P Ismailova vs T Kotanjian |
| 0-1 | 51 |
2001 |
open | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 11. T Kotanjian vs M Sulashvili |
| 0-1 | 32 |
2001 |
open | D47 Queen's Gambit Declined Semi-Slav |
| 12. T Kotanjian vs T Gharamian |
| 0-1 | 39 |
2001 |
open | A04 Reti Opening |
| 13. M Kantaria vs T Kotanjian |
| 0-1 | 30 |
2001 |
open | D11 Queen's Gambit Declined Slav |
| 14. K Pourhasan vs T Kotanjian |
| 0-1 | 38 |
2001 |
open | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 15. T Kotanjian vs A Alavkin |
| 0-1 | 20 |
2002 |
4th Stage Russian Cup | D15 Queen's Gambit Declined Slav |
| 16. M Makarov vs T Kotanjian |
| ½-½ | 46 |
2002 |
4th Stage Russian Cup | D12 Queen's Gambit Declined Slav |
| 17. M Turov vs T Kotanjian |
| 0-1 | 46 |
2002 |
Suetin mem | B14 Caro-Kann, Panov-Botvinnik Attack |
| 18. A Nikitin vs T Kotanjian |
| 1-0 | 40 |
2002 |
4th Stage Russian Cup | D11 Queen's Gambit Declined Slav |
| 19. T Kotanjian vs E Umirgaliev |
| 1-0 | 35 |
2002 |
4th Stage Russian Cup | E97 King's Indian |
| 20. S Dyachkov vs T Kotanjian |
| 1-0 | 53 |
2002 |
4th Stage Russian Cup | D15 Queen's Gambit Declined Slav |
| 21. T Kotanjian vs T Gelashvili |
| 1-0 | 52 |
2003 |
Batumi BCSA op | E32 Nimzo-Indian, Classical |
| 22. T Kotanjian vs A Yegiazarian |
| 1-0 | 20 |
2003 |
Batumi BCSA op | D20 Queen's Gambit Accepted |
| 23. Jobava vs T Kotanjian |
| 1-0 | 50 |
2003 |
Batumi BCSA op | B32 Sicilian |
| 24. G Sargissian vs T Kotanjian |
| ½-½ | 40 |
2004 |
Petrosian mem op | D15 Queen's Gambit Declined Slav |
| 25. Ara Minasian vs T Kotanjian |
| 1-0 | 34 |
2005 |
Armenian Championship | B31 Sicilian, Rossolimo Variation |