| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. A Anastasian vs T Kotanjian |
| 1-0 | 51 |
2005 |
Armenian Championship | B31 Sicilian, Rossolimo Variation |
| 27. B Galstian vs T Kotanjian |
| 0-1 | 33 |
2005 |
Armenian Championship | B31 Sicilian, Rossolimo Variation |
| 28. T Kotanjian vs T Nalbandian |
| 1-0 | 36 |
2005 |
Armenian Championship | E94 King's Indian, Orthodox |
| 29. T Kotanjian vs G Sargissian |
 | 1-0 | 43 |
2005 |
Armenian Championship | E38 Nimzo-Indian, Classical, 4...c5 |
| 30. T Kotanjian vs L Babujian |
| 0-1 | 51 |
2005 |
Armenian Championship | D31 Queen's Gambit Declined |
| 31. Ara Minasian vs T Kotanjian |
| 1-0 | 34 |
2005 |
Armenian Championship | B31 Sicilian, Rossolimo Variation |
| 32. A Yegiazarian vs T Kotanjian |
| 1-0 | 88 |
2005 |
Armenian Championship | B56 Sicilian |
| 33. T L Petrosian vs T Kotanjian |
 | 1-0 | 28 |
2005 |
Armenian Championship | B50 Sicilian |
| 34. A Minasian vs T Kotanjian |
| ½-½ | 78 |
2005 |
Armenian Championship | B31 Sicilian, Rossolimo Variation |
| 35. T Kotanjian vs K Asrian |
| ½-½ | 90 |
2005 |
Armenian Championship | E32 Nimzo-Indian, Classical |
| 36. E Postny vs T Kotanjian |
| ½-½ | 31 |
2006 |
7th European Individual Championship | A33 English, Symmetrical |
| 37. T Kotanjian vs H Melkumyan |
| ½-½ | 104 |
2006 |
Blue Sevan Tournament | E34 Nimzo-Indian, Classical, Noa Variation |
| 38. T Kotanjian vs A Anastasian |
| ½-½ | 27 |
2006 |
66th Armenian Championship | D17 Queen's Gambit Declined Slav |
| 39. T Gelashvili vs T Kotanjian |
| 1-0 | 40 |
2006 |
Acropolis Tournament | B23 Sicilian, Closed |
| 40. T Kotanjian vs Van Den Doel |
| 1-0 | 27 |
2006 |
7th European Individual Championship | D20 Queen's Gambit Accepted |
| 41. T Kotanjian vs Dgebuadze |
| ½-½ | 42 |
2006 |
7th European Individual Championship | E32 Nimzo-Indian, Classical |
| 42. T Kotanjian vs Zhu Chen |
| ½-½ | 40 |
2006 |
Acropolis Tournament | E32 Nimzo-Indian, Classical |
| 43. A Minasian vs T Kotanjian |
| ½-½ | 44 |
2006 |
66th Armenian Championship | A04 Reti Opening |
| 44. T Kotanjian vs P Nikolic |
| 0-1 | 23 |
2006 |
7th European Individual Championship | A85 Dutch, with c4 & Nc3 |
| 45. A Pashikian vs T Kotanjian |
| 0-1 | 33 |
2006 |
Blue Sevan Tournament | D45 Queen's Gambit Declined Semi-Slav |
| 46. T Nalbandian vs T Kotanjian |
 | 1-0 | 26 |
2006 |
66th Armenian Championship | A04 Reti Opening |
| 47. T Kotanjian vs F Sigalas |
| 1-0 | 31 |
2006 |
Acropolis Tournament | E34 Nimzo-Indian, Classical, Noa Variation |
| 48. S Atalik vs T Kotanjian |
| 1-0 | 34 |
2006 |
7th European Individual Championship | D49 Queen's Gambit Declined Semi-Slav, Meran |
| 49. D Solak vs T Kotanjian |
| 0-1 | 37 |
2006 |
Acropolis Tournament | D10 Queen's Gambit Declined Slav |
| 50. T Kotanjian vs A Yegiazarian |
 | 1-0 | 35 |
2006 |
66th Armenian Championship | E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed |