| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. K Rathnakaran vs A Rychagov |
| 0-1 | 28 | 2009 | 1st SCS GM Open | A07 King's Indian Attack |
| 52. V Koshy vs K Rathnakaran |
| ½-½ | 31 | 2009 | Indian Premier National A Championship | A16 English |
| 53. K Rathnakaran vs P Maheswaran |
| 1-0 | 50 | 2009 | Indian Premier National A Championship | A07 King's Indian Attack |
| 54. B Adhiban vs K Rathnakaran |
| ½-½ | 41 | 2009 | Indian Premier National A Championship | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 55. K Rathnakaran vs V S Gujrathi |
| 0-1 | 47 | 2009 | Indian Premier National A Championship | B24 Sicilian, Closed |
| 56. K Priyadharshan vs K Rathnakaran |
| ½-½ | 67 | 2009 | Indian Premier National A Championship | C05 French, Tarrasch |
| 57. K Rathnakaran vs R Sangma |
| ½-½ | 36 | 2009 | Indian Premier National A Championship | C50 Giuoco Piano |
| 58. S R Chowdhury vs K Rathnakaran |
| ½-½ | 32 | 2009 | Indian Premier National A Championship | A48 King's Indian |
| 59. K Rathnakaran vs B T Murali Krishnan |
| ½-½ | 31 | 2009 | Indian Premier National A Championship | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 60. A Kunte vs K Rathnakaran |
| 1-0 | 52 | 2009 | Indian Premier National A Championship | A56 Benoni Defense |
| 61. S Palit vs K Rathnakaran |
| 0-1 | 48 | 2009 | Indian Premier National A Championship | C00 French Defense |
| 62. K Rathnakaran vs S Narayanan |
| 0-1 | 61 | 2009 | Indian Premier National A Championship | C50 Giuoco Piano |
| 63. K Rathnakaran vs M Anurag |
| 1-0 | 75 | 2009 | Indian Premier National A Championship | C50 Giuoco Piano |
| 64. S D Swapnil vs K Rathnakaran |
| 1-0 | 49 | 2009 | Indian Premier National A Championship | A65 Benoni, 6.e4 |
| 65. Irshad Md vs K Rathnakaran |
| 0-1 | 25 | 2010 | Commonwealth Championship | A31 English, Symmetrical, Benoni Formation |
| 66. K Rathnakaran vs S Harshal |
| 1-0 | 30 | 2010 | Commonwealth Championship | B31 Sicilian, Rossolimo Variation |
| 67. K Rathnakaran vs S Das |
| 1-0 | 47 | 2010 | Commonwealth Championship | C55 Two Knights Defense |
| 68. K Rathnakaran vs V Antonio |
| ½-½ | 44 | 2010 | Commonwealth Championship | B50 Sicilian |
| 69. M Kravtsiv vs K Rathnakaran |
| 1-0 | 37 | 2010 | Commonwealth Championship | C05 French, Tarrasch |
| 70. S Vikramjit Singh vs K Rathnakaran |
| 0-1 | 55 | 2010 | Commonwealth Championship | E91 King's Indian |
| 71. K Rathnakaran vs B Adhiban |
| 1-0 | 68 | 2010 | Commonwealth Championship | B18 Caro-Kann, Classical |
| 72. D Bocharov vs K Rathnakaran |
| 1-0 | 45 | 2010 | Commonwealth Championship | A60 Benoni Defense |
| 73. K Rathnakaran vs M Hasan |
| 0-1 | 79 | 2010 | Commonwealth Championship | A07 King's Indian Attack |
| 74. K Rathnakaran vs S Phadke |
| ½-½ | 30 | 2010 | Commonwealth Championship | B33 Sicilian |
| 75. Gleizerov vs K Rathnakaran |
| 1-0 | 37 | 2011 | Vizag GM Open | A62 Benoni, Fianchetto Variation |
Kibitzing
