| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. K Sek vs A Mokshanov |
 | 1-0 | 38 | 2011 | Russian Championship Higher League | C05 French, Tarrasch |
| 27. K Bryzgalin vs K Sek |
| ½-½ | 42 | 2011 | Russian Championship Higher League | C26 Vienna |
| 28. K Sek vs V Zakhartsov |
| 1-0 | 28 | 2011 | Russian Championship Higher League | B90 Sicilian, Najdorf |
| 29. A Lastin vs K Sek |
| ½-½ | 54 | 2011 | Russian Championship Higher League | C73 Ruy Lopez, Modern Steinitz Defense |
| 30. K Sek vs I Khairullin |
| 0-1 | 43 | 2011 | Russian Championship Higher League | B48 Sicilian, Taimanov Variation |
| 31. T Kosintseva vs K Sek |
| 1-0 | 28 | 2011 | Russian Championship Higher League | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 32. K Sek vs V Yemelin |
| ½-½ | 43 | 2011 | Russian Championship Higher League | C07 French, Tarrasch |
| 33. A Goganov vs K Sek |
| 1-0 | 48 | 2011 | Russian Championship Higher League | E04 Catalan, Open, 5.Nf3 |
| 34. K Sek vs A Stukopin |
| 1-0 | 37 | 2011 | Russian Championship Higher League | B42 Sicilian, Kan |
| 35. Motylev vs K Sek |
| 1-0 | 92 | 2013 | Russian Championship Higher League | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 36. K Sek vs D Shishigin |
| 1-0 | 26 | 2013 | Russian Championship Higher League | B42 Sicilian, Kan |
| 37. M Panarin vs K Sek |
| 0-1 | 51 | 2013 | Russian Championship Higher League | B04 Alekhine's Defense, Modern |
| 38. K Sek vs Nepomniachtchi |
| 0-1 | 46 | 2013 | Russian Championship Higher League | B90 Sicilian, Najdorf |
| 39. I Popov vs K Sek |
| 1-0 | 29 | 2013 | Russian Championship Higher League | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 40. K Sek vs S Vokarev |
| 0-1 | 49 | 2013 | Russian Championship Higher League | B32 Sicilian |
| 41. N Korniushin vs K Sek |
| ½-½ | 52 | 2013 | Russian Championship Higher League | A64 Benoni, Fianchetto, 11...Re8 |
| 42. G Oparin vs K Sek |
| 1-0 | 40 | 2013 | Russian Championship Higher League | C74 Ruy Lopez, Modern Steinitz Defense |
| 43. K Sek vs D Khegay |
| 0-1 | 47 | 2013 | Russian Championship Higher League | B07 Pirc |
| 44. K Sek vs A Pridorozhni |
| 0-1 | 59 | 2015 | Primorsky Debut | B45 Sicilian, Taimanov |
| 45. K Sek vs Dreev |
| 0-1 | 28 | 2017 | Russian Championship Higher League | B94 Sicilian, Najdorf |
| 46. A Samojlov vs K Sek |
| 1-0 | 77 | 2017 | Russian Championship Higher League | A45 Queen's Pawn Game |
| 47. K Sek vs R Faizrakhmanov |
| 1-0 | 38 | 2017 | Russian Championship Higher League | C28 Vienna Game |
| 48. M Oganian vs K Sek |
| ½-½ | 51 | 2017 | Russian Championship Higher League | A33 English, Symmetrical |
| 49. K Sek vs M Vavulin |
| 1-0 | 45 | 2017 | Russian Championship Higher League | B06 Robatsch |
| 50. N Pogonina vs K Sek |
| 1-0 | 27 | 2017 | Russian Championship Higher League | D25 Queen's Gambit Accepted |
Kibitzing
