Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. J Demina vs A Demchenko |
| 0-1 | 32 | 2008 | Chigorin Memorial 16th | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
27. A Demchenko vs P Ponkratov |
| ½-½ | 51 | 2010 | 14th Master Open | C11 French |
28. P Bratus vs A Demchenko |
 | 0-1 | 27 | 2010 | Chigorin Memorial Classic Open | E94 King's Indian, Orthodox |
29. A Demchenko vs G Bazeev |
| 1-0 | 23 | 2010 | Chigorin Memorial Classic Open | B30 Sicilian |
30. B Grachev vs A Demchenko |
| 1-0 | 97 | 2010 | Chigorin Memorial Classic Open | A48 King's Indian |
31. A Demchenko vs A Verzhansky |
| 1-0 | 37 | 2010 | Chigorin Memorial Classic Open | C18 French, Winawer |
32. A Smirnov vs A Demchenko |
| 0-1 | 48 | 2010 | Chigorin Memorial Classic Open | E92 King's Indian |
33. A Demchenko vs A Aleksandrov |
| 1-0 | 33 | 2010 | Chigorin Memorial Classic Open | A07 King's Indian Attack |
34. S Zhigalko vs A Demchenko |
| ½-½ | 54 | 2010 | Chigorin Memorial Classic Open | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
35. A Demchenko vs I Khairullin |
| ½-½ | 15 | 2010 | Chigorin Memorial Classic Open | A07 King's Indian Attack |
36. M Matlakov vs A Demchenko |
| ½-½ | 49 | 2010 | Chigorin Memorial Classic Open | E70 King's Indian |
37. A Demchenko vs R Khusnutdinov |
| 0-1 | 70 | 2012 | Moscow Open A | B90 Sicilian, Najdorf |
38. D Shishigin vs A Demchenko |
| 0-1 | 46 | 2012 | Russian Championship Higher League | B06 Robatsch |
39. A Demchenko vs A Timofeev |
| ½-½ | 30 | 2012 | Russian Championship Higher League | C10 French |
40. Jakovenko vs A Demchenko |
 | 1-0 | 48 | 2012 | Russian Championship Higher League | E97 King's Indian |
41. A Demchenko vs R Ovetchkin |
| ½-½ | 37 | 2012 | Russian Championship Higher League | C45 Scotch Game |
42. V Artemiev vs A Demchenko |
| ½-½ | 34 | 2012 | Russian Championship Higher League | E67 King's Indian, Fianchetto |
43. A Demchenko vs V Sergeev |
| 1-0 | 39 | 2012 | Russian Championship Higher League | B63 Sicilian, Richter-Rauzer Attack |
44. Zvjaginsev vs A Demchenko |
| ½-½ | 58 | 2012 | Russian Championship Higher League | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
45. A Demchenko vs Khismatullin |
| 1-0 | 75 | 2012 | Russian Championship Higher League | C41 Philidor Defense |
46. A Demchenko vs Khismatullin |
| 1-0 | 13 | 2012 | 65th ch-RUS HL | C41 Philidor Defense |
47. A Demchenko vs Shimanov |
| 1-0 | 60 | 2012 | Russian Championship Higher League | B49 Sicilian, Taimanov Variation |
48. Dubov vs A Demchenko |
 | ½-½ | 34 | 2012 | Russian Championship Higher League | E94 King's Indian, Orthodox |
49. A Demchenko vs D Andreikin |
| ½-½ | 34 | 2012 | Russian Championship Higher League | A07 King's Indian Attack |
50. A Demchenko vs M Socko |
| 1-0 | 49 | 2012 | Chigorin Mem Rapid | C03 French, Tarrasch |