| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. Shankland vs D Arenas |
| 1-0 | 60 | 2012 | 14th Sants Open-A | E91 King's Indian |
| 77. L Ootes vs D Arenas |
| ½-½ | 104 | 2012 | 14th Sants Open-A | B75 Sicilian, Dragon, Yugoslav Attack |
| 78. A Escobar Forero vs D Arenas |
| 0-1 | 71 | 2012 | 14th Sants Open-A | A45 Queen's Pawn Game |
| 79. D Arenas vs M Munoz Pantoja |
| ½-½ | 46 | 2013 | 39th Sitges Open | B32 Sicilian |
| 80. D Arenas vs H S Gretarsson |
| ½-½ | 37 | 2015 | 50th Capablanca Mem Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 81. D E Pulvett Marin vs D Arenas |
| ½-½ | 28 | 2015 | 41st Badalona Open | E70 King's Indian |
| 82. S Mareco vs D Arenas |
| 1-0 | 43 | 2016 | 11th American Continental | E62 King's Indian, Fianchetto |
| 83. D Arenas vs J Hasford |
 | 1-0 | 34 | 2016 | Baku Olympiad | C53 Giuoco Piano |
| 84. Le Quang Liem vs D Arenas |
| ½-½ | 50 | 2016 | Baku Olympiad | E81 King's Indian, Samisch |
| 85. D Arenas vs C Pace |
| 1-0 | 36 | 2016 | Baku Olympiad | B32 Sicilian |
| 86. T Nedev vs D Arenas |
| ½-½ | 49 | 2016 | Baku Olympiad | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 87. D Arenas vs Topalov |
| 0-1 | 25 | 2016 | Baku Olympiad | B40 Sicilian |
| 88. D Arenas vs U Kongsee |
| 1-0 | 39 | 2016 | Baku Olympiad | B96 Sicilian, Najdorf |
| 89. I Ivanisevic vs D Arenas |
| 1-0 | 35 | 2016 | Baku Olympiad | E67 King's Indian, Fianchetto |
| 90. D Arenas vs A Rodriguez Vila |
| 1-0 | 53 | 2016 | Baku Olympiad | B09 Pirc, Austrian Attack |
| 91. D Arenas vs M Atabayev |
| 0-1 | 38 | 2016 | Baku Olympiad | B36 Sicilian, Accelerated Fianchetto |
| 92. G Munkhgal vs D Arenas |
| 0-1 | 67 | 2016 | Baku Olympiad | E62 King's Indian, Fianchetto |
| 93. K Movsziszian vs D Arenas |
| ½-½ | 24 | 2017 | TCh-CAT Gp1 | A00 Uncommon Opening |
| 94. D Arenas vs D Flores |
| 0-1 | 44 | 2017 | 12th American Continental | B07 Pirc |
| 95. D Arenas vs C Albornoz Cabrera |
| 0-1 | 36 | 2019 | Copa Bolivar | B50 Sicilian |
| 96. D Arenas vs L Bergez |
| 1-0 | 86 | 2019 | 21st Sants Open | B01 Scandinavian |
| 97. D Arenas vs S Avila Pavas |
| ½-½ | 42 | 2019 | COL Olympiad Selection | B04 Alekhine's Defense, Modern |
| 98. D Arenas vs S Avila Pavas |
| 1-0 | 46 | 2020 | ch-COL | B06 Robatsch |
| 99. D Arenas vs A Fier |
| 0-1 | 83 | 2021 | Online Olympiad Top DivD | B83 Sicilian |
| 100. D Arenas vs J van Foreest |
| 1-0 | 50 | 2021 | Online Olympiad Top DivD | B50 Sicilian |
Kibitzing
