| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. P Barrionuevo vs M De Anna |
| 1-0 | 27 | 2008 | Liga Nacional Ajedrez | A83 Dutch, Staunton Gambit |
| 52. P Barrionuevo vs L Bronstein |
| 0-1 | 68 | 2009 | Open Univ La Punta CAA | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 53. P Barrionuevo vs S Mareco |
| ½-½ | 41 | 2010 | XIV Republica | E12 Queen's Indian |
| 54. R Molina vs P Barrionuevo |
| ½-½ | 76 | 2012 | 1st Panno Masters | E61 King's Indian |
| 55. P Barrionuevo vs Y Santiago |
| 0-1 | 39 | 2012 | 1st Panno Masters | E04 Catalan, Open, 5.Nf3 |
| 56. L Krysa vs P Barrionuevo |
| 1-0 | 42 | 2012 | 1st Panno Masters | D34 Queen's Gambit Declined, Tarrasch |
| 57. P Barrionuevo vs A Rodriguez Vila |
| 1-0 | 68 | 2012 | 1st Panno Masters | A43 Old Benoni |
| 58. E Real de Azua vs P Barrionuevo |
| 1-0 | 42 | 2012 | 1st Panno Masters | D34 Queen's Gambit Declined, Tarrasch |
| 59. P Barrionuevo vs P Salinas Herrera |
| 0-1 | 53 | 2012 | 1st Panno Masters | E76 King's Indian, Four Pawns Attack |
| 60. D Flores vs P Barrionuevo |
| 1-0 | 37 | 2012 | 1st Panno Masters | D34 Queen's Gambit Declined, Tarrasch |
| 61. S Mareco vs P Barrionuevo |
| 1-0 | 41 | 2012 | 1st Panno Masters | D34 Queen's Gambit Declined, Tarrasch |
| 62. P Barrionuevo vs J Koch |
| 1-0 | 52 | 2012 | 1st Panno Masters | D34 Queen's Gambit Declined, Tarrasch |
| 63. P Barrionuevo vs A Ennis Marcos |
 | ½-½ | 20 | 2012 | 86th ch-ARG | D82 Grunfeld, 4.Bf4 |
| 64. S Negri vs P Barrionuevo |
| ½-½ | 25 | 2012 | 86th ch-ARG | A49 King's Indian, Fianchetto without c4 |
| 65. P Barrionuevo vs D J Vaquero |
| 0-1 | 75 | 2012 | 86th ch-ARG | D37 Queen's Gambit Declined |
| 66. M Colautti vs P Barrionuevo |
| 1-0 | 70 | 2012 | 86th ch-ARG | E00 Queen's Pawn Game |
| 67. P Barrionuevo vs R A Muniz |
| 1-0 | 23 | 2012 | 86th ch-ARG | E20 Nimzo-Indian |
| 68. C Martyniuk vs P Barrionuevo |
| 0-1 | 27 | 2012 | 86th ch-ARG | A13 English |
| 69. P Barrionuevo vs G Martinez de Negri |
| 0-1 | 42 | 2012 | 86th ch-ARG | B22 Sicilian, Alapin |
| 70. I Lopez Miller vs P Barrionuevo |
| 1-0 | 33 | 2012 | 86th ch-ARG | B32 Sicilian |
| 71. P Barrionuevo vs P I Tachella |
| 1-0 | 28 | 2012 | 86th ch-ARG | C78 Ruy Lopez |
| 72. P Barrionuevo vs F Perez Ponsa |
| 0-1 | 48 | 2017 | XXIV ProAm Copa Clarin Op | D05 Queen's Pawn Game |
| 73. D Valerga vs P Barrionuevo |
| 1-0 | 40 | 2017 | XXIV ProAm Copa Clarin Op | A07 King's Indian Attack |
| 74. R Artana vs P Barrionuevo |
| 1-0 | 28 | 2018 | Norberto La Porta Cup Open | D34 Queen's Gambit Declined, Tarrasch |
| 75. M Sica vs P Barrionuevo |
| 1-0 | 44 | 2018 | Norberto La Porta Cup Open | D34 Queen's Gambit Declined, Tarrasch |
Kibitzing
