| Dec 2, 2023 | Omar Almeida Quintana | ½–½ | Ermes Espinosa Veloz | Round 9: Omar Almeida Quintana - Ermes Espinosa Veloz | King's Indian Defense: Exchange Variation | |
| Dec 1, 2023 | Sergio Duran Vega | 0–1 | Omar Almeida Quintana | Round 8: Sergio Duran Vega - Omar Almeida Quintana | Queen's Pawn Game | |
| Nov 30, 2023 | Omar Almeida Quintana | ½–½ | Diego Saul Rodri Flores Quillas | Round 7: Omar Almeida Quintana - Diego Saul Rodri Flores Quillas | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Nov 29, 2023 | Roberto Carlos Sanchez Alvarez | ½–½ | Omar Almeida Quintana | Round 6: Roberto Carlos Sanchez Alvarez - Omar Almeida Quintana | Queen's Pawn Game | |
| Nov 29, 2023 | Bruno Andre Leite Martins | 0–1 | Omar Almeida Quintana | Round 5: Bruno Andre Leite Martins - Omar Almeida Quintana | Pirc Defense | |
| Nov 28, 2023 | Omar Almeida Quintana | 0–1 | Cristobal Henriquez Villagra | Round 4: Omar Almeida Quintana - Cristobal Henriquez Villagra | London System | |
| Nov 26, 2023 | Omar Almeida Quintana | 1–0 | Miguel Angel Soto | Round 3: Omar Almeida Quintana - Miguel Angel Soto | London System | |
| Nov 26, 2023 | Marcelo Villalba | * | Omar Almeida Quintana | Round 2: Marcelo Villalba - Omar Almeida Quintana | Alekhine Defense: Modern Variation, Alburt Variation | |
| Nov 25, 2023 | Omar Almeida Quintana | 1–0 | Andre Mendez Machado | Round 1: Omar Almeida Quintana - Andre Mendez Machado | Indian Defense | |
| Oct 15, 2023 | Dylan Isidro Berdayes Ason | 1–0 | Omar Almeida Quintana | Round 9: Dylan Isidro Berdayes Ason - Omar Almeida Quintana | Scandinavian Defense: Marshall Variation | |
| Oct 15, 2023 | Jorge Roberto Elias Reyes | ½–½ | Omar Almeida Quintana | Round 8: Jorge Roberto Elias Reyes - Omar Almeida Quintana | Modern Defense: Standard Defense | |
| Oct 14, 2023 | Omar Almeida Quintana | ½–½ | Jorge Cori | Round 7: Omar Almeida Quintana - Jorge Cori | Semi-Slav Defense: Stoltz Variation | |
| Oct 14, 2023 | Omar Almeida Quintana | 1–0 | Carlomagno Oblitas | Round 6: Omar Almeida Quintana - Carlomagno Oblitas | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Oct 13, 2023 | Lisandro Fernandez Reyes | 0–1 | Omar Almeida Quintana | Round 5: Lisandro Fernandez Reyes - Omar Almeida Quintana | Rat Defense: English Rat | |
| Oct 13, 2023 | Omar Almeida Quintana | ½–½ | Reyson Ricardo Rodriguez Basulto | Round 4: Omar Almeida Quintana - Reyson Ricardo Rodriguez Basulto | Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack | |
| Oct 13, 2023 | Omar Almeida Quintana | * | Reyson Ricardo Rodriguez Basulto | Round 4: Omar Almeida Quintana - Reyson Ricardo Rodriguez Basulto | Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack | |
| Oct 13, 2023 | Yoana Gonzalez Ochoa | 0–1 | Omar Almeida Quintana | Round 1: Yoana Gonzalez Ochoa - Omar Almeida Quintana | Modern Defense: Pseudo-Austrian Attack | |
| Oct 13, 2023 | Omar Almeida Quintana | ½–½ | Carlos Sandoval Mercado | Round 2: Omar Almeida Quintana - Carlos Sandoval Mercado | Queen's Gambit Declined: Ragozin Defense | |
| Oct 13, 2023 | Julio Cesar Diaz Rosas | ½–½ | Omar Almeida Quintana | Round 3: Julio Cesar Diaz Rosas - Omar Almeida Quintana | Pirc Defense | |
| Sep 2, 2023 | Marco Materia | 0–1 | Omar Almeida Quintana | Round 9 (Top boards): Marco Materia - Omar Almeida Quintana | Queen's Pawn Game | |
| Sep 1, 2023 | Omar Almeida Quintana | 1–0 | Nodar Lortkipanidze | Round 8 (Top boards): Omar Almeida Quintana - Nodar Lortkipanidze | English Defense | |
| Aug 31, 2023 | Michael Kotyk | 0–1 | Omar Almeida Quintana | Round 7 (Lower boards): Michael Kotyk - Omar Almeida Quintana | Rat Defense: English Rat | |
| Aug 30, 2023 | Omar Almeida Quintana | ½–½ | Erez Kupervaser | Round 6 (Top boards): Omar Almeida Quintana - Erez Kupervaser | Semi-Slav Defense | |
| Aug 29, 2023 | Pedro Filipe Pinho Rego | ½–½ | Omar Almeida Quintana | Maia Open | Pirc Defense | |
| Aug 28, 2023 | Omar Almeida Quintana | ½–½ | Daniel Hugo Campora Sivori | Maia Open | Queen's Gambit Declined: Orthodox Defense, Main Line | |
| Aug 27, 2023 | Nikola Kanov | ½–½ | Omar Almeida Quintana | Maia Chess Open 2023 (25/08 - 02/09) | Alekhine Defense: Exchange Variation, Voronezh Variation | |
| Aug 26, 2023 | Omar Almeida Quintana | 1–0 | António Pedro Freixial Vasques | Maia Chess Open 2023 (25/08 - 02/09) | Réti Opening: Anglo-Slav Variation, Bled Variation | |
| Aug 25, 2023 | Brais Otero Nogueira | 0–1 | Omar Almeida Quintana | Maia Chess Open 2023 (25/08 - 02/09) | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jul 10, 2023 | Omar Almeida Quintana | ½–½ | Qian Huang | Round 7: Omar Almeida Quintana - Qian Huang | Slav Defense: Czech Variation, Bled Attack | |
| Jul 8, 2023 | Abhimanyu Puranik | ½–½ | Omar Almeida Quintana | Round 6: Abhimanyu Puranik - Omar Almeida Quintana | Philidor Defense: Lion Variation | |
| Jun 25, 2023 | Omar Almeida Quintana | 0–1 | Bator Sambuev | Round 4: Omar Almeida Quintana - Bator Sambuev | Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation | |
| Jun 24, 2023 | Gabor Nagy | ½–½ | Omar Almeida Quintana | Round 3: Gabor Nagy - Omar Almeida Quintana | King's Indian Attack: Symmetrical Defense | |
| Jun 24, 2023 | Omar Almeida Quintana | * | Geordie Derraugh | Round 2: Omar Almeida Quintana - Geordie Derraugh | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jun 24, 2023 | Omar Almeida Quintana | 1–0 | Sam Luger | Round 1: Omar Almeida Quintana - Sam Luger | Queen's Pawn Game | |
| Jun 23, 2023 | Koosha Jaferian | 0–1 | Omar Almeida Quintana | Round 9: Koosha Jaferian - Omar Almeida Quintana | Czech Defense | |
| Jun 22, 2023 | Omar Almeida Quintana | ½–½ | Bator Sambuev | Round 8: Omar Almeida Quintana - Bator Sambuev | Queen's Gambit Declined: Exchange Variation | |
| Jun 22, 2023 | Nicholas Vettese | 0–1 | Omar Almeida Quintana | Round 7: Nicholas Vettese - Omar Almeida Quintana | Pirc Defense | |
| Jun 21, 2023 | Omar Almeida Quintana | ½–½ | Shawn Rodrigue-Lemieux | Round 6: Omar Almeida Quintana - Shawn Rodrigue-Lemieux | Queen's Pawn Game: Torre Attack | |
| Jun 21, 2023 | Omar Almeida Quintana | ½–½ | Tianqi Wang | Round 5: Omar Almeida Quintana - Tianqi Wang | Queen's Indian Defense: Capablanca Variation | |
| Jun 20, 2023 | Gabor Nagy | ½–½ | Omar Almeida Quintana | Round 4: Gabor Nagy - Omar Almeida Quintana | Queen's Pawn Game | |
| Jun 20, 2023 | Omar Almeida Quintana | ½–½ | Nikolay Noritsyn | Round 3: Omar Almeida Quintana - Nikolay Noritsyn | Kangaroo Defense | |
| Jun 19, 2023 | Aaron Reeve Mendes | ½–½ | Omar Almeida Quintana | Round 2: Aaron Reeve Mendes - Omar Almeida Quintana | Pirc Defense: Byrne Variation | |
| Jun 19, 2023 | Omar Almeida Quintana | ½–½ | Eduardas Rozentalis | Round 1: Omar Almeida Quintana - Eduardas Rozentalis | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jun 17, 2023 | Omar Almeida Quintana | 1–0 | Alexander Reprintsev | Round 9: GM Omar Almeida Quintana (2520) - IM Alexander Reprintsev (2238) | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Jun 16, 2023 | Sergey Noritsyn | 0–1 | Omar Almeida Quintana | Round 8: Sergey Noritsyn - Omar Almeida Quintana | Modern Defense | |
| Jun 16, 2023 | Omar Almeida Quintana | ½–½ | Nikolay Noritsyn | Round 7: Omar Almeida Quintana - Nikolay Noritsyn | Queen's Gambit Declined: Janowski Variation | |
| Jun 15, 2023 | Jaipreet Singh Dhaliwal | 0–1 | Omar Almeida Quintana | Round 6: Jaipreet Singh Dhaliwal - Omar Almeida Quintana | Modern Defense: Pseudo-Austrian Attack | |
| Jun 15, 2023 | Omar Almeida Quintana | ½–½ | Tymur Keleberda | Round 5: Omar Almeida Quintana - Tymur Keleberda | King's Indian Attack | |
| Jun 14, 2023 | Aaron Mendes | 0–1 | Omar Almeida Quintana | Round 4: Aaron Mendes - Omar Almeida Quintana | Modern Defense | |
| Jun 14, 2023 | Omar Almeida Quintana | 1–0 | Omya Vidyarthi | Round 3: Omar Almeida Quintana (2520) - Omya Vidyarthi (2081) | Réti Opening: Anglo-Slav Variation, Bogoljubow Variation | |
| Jun 13, 2023 | Clyde Jordan | 0–1 | Omar Almeida Quintana | Round 2: Clyde Jordan - Omar Almeida Quintana | Modern Defense: Standard Defense | |
| Jun 13, 2023 | Nagy Gabor | ½–½ | Omar Almeida Quintana | Round 1: Nagy Gabor - Omar Almeida Quintana | Queen's Pawn Game | |
| Jun 10, 2023 | Omar Almeida Quintana | 0–1 | Viktor Matviishen | Round 6: Omar Almeida Quintana - Viktor Matviishen | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack | |
| Jun 9, 2023 | Omar Almeida Quintana | ½–½ | Andy Woodward | Round 5: Omar Almeida Quintana - Andy Woodward | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jun 9, 2023 | Thomas Roussel-Roozmon | ½–½ | Omar Almeida Quintana | Round 4: Thomas Roussel-Roozmon - Omar Almeida Quintana | Queen's Pawn Game | |
| May 12, 2023 | Omar Almeida Quintana | ½–½ | Luis Ernesto Quesada Perez | Round 9: Omar Almeida Quintana - Luis Ernesto Quesada Perez | Indian Defense: London System | |
| May 11, 2023 | Alexander Fier | ½–½ | Omar Almeida Quintana | Round 8: Alexander Fier - Omar Almeida Quintana | Modern Defense: Standard Defense | |
| May 10, 2023 | Omar Almeida Quintana | ½–½ | Elier Miranda Mesa | Round 7: Omar Almeida Quintana - Elier Miranda Mesa | Slav Defense: Exchange Variation, Symmetrical Line | |
| May 8, 2023 | Carlos Daniel Albornos Cabrera | 1–0 | Omar Almeida Quintana | Round 6: Carlos Daniel Albornoz Cabrera - Omar Almeida Quintana | Scandinavian Defense: Gubinsky-Melts Defense | |
| May 7, 2023 | Raunak Sadhwani | 1–0 | Omar Almeida Quintana | Round 5: Raunak Sadhwani - Omar Almeida Quintana | Modern Defense: Standard Defense | |
| May 6, 2023 | Omar Almeida Quintana | ½–½ | Rasmus Svane | Round 4: Omar Almeida Quintana - Rasmus Svane | Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line | |
| May 5, 2023 | Lelys Stanley Martinez Duany | 0–1 | Omar Almeida Quintana | Round 3: Lelys Stanley Martinez Duany - Omar Almeida Quintana | Pirc Defense | |
| May 4, 2023 | Omar Almeida Quintana | 0–1 | Jonas Buhl Bjerre | Round 2: Omar Almeida Quintana - Jonas Buhl Bjerre | Trompowsky Attack | |
| May 3, 2023 | Eduardo Iturrizaga Bonelli | 1–0 | Omar Almeida Quintana | Round 1: Eduardo Iturrizaga Bonelli - Omar Almeida Quintana | Nimzo-Larsen Attack: Modern Variation | |
| Apr 10, 2023 | Bruno Andre Leite Martins | 0–1 | Omar Almeida Quintana | Ronda 9: Bruno Andre Leite Martins - Omar Almeida Quintana | Pirc Defense: Sveshnikov System | |
| Apr 9, 2023 | Omar Almeida Quintana | ½–½ | Angel Espinosa Aranda | Ronda 8: Omar Almeida Quintana - Angel Espinosa Aranda | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Apr 9, 2023 | S Ajay Krishna | 0–1 | Omar Almeida Quintana | Ronda 7: S Ajay Krishna - Omar Almeida Quintana | Queen's Pawn Game: Modern Defense | |
| Apr 8, 2023 | Omar Almeida Quintana | 0–1 | Adrian Suarez Uriel | Ronda 6: Omar Almeida Quintana - Adrian Suarez Uriel | Torre Attack: Fianchetto Defense | |
| Apr 7, 2023 | Jesus Martin Duque | 0–1 | Omar Almeida Quintana | Ronda 5: Jesus Martin Duque - Omar Almeida Quintana | Nimzo-Larsen Attack: Indian Variation | |
| Apr 7, 2023 | Omar Almeida Quintana | ½–½ | Enrique Tejedor Fuente | Ronda 4: Omar Almeida Quintana - Enrique Tejedor Fuente | Queen's Pawn Game: Symmetrical Variation | |
| Apr 6, 2023 | Michal Fiedorek | 0–1 | Omar Almeida Quintana | Ronda 3: Michal Fiedorek - Omar Almeida Quintana | Pirc Defense | |
| Apr 6, 2023 | Omar Almeida Quintana | 1–0 | Christian Laverton | Ronda 2: Omar Almeida Quintana - Christian Laverton | Slav Defense: Chebanenko Variation | |
| Apr 5, 2023 | Mirko Lizzul Coppe | 0–1 | Omar Almeida Quintana | Ronda 1: Mirko Lizzul Coppe - Omar Almeida Quintana | Modern Defense: Standard Defense | |
| Feb 19, 2022 | Sandro Mareco | 1–0 | Omar Almeida Quintana | Round 9: Sandro Mareco - Omar Almeida Quintana | Philidor Defense: Lion Variation | |
| Feb 19, 2022 | Sion Radamantys Galaviz Medina | 0–1 | Omar Almeida Quintana | Round 7: Sion Radamantys Galaviz Medina - Omar Almeida Quintana | Rat Defense: English Rat | |
| Feb 19, 2022 | Omar Almeida Quintana | ½–½ | Lance Henderson De La Fuente | Round 8: Omar Almeida Quintana - Lance Henderson De La Fuente | Semi-Slav Defense: Stoltz Variation, Shabalov Attack | |
| Feb 17, 2022 | Omar Almeida Quintana | 1–0 | Guillermo Dominguez Aguilar | Round 6: Omar Almeida Quintana - Guillermo Dominguez Aguilar | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Feb 17, 2022 | Luis Manuel Perez Rodriguez | ½–½ | Omar Almeida Quintana | Round 5: Luis Manuel Perez Rodriguez - Omar Almeida Quintana | Modern Defense: Pseudo-Austrian Attack | |
| Feb 17, 2022 | Omar Almeida Quintana | ½–½ | Rafael Alejandro Medina Diaz | Round 4: Omar Almeida Quintana - Rafael Alejandro Medina Diaz | Slav Defense: Czech Variation, Dutch Variation | |
| Feb 17, 2022 | Rodney Oscar Perez Garcia | ½–½ | Omar Almeida Quintana | Round 3: Rodney Oscar Perez Garcia - Omar Almeida Quintana | Modern Defense: Two Knights Variation | |
| Feb 17, 2022 | Omar Almeida Quintana | 1–0 | Tania Miranda Rodriguez | Round 2: Omar Almeida Quintana - Tania Miranda Rodriguez | Queen's Pawn Game: Symmetrical Variation | |
| Feb 17, 2022 | Paulo Santanna | 0–1 | Omar Almeida Quintana | Round 1: Paulo Santanna - Omar Almeida Quintana | Czech Defense | |