| Jun 28, 2026 | Arrieta Hernandez | 0–1 | Plotkin | Round 23: Arrieta Hernandez, Cristian - Plotkin, Mark | Zukertort Opening | |
| Jun 28, 2026 | Salinas Herrera | 0–1 | Plotkin | Round 21: Salinas Herrera, Pablo - Plotkin, Mark | Queen's Pawn Game: Modern Defense | |
| Jun 28, 2026 | Cori | * | Plotkin | Round 19: Cori, Jorge - Plotkin, Mark | English Opening: Great Snake Variation | |
| Jun 28, 2026 | Plotkin | ½–½ | Ticona Rocabado | Round 17: Plotkin, Mark - Ticona Rocabado, Licael Roderick | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 28, 2026 | Pinero Rodriguez | 0–1 | Plotkin | Round 15: Pinero Rodriguez, Carlos Jose - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 28, 2026 | Plotkin | * | Calcina | Round 13: Plotkin, Mark - Calcina, Gary | Scandinavian Defense: Modern Variation | |
| Jun 28, 2026 | Plotkin | * | Llanto Llacsa | Round 11: Plotkin, Mark - Llanto Llacsa, Yaden Wilden | Scandinavian Defense: Modern Variation | |
| Jun 28, 2026 | Plotkin | 0–1 | Vasquez Schroeder | Round 9: Plotkin, Mark - Vasquez Schroeder, Rodrigo | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jun 28, 2026 | Plotkin | 1–0 | Pumachaico Valdiviezo | Round 5: Plotkin, Mark - Pumachaico Valdiviezo, Piero Alonso | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 28, 2026 | Campossano Camo | 1–0 | Plotkin | Round 7: Campossano Camo, Rodrigo - Plotkin, Mark | Old Indian Defense: Normal Variation | |
| Jun 28, 2026 | Plotkin | 1–0 | Sanchez Sanchez | Round 3: Plotkin, Mark - Sanchez Sanchez, Leonardo Daniel | Bird Opening: Dutch Variation | |
| Jun 28, 2026 | Oropeza Ortega | * | Plotkin | Round 2: Oropeza Ortega, Jacob Tiziano - Plotkin, Mark | ? | |
| Jun 28, 2026 | Oropeza Ortega | 0–1 | Plotkin | Round 1: Oropeza Ortega, Jacob Tiziano - Plotkin, Mark | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 27, 2026 | Oro | 1–0 | Plotkin | Round 9: Oro, Faustino - Plotkin, Mark | Modern Defense | |
| Jun 27, 2026 | Flores Quillas | 0–1 | Plotkin | Round 8: Flores Quillas, Diego Saul Rodri - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 27, 2026 | Plotkin | 1–0 | Cori T. | Round 7: Plotkin, Mark - Cori T., Deysi | Catalan Opening | |
| Jun 27, 2026 | Alvis | 0–1 | Plotkin | Round 6: Alvis, James - Plotkin, Mark | Zukertort Opening: Kingside Fianchetto | |
| Jun 27, 2026 | Reyes Zavaleta | 0–1 | Plotkin | Round 4: Reyes Zavaleta, Cristhian Yamil - Plotkin, Mark | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Jun 27, 2026 | Plotkin | 1–0 | Robles Cerron | Round 3: Plotkin, Mark - Robles Cerron, Sebastian | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 27, 2026 | Garcia Toledo | 0–1 | Plotkin | Round 2: Garcia Toledo, Pedro - Plotkin, Mark | Modern Defense: Pseudo-Austrian Attack | |
| Jun 27, 2026 | Plotkin | 1–0 | Gomez Jalixto | Round 1: Plotkin, Mark - Gomez Jalixto, Matthew Yahir | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 27, 2026 | Plotkin | 0–1 | Martinez Alcantara | Round 5: Plotkin, Mark - Martinez Alcantara, Jose Eduardo | Ruy Lopez: Closed, Keres Defense | |
| Jun 27, 2026 | Plotkin | * | Perez | Round 2: Plotkin, Mark - Perez, Kenet Alejandro | ? | |
| Jun 27, 2026 | Perez | * | Plotkin | Round 1: Perez, Kenet Alejandro - Plotkin, Mark | ? | |
| Jun 26, 2026 | Plotkin | 1–0 | Villamon Aguilar | Round 9: Plotkin, Mark - Villamon Aguilar, Yuri Jair | French Defense: Rubinstein Variation | |
| Jun 26, 2026 | Caja Cruz | * | Plotkin | Round 7: Caja Cruz, Gabriel - Plotkin, Mark | Nimzo-Larsen Attack: Indian Variation | |
| Jun 26, 2026 | Plotkin | 0–1 | Henriquez Villagra | Round 6: Plotkin, Mark - Henriquez Villagra, Cristobal | Catalan Opening | |
| Jun 26, 2026 | Contreras | 0–1 | Plotkin | Round 5: Contreras, Jose - Plotkin, Mark | Queen's Pawn Game | |
| Jun 26, 2026 | Plotkin | ½–½ | Rizzo | Round 4: Plotkin, Mark - Rizzo, Tobias | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Jun 26, 2026 | Quispe Sanchez | 0–1 | Plotkin | Round 3: Quispe Sanchez, Cristobal Edu - Plotkin, Mark | Modern Defense | |
| Jun 26, 2026 | Plotkin | 1–0 | Bao Ataucusi | Round 2: Plotkin, Mark - Bao Ataucusi, Sebastian Anton | Sicilian Defense: Sozin Attack | |
| Jun 26, 2026 | Morvan | 0–1 | Plotkin | Round 1: Morvan, Carlton - Plotkin, Mark | ? | |
| Jun 26, 2026 | Plotkin | * | Llanto Llacsa | Round 23: Plotkin, Mark - Llanto Llacsa, Yaden Wilden | Scandinavian Defense: Modern Variation | |
| Jun 26, 2026 | Plotkin | * | Fernandez Perez | Round 21: Plotkin, Mark - Fernandez Perez, Jorge Andres | Catalan Opening: Closed Variation, Traditional Variation | |
| Jun 26, 2026 | Ticona Rocabado | * | Plotkin | Round 19: Ticona Rocabado, Licael Roderick - Plotkin, Mark | King's Indian Defense: Orthodox Variation | |
| Jun 26, 2026 | Plotkin | * | Cori Quispe | Round 17: Plotkin, Mark - Cori Quispe, Kevin Joel | Sicilian Defense: Classical Variation, Anti-Sozin Variation | |
| Jun 26, 2026 | Plotkin | 1–0 | Gemy | Round 15: Plotkin, Mark - Gemy, Jose Daniel | Catalan Opening | |
| Jun 26, 2026 | Quirhuayo Chumbe | 0–1 | Plotkin | Round 13: Quirhuayo Chumbe, German Gonzalo - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 26, 2026 | Henriquez Villagra | 0–1 | Plotkin | Round 11: Henriquez Villagra, Cristobal - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 26, 2026 | Plotkin | * | Caceres Sandoval | Round 10: Plotkin, Mark - Caceres Sandoval, Eduardo | ? | |
| Jun 26, 2026 | Caceres Sandoval | 0–1 | Plotkin | Round 9: Caceres Sandoval, Eduardo - Plotkin, Mark | Queen's Gambit Declined: Austrian Defense | |
| Jun 26, 2026 | Cori | ½–½ | Plotkin | Round 7: Cori, Jorge - Plotkin, Mark | Indian Defense: Przepiorka Variation | |
| Jun 26, 2026 | Plotkin | * | Caja Cruz | Round 6: Plotkin, Mark - Caja Cruz, Gabriel | ? | |
| Jun 26, 2026 | Caja Cruz | 0–1 | Plotkin | Round 5: Caja Cruz, Gabriel - Plotkin, Mark | Modern Defense | |
| Jun 26, 2026 | Plotkin | * | Ruiz Noriega | Round 4: Plotkin, Mark - Ruiz Noriega, Humberto Benjamin | ? | |
| Jun 26, 2026 | Ruiz Noriega | 0–1 | Plotkin | Round 3: Ruiz Noriega, Humberto Benjamin - Plotkin, Mark | Modern Defense | |
| Jun 26, 2026 | Plotkin | 1–0 | Miranda Galindo | Round 2: Plotkin, Mark - Miranda Galindo, Matheo Salvador | Semi-Slav Defense: Main Line | |
| Jun 26, 2026 | Miranda Galindo | 0–1 | Plotkin | Round 1: Miranda Galindo, Matheo Salvador - Plotkin, Mark | Pirc Defense: Classical Variation | |
| Jun 26, 2026 | Plotkin | * | Cori | Round 8: Plotkin, Mark - Cori, Jorge | ? | |
| Jun 25, 2026 | Cori | 0–1 | Plotkin | Round 9: Cori, Jorge - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 10, 2026 | Vazquez Pineda | 0–1 | Plotkin | Round 11: Vazquez Pineda, Jorge Hector - Plotkin, Mark | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jun 9, 2026 | Plotkin | 1–0 | Fogo Esquivel | Round 10: Plotkin, Mark - Fogo Esquivel, Levi Kalani Alexander | Catalan Opening | |
| Jun 8, 2026 | Plotkin | 0–1 | Reyes Zavaleta | Round 9: Plotkin, Mark - Reyes Zavaleta, Fabian Ricardo | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jun 8, 2026 | Lopez Rayo | ½–½ | Plotkin | Round 8: Lopez Rayo, Santiago - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 8, 2026 | Lu | 1–0 | Plotkin | Round 9: Lu, Maximillian - Plotkin, Mark | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Jun 8, 2026 | Plotkin | 1–0 | Reyes Zavaleta | Round 7: Plotkin, Mark - Reyes Zavaleta, Cristhian Yamil | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 8, 2026 | Campos Gomez | 1–0 | Plotkin | Round 6: Campos Gomez, Manuel - Plotkin, Mark | Zukertort Opening: Kingside Fianchetto | |
| Jun 8, 2026 | Plotkin | 0–1 | Arenas | Round 5: Plotkin, Mark - Arenas, David | Catalan Opening | |
| Jun 8, 2026 | Salinas Herrera | 0–1 | Plotkin | Round 4: Salinas Herrera, Pablo - Plotkin, Mark | Pirc Defense: Classical Variation, Quiet System | |
| Jun 8, 2026 | Plotkin | 1–0 | Cori | Round 3: Plotkin, Mark - Cori, Jorge | Catalan Opening: Closed, Main Line | |
| Jun 8, 2026 | Argote Heredia | 0–1 | Plotkin | Round 2: Argote Heredia, Valentina - Plotkin, Mark | Modern Defense | |
| Jun 8, 2026 | Plotkin | 1–0 | Duarte Cramer | Round 1: Plotkin, Mark - Duarte Cramer, Lily Jeanette | Petrov's Defense: Karklins-Martinovsky Variation | |
| Jun 7, 2026 | Plotkin | 1–0 | Leon Infante | Round 8: Plotkin, Mark - Leon Infante, Bryan | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Jun 6, 2026 | Santiago | 1–0 | Plotkin | Round 7: Santiago, Yago De Moura - Plotkin, Mark | Semi-Slav Defense: Normal Variation | |
| Jun 6, 2026 | Delgado Romero | 0–1 | Plotkin | Round 4: Delgado Romero, Marco - Plotkin, Mark | Modern Defense | |
| Jun 6, 2026 | Plotkin | 1–0 | Rojas Alarcon | Round 3: Plotkin, Mark - Rojas Alarcon, Julian Antonio | Petrov's Defense: Karklins-Martinovsky Variation | |
| Jun 6, 2026 | Reyes Zavaleta | 0–1 | Plotkin | Round 2: Reyes Zavaleta, Fabian Ricardo - Plotkin, Mark | Queen's Pawn Game: Modern Defense | |
| Jun 6, 2026 | Plotkin | 1–0 | Jackson | Round 1: Plotkin, Mark - Jackson, Leo Daniel Olivera | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jun 6, 2026 | Plotkin | 0–1 | Diaz Perez | Round 9: Plotkin, Mark - Diaz Perez, Michel Alejandro | Queen's Gambit Declined | |
| Jun 5, 2026 | Plotkin | 1–0 | Alfaro | Round 6: Plotkin, Mark - Alfaro, William | Benko Gambit Accepted: Modern Variation | |
| Jun 5, 2026 | Avila Pavas | 1–0 | Plotkin | Round 5: Avila Pavas, Santiago - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 5, 2026 | Plotkin | 1–0 | Obregon Rivero | Round 5: Plotkin, Mark - Obregon Rivero, Juan Carlos | Indian Defense: Wade-Tartakower Defense | |
| Jun 4, 2026 | Garzon Camelo | 1–0 | Plotkin | Round 8: Garzon Camelo, Andres Santiago - Plotkin, Mark | Modern Defense: Standard Defense | |
| Jun 4, 2026 | Plotkin | 0–1 | Valderrama Quiceno | Round 7: Plotkin, Mark - Valderrama Quiceno, Esteban Alb | Pirc Defense | |
| Jun 4, 2026 | Vasquez Schroeder | 0–1 | Plotkin | Round 6: Vasquez Schroeder, Rodrigo - Plotkin, Mark | Modern Defense | |
| Jun 4, 2026 | Plotkin | 1–0 | Tapie Amione | Round 4: Plotkin, Mark - Tapie Amione, Pablo Adib | Catalan Opening: Closed | |
| Jun 4, 2026 | Obregon Rivero | 1–0 | Plotkin | Round 3: Obregon Rivero, Juan Carlos - Plotkin, Mark | King's Indian Defense: Semi-Averbakh System | |
| Jun 4, 2026 | Telles Fukushima | 0–1 | Plotkin | Round 1: Telles Fukushima, Karla Akemi - Plotkin, Mark | King's Indian Defense: Normal Variation, Standard Development | |
| Jun 3, 2026 | Plotkin | 1–0 | Diaz Guerrero | Round 2: Plotkin, Mark - Diaz Guerrero, Jesus Daniel | Queen's Pawn Game: Symmetrical Variation | |
| Apr 6, 2026 | Plotkin | 0–1 | Plotkin | Round 8: Plotkin, Mark - Plotkin, Victor | English Opening: Symmetrical Variation, Four Knights Variation | |
| Apr 6, 2026 | Yao | 1–0 | Plotkin | Round 7: Yao, Lucas Mason Pin Qian - Plotkin, Mark | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 4, 2026 | Plotkin | 1–0 | Kraiouchkine | Round 6: Plotkin, Mark - Kraiouchkine, Nikita | Slav Defense: Chebanenko Variation | |
| Apr 3, 2026 | Zhong | 1–0 | Plotkin | Round 1: Zhong, Ryan Yunhui - Plotkin, Mark | Sicilian Defense: Moscow Variation, Main Line | |
| Feb 20, 2026 | Plotkin | ½–½ | Johnson | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Feb 20, 2026 | McKennis | 0–1 | Plotkin | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Feb 20, 2026 | Plotkin | 1–0 | Del Castilho | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Feb 20, 2026 | Harper | 0–1 | Plotkin | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | Modern Defense: Standard Defense | |
| Feb 20, 2026 | Plotkin | 1–0 | Ynojosa Aponte | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | Catalan Opening | |
| Feb 19, 2026 | Mendes Aaron Reeve | ½–½ | Plotkin | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Feb 19, 2026 | Husbands | ½–½ | Plotkin | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | Modern Defense: Standard Defense | |
| Feb 19, 2026 | Plotkin | 1–0 | Farley | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | King's Indian Defense: Fianchetto Variation, Immediate Fianchetto | |
| Feb 18, 2026 | Rodrigue-Lemieux | 1–0 | Plotkin | 2026 SITTU Barbados Open Championship Group A ELO 2100+ | Réti Opening: Anglo-Slav Variation, with g3 | |
| Feb 16, 2026 | Plotkin | 0–1 | Kot | 2026 Hart House Reading Week Open | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Feb 16, 2026 | Atanasov | ½–½ | Plotkin | 2026 Hart House Reading Week Open | Indian Defense: Accelerated London System | |
| Feb 15, 2026 | Plotkin | 1–0 | Huang | 2026 Hart House Reading Week Open | English Opening: Mikenas-Carls Variation | |
| Feb 15, 2026 | Gavrilin | 0–1 | Plotkin | 2026 Hart House Reading Week Open | Catalan Opening: Closed, Main Line | |
| Feb 14, 2026 | Plotkin | 1–0 | Yin | 2026 Hart House Reading Week Open | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Feb 14, 2026 | Marchand | ½–½ | Plotkin | 2026 Hart House Reading Week Open | Modern Defense: Two Knights Variation | |
| Oct 13, 2025 | Plotkin | 1–0 | Ivanov | Round 6: Plotkin, Mark - Ivanov, Mike | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Oct 13, 2025 | Plotkin | 1–0 | Kapra | Round 5: Plotkin, Mark - Kapra, Jerjis | Queen's Pawn Game | |