| Game | Result | Opening | Date |
|---|---|---|---|
| Palma Villanueva, Miguel Tadeo (2215) – Otero Acosta, Diasmany (2272) | 1-0 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | 2026-09-16 |
| Otero Acosta, Diasmany (2272) – Leal Escamilla, Daniel Zinedine (1990) | 1/2-1/2 | King's Indian Defense: Normal Variation, King's Knight Variation | 2026-09-15 |
| Jorajuria Mendoza, Algol (2108) – Otero Acosta, Diasmany (2272) | 1-0 | Sicilian Defense: Kan Variation, Polugaevsky Variation | 2026-09-14 |
| Quesada Perez, Luis Ernesto (2543) – Otero Acosta, Diasmany (2272) | 1-0 | Benoni Defense: Knight's Tour Variation | 2026-09-13 |
| Otero Acosta, Diasmany (2272) – Obregon Rivero, Juan Carlos (2463) | 1/2-1/2 | Ruy Lopez: Exchange Variation, Gligoric Variation | 2026-09-13 |
| Montano Vicente, Guadalupe (2049) – Otero Acosta, Diasmany (2272) | 0-1 | Old Indian Defense | 2026-09-12 |
| Otero Acosta, Diasmany (2272) – Flom, Gabriel (2449) | 1/2-1/2 | King's Indian Defense: Normal Variation, Rare Defenses | 2026-09-12 |
| Otero Acosta, Diasmany (2272) – De Alba Boudreau, Pablo Elliott (1824) | 1-0 | Queen's Gambit Declined: Ragozin Defense | 2026-09-11 |
| Otero Acosta, Diasmany (2269) – Fonseca Manrique, Enrique (2168) | 1-0 | Queen's Gambit Declined: Vienna Variation, Quiet Variation | 2026-08-09 |
| Gonzalez Zharikov, Andrey (2208) – Otero Acosta, Diasmany (2269) | 1-0 | Ruy Lopez: Morphy Defense, Fianchetto Defense Deferred | 2026-08-08 |
| Otero Acosta, Diasmany (2269) – Cortes Medina, Fernando (2130) | 1-0 | French Defense: Advance Variation, Euwe Variation | 2026-08-08 |
| Miranda Mesa, Elier (2450) – Otero Acosta, Diasmany (2269) | 1-0 | Sicilian Defense: Closed, Traditional | 2026-08-07 |
| Otero Acosta, Diasmany (2269) – Sandoval Mercado, Carlos (2431) | 0-1 | King's Indian Defense: Normal Variation, Rare Defenses | 2026-08-07 |
| Fonseca Garcia, Luis Humbe (1861) – Otero Acosta, Diasmany (2269) | 0-1 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 2026-08-06 |
| Otero Acosta, Diasmany (2269) – Hernandez Guerrero, Gilberto (2382) | 1-0 | Bogo-Indian Defense: Nimzowitsch Variation | 2026-08-06 |
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