| 24 mar 2018 | Movsziszian, Karen 2541 | 1-0 | Donate Villalba, Juan Francisco 1813 | D73 Neo-Grünfeld Defense: with g3 | 1 · mesa 1 |
| 24 mar 2018 | Ruiz Romero, Pedro 1813 | 0-1 | Gleizerov, Evgeny 2517 | A25 English Opening: King's English Variation, Reversed Closed Sicilian | 1 · mesa 2 |
| 24 mar 2018 | Strikovic, Aleksa 2507 | 1-0 | Reyes Lopez, Angel 1800 | A65 Benoni Defense: King's Pawn Line, with Bg5 | 1 · mesa 3 |
| 24 mar 2018 | De Leon Navarro, Claudio 1787 | 0-1 | Libiszewski, Fabien 2507 | B06 Modern Defense: Standard Defense | 1 · mesa 4 |
| 24 mar 2018 | Petkov, Vladimir 2506 | 1-0 | Padilla Socorro, Jesus 1743 | A45 Indian Defense: Accelerated London System | 1 · mesa 5 |
| 24 mar 2018 | Kurajica, Bojan 2498 | 1-0 | Navio Lopez, Manuel 1715 | E67 King's Indian Defense: Fianchetto Variation, Classical Fianchetto | 1 · mesa 6 |
| 24 mar 2018 | Fernandez De La Hoz A., Carlos 1687 | 0-1 | Gascon Del Nogal, Jose Rafael 2496 | A45 Indian Defense | 1 · mesa 7 |
| 24 mar 2018 | Klekowski, Maciej 2489 | 1-0 | Sanabria Taskila, Jenny Maria 1683 | E29 Nimzo-Indian Defense: Sämisch Variation, Capablanca Variation | 1 · mesa 8 |
| 24 mar 2018 | Perez Bolanos, Joel 1683 | 0-1 | Pap, Misa 2483 | B32 Sicilian Defense: Kalashnikov Variation | 1 · mesa 9 |
| 24 mar 2018 | Wieczorek, Oskar 2464 | 1-0 | Perez Bolanos, David 1681 | C78 Ruy Lopez: Morphy Defense | 1 · mesa 10 |
| 24 mar 2018 | Hernandez Guerra, Luna Yue 1671 | 0-1 | Arenas, David 2449 | B23 Sicilian Defense: Closed | 1 · mesa 11 |
| 24 mar 2018 | Barski, Radoslaw 2432 | 1-0 | Haenen, Tom 1656 | B06 Modern Defense: Standard Line | 1 · mesa 12 |
| 24 mar 2018 | Garcia Gonzalez, Thaziri 1114 | 0-1 | Diez Asensio, Jesus 1843 | B20 Sicilian Defense: Bowdler Attack | 1 · mesa 13 |
| 24 mar 2018 | Mendez Manturano, Miguel Eduardo 1731 | 0-1 | Ulybin, Mikhail 2503 | C11 French Defense: Classical Variation, Shirov-Anand Variation | 1 · mesa 14 |
| 24 mar 2018 | Jablanovic, Milos 1347 | 0-1 | Saez Gabikagogeaskoa, Oscar 1970 | B33 Sicilian Defense: Lasker-Pelikan Variation | 1 · mesa 15 |
| 24 mar 2018 | Vela Ignacio, Jose Manuel 1968 | 1-0 | Farina Vidal, Adrian 1342 | C62 Ruy Lopez: Steinitz Defense | 1 · mesa 16 |
| 24 mar 2018 | Parsons, Alan | 1-0 | Pimienta Sanchez, Manuel 1814 | B08 Pirc Defense: Classical Variation | 1 · mesa 17 |
| 24 mar 2018 | Gonzalez Acosta, Pablo 1647 | 0-1 | Rios, Cristhian Camilo 2426 | A46 Indian Defense: Spielmann-Indian | 1 · mesa 18 |
| 24 mar 2018 | Alvarado Diaz, Alejandro 2399 | 1-0 | Jablanovic, Sasa 1647 | D10 Slav Defense | 1 · mesa 19 |
| 24 mar 2018 | Rivero Pena, Gara Del Pino 1644 | 0-1 | Gutierrez Olivares, Daniel 2284 | C15 French Defense: Winawer Variation, Fingerslip Variation | 1 · mesa 20 |
| 24 mar 2018 | Garcia Blanco, Omar 2252 | 1-0 | Andonegui Echeburua, Jose Luis 1627 | B22 Sicilian Defense: Alapin Variation | 1 · mesa 21 |
| 24 mar 2018 | Sanchez Ramirez, Gustavo 1622 | 0-1 | Ramirez Medina, Victor 2243 | E10 Indian Defense: Anti-Nimzo-Indian | 1 · mesa 22 |
| 24 mar 2018 | Vega Gutierrez, Belinda 2214 | 1-0 | Barrera Martin, Nayra 1608 | B10 Caro-Kann Defense: Goldman Variation | 1 · mesa 23 |
| 24 mar 2018 | D`odorico, Roberto 1563 | 0-1 | Perez Perez, Gabriel 2162 | E94 King's Indian Defense: Orthodox Variation, Glek Defense | 1 · mesa 24 |
| 24 mar 2018 | Cruz Pino, Adrian 2148 | 1-0 | Vlajkov, Milenko 1556 | D02 Queen's Pawn Game: Symmetrical Variation | 1 · mesa 25 |
| 24 mar 2018 | Macias Reyes, Jose Luis 1553 | 0-1 | Van Den Bersselaar, Jeroen 2146 | D02 Queen's Pawn Game: London System | 1 · mesa 26 |
| 24 mar 2018 | Guerra Arrocha, Daniel 2137 | 1-0 | Diaz Mendoza, Eladio 1549 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 1 · mesa 27 |
| 24 mar 2018 | Mamani Beltran, Daniel 1520 | 0-1 | Tolhuizen, Ludo 2132 | E59 Nimzo-Indian Defense: Normal Variation, Bernstein Defense | 1 · mesa 28 |
| 24 mar 2018 | Rodriguez Melian, Jose Luis 2079 | 1-0 | Mamani Beltran, Deniman 1510 | E06 Catalan Opening: Closed | 1 · mesa 29 |
| 24 mar 2018 | Cabrera Martel, Isaac 1503 | 0-1 | Cubas Cabrera, Angel Luis 2058 | D02 Queen's Pawn Game: London System | 1 · mesa 30 |
| 24 mar 2018 | Salazar De La Cruz, Jose Maria 2043 | 1-0 | Rueda Alameda, Francisco Javier 1502 | B40 Sicilian Defense: French Variation | 1 · mesa 31 |
| 24 mar 2018 | Perdomo Suarez, Juan Manuel 1478 | 0-1 | Antonano Fedz-Quincoces, Avelino 2042 | B27 Sicilian Defense: Hyperaccelerated Dragon | 1 · mesa 32 |
| 24 mar 2018 | Rodriguez Redondo, Ethan 2021 | 1-0 | Gutierrez Garcia, Ramon 1477 | B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 1 · mesa 33 |
| 24 mar 2018 | Morales Sanchez, Domingo 1455 | ½-½ | Medina Martin, Alberto 2015 | C01 French Defense: Exchange Variation | 1 · mesa 34 |
| 24 mar 2018 | Sosa Suarez, Carla Cristina 2011 | 1-0 | Diaz Medina, Angelo 1389 | C54 Italian Game: Classical Variation, with d5 | 1 · mesa 35 |
| 24 mar 2018 | Monteiro Rodrigues, Carlos 1368 | 0-1 | Camino Carrio, Nicanor 1997 | B47 Sicilian Defense: Taimanov Variation, Bastrikov Variation | 1 · mesa 36 |
| 24 mar 2018 | Bozinovic, Boban 1990 | 1-0 | Farina Vidal, Carlos 1354 | C16 French Defense: Winawer Variation, Advance Variation | 1 · mesa 37 |
| 24 mar 2018 | Moreno Diepa, Diego 1335 | 0-1 | Mendez Acosta, Alexander Jesus 1941 | C50 Italian Game: Giuoco Pianissimo | 1 · mesa 38 |
| 24 mar 2018 | Amador Garcia, Ismael 1934 | 1-0 | Rivero Pena, Himar 1295 | C62 Ruy Lopez: Steinitz Defense | 1 · mesa 39 |
| 24 mar 2018 | Roque Hernandez, Francisco 1285 | 0-1 | Beltran Ortiz, Edda Georgina 1922 | A57 Benko Gambit | 1 · mesa 40 |
| 24 mar 2018 | Ramirez Maillo, Cristian 1913 | 1-0 | Yuan, Ying Jie 1268 | C02 French Defense: Advance Variation, Main Line | 1 · mesa 41 |
| 24 mar 2018 | Rodriguez Mesa, Alejandro 1262 | 0-1 | Suarez Ramirez, Jonay 1905 | A48 London System | 1 · mesa 42 |
| 24 mar 2018 | Guillermo Gonzalez, Alvaro 1881 | 1-0 | Almeida Cubas, Mirella 1255 | B32 Sicilian Defense: Open | 1 · mesa 43 |
| 24 mar 2018 | Abderrahaman, Nadia 1199 | 1-0 | Quintana Marrero, Pedro Jesus 1879 | B20 Sicilian Defense: Bowdler Attack | 1 · mesa 44 |
| 24 mar 2018 | Galvan Sarmiento, Jose Luis 1869 | 1-0 | Marrero Rodriguez, Jorge 1168 | A45 Indian Defense: Tartakower Attack | 1 · mesa 45 |
| 24 mar 2018 | Diaz Bordon, Henry 1137 | 0-1 | Gil Ojeda, Jorge 1859 | B23 Sicilian Defense: Closed | 1 · mesa 46 |
| 24 mar 2018 | Fuentes Perez, Noe 1855 | 1-0 | Diaz Del Rosario, Carlos Efren 1132 | C56 Italian Game: Scotch Gambit, Anderssen Attack | 1 · mesa 47 |
| 24 mar 2018 | Perez Guerra, Raul 1829 | 1-0 | Alamo Peraza, Aray | B23 Sicilian Defense: Closed | 1 · mesa 48 |
| 24 mar 2018 | Betancor Pernia, Jose Alberto | 0-1 | Rodriguez Redondo, Adhara 1820 | C47 Four Knights Game | 1 · mesa 49 |
| 24 mar 2018 | Alba Santana, Cayetano 1818 | ½-½ | Melian Guerra, Gabriel | C00 French Defense: King's Indian Attack | 1 · mesa 50 |