| Round 4 on 2018/09/27 at 15:00 |
| Bo. | 3 | China | Rtg | - | 31 | Uzbekistan | Rtg | 3 : 1 | PGN |
| 1.1 | GM | | 2561 | - | WGM | | Tokhirjonova Gulrukhbegim |
| 2369 | 1 - 0 | PGN |
| 1.2 | IM | | 2464 | - | WGM | | 2202 | 1 - 0 | PGN |
| 1.3 | WGM | | 2446 | - | WIM | | 2265 | ½ - ½ | PGN |
| 1.4 | GM | | 2468 | - | WIM | | 2124 | ½ - ½ | PGN |
| Bo. | 18 | Italy | Rtg | - | 12 | Armenia | Rtg | 1½:2½ | PGN |
| 2.1 | IM | | 2421 | - | GM | | 2409 | 0 - 1 | PGN |
| 2.2 | IM | | 2267 | - | IM | | 2384 | 0 - 1 | PGN |
| 2.3 | FM | | 2321 | - | WFM | | 2331 | 1 - 0 | PGN |
| 2.4 | FM | | 2294 | - | WGM | | 2289 | ½ - ½ | PGN |
| Bo. | 28 | Iran | Rtg | - | 17 | Mongolia | Rtg | ½ :3½ | PGN |
| 3.1 | IM | | Khademalsharieh Sarasadat |
| 2431 | - | IM | | 2422 | ½ - ½ | PGN |
| 3.2 | WGM | | 2254 | - | IM | | Nomin-Erdene Davaademberel |
| 2377 | 0 - 1 | PGN |
| 3.3 | WIM | | 2261 | - | WFM | | 2149 | 0 - 1 | PGN |
| 3.4 | WFM | | 2135 | - | IM | | 2367 | 0 - 1 | PGN |
| Bo. | 19 | Vietnam | Rtg | - | 4 | Georgia 1 | Rtg | 1 : 3 | PGN |
| 4.1 | WGM | | 2368 | - | GM | | 2509 | 0 - 1 | PGN |
| 4.2 | IM | | 2347 | - | IM | | 2475 | ½ - ½ | PGN |
| 4.3 | WGM | | 2323 | - | GM | | 2482 | 0 - 1 | PGN |
| 4.4 | WGM | | 2244 | - | IM | | 2404 | ½ - ½ | PGN |
| Bo. | 11 | Azerbaijan | Rtg | - | 10 | United States of America | Rtg | 1½:2½ | PGN |
| 5.1 | IM | | 2438 | - | IM | | 2431 | 0 - 1 | PGN |
| 5.2 | WGM | | 2358 | - | GM | | 2423 | 0 - 1 | PGN |
| 5.3 | WIM | | 2326 | - | WGM | | 2361 | 1 - 0 | PGN |
| 5.4 | IM | | 2355 | - | FM | | 2268 | ½ - ½ | PGN |
| Bo. | 2 | Ukraine | Rtg | - | 35 | Slovenia | Rtg | 4 : 0 | PGN |
| 6.1 | GM | | 2555 | - | WIM | | 2299 | 1 - 0 | PGN |
| 6.2 | GM | | 2533 | - | WFM | | 2254 | 1 - 0 | PGN |
| 6.3 | GM | | 2451 | - | WGM | | 2185 | 1 - 0 | PGN |
| 6.4 | IM | | 2405 | - | WGM | | 2148 | 1 - 0 | PGN |
| Bo. | 13 | Hungary | Rtg | - | 14 | Georgia 2 | Rtg | 1½:2½ | PGN |
| 7.1 | GM | | 2423 | - | IM | | 2391 | 1 - 0 | PGN |
| 7.2 | IM | | 2370 | - | IM | | 2325 | 0 - 1 | PGN |
| 7.3 | WGM | | 2321 | - | IM | | 2301 | 0 - 1 | PGN |
| 7.4 | WGM | | 2258 | - | WGM | | 2255 | ½ - ½ | PGN |
| Bo. | 5 | India | Rtg | - | 7 | Poland | Rtg | 3 : 1 | PGN |
| 8.1 | GM | | 2557 | - | GM | | 2446 | ½ - ½ | PGN |
| 8.2 | GM | | 2500 | - | WGM | | 2424 | 1 - 0 | PGN |
| 8.3 | IM | | 2400 | - | WGM | | 2347 | 1 - 0 | PGN |
| 8.4 | IM | | 2374 | - | WIM | | 2305 | ½ - ½ | PGN |
| Bo. | 24 | Turkey | Rtg | - | 23 | Serbia | Rtg | 2½:1½ | PGN |
| 9.1 | IM | | 2447 | - | WGM | | 2261 | ½ - ½ | PGN |
| 9.2 | WGM | | 2345 | - | WIM | | 2339 | ½ - ½ | PGN |
| 9.3 | WGM | | Yildiz Kadioglu Betul Cemre |
| 2287 | - | WIM | | 2241 | ½ - ½ | PGN |
| 9.4 | WFM | | 2108 | - | WIM | | 2170 | 1 - 0 | PGN |
| Bo. | 56 | Georgia 3 | Rtg | - | 33 | Australia | Rtg | 1 : 3 | PGN |
| 10.1 | WIM | | 2313 | - | WIM | | 2259 | ½ - ½ | PGN |
| 10.2 | | | 2081 | - | WGM | | 2330 | ½ - ½ | PGN |
| 10.3 | | | 1911 | - | WGM | | 2224 | 0 - 1 | PGN |
| 10.4 | | | 1876 | - | IM | | 2112 | 0 - 1 | PGN |
| Bo. | 15 | Spain | Rtg | - | 30 | Argentina | Rtg | 1½:2½ | PGN |
| 11.1 | IM | | 2404 | - | IM | | 2350 | 0 - 1 | PGN |
| 11.2 | FM | | 2329 | - | WGM | | 2249 | 0 - 1 | PGN |
| 11.3 | IM | | 2362 | - | WIM | | 2215 | ½ - ½ | PGN |
| 11.4 | WIM | | Hernandez Estevez Yudania |
| 2192 | - | WIM | | 2186 | 1 - 0 | PGN |
| Bo. | 21 | Israel | Rtg | - | 1 | Russia | Rtg | 1 : 3 | PGN |
| 12.1 | IM | | 2375 | - | GM | | 2559 | ½ - ½ | PGN |
| 12.2 | WGM | | 2313 | - | GM | | 2528 | 0 - 1 | PGN |
| 12.3 | IM | | 2288 | - | WGM | | 2469 | ½ - ½ | PGN |
| 12.4 | WIM | | 2258 | - | WGM | | 2462 | 0 - 1 | PGN |
| Bo. | 81 | Singapore | Rtg | - | 26 | Czech Republic | Rtg | 0 : 4 | PGN |
| 13.1 | WFM | | 2064 | - | WGM | | 2295 | 0 - 1 | PGN |
| 13.2 | | | 2020 | - | WIM | | 2248 | 0 - 1 | PGN |
| 13.3 | | | 1751 | - | WIM | | 2231 | 0 - 1 | PGN |
| 13.4 | | | 1687 | - | WGM | | 2276 | 0 - 1 | PGN |
| Bo. | 36 | Belarus | Rtg | - | 54 | Turkmenistan | Rtg | 2½:1½ | PGN |
| 14.1 | WIM | | 2404 | - | WGM | | 2139 | ½ - ½ | PGN |
| 14.2 | | | 2167 | - | WFM | | 2098 | ½ - ½ | PGN |
| 14.3 | | | 2114 | - | WFM | | 2075 | 1 - 0 | PGN |
| 14.4 | | | 2040 | - | WCM | | 1950 | ½ - ½ | PGN |
| Bo. | 20 | Romania | Rtg | - | 53 | Mexico | Rtg | 3 : 1 | PGN |
| 15.1 | IM | | 2394 | - | WIM | | Fuentes Godoy Lilia Ivonne |
| 2079 | ½ - ½ | PGN |
| 15.2 | IM | | 2374 | - | WIM | | Real Pereyra Diana Carime |
| 2110 | 1 - 0 | PGN |
| 15.3 | WGM | | 2328 | - | WIM | | Garcia Morales Ivette Ale |
| 2013 | ½ - ½ | PGN |
| 15.4 | WFM | | 1933 | - | WIM | | Guerrero Rodriguez Alejandra |
| 2009 | 1 - 0 | PGN |
| Bo. | 6 | France | Rtg | - | 38 | Austria | Rtg | 2 : 2 | PGN |
| 16.1 | GM | | 2480 | - | WIM | | 2267 | ½ - ½ | PGN |
| 16.2 | WGM | | 2390 | - | WIM | | 2204 | 1 - 0 | PGN |
| 16.3 | IM | | 2389 | - | WFM | | 2172 | ½ - ½ | PGN |
| 16.4 | WIM | | 2237 | - | WFM | | 2146 | 0 - 1 | PGN |
| Bo. | 8 | Kazakhstan | Rtg | - | 49 | Denmark | Rtg | 4 : 0 | PGN |
| 17.1 | IM | | 2474 | - | WFM | | 2157 | 1 - 0 | PGN |
| 17.2 | IM | | 2482 | - | WIM | | 2137 | 1 - 0 | PGN |
| 17.3 | IM | | 2394 | - | | | 2101 | 1 - 0 | PGN |
| 17.4 | WFM | | 2125 | - | WFM | | 2060 | 1 - 0 | PGN |
| Bo. | 16 | Netherlands | Rtg | - | 48 | Norway | Rtg | 3 : 1 | PGN |
| 18.1 | GM | | 2367 | - | WGM | | 2184 | 0 - 1 | PGN |
| 18.2 | WGM | | 2345 | - | WIM | | 2136 | 1 - 0 | PGN |
| 18.3 | IM | | 2339 | - | | | 2059 | 1 - 0 | PGN |
| 18.4 | WIM | | 2260 | - | | | 1947 | 1 - 0 | PGN |
| Bo. | 40 | Canada | Rtg | - | 92 | Syria | Rtg | 4 : 0 | PGN |
| 19.1 | FM | | 2207 | - | | | Ahmad Murad Fatema Alzahraa. |
| 1649 | 1 - 0 | PGN |
| 19.2 | WIM | | 2144 | - | | | 1726 | 1 - 0 | PGN |
| 19.3 | WFM | | 2134 | - | | | 1795 | 1 - 0 | PGN |
| 19.4 | | | 2128 | - | | | 1797 | 1 - 0 | PGN |
| Bo. | 91 | Sri Lanka | Rtg | - | 9 | Germany | Rtg | 1 : 3 | PGN |
| 20.1 | | | Abeysinghe H M H Janandani |
| 1678 | - | IM | | 2513 | 0 - 1 | PGN |
| 20.2 | WIM | | 1785 | - | WIM | | 2348 | 0 - 1 | PGN |
| 20.3 | | | 1764 | - | WGM | | 2355 | 1 - 0 | PGN |
| 20.4 | WCM | | 1655 | - | WGM | | 2274 | 0 - 1 | PGN |
| Bo. | 44 | Croatia | Rtg | - | 34 | Lithuania | Rtg | 0 : 4 | PGN |
| 21.1 | WGM | | 2254 | - | IM | | 2462 | 0 - 1 | PGN |
| 21.2 | WGM | | 2167 | - | WIM | | 2278 | 0 - 1 | PGN |
| 21.3 | FM | | 2009 | - | WIM | | 2172 | 0 - 1 | PGN |
| 21.4 | WFM | | 2118 | - | | | 1840 | 0 - 1 | PGN |
| Bo. | 94 | El Salvador | Rtg | - | 25 | England | Rtg | 0 : 4 | PGN |
| 22.1 | WFM | | 1772 | - | IM | | 2402 | 0 - 1 | PGN |
| 22.2 | WCM | | 1702 | - | FM | | 2253 | 0 - 1 | PGN |
| 22.3 | AIM | | Zavala Galindo Alejandra Beatri |
| 1713 | - | IM | | 2308 | 0 - 1 | PGN |
| 22.4 | WCM | | Garcia Mendez Alcira Guadalupe |
| 1741 | - | WIM | | 2112 | 0 - 1 | PGN |
| Bo. | 107 | United Arab Emirates | Rtg | - | 42 | Latvia | Rtg | 0 : 4 | PGN |
| 23.1 | WIM | | 1909 | - | WGM | | 2218 | 0 - 1 | PGN |
| 23.2 | | | 1490 | - | WFM | | 2123 | 0 - 1 | PGN |
| 23.3 | | | 1460 | - | WFM | | 2081 | 0 - 1 | PGN |
| 23.4 | WCM | | 1494 | - | WFM | | 2064 | 0 - 1 | PGN |
| Bo. | 43 | Philippines | Rtg | - | 29 | Slovakia | Rtg | 2½:1½ | PGN |
| 24.1 | WGM | | 2287 | - | IM | | 2288 | ½ - ½ | PGN |
| 24.2 | WIM | | 2157 | - | IM | | 2290 | 0 - 1 | PGN |
| 24.3 | WFM | | 2113 | - | WGM | | 2268 | 1 - 0 | PGN |
| 24.4 | WIM | | San Diego Marie Antoinette |
| 2102 | - | WFM | | 2060 | 1 - 0 | PGN |
| Bo. | 41 | Estonia | Rtg | - | 60 | Bangladesh | Rtg | 3½: ½ | PGN |
| 25.1 | WIM | | 2320 | - | WIM | | 2152 | 1 - 0 | PGN |
| 25.2 | WFM | | 2158 | - | WFM | | 2022 | 1 - 0 | PGN |
| 25.3 | WIM | | 2102 | - | WFM | | 1974 | ½ - ½ | PGN |
| 25.4 | WFM | | 2113 | - | WIM | | 1909 | 1 - 0 | PGN |
| Bo. | 32 | Colombia | Rtg | - | 69 | Scotland | Rtg | 2½:1½ | PGN |
| 26.1 | WIM | | 2248 | - | GM | | 2345 | 0 - 1 | PGN |
| 26.2 | WGM | | Franco Valencia Beatriz Irene |
| 2191 | - | | | 1923 | ½ - ½ | PGN |
| 26.3 | WIM | | 2227 | - | | | 1655 | 1 - 0 | PGN |
| 26.4 | WIM | | 2188 | - | | | 1488 | 1 - 0 | PGN |
| Bo. | 39 | Switzerland | Rtg | - | 86 | Kyrgyzstan | Rtg | 4 : 0 | PGN |
| 27.1 | WFM | | 2195 | - | | | 2024 | 1 - 0 | PGN |
| 27.2 | WIM | | 2170 | - | | | 1877 | 1 - 0 | PGN |
| 27.3 | WFM | | 2175 | - | | | 1770 | 1 - 0 | PGN |
| 27.4 | WFM | | 2118 | - | | | 1572 | 1 - 0 | PGN |
| Bo. | 47 | Indonesia | Rtg | - | 65 | Bolivia | Rtg | 4 : 0 | PGN |
| 28.1 | WIM | | Sihite Chelsie Monica Ignesias |
| 2244 | - | WIM | | 2082 | 1 - 0 | PGN |
| 28.2 | WFM | | 2227 | - | WFM | | 2052 | 1 - 0 | PGN |
| 28.3 | WFM | | 1968 | - | WIM | | 1961 | 1 - 0 | PGN |
| Bo. | 52 | Egypt | Rtg | - | 112 | Zimbabwe | Rtg | 4 : 0 | PGN |
| 29.1 | WGM | | 2157 | - | WCM | | 1718 | 1 - 0 | PGN |
| 29.2 | WGM | | 2129 | - | | | 1626 | 1 - 0 | PGN |
| 29.3 | WIM | | 2020 | - | WCM | | 1528 | 1 - 0 | PGN |
| 29.4 | WIM | | 1946 | - | | | 1577 | 1 - 0 | PGN |
| Bo. | 67 | Algeria | Rtg | - | 70 | Montenegro | Rtg | 1 : 3 | PGN |
| 30.1 | WIM | | 2056 | - | WIM | | 2113 | ½ - ½ | PGN |
| 30.2 | WIM | | 2056 | - | | | 1898 | 0 - 1 | PGN |
| Bo. | 73 | IBCA | Rtg | - | 97 | Morocco | Rtg | 1½:2½ | PGN |
| 32.1 | WIM | | 2214 | - | WIM | | 1893 | 1 - 0 | PGN |
| Bo. | 62 | Iceland | Rtg | - | 22 | Cuba | Rtg | ½ :3½ | PGN |
| 33.1 | WGM | | 2211 | - | IM | | Ordaz Valdes Lisandra Teresa |
| 2415 | 0 - 1 | PGN |
| 33.2 | WFM | | 1981 | - | WGM | | 2281 | ½ - ½ | PGN |
| 33.3 | | | 1945 | - | WGM | | 2243 | 0 - 1 | PGN |
| 33.4 | | | Johannsdottir Johanna Bjorg |
| 1900 | - | WIM | | 2239 | 0 - 1 | PGN |
| Bo. | 63 | Bosnia & Herzegovina | Rtg | - | 27 | Greece | Rtg | 1 : 3 | PGN |
| 34.1 | WFM | | 2130 | - | IM | | 2393 | 0 - 1 | PGN |
| 34.2 | WFM | | 1960 | - | FM | | 2260 | 0 - 1 | PGN |
| 34.3 | WCM | | 1946 | - | WIM | | 2194 | ½ - ½ | PGN |
| 34.4 | | | 1921 | - | WFM | | 2149 | ½ - ½ | PGN |
| Bo. | 88 | South Africa | Rtg | - | 76 | Tajikistan | Rtg | 1½:2½ | PGN |
| 35.1 | WIM | | 1933 | - | | | 2090 | 1 - 0 | PGN |
| 35.2 | WIM | | 1780 | - | WFM | | 2038 | 0 - 1 | PGN |
| Bo. | 59 | Sweden | Rtg | - | 46 | Moldova | Rtg | 1½:2½ | PGN |
| 36.1 | WIM | | 2283 | - | WIM | | 2266 | ½ - ½ | PGN |
| 36.2 | | | 1986 | - | WFM | | 2124 | 1 - 0 | PGN |
| 36.3 | | | 2004 | - | IM | | 2156 | 0 - 1 | PGN |
| 36.4 | | | 1731 | - | WFM | | 2026 | 0 - 1 | PGN |
| Bo. | 51 | Luxembourg | Rtg | - | 119 | Chinese Taipei | Rtg | 3½: ½ | PGN |
| 37.1 | WIM | | 2188 | - | WFM | | 1546 | ½ - ½ | PGN |
| 37.2 | WIM | | 2143 | - | WCM | | 1378 | 1 - 0 | PGN |
| Bo. | 110 | Malta | Rtg | - | 50 | Ecuador | Rtg | 0 : 4 | PGN |
| 38.1 | WFM | | 1863 | - | WGM | | 2159 | 0 - 1 | PGN |
| 38.3 | WCM | | 1446 | - | WIM | | Romero Echeverria Abigail |
| 2034 | 0 - 1 | PGN |
| Bo. | 37 | Peru | Rtg | - | 98 | Angola | Rtg | 4 : 0 | PGN |
| 39.1 | WGM | | 2391 | - | WFM | | 1729 | 1 - 0 | PGN |
| 39.2 | WFM | | Paredes Bustamante Paula Elizab |
| 2151 | - | WFM | | 1725 | 1 - 0 | PGN |
| 39.3 | | | Zarate Oyague Flor De Maria |
| 2039 | - | | | 1652 | 1 - 0 | PGN |
| 39.4 | WIM | | Caballero Quijano Mitzy Mishell |
| 2034 | - | WCM | | 1556 | 1 - 0 | PGN |
| Bo. | 77 | South Korea | Rtg | - | 72 | Finland | Rtg | 1 : 3 | PGN |
| 40.1 | WFM | | 2030 | - | WFM | | 2029 | ½ - ½ | PGN |
| Bo. | 45 | Brazil | Rtg | - | 58 | FYR Macedonia | Rtg | 2½:1½ | PGN |
| 41.1 | FM | | 2255 | - | | | 2057 | 1 - 0 | PGN |
| 41.2 | WFM | | 2174 | - | WIM | | 2026 | ½ - ½ | PGN |
| 41.3 | WIM | | 2110 | - | | | 1856 | 1 - 0 | PGN |
| 41.4 | WFM | | 2037 | - | | | 1966 | 0 - 1 | PGN |
| Bo. | 61 | Chile | Rtg | - | 102 | Paraguay | Rtg | 2 : 2 | PGN |
| 45.1 | WIM | | Gomez Barrera Javiera Belen |
| 2035 | - | WIM | | 2159 | 0 - 1 | PGN |
| Bo. | 68 | Malaysia | Rtg | - | 95 | Iraq | Rtg | 3 : 1 | PGN |
| 49.1 | WFM | | 2054 | - | | | Nabaa Sami Abbas Al-Attraqchi |
| 1831 | 1 - 0 | PGN |
| Bo. | 55 | Venezuela | Rtg | - | 79 | Albania | Rtg | 1½:2½ | PGN |
| 53.1 | IM | | Sanchez Castillo Sarai Carolina |
| 2137 | - | WCM | | 1953 | 0 - 1 | PGN |
| 53.3 | WIM | | Rovira Contreras Tairu Manuela |
| 2033 | - | WCM | | 1924 | 1 - 0 | PGN |
| Bo. | 118 | Thailand | Rtg | - | 64 | ICCD | Rtg | 1 : 3 | PGN |
| 56.2 | | | 1620 | - | WIM | | 2010 | ½ - ½ | PGN |