Marshall Mem Day Inv GM A New York USA· May 22 – 26, 2025 | May 22 – 26, 2025 | Classical | 10 | 2399 | 44 |
34th Chicago Open 2025 Chicago USA· May 22 – 26, 2025 | May 22 – 26, 2025 | Classical | 65 | 2293 | 84 |
Marshall Mem Day Inv IM B New York, NY USA· May 22 – 26, 2025 | May 22 – 26, 2025 | Classical | 10 | 2251 | 9 |
| ExpoFeria Escárcega 2025 | Libre· May 25 – 26, 2025 | May 25 – 26, 2025 | Classical | 11 | 1849 | 10 |
Guillermo Garcia Mixto Santa Clara CUB· May 21 – 26, 2025 | May 21 – 26, 2025 | Classical | 10 | 2120 | 30 |
Cherry Blossom Classic Sterling, VA USA· May 22 – 26, 2025 | May 22 – 26, 2025 | Classical | 50 | 2037 | 197 |
34. Chicago Open 2025 Chicago, IL USA· May 22 – 26, 2025 | May 22 – 26, 2025 | Classical | 59 | 2340 | 86 |
| 12. Cherry Blossom Classic· May 23 – 26, 2025 | May 23 – 26, 2025 | Classical | 65 | 2040 | 76 |
Guillermo Garcia Maestros Santa Clara CUB· May 21 – 26, 2025 | May 21 – 26, 2025 | Classical | 10 | 2209 | 29 |
| FIDE World Rapid and Blitz Championships 2024 | Blitz women48 Wall Street, New York City, United States· Jan 16 – May 25, 2025 | Jan 16 – May 25, 2025 | Blitz | 10 | 2559 | 5 |
| Chile Nacional Escolar Impar 2025 | Femenino· May 23 – 25, 2025 | May 23 – 25, 2025 | Blitz | 22 | 1571 | 19 |
8. Sharjah Masters 2025 Sharjah UAE· May 17 – 25, 2025 | May 17 – 25, 2025 | Classical | 83 | 2560 | 131 |
| 1. Kuwait International Chess Festival Open 2025 | Rapid· Jan 9 – May 25, 2025 | Jan 9 – May 25, 2025 | Rapid | 57 | 1723 | 63 |
| Chile Nacional Escolar Impar 2025 | Absoluto· May 23 – 25, 2025 | May 23 – 25, 2025 | Blitz | 35 | 1712 | 26 |
| CAMPEONATO DE ANDALUCIA 2025 ANDALUZ B· May 23 – 25, 2025 | May 23 – 25, 2025 | Blitz | 24 | 1868 | 24 |
Guillermo Garcia Prem 2 Santa Clara CUB· May 21 – 25, 2025 | May 21 – 25, 2025 | Classical | 10 | 2397 | 20 |
| 2025 Emiliano -Mike- Perea Memorial Open· May 24 – 25, 2025 | May 24 – 25, 2025 | Blitz | 20 | 1779 | 20 |
| CAMPEONATO DE ANDALUCIA 2025 ABSOLUTO-SUB18· May 22 – 25, 2025 | May 22 – 25, 2025 | Blitz | 58 | 2055 | 78 |
| Sharjah Masters 2025 | Group A· May 20 – 25, 2025 | May 20 – 25, 2025 | Blitz | 73 | 2559 | 79 |
| Sharjah Masters 2025 | Group B· May 17 – 25, 2025 | May 17 – 25, 2025 | Blitz | 45 | 2305 | 37 |
RADNICKICHESS IM 1 May Belgrade SRB· May 17 – 25, 2025 | May 17 – 25, 2025 | Classical | 10 | 2254 | 43 |
| Pokalmannschaftsmeisterschaft 2024-25· May 23 – 25, 2025 | May 23 – 25, 2025 | Classical | 63 | 2022 | 75 |
Nusret Causevic Mem Blitz Sarajevo BIH· May 25, 2025 | May 25, 2025 | Blitz | 29 | 2312 | 151 |
8th Sharjah Masters 2025 Sharjah UAE· May 17 – 25, 2025 | May 17 – 25, 2025 | Classical | 83 | 2535 | 345 |
8th Sharjah Masters B Sharjah UAE· May 17 – 25, 2025 | May 17 – 25, 2025 | Classical | 69 | 2177 | 104 |
11th Gligoric Cup 2025 Paracin SRB· May 22 – 25, 2025 | May 22 – 25, 2025 | Classical | 80 | 2112 | 155 |
| Kapiti Rapid 2025· May 23 – 24, 2025 | May 23 – 24, 2025 | Rapid | 15 | 1788 | 9 |
| FIDE World RapidandBlitz Team Championships 2024 | Rapid Matches 11+Astana, Kazakhstan· Jan 6 – May 24, 2025 | Jan 6 – May 24, 2025 | Rapid | 12 | 2235 | 6 |
| FIDE World RapidandBlitz Team Championships 2024 | Blitz 1-10 (Pools Stage)Astana, Kazakhstan· Jan 17 – May 24, 2025 | Jan 17 – May 24, 2025 | Blitz | 10 | 2420 | 5 |
| ACA Interclubs 2025 | A-Grade· May 23 – 24, 2025 | May 23 – 24, 2025 | Blitz | 12 | 1849 | 7 |
| Serbian Cup -Svetozar Gligorić- | women· May 22 – 24, 2025 | May 22 – 24, 2025 | Classical | 21 | 1880 | 17 |
| Serbian Cup -Svetozar Gligorić- | Open· Mar 25 – May 24, 2025 | Mar 25 – May 24, 2025 | Classical | 46 | 2236 | 33 |
| FIDE World Junior Chess Championship 2025 | Open· Feb 3 – May 24, 2025 | Feb 3 – May 24, 2025 | Classical | 150 | 2309 | 262 |
14th Salento Open 2025 Gallipoli ITA· May 17 – 24, 2025 | May 17 – 24, 2025 | Classical | 11 | 2112 | 20 |
ch-GER Blitz 2025 Munich GER· May 24, 2025 | May 24, 2025 | Blitz | 30 | 2381 | 430 |
ch-CAT 2025 Salou ESP· May 17 – 24, 2025 | May 17 – 24, 2025 | Classical | 16 | 2343 | 49 |
| 4º Torneo Internacional - Villa la Angostura - Neuquen - Argentina· May 23 – 24, 2025 | May 23 – 24, 2025 | Blitz | 35 | 1808 | 48 |
ch-GER Blitz Women 2025 Munich GER· May 24, 2025 | May 24, 2025 | Blitz | 29 | 2019 | 389 |
| Colombia Nacional Amateur 2025 | Fem Sub-1700· May 22 – 23, 2025 | May 22 – 23, 2025 | Blitz | 11 | 1622 | 6 |
| 14. Salento International Chess Open 2025· May 17 – 23, 2025 | May 17 – 23, 2025 | Classical | 12 | 2053 | 12 |
| Nigeria National Sports Festival 2024 - Chess | Opens· May 19 – 23, 2025 | May 19 – 23, 2025 | Classical | 41 | 2059 | 33 |
| Colombia Nacional Amateur 2025 | Abs Sub-2000· May 22 – 23, 2025 | May 22 – 23, 2025 | Blitz | 12 | 1887 | 7 |
| Nigeria National Sports Festival 2024 - Chess | Female· May 19 – 23, 2025 | May 19 – 23, 2025 | Classical | 41 | 1810 | 41 |
| Colombia Nacional Amateur 2025 | Abs Sub-2300· Apr 13 – May 23, 2025 | Apr 13 – May 23, 2025 | Blitz | 15 | 2004 | 18 |
ch-GER Women 2025 Munich GER· May 20 – 23, 2025 | May 20 – 23, 2025 | Classical | 10 | 2246 | 20 |
| XCIII Campionat de Catalunya Individual Absolut 2025· May 6 – 23, 2025 | May 6 – 23, 2025 | Blitz | 30 | 2171 | 43 |
| Colombia Nacional Amateur 2025 | Fem Sub-2000· May 22 – 23, 2025 | May 22 – 23, 2025 | Blitz | 10 | 1768 | 8 |
Netanya Closed IM 2025 Netanya ISR· Apr 9 – May 23, 2025 | Apr 9 – May 23, 2025 | Classical | 11 | 2328 | 51 |
Karpov Cup - 50 years Moscow RUS· May 21 – 23, 2025 | May 21 – 23, 2025 | Classical | 10 | 2689 | 45 |
| Romanian Individual Championship 2025 | Open· Feb 15 – May 23, 2025 | Feb 15 – May 23, 2025 | Classical | 55 | 2220 | 81 |