| Italian Rapid Championship 2024 | Rapid 25+10· May 25, 2024 | May 25, 2024 | Rapid | 30 | 2171 | 28 |
| Nacionales Conade 2024 | Rápido 25+5 Sub-16· May 24 – 25, 2024 | May 24 – 25, 2024 | Classical | 28 | 1843 | 28 |
German Youth Championships 2024 | U14 Willingen GER· May 19 – 25, 2024 | May 19 – 25, 2024 | Classical | 50 | 1969 | 76 |
| Mongolian Championship 2024 | Men· May 18 – 25, 2024 | May 18 – 25, 2024 | Classical | 10 | 2230 | 8 |
German Youth Championships 2024 | U12 Willingen GER· May 19 – 25, 2024 | May 19 – 25, 2024 | Classical | 48 | 1753 | 55 |
German Youth Championships 2024 | U18 Willingen GER· May 19 – 25, 2024 | May 19 – 25, 2024 | Classical | 29 | 2149 | 46 |
German Youth Championships 2024 | U12w Willingen GER· May 19 – 25, 2024 | May 19 – 25, 2024 | Classical | 41 | 1592 | 65 |
| Nacionales Conade 2024 | Rápido 10+5 Sub-12· May 25, 2024 | May 25, 2024 | Classical | 21 | 1762 | 18 |
German Youth Championships 2024 | ODJM C Willingen GER· May 19 – 25, 2024 | May 19 – 25, 2024 | Classical | 89 | 1504 | 213 |
German Youth Championships 2024 | ODJM B Willingen GER· May 19 – 25, 2024 | May 19 – 25, 2024 | Classical | 46 | 1681 | 48 |
| Angolan Championships Malanje 2024 | Blitz women· May 24, 2024 | May 24, 2024 | Blitz | 9 | 1750 | 22 |
10. Gligoric Cup 2024 Paracin SRB· May 21 – 24, 2024 | May 21 – 24, 2024 | Classical | 43 | 2256 | 91 |
| Angolan Championships Malanje 2024 | Blitz Open· May 24, 2024 | May 24, 2024 | Blitz | 19 | 1988 | 29 |
10th Gligoric Cup 2024 Paracin SRB· May 21 – 24, 2024 | May 21 – 24, 2024 | Classical | 39 | 2230 | 70 |
| Nacionales Conade 2024 Clásico | Sub 12· May 21 – 23, 2024 | May 21 – 23, 2024 | Classical | 13 | 1824 | 10 |
| Nacionales Conade 2024 Clásico | Sub 20 Fem· May 21 – 23, 2024 | May 21 – 23, 2024 | Classical | 10 | 1790 | 11 |
| Nacionales Conade 2024 Clásico | Sub 20· May 21 – 23, 2024 | May 21 – 23, 2024 | Classical | 10 | 2036 | 9 |
| Israel Championship for People with Disabilities 2024· May 23, 2024 | May 23, 2024 | Classical | 14 | 2033 | 10 |
| Nacionales Conade 2024 Clásico | Sub 12 Fem· May 21 – 23, 2024 | May 21 – 23, 2024 | Classical | 18 | 1567 | 15 |
| Angolan Championships Malanje 2024 | Rapid Open· May 23, 2024 | May 23, 2024 | Rapid | 29 | 1966 | 43 |
| Nepali National B Chess Championship 2024 | Open· May 21 – 23, 2024 | May 21 – 23, 2024 | Classical | 14 | 1909 | 11 |
Montcalm Ch 2023-24 Quebec CAN· Feb 25 – May 23, 2024 | Feb 25 – May 23, 2024 | Classical | 6 | 1836 | 14 |
| Austrian Youth Championships 2024 | G10· May 18 – 23, 2024 | May 18 – 23, 2024 | Classical | 16 | 1627 | 28 |
Scarborough CC Ch Toronto CAN· Mar 21 – May 23, 2024 | Mar 21 – May 23, 2024 | Classical | 27 | 1736 | 43 |
Montcalm 7 2023-24 Quebec CAN· Apr 25 – May 23, 2024 | Apr 25 – May 23, 2024 | Classical | 17 | 1678 | 18 |
| Campeonato de Chile de la Niñez y Juventud 2024· May 17 – 22, 2024 | May 17 – 22, 2024 | Classical | 42 | 1723 | 33 |
| CJKS Premier Division Chess League 2024· Apr 19 – May 22, 2024 | Apr 19 – May 22, 2024 | Classical | 54 | 1969 | 67 |
7. Sharjah Challengers Sharjah UAE· May 14 – 22, 2024 | May 14 – 22, 2024 | Classical | 50 | 2286 | 73 |
| Angolan Championships Malanje 2024 | Open· May 17 – 22, 2024 | May 17 – 22, 2024 | Classical | 22 | 2013 | 28 |
7. Sharjah Masters 2024 Sharjah UAE· May 14 – 22, 2024 | May 14 – 22, 2024 | Classical | 89 | 2597 | 279 |
| Sharjah | Masters· May 14 – 22, 2024 | May 14 – 22, 2024 | Classical | 75 | 2595 | 96 |
7th Sharjah Masters 2024 Sharjah UAE· May 14 – 22, 2024 | May 14 – 22, 2024 | Classical | 88 | 2559 | 324 |
7th Sharjah Challengers Sharjah UAE· May 14 – 22, 2024 | May 14 – 22, 2024 | Classical | 60 | 2274 | 91 |
SixDays Budapest May 2024 | IM Budapest HUN· May 16 – 21, 2024 | May 16 – 21, 2024 | Classical | 9 | 2253 | 10 |
| Swiss Youth Chess Championship 2024 | U12Glarus, Switzerland· May 17 – 21, 2024 | May 17 – 21, 2024 | Blitz | 10 | 1911 | 9 |
SixDays Budapest May GM B Budapest HUN· May 16 – 21, 2024 | May 16 – 21, 2024 | Classical | 10 | 2397 | 43 |
Guillermo Garcia Maestro Santa Clara CUB· May 14 – 21, 2024 | May 14 – 21, 2024 | Classical | 13 | 2255 | 41 |
Guillermo Garcia Gp1 Santa Clara CUB· May 14 – 21, 2024 | May 14 – 21, 2024 | Classical | 10 | 2394 | 43 |
SixDays Budapest May GM A Budapest HUN· May 16 – 21, 2024 | May 16 – 21, 2024 | Classical | 10 | 2401 | 41 |
Guillermo Garcia Gp2 Santa Clara CUB· May 14 – 21, 2024 | May 14 – 21, 2024 | Classical | 10 | 2390 | 43 |
SixDays Budapest May IM Budapest HUN· May 16 – 21, 2024 | May 16 – 21, 2024 | Classical | 11 | 2268 | 42 |
Guillermo Garcia Open Santa Clara CUB· May 14 – 21, 2024 | May 14 – 21, 2024 | Classical | 51 | 1979 | 226 |
| Late Bharatbhai Halkude Memorial 2024 | Open· May 18 – 20, 2024 | May 18 – 20, 2024 | Classical | 24 | 1926 | 15 |
| Sharjah | Challengers· Apr 10 – May 20, 2024 | Apr 10 – May 20, 2024 | Classical | 9 | 2385 | 5 |
| 2024 Ontario Open· May 18 – 20, 2024 | May 18 – 20, 2024 | Classical | 11 | 2186 | 6 |
16. BPB Limburg GM 2024 Maastricht NED· May 15 – 20, 2024 | May 15 – 20, 2024 | Classical | 10 | 2444 | 45 |
SixDays Budapest May 2024 | GM A Budapest HUN· May 17 – 20, 2024 | May 17 – 20, 2024 | Classical | 9 | 2401 | 8 |
SixDays Budapest May 2024 | GM B Budapest HUN· Apr 6 – May 20, 2024 | Apr 6 – May 20, 2024 | Classical | 11 | 2452 | 8 |
| FICGS__CHESS__THEMATIC_TOURNAMENT__000265FICGS· May 20, 2024 | May 20, 2024 | Classical | 7 | 1923 | 19 |
| Swiss Youth Chess Championship 2024 | U14Glarus, Switzerland· May 17 – 20, 2024 | May 17 – 20, 2024 | Blitz | 13 | 1886 | 17 |