RUS Ch Junior 2024 Yekaterinburg RUS· Apr 7 – 15, 2024 | Apr 7 – 15, 2024 | Classical | 10 | 2286 | 43 |
20. Iran Chess Super League Tehran IRI· Apr 11 – 14, 2024 | Apr 11 – 14, 2024 | Classical | 14 | 2024 | 8 |
| Californian State Championships 2024 | women· Apr 14, 2024 | Apr 14, 2024 | Classical | 6 | 1913 | 5 |
| ACC Blitz Rapid April 2024 | Rapid· Apr 13 – 14, 2024 | Apr 13 – 14, 2024 | Blitz | 6 | 1875 | 5 |
| 2024 Canadian Juniors Championship· Apr 3 – 14, 2024 | Apr 3 – 14, 2024 | Classical | 10 | 1808 | 6 |
| Marshall Chess Club FIDE Premier April 2024· Apr 12 – 14, 2024 | Apr 12 – 14, 2024 | Classical | 15 | 2020 | 11 |
Switzerland Team Championships SMM 2024 | NLA Switzerland SUI· Mar 10 – Apr 14, 2024 | Mar 10 – Apr 14, 2024 | Classical | 46 | 2282 | 24 |
| Austrian Women's Bundesliga 2023-2024· Mar 30 – Apr 14, 2024 | Mar 30 – Apr 14, 2024 | Classical | 18 | 2086 | 10 |
| 12. International Chess Seniors Cup at Tegernsee 2024· Apr 6 – 14, 2024 | Apr 6 – 14, 2024 | Classical | 33 | 2116 | 25 |
| Italian Team Championship 2024 | Playoffs· Apr 13 – 14, 2024 | Apr 13 – 14, 2024 | Classical | 19 | 2186 | 10 |
| Puerto Rican Championship 2024 | Open· Apr 6 – 14, 2024 | Apr 6 – 14, 2024 | Classical | 9 | 2019 | 16 |
| Oberliga Württemberg 2023-2024B?blingen, Germany· Apr 14, 2024 | Apr 14, 2024 | Classical | 32 | 2100 | 16 |
| Cyprus Closed Chess Championship 2024 | women· Mar 15 – Apr 14, 2024 | Mar 15 – Apr 14, 2024 | Classical | 10 | 1594 | 15 |
SonFlow Cup 2024 Kolding DEN· Apr 12 – 14, 2024 | Apr 12 – 14, 2024 | Classical | 12 | 2398 | 30 |
Sheffield Masters 2024 Sheffield ENG· Apr 10 – 14, 2024 | Apr 10 – 14, 2024 | Classical | 10 | 2225 | 39 |
| Campeonatos de Andalucía de Menores 2024· Apr 12 – 14, 2024 | Apr 12 – 14, 2024 | Classical | 85 | 1777 | 73 |
| Macro Regional A Durango 2024 Juegos Nacionales CONADE· Apr 12 – 14, 2024 | Apr 12 – 14, 2024 | Classical | 47 | 1763 | 33 |
| Kvalifisering til Eliteserien 2024-25Thon Hotell Linne· Apr 12 – 14, 2024 | Apr 12 – 14, 2024 | Classical | 17 | 2078 | 12 |
Sheffield Int Open 2024 Sheffield ENG· Apr 10 – 14, 2024 | Apr 10 – 14, 2024 | Classical | 18 | 1948 | 27 |
| We Akaa 2024· Apr 13 – 14, 2024 | Apr 13 – 14, 2024 | Classical | 16 | 1972 | 18 |
| Dalheimers Hus Rapid | OpenDalheimers Hus, Slottsskogsgatan 12, Gothenburg, Sweden· Apr 14, 2024 | Apr 14, 2024 | Rapid | 45 | 2093 | 51 |
12th Int Senioren-Cup Rottach-Egern GER· Apr 6 – 14, 2024 | Apr 6 – 14, 2024 | Classical | 172 | 1891 | 391 |
12. Int Senioren-Cup Rottach-Egern GER· Apr 6 – 14, 2024 | Apr 6 – 14, 2024 | Classical | 182 | 1905 | 418 |
| Luxembourg Individual Championship 2024 | Group A· Apr 7 – 13, 2024 | Apr 7 – 13, 2024 | Classical | 6 | 2150 | 5 |
1. Sheffield Masters and Open | Masters Sheffield ENG· Apr 10 – 13, 2024 | Apr 10 – 13, 2024 | Classical | 6 | 2306 | 5 |
| Indian National Team Chess Championship 2024 | OpenDharamshala, India· Mar 20 – Apr 13, 2024 | Mar 20 – Apr 13, 2024 | Blitz | 23 | 2161 | 15 |
55. Italian Teams Final Vasto ITA· Apr 13, 2024 | Apr 13, 2024 | Classical | 46 | 2410 | 45 |
| 1. Sheffield Masters and Open | MastersSheffield· Apr 13, 2024 | Apr 13, 2024 | Classical | 8 | 2288 | 6 |
| Luxembourg Individual Championship 2024 | Group B· Apr 7 – 13, 2024 | Apr 7 – 13, 2024 | Classical | 11 | 1930 | 9 |
| ACC Blitz Rapid April 2024 | Blitz· Apr 12 – 13, 2024 | Apr 12 – 13, 2024 | Blitz | 10 | 1808 | 11 |
| Flemish Championship 2024 | Open· Apr 7 – 13, 2024 | Apr 7 – 13, 2024 | Classical | 86 | 1820 | 138 |
55th Italian Teams Final Vasto ITA· Apr 13, 2024 | Apr 13, 2024 | Classical | 51 | 2351 | 49 |
TCh-CAT GpB Final 2024 Barcelona ESP· Mar 9 – Apr 13, 2024 | Mar 9 – Apr 13, 2024 | Classical | 118 | 2153 | 160 |
TCh-CAT GpA Final 2024 Barcelona ESP· Mar 9 – Apr 13, 2024 | Mar 9 – Apr 13, 2024 | Classical | 106 | 2253 | 121 |
| Italian Team Championship 2024 | Group A· Apr 8 – 12, 2024 | Apr 8 – 12, 2024 | Classical | 20 | 2417 | 16 |
| Flemish Championship 2024 | Closed· Apr 7 – 12, 2024 | Apr 7 – 12, 2024 | Classical | 17 | 2115 | 25 |
| 17. Open Tournament, by PAO Chess ClubLouka Mpellou 3, Menemeni, 115· Apr 12, 2024 | Apr 12, 2024 | Classical | 18 | 1695 | 9 |
55. Italian Teams GpB Vasto ITA· Apr 8 – 12, 2024 | Apr 8 – 12, 2024 | Classical | 45 | 2347 | 59 |
| Flemish Championship 2024 | Seniors· Apr 7 – 12, 2024 | Apr 7 – 12, 2024 | Classical | 30 | 1867 | 48 |
55. Italian Teams GpA Vasto ITA· Apr 8 – 12, 2024 | Apr 8 – 12, 2024 | Classical | 35 | 2387 | 45 |
| Italian Team Championship 2024 | Group B· Apr 8 – 12, 2024 | Apr 8 – 12, 2024 | Classical | 21 | 2425 | 14 |
55th Italian Teams GpA Vasto ITA· Apr 8 – 12, 2024 | Apr 8 – 12, 2024 | Classical | 42 | 2290 | 71 |
55th Italian Teams GpB Vasto ITA· Apr 8 – 12, 2024 | Apr 8 – 12, 2024 | Classical | 45 | 2327 | 68 |
| 9. Noisiel Open· Apr 6 – 11, 2024 | Apr 6 – 11, 2024 | Classical | 15 | 2327 | 13 |
| FICGS__CHESS__CLASS_C__000321FICGS· Apr 11, 2024 | Apr 11, 2024 | Classical | 7 | 1768 | 15 |
9. Noisiel Open 2024 Noisiel FRA· Apr 6 – 11, 2024 | Apr 6 – 11, 2024 | Classical | 45 | 2255 | 66 |
9th Noisiel Open 2024 Noisiel FRA· Apr 6 – 11, 2024 | Apr 6 – 11, 2024 | Classical | 42 | 2240 | 74 |
| Chinese Team Championship 2024 | womenQingdao, China· Apr 2 – 10, 2024 | Apr 2 – 10, 2024 | Blitz | 16 | 2042 | 10 |
| CHN Team Women 2024Qingdao, China· Apr 3 – 10, 2024 | Apr 3 – 10, 2024 | Blitz | 17 | 2003 | 11 |
| 13. All-African Games | Blitz Mixed Team· Mar 11 – Apr 10, 2024 | Mar 11 – Apr 10, 2024 | Blitz | 37 | 1968 | 92 |