SixDays Budapest IMA Mar Budapest HUN· Mar 24 – 29, 2025 | Mar 24 – 29, 2025 | Classical | 10 | 2229 | 43 |
SixDays Budapest GMB Mar Budapest HUN· Mar 24 – 29, 2025 | Mar 24 – 29, 2025 | Classical | 10 | 2399 | 43 |
18th Agzamov Mem 2025 Tashkent UZB· Mar 20 – 29, 2025 | Mar 20 – 29, 2025 | Classical | 77 | 2351 | 132 |
| 18. Tashkent Open - Agzamov Memorial | Group B· Mar 20 – 29, 2025 | Mar 20 – 29, 2025 | Blitz | 52 | 1796 | 45 |
SixDays Budapest IMC Mar Budapest HUN· Mar 24 – 29, 2025 | Mar 24 – 29, 2025 | Classical | 10 | 2123 | 39 |
SixDays Budapest GMA Mar Budapest HUN· Mar 24 – 29, 2025 | Mar 24 – 29, 2025 | Classical | 10 | 2318 | 42 |
SixDays Budapest IMB Mar Budapest HUN· Mar 24 – 29, 2025 | Mar 24 – 29, 2025 | Classical | 10 | 2238 | 38 |
| FIDE World School Chess Championships 2025 | G13· Mar 20 – 28, 2025 | Mar 20 – 28, 2025 | Blitz | 15 | 1721 | 20 |
| FIDE World School Chess Championships 2025 | G17· Feb 16 – Mar 28, 2025 | Feb 16 – Mar 28, 2025 | Blitz | 20 | 1833 | 19 |
18. Agzamov Mem 2025 Tashkent UZB· Mar 20 – 28, 2025 | Mar 20 – 28, 2025 | Classical | 36 | 2425 | 25 |
| FIDE World School Chess Championships 2025 | O11· Mar 20 – 28, 2025 | Mar 20 – 28, 2025 | Blitz | 24 | 1841 | 21 |
| FIDE World School Chess Championships 2025 | O17· Mar 20 – 28, 2025 | Mar 20 – 28, 2025 | Blitz | 25 | 2000 | 31 |
| FIDE World School Chess Championships 2025 | O13· Jan 19 – Mar 28, 2025 | Jan 19 – Mar 28, 2025 | Blitz | 26 | 2006 | 27 |
| FIDE World School Chess Championships 2025 | O15· Mar 19 – 28, 2025 | Mar 19 – 28, 2025 | Blitz | 27 | 1996 | 28 |
World Schools U17 2025 Vrnjacka Banja SRB· Mar 20 – 28, 2025 | Mar 20 – 28, 2025 | Classical | 27 | 1982 | 71 |
40. ChessOrg Open Bad Woerishofen GER· Mar 21 – 27, 2025 | Mar 21 – 27, 2025 | Classical | 48 | 2204 | 64 |
| FIDE World School Chess Championships 2025 | G15· Mar 20 – 27, 2025 | Mar 20 – 27, 2025 | Blitz | 18 | 1879 | 21 |
40th ChessOrg Open Bad Woerishofen GER· Mar 21 – 27, 2025 | Mar 21 – 27, 2025 | Classical | 44 | 2173 | 58 |
| FIDE World School Chess Championships 2025 | G11· Mar 20 – 26, 2025 | Mar 20 – 26, 2025 | Blitz | 10 | 1746 | 8 |
| European Championship 2025· Mar 15 – 26, 2025 | Mar 15 – 26, 2025 | Classical | 226 | 2446 | 329 |
25. ch-EUR Indiv 2025 Eforie Nord ROU· Mar 15 – 26, 2025 | Mar 15 – 26, 2025 | Classical | 328 | 2274 | 1,137 |
25th ch-EUR Indiv 2025 Eforie Nord ROU· Mar 15 – 26, 2025 | Mar 15 – 26, 2025 | Classical | 364 | 2285 | 1,891 |
| 3. IRT do GM MilosBridge Clube· Mar 11 – 25, 2025 | Mar 11 – 25, 2025 | Classical | 24 | 1652 | 27 |
Winnipeg TNT 2025.03 Winnipeg CAN· Mar 4 – 25, 2025 | Mar 4 – 25, 2025 | Classical | 15 | 1770 | 18 |
| Colombia Festival Nacional Escolar | Blitz Sub-17 Fem· Mar 24, 2025 | Mar 24, 2025 | Blitz | 13 | 1646 | 12 |
Ste-Foy 4 2024-25 Sainte-Foy CAN· Mar 3 – 24, 2025 | Mar 3 – 24, 2025 | Classical | 8 | 1407 | 6 |
| FIDE Women's Grand Prix 2024-25 | NicosiaNicosia, Cyprus· Mar 15 – 24, 2025 | Mar 15 – 24, 2025 | Blitz | 9 | 2490 | 15 |
| FICGS__CHESS__RAPID_M__000166FICGS· Mar 24, 2025 | Mar 24, 2025 | Classical | 6 | 2265 | 10 |
| Nikosia WGP 2025Nicosia, Cyprus· Mar 18 – 24, 2025 | Mar 18 – 24, 2025 | Blitz | 7 | 2475 | 6 |
| German Bundesliga 2024-25Hamburg, Germany· Jan 11 – Mar 24, 2025 | Jan 11 – Mar 24, 2025 | Blitz | 35 | 2530 | 20 |
Menchik Memorial 10th London ENG· Mar 20 – 24, 2025 | Mar 20 – 24, 2025 | Classical | 10 | 2293 | 45 |
| 23. Open Championship of ESSKEDYM 2025 A· Mar 21 – 24, 2025 | Mar 21 – 24, 2025 | Classical | 43 | 1994 | 62 |
| Colombia Festival Nacional Escolar | Blitz Sub-17 Abs· Mar 24, 2025 | Mar 24, 2025 | Blitz | 20 | 1700 | 28 |
| Colombia Festival Nacional Escolar | Blitz Sub-15 Abs· Mar 24, 2025 | Mar 24, 2025 | Blitz | 37 | 1676 | 66 |
American Cup Blitz 2025 Saint Louis USA· Mar 24, 2025 | Mar 24, 2025 | Blitz | 33 | 2562 | 75 |
10th Menchik Mem 2025 London ENG· Mar 20 – 24, 2025 | Mar 20 – 24, 2025 | Classical | 10 | 2293 | 9 |
Bundesliga 2024-25 Muelheim GER· Mar 23 – 24, 2025 | Mar 23 – 24, 2025 | Classical | 34 | 2466 | 30 |
Bundesliga 2024-25 Bad Mergentheim GER· Jan 11 – Mar 24, 2025 | Jan 11 – Mar 24, 2025 | Classical | 54 | 2493 | 65 |
Bundesliga 2024-25 Hamburg GER· Jan 11 – Mar 24, 2025 | Jan 11 – Mar 24, 2025 | Classical | 81 | 2489 | 77 |
| ACC Summer Cup 2025Auckland, New Zealand· Feb 10 – Mar 24, 2025 | Feb 10 – Mar 24, 2025 | Blitz | 21 | 1840 | 14 |
Nikosia WGP 2025 Nicosia CYP· Mar 15 – 24, 2025 | Mar 15 – 24, 2025 | Classical | 10 | 2483 | 45 |
| Punta del Este 2025 | Rapid· Mar 19 – 24, 2025 | Mar 19 – 24, 2025 | Rapid | 35 | 2182 | 60 |
| Colombia Festival Nacional Escolar | Sub-13 AbsolutoArmenia, Colombia· Mar 21 – 23, 2025 | Mar 21 – 23, 2025 | Blitz | 7 | 1658 | 5 |
| Colombia Festival Nacional Escolar | Sub-17 FemeninoArmenia, Colombia· Mar 21 – 23, 2025 | Mar 21 – 23, 2025 | Blitz | 13 | 1761 | 14 |
| Colombia Festival Nacional Escolar | Sub-15 FemeninoArmenia, Colombia· Mar 21 – 23, 2025 | Mar 21 – 23, 2025 | Blitz | 11 | 1650 | 6 |
| 14º Aberto do Brasil Memorial Bobby Fischer 2025Joao Pessoa PB, Brazil· Mar 21 – 23, 2025 | Mar 21 – 23, 2025 | Blitz | 11 | 2119 | 8 |
| Auckland Double Weekends 2025 | MarchAuckland, New Zealand· Mar 7 – 23, 2025 | Mar 7 – 23, 2025 | Blitz | 18 | 1806 | 22 |
| Colombia Festival Nacional Escolar | Sub-17 AbsolutoArmenia, Colombia· Mar 21 – 23, 2025 | Mar 21 – 23, 2025 | Blitz | 21 | 1742 | 19 |
| Indian Rapid and Blitz Championship 2024-25 | Blitz· Mar 23, 2025 | Mar 23, 2025 | Blitz | 60 | 2170 | 59 |
| 2025 AGCA Championship | Spring Edition· Mar 22 – 23, 2025 | Mar 22 – 23, 2025 | Blitz | 20 | 1973 | 11 |