| 2025 South Carolina Scholastic Chess Championship· Mar 11 – 22, 2025 | Mar 11 – 22, 2025 | Classical | 14 | 1818 | 10 |
| 2025 Tenerife Youth Championship | U18· Mar 19 – 22, 2025 | Mar 19 – 22, 2025 | Blitz | 5 | 1865 | 7 |
Budapest One Week March | GM B Budapest HUN· Mar 17 – 22, 2025 | Mar 17 – 22, 2025 | Blitz | 13 | 2405 | 18 |
13. Pilsen B IM 2025 Plzen CZE· Mar 15 – 22, 2025 | Mar 15 – 22, 2025 | Classical | 9 | 2228 | 34 |
| Thessaloniki-Chalkidiki School Championship 2025 | Day 1· Mar 22, 2025 | Mar 22, 2025 | Blitz | 53 | 1690 | 51 |
| 2025 Tenerife Youth Championship | U16· Mar 19 – 22, 2025 | Mar 19 – 22, 2025 | Blitz | 6 | 1775 | 5 |
Budapest One Week March | GM A Budapest HUN· Mar 17 – 22, 2025 | Mar 17 – 22, 2025 | Blitz | 10 | 2393 | 15 |
Budapest One Week March | IM A Budapest HUN· Mar 17 – 22, 2025 | Mar 17 – 22, 2025 | Blitz | 10 | 2251 | 18 |
13th Pilsen A GM 2025 Plzen CZE· Mar 15 – 22, 2025 | Mar 15 – 22, 2025 | Classical | 9 | 2386 | 34 |
13. Pilsen A GM 2025 Plzen CZE· Mar 15 – 22, 2025 | Mar 15 – 22, 2025 | Classical | 10 | 2398 | 43 |
Budapest 1 Week Mar IMA Budapest HUN· Mar 17 – 22, 2025 | Mar 17 – 22, 2025 | Classical | 10 | 2251 | 38 |
Budapest 1 Week Mar GMA Budapest HUN· Mar 17 – 22, 2025 | Mar 17 – 22, 2025 | Classical | 10 | 2393 | 41 |
13th Pilsen B IM 2025 Plzen CZE· Mar 15 – 22, 2025 | Mar 15 – 22, 2025 | Classical | 10 | 2112 | 40 |
Budapest 1 Week Mar GMB Budapest HUN· Mar 17 – 22, 2025 | Mar 17 – 22, 2025 | Classical | 11 | 2327 | 40 |
Budapest 1 Week Mar IMB Budapest HUN· Mar 17 – 22, 2025 | Mar 17 – 22, 2025 | Classical | 10 | 2261 | 42 |
| Indian Rapid and Blitz Championship 2024-25 | Rapid· Mar 21 – 22, 2025 | Mar 21 – 22, 2025 | Blitz | 36 | 2375 | 36 |
Budapest One Week March | IM B Budapest HUN· Mar 18 – 22, 2025 | Mar 18 – 22, 2025 | Blitz | 10 | 2261 | 23 |
ch-IND Rapid 2025 Jharkhand IND· Mar 20 – 22, 2025 | Mar 20 – 22, 2025 | Rapid | 69 | 2093 | 107 |
Match GM Igor Kovalenko - GM Martyn Kravtsiv Lvov UKR· Mar 20 – 21, 2025 | Mar 20 – 21, 2025 | Classical | 2 | 2636 | 12 |
297. YMCA Winter B 2025 Warsaw POL· Jan 9 – Mar 21, 2025 | Jan 9 – Mar 21, 2025 | Classical | 12 | 1785 | 28 |
Kovalenko-Kravtsiv Blitz Lviv UKR· Mar 20 – 21, 2025 | Mar 20 – 21, 2025 | Blitz | 2 | 2636 | 8 |
| Keshmat Spring Festival 2025Keshmat, Lebanon· Mar 13 – 21, 2025 | Mar 13 – 21, 2025 | Blitz | 18 | 1784 | 16 |
296. YMCA Winter A 2025 Warsaw POL· Jan 10 – Mar 21, 2025 | Jan 10 – Mar 21, 2025 | Classical | 12 | 1966 | 66 |
American Cup Elim women Saint Louis USA· Mar 17 – 21, 2025 | Mar 17 – 21, 2025 | Classical | 7 | 2328 | 14 |
American Cup Elim Saint Louis USA· Mar 17 – 21, 2025 | Mar 17 – 21, 2025 | Classical | 7 | 2710 | 22 |
| Punta del Este 2025 | Blitz· Mar 19 – 21, 2025 | Mar 19 – 21, 2025 | Blitz | 38 | 2167 | 85 |
297th YMCA Winter B 2025 Warsaw POL· Jan 9 – Mar 21, 2025 | Jan 9 – Mar 21, 2025 | Classical | 11 | 1760 | 25 |
296th YMCA Winter A 2025 Warsaw POL· Jan 10 – Mar 21, 2025 | Jan 10 – Mar 21, 2025 | Classical | 11 | 1975 | 55 |
| FICGS__CHESS__CLASS_M__000152FICGS· Mar 21, 2025 | Mar 21, 2025 | Classical | 5 | 2301 | 5 |
| Indian Rapid Championship 2024-25· Mar 20, 2025 | Mar 20, 2025 | Rapid | 32 | 2142 | 19 |
Magistral Punta del Este Punta del Este URU· Mar 14 – 20, 2025 | Mar 14 – 20, 2025 | Classical | 6 | 2496 | 30 |
Satranc Arena IM Chess 13 Izmir TUR· Mar 16 – 20, 2025 | Mar 16 – 20, 2025 | Classical | 10 | 2238 | 44 |
Montcalm 5 2024-25 Quebec CAN· Feb 20 – Mar 20, 2025 | Feb 20 – Mar 20, 2025 | Classical | 38 | 1735 | 49 |
| Marshall Masters 2025 | March· Mar 19, 2025 | Mar 19, 2025 | Classical | 11 | 2184 | 8 |
14th Blondes vs Brunettes Moscow RUS· Mar 19, 2025 | Mar 19, 2025 | Classical | 19 | 2188 | 90 |
Mercredi 2025.02.19 ABCD Montreal CAN· Feb 19 – Mar 19, 2025 | Feb 19 – Mar 19, 2025 | Classical | 27 | 1916 | 64 |
14. Blondes vs Brunettes Moscow RUS· Mar 19, 2025 | Mar 19, 2025 | Classical | 19 | 2194 | 90 |
| Asian Zonal Chess Championship 2025 - Zone 3.2 | Open· Mar 12 – 18, 2025 | Mar 12 – 18, 2025 | Classical | 20 | 2114 | 31 |
| Asian Zonal Chess Championship 2025 - Zone 3.2 | women· Mar 11 – 18, 2025 | Mar 11 – 18, 2025 | Classical | 11 | 1911 | 13 |
| FICGS__CHESS__RAPID_C__000308FICGS· Mar 18, 2025 | Mar 18, 2025 | Classical | 6 | 1741 | 10 |
Asian Zonal zt 3.2 2025 Colombo SRI· Mar 11 – 18, 2025 | Mar 11 – 18, 2025 | Classical | 26 | 2081 | 51 |
3rd Int Women 2025 Samarkand UZB· Mar 9 – 18, 2025 | Mar 9 – 18, 2025 | Classical | 38 | 2112 | 118 |
| FICGS__CHESS__RAPID_B__000401FICGS· Mar 18, 2025 | Mar 18, 2025 | Classical | 7 | 1837 | 11 |
| Semifinals of the Classical Championship of the Republic of Kazakhstan | women· Mar 5 – 17, 2025 | Mar 5 – 17, 2025 | Blitz | 26 | 1838 | 35 |
| Campeonato Regional Individual Absoluto y Femenino MURCIA 2025· Jan 18 – Mar 17, 2025 | Jan 18 – Mar 17, 2025 | Blitz | 26 | 1915 | 17 |
| FICGS__CHESS__CLASS_A__000288FICGS· Mar 17, 2025 | Mar 17, 2025 | Classical | 4 | 2256 | 5 |
| Nauryz Blitz Tournament 2025· Mar 17, 2025 | Mar 17, 2025 | Blitz | 68 | 2088 | 86 |
| Semifinals of the Classical Championship of the Republic of Kazakhstan | Open· Mar 8 – 17, 2025 | Mar 8 – 17, 2025 | Blitz | 39 | 2110 | 39 |
| Chess Masters Mongolia 2025· Mar 13 – 16, 2025 | Mar 13 – 16, 2025 | Blitz | 11 | 1979 | 7 |
| German Women's Bundesliga 2024-25Loeberitz, Germany· Mar 15 – 16, 2025 | Mar 15 – 16, 2025 | Blitz | 15 | 2129 | 8 |