| NYCC Romania 2026 - girls U16 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 16 |
| NYCC Romania 2026 - girls U14 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 22 |
| NYCC Romania 2026 - girls U12 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 23 |
| NYCC Romania 2026 - girls U10 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 29 |
| NYCC Romania 2026 - girls U8 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 28 |
| NYCC Romania 2026 - open U16 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 29 |
| NYCC Romania 2026 - open U14 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 40 |
| NYCC Romania 2026 - open U12 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 58 |
| NYCC Romania 2026 - open U10 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 64 |
| NYCC Romania 2026 - open U8 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 48 |
| 2026 Africa Juniors Individual Chess Championship - Blitz Open Section | 2026-08-31 2026-08-31 | Bujumbura Mairie · BDI | Blitz | 16 |
| 2026 Africa Juniors Individual Chess Championship - Blitz Girls Section | 2026-08-31 2026-08-31 | Bujumbura Mairie · BDI | Blitz | 13 |
| September Chess Meeting | 2026-08-31 2026-09-26 | Bucuresti · ROU | Classical | 6 |
| Sandnes Hostturnering i langsjakk 2026 September | 2026-08-31 2026-09-22 | Sandnes · NOR | Classical | 44 |
| Philippine National Children's Chess Championship 8U Girls | 2026-08-31 2026-09-02 | Alicia, Isabela · PHI | Classical | 7 |
| Philippine National Children's Chess Championship 8U Boys | 2026-08-31 2026-09-02 | Alicia, Isabela · PHI | Classical | 14 |
| Philippine National Children's Chess Championship 10U Boys | 2026-08-31 2026-09-02 | Alicia, Isabela · PHI | Classical | 15 |
| Philippine National Children's Chess Championship 10U Girls | 2026-08-31 2026-09-02 | Alicia, Isabela · PHI | Classical | 16 |
| Philippine National Children's Chess Championship 12U Girls | 2026-08-31 2026-09-02 | Alicia, Isabela · PHI | Classical | 14 |
| SUMMIT USJ MERDEKA BLITZ OPEN FIDE RATED | 2026-08-31 2026-08-31 | Subang Jaya,Selangor · MAS | Blitz | 92 |
| 2026 Karl Galli Cup | 2026-08-31 2026-08-31 | Canberra · AUS | Blitz | 32 |
| SK 1911s Hostturnering 2026 R 1-2 | 2026-08-31 2026-09-07 | Oslo · NOR | Classical | 16 |
| 3rd Ahooran Standard Cup 1405 | 2026-08-31 2026-09-06 | Tehran · IRI | Classical | 36 |
| Philippine National Children's Chess Championship 12U Boys | 2026-08-31 2026-09-02 | Alicia, Isabela · PHI | Classical | 25 |
| 2026 Philippine National Women's Invitational Chess Championship | 2026-08-31 2026-09-08 | Alicia, Isabela · PHI | Classical | 14 |
| IRT Sabatino Filosofia y Letras 1 | 2026-08-31 2026-08-31 | CHH, Chihuahua · MEX | Rapid | 39 |
| Promenade Chess Club - Independence Day Rapid 2026 | 2026-08-31 2026-08-31 | Trincity · TTO | Rapid | 19 |
| Tournoi de Revolution du Roi et du Peuple Classique 2026 | 2026-08-31 2026-09-05 | Marrakech · MAR | Classical | 6 |
| Goteborg Lag-DM 2026 R1-4 | 2026-08-31 2026-09-21 | Goteborg · SWE | Classical | 163 |
| USSS Mandagsblixt 151 | 2026-08-31 2026-08-31 | Uppsala · SWE | Blitz | 4 |
| Rapid Tournament of Bahruz Chess Club, 2026, N34 | 2026-08-31 2026-08-31 | Baku · AZE | Rapid | 11 |
| Youth Moscow Champ. 2 semifinal 2026 Blitz | 2026-08-31 2026-08-31 | Moscow · RUS | Blitz | 47 |
| Voronezh Region Girls 17 Championship Rapid 2026 | 2026-08-31 2026-08-31 | Voronezh · RUS | Rapid | 9 |
| Voronezh Region Boys 17 Championship Rapid 2026 | 2026-08-31 2026-08-31 | Voronezh · RUS | Rapid | 18 |
| Voronezh Region Boys 15 Championship Rapid 2026 | 2026-08-31 2026-08-31 | Voronezh · RUS | Rapid | 28 |
| Voronezh Region Boys 13 Championship Rapid 2026 | 2026-08-31 2026-08-31 | Voronezh · RUS | Rapid | 23 |
| Gurman 2026 - 35 | 2026-08-31 2026-08-31 | Maribor · SLO | Blitz | 41 |
| Molde Hurtigsjakk 1 host 2026 | 2026-08-31 2026-08-31 | Molde · NOR | Rapid | 15 |
| "International Chess tournament by Green Hills Resort" Open Blitz | 2026-08-31 2026-08-31 | TASHKENT Region · UZB | Blitz | 164 |
| Caissa hostturnering 2026 A R 1-4 | 2026-08-31 2026-09-21 | Sandefjjord · NOR | Classical | 13 |
| "International Chess tournament by Green Hills Resort" Masters Blitz | 2026-08-31 2026-08-31 | TASHKENT Region · UZB | Blitz | 8 |
| Rostovchessclub Championship - 2026 | 2026-08-31 2026-09-18 | Rostov-on-Don · RUS | Classical | 42 |
| Lillestrom-Hurtig-Aug-2026 | 2026-08-31 2026-08-31 | Lillestrom · NOR | Rapid | 25 |
| Toender Byturnering 2026 - Niels Falsigs Mindeturnering Round 1-4 | 2026-08-31 2026-09-28 | Toender · DEN | Classical | 16 |
| Naestved Hoest 2026 - 1 Round 1-4 | 2026-08-31 2026-09-28 | Naestved · DEN | Classical | 21 |
| NYCC Romania 2026 - open U18 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 25 |
| NYCC Romania 2026 - open U20 - teams | 2026-08-31 2026-09-03 | Mamaia · ROU | Classical | 19 |
| Gaziantep Metropolitan Municipality 1st International Gazi Open Chess Tournament - C Category | 2026-08-31 2026-09-06 | Gaziantep · TUR | Classical | 174 |
| Gaziantep Metropolitan Municipality 1st International Gazi Open Chess Tournament - B Category | 2026-08-31 2026-09-06 | Gaziantep · TUR | Classical | 81 |
| Gaziantep Metropolitan Municipality 1st International Gazi Open Chess Tournament - A Category | 2026-08-31 2026-09-06 | Gaziantep · TUR | Classical | 81 |