| Sallskapets Hostturnering 2026 GrpB R45 | 2026-10-06
2026-10-20 | Stockholm · SWE | Classical | 10 |
| Sallskapets Hostturnering 2026 GrpA R45 | 2026-10-06
2026-10-20 | Stockholm · SWE | Classical | 10 |
| KSU 5. Dagturnering 2026 - 1 Round 1-3 | 2026-10-06
2026-10-27 | Copenhagen · DEN | Classical | 12 |
| 3rd Isfahan Team Chess Championship 1405 Round 5-8 | 2026-10-06
2026-10-09 | Isfahan · IRI | Classical | 81 |
| ProCivitas Open 2026 R1-3 | 2026-10-06
2026-10-20 | Vaxjo · SWE | Classical | 20 |
| Uppsala SSS KM 2026 Klass 2 R1-2 | 2026-10-06
2026-10-20 | Uppsala · SWE | Classical | 14 |
| Uppsala SSS KM 2026 Klass 1 R1-2 | 2026-10-06
2026-10-20 | Uppsala · SWE | Classical | 13 |
| LASK OPEN 2026 Grupp 2 R3-4 | 2026-10-06
2026-10-20 | Lund · SWE | Classical | 8 |
| Stjernens Hostturnering 2026 R 5-8 | 2026-10-06
2026-10-27 | Oslo · NOR | Classical | 41 |
| KSU 5. Dagturnering 2026 - 2 Round 1-3 | 2026-10-06
2026-10-27 | Copenhagen · DEN | Classical | 12 |
| CCC Tuesday Night Action 136 - U1300 | 2026-10-06
2026-10-27 | Charlotte, NC · USA | Rapid | 32 |
| CCC Tuesday Night Action 136 - U1600 | 2026-10-06
2026-10-27 | Charlotte, NC · USA | Classical | 24 |
| CCC Tuesday Night Action 136 - Top | 2026-10-06
2026-10-27 | Charlotte, NC · USA | Classical | 56 |
| Viby Efteraar 2026 - Begynder Round 4-5 | 2026-10-06
2026-10-20 | Viby · DEN | Classical | 8 |
| Viby Efteraar 2026 - 3 Round 4-5 | 2026-10-06
2026-10-20 | Viby · DEN | Classical | 14 |
| Viby Efteraar 2026 - 2 Round 4-5 | 2026-10-06
2026-10-20 | Viby · DEN | Classical | 8 |
| Viby Efteraar 2026 - 1 Round 4-5 | 2026-10-06
2026-10-20 | Viby · DEN | Classical | 8 |
| Zot en Boer 2026 Round 2 | 2026-10-06
2026-10-06 | Herentals · BEL | Classical | 30 |
| Etuna KM 2026 std R123 | 2026-10-06
2026-10-20 | Eskilstuna · SWE | Classical | 9 |
| City of Bangor Rapid Congress 2026 | 2026-10-06
2026-10-27 | City of Bangor International Chess Club, 30 Main Street, Groomsport, County Down, BT19 6JR · IRL | Rapid | 41 |
| 2026 Hobsons Bay Club Championship Rounds 1-4 | 2026-10-06
2026-10-27 | Melbourne · AUS | Classical | 8 |
| 2026 Hobsons Bay Reserves Championship Rounds 1-4 | 2026-10-06
2026-10-27 | Melbourne · AUS | Classical | 20 |
| Muswell Hill FIDE Rapid - 6 October 2026 | 2026-10-06
2026-10-06 | London N2 · ENG | Rapid | 13 |
| Muswell Hill FIDE Standard - 6 October 2026 | 2026-10-06
2026-10-06 | London N2 · ENG | Classical | 13 |
| Serija "Ponedeljkov fide izziv"-10 | 2026-10-05
2026-10-05 | Piran · SLO | Blitz | 14 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U19 Open (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 7 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U19 Girls (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 6 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U17 Open (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 12 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U17 Girls (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 10 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U15 Open (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 25 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U15 Girls (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 15 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U13 Open (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 31 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U13 Girls (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 24 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U11 Open (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 35 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U11 Girls (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 18 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U9 Open (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 40 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U9 Girls (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 25 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U7 Open (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 24 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U7 Girls (Rapid) | 2026-10-05
2026-10-05 | Kuala Lumpur · MAS | Rapid | 21 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U9 Open (Standard) | 2026-10-05
2026-10-11 | Kuala Lumpur · MAS | Classical | 39 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U9 Girls (Standard) | 2026-10-05
2026-10-11 | Kuala Lumpur · MAS | Classical | 26 |
| All-Russian Rapid Chess Tournament for the Hearing Impaired, marking the 100th anniversary of the All-Russian Society of the Deaf. | 2026-10-05
2026-10-05 | Moscow · RUS | Rapid | 27 |
| OBRO Forhjul 2026 - 4 Round 1-2 | 2026-10-05
2026-10-19 | Copenhagen · DEN | Classical | 4 |
| OBRO Forhjul 2026 - 3 Round 1-2 | 2026-10-05
2026-10-19 | Copenhagen · DEN | Classical | 6 |
| OBRO Forhjul 2026 - 2 Round 1-2 | 2026-10-05
2026-10-19 | Copenhagen · DEN | Classical | 6 |
| OBRO Forhjul 2026 - 1 Round 1-2 | 2026-10-05
2026-10-19 | Copenhagen · DEN | Classical | 5 |
| TURKMENISTAN CHAMPIONSHIP 2 liga ( Mary) Women | 2026-10-05
2026-10-09 | Mary · TKM | Classical | 39 |
| TURKMENISTAN CHAMPIONSHIP 2 liga ( Mary) Open | 2026-10-05
2026-10-09 | Mary · TKM | Classical | 63 |
| TURKMENISTAN CHAMPIONSHIP 2 liga ( Dashoguz) Women | 2026-10-05
2026-10-09 | Dashoguz · TKM | Classical | 12 |
| TURKMENISTAN CHAMPIONSHIP 2 liga ( Dashoguz) Open | 2026-10-05
2026-10-09 | Dashoguz · TKM | Classical | 28 |