| Golders Green FIDE Rapidplay - October 2026 - Open | 2026-10-10
2026-10-10 | London · ENG | Rapid | 16 |
| Memorial Ianioglo - 2026 | 2026-10-09
2026-10-11 | Comrat · MDA | Classical | 101 |
| Jhenaidah District Rapid Chess Tournament 2026 | 2026-10-09
2026-10-09 | Jhenaidah · BAN | Rapid | 18 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U9 Open (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 40 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U9 Girls (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 26 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U19 Girls (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 6 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U19 Open (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 6 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U17 Girls (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 9 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U17 Open (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 9 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U15 Girls (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 15 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U15 Open (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 24 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U13 Girls (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 23 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U13 Open (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 31 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U11 Girls (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 12 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U11 Open (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 37 |
| Poltava region chess championship in memory of V. Oliynyk 2026 | 2026-10-09
2026-10-12 | Poltava, Poltava region · UKR | Classical | 5 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U7 Open (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 24 |
| Open Ultima Speed by ASOP Dias Oct 2026 Rapid F2 | 2026-10-09
2026-10-09 | Athens · GRE | Rapid | 12 |
| Open Ultima Speed by ASOP Dias Oct 2026 Rapid F1 | 2026-10-09
2026-10-09 | Athens · GRE | Rapid | 6 |
| Open Ultima Speed by ASOP Dias Oct 2026 Blitz F2 | 2026-10-09
2026-10-09 | Petroupoli · GRE | Blitz | 11 |
| Open Ultima Speed by ASOP Dias Oct 2026 Blitz F1 | 2026-10-09
2026-10-09 | Petroupoli · GRE | Blitz | 8 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U7 Girls (Blitz) | 2026-10-09
2026-10-09 | Kuala Lumpur · MAS | Blitz | 20 |
| Almafraq Club Rapid Chess Tournament 2026 | 2026-10-09
2026-10-09 | Amman · JOR | Rapid | 79 |
| IRCF Weekly Rapid Chess Tournament 17 Mehr 1405 | 2026-10-09
2026-10-09 | Tehran · IRI | Rapid | 157 |
| 23rd Kermanshah Weekly Rapid Chess Tournament Mehr 1405 | 2026-10-09
2026-10-09 | Kermanshah · IRI | Rapid | 14 |
| Lorestan Rapid 17 Mehr 1405 | 2026-10-09
2026-10-09 | Khorramabad · IRI | Rapid | 81 |
| Alborz Rapid Cup 17 Mehr 1405 | 2026-10-09
2026-10-09 | Alborz · IRI | Rapid | 40 |
| Dr. Qazi Motahar Hossain International Rating Chess Tournament Club League 2026 Kushtia | 2026-10-09
2026-10-10 | Kushtia · BAN | Classical | 40 |
| Championnat National Individuel - OPEN MIXTE 2026 | 2026-10-09
2026-10-11 | Yaounde · CMR | Classical | 39 |
| National Female Championship 2026 | 2026-10-09
2026-10-25 | Willemstad · CUR | Classical | 11 |
| Hamedan Weekly Rapid Cup- 17 Mehr 1405 | 2026-10-09
2026-10-09 | Hamedan · IRI | Rapid | 30 |
| 10 th Hormozgan Weekly Rapid 17 Mehr 1405 | 2026-10-09
2026-10-09 | Bandar Abbas · IRI | Rapid | 56 |
| Tabriz Rapid Team Chess Tournament 17 Mehr 1405 | 2026-10-09
2026-10-09 | Tabriz · IRI | Rapid | 78 |
| 13th WA Rapid chess Tournament (Mehr Cup) | 2026-10-09
2026-10-09 | Urmia · IRI | Rapid | 53 |
| Mashhad Rapid 17 Mehr 1405 | 2026-10-09
2026-10-09 | Mashhad · IRI | Rapid | 135 |
| Shahrood City Thinkers Rapid Chess Tournament 17 Mehr 1405 | 2026-10-09
2026-10-09 | Shahrood · IRI | Rapid | 30 |
| Philippine National Chess Championship Elimination - Visayas Leg Women's Division | 2026-10-09
2026-10-11 | GMall of Cebu White Gold Center, Cebu City · PHI | Classical | 26 |
| Philippine National Chess Championship Elimination - Visayas Leg Men's Division | 2026-10-09
2026-10-11 | GMall of Cebu White Gold Center, Cebu City · PHI | Classical | 61 |
| Riyadh Chess Ladies Tournament 2026-10-9 | 2026-10-09
2026-10-09 | Riyadh · KSA | Rapid | 19 |
| Campeonato Uruguayo Amateur 2026 | 2026-10-09
2026-10-12 | Punta del Este · URU | Classical | 31 |
| Mini Open RPD FIDE CXSP 2026 - 41a Etapa | 2026-10-09
2026-10-09 | Sao Paulo SP · BRA | Rapid | 22 |
| 20ste OMC Ronde 1 | 2026-10-09
2026-10-09 | Maasmechelen - Stokkem · BEL | Classical | 25 |
| Golden Nine Rapid U1800 10 2026 | 2026-10-09
2026-10-09 | Giza · EGY | Rapid | 24 |
| Golden Knight Rapid Chess Open 10 2026 | 2026-10-09
2026-10-09 | Giza · EGY | Rapid | 18 |
| Rokh Rapid Chess Tournament 1405 | 2026-10-09
2026-10-09 | Yasouj · IRI | Rapid | 39 |
| Gilan League Rapid - Final 1404 | 2026-10-09
2026-10-09 | Rasht · IRI | Rapid | 105 |
| 5nd Ahouran Rapid Rated Team Cup 1405 | 2026-10-09
2026-10-09 | Tehran · IRI | Rapid | 56 |
| 11th KishMate Academy Rapid Rated Chess Tournament Nowshahr | 2026-10-09
2026-10-09 | Nowshahr · IRI | Rapid | 43 |
| Beirut Chess Club October Rapid 2026 | 2026-10-09
2026-10-09 | beirut · LBN | Rapid | 38 |
| GRAND PRIX POLONII WROCLAW 2026 - turniej nr 38 | 2026-10-09
2026-10-09 | Wroclaw · POL | Rapid | 46 |