| XVIII Turniej kolowy Spoldzielni Mieszkaniowej Baltyk Round 4-7 | 2026-10-07
2026-10-28 | Gdynia · POL | Classical | 10 |
| Kristianstads Morotsschack 2026 R23 | 2026-10-07
2026-10-21 | Kristianstad · SWE | Classical | 8 |
| Kazakhstan Blitz Championship 2026 Women | 2026-10-07
2026-10-07 | Karaganda · KAZ | Blitz | 22 |
| Kazakhstan Blitz Championship 2026 Men | 2026-10-07
2026-10-07 | Karaganda · KAZ | Blitz | 63 |
| Gruenwald Autumn Blitz 26 Stage 06 | 2026-10-07
2026-10-07 | Kaunas · LTU | Blitz | 8 |
| Majornas KM Hosten 2026 R3-4 | 2026-10-07
2026-10-21 | Goteborg · SWE | Classical | 16 |
| II Obert Memorial Albert Cubeles Grup B Rondas 2-5 | 2026-10-07
2026-10-28 | Barcelona · ESP | Classical | 61 |
| II Obert Memorial Albert Cubeles Grup A Rondas 2-5 | 2026-10-07
2026-10-28 | Barcelona · ESP | Classical | 49 |
| Karlsruher Feierabend Schnellschach Oktober 2026 | 2026-10-07
2026-10-07 | Karlsruhe · GER | Rapid | 6 |
| Clasico Queretaro XVIII R 9 | 2026-10-07
2026-10-07 | QRO, Queretaro · MEX | Classical | 34 |
| Seniorserien HT-2026 Klass 1 Okt | 2026-10-07
2026-10-21 | Stockho3m · SWE | Classical | 11 |
| Toni Baric's Vandringspris R6-7 | 2026-10-07
2026-10-14 | Boras · SWE | Classical | 11 |
| Nexchess International Open Fide Rating Chess tournament | 2026-10-07
2026-10-11 | Delhi · IND | Classical | 451 |
| Deutsche Laendermeisterschaft 2026 | 2026-10-07
2026-10-12 | Duderstadt · GER | Classical | 156 |
| Wiener Betriebsmeisterschaft 2026-2027 2. Klasse B Round 1-2 | 2026-10-07
2026-10-21 | Vienna · AUT | Classical | 68 |
| Wiener Betriebsmeisterschaft 2026-2027 2. Klasse A Round 1-2 | 2026-10-07
2026-10-21 | Vienna · AUT | Classical | 87 |
| Wiener Betriebsmeisterschaft 2026-2027 C-Liga Round 1-2 | 2026-10-07
2026-10-21 | Vienna · AUT | Classical | 87 |
| Wiener Betriebsmeisterschaft 2026-2027 A-Liga Round 1-2 | 2026-10-07
2026-10-21 | Vienna · AUT | Classical | 63 |
| Nordwestschweizer Einzelmeisterschaft Kat B 2026 Round 4-5 | 2026-10-07
2026-10-21 | Therwil · SUI | Classical | 33 |
| Nordwestschweizer Einzelmeisterschaft Kat A 2026 Round 4-5 | 2026-10-07
2026-10-21 | Therwil · SUI | Classical | 23 |
| Nordwestschweizer Einzelmeisterschaft Kat M 2026 Round 4-5 | 2026-10-07
2026-10-21 | Therwil · SUI | Classical | 8 |
| CCC Wednesday Action Quads 202 - G | 2026-10-07
2026-10-07 | Charlotte, NC · USA | Rapid | 4 |
| CCC Wednesday Action Quads 202 - F | 2026-10-07
2026-10-07 | Charlotte, NC · USA | Rapid | 4 |
| CCC Wednesday Action Quads 202 - E | 2026-10-07
2026-10-07 | Charlotte, NC · USA | Rapid | 4 |
| CCC Wednesday Action Quads 202 - D | 2026-10-07
2026-10-07 | Charlotte, NC · USA | Rapid | 4 |
| CCC Wednesday Action Quads 202 - C | 2026-10-07
2026-10-07 | Charlotte, NC · USA | Rapid | 4 |
| CCC Wednesday Action Quads 202 - B | 2026-10-07
2026-10-07 | Charlotte, NC · USA | Rapid | 4 |
| CCC Wednesday Action Quads 202 - A | 2026-10-07
2026-10-07 | Charlotte, NC · USA | Rapid | 4 |
| Alssund Klubmesterskab 2026 Round 4-6 | 2026-10-07
2026-10-28 | Sonderborg · DEN | Classical | 16 |
| Pion Aalst CK 2026-2027 Deel 1 Round 4-7 | 2026-10-07
2026-10-28 | Aalst · BEL | Classical | 44 |
| Frederiksberg Mesterskabet 2026 - 3 Round 1-3 | 2026-10-07
2026-10-28 | Copenhagen · DEN | Classical | 10 |
| Frederiksberg Mesterskabet 2026 - 2 Round 1-3 | 2026-10-07
2026-10-28 | Copenhagen · DEN | Classical | 10 |
| Frederiksberg Mesterskabet 2026 - 1 Round 1-3 | 2026-10-07
2026-10-28 | Copenhagen · DEN | Classical | 8 |
| Hillerod Midtspil 1 - 5 Round 5 | 2026-10-07
2026-10-07 | Hillerod · DEN | Classical | 4 |
| Hillerod Midtspil 1 - 4 Round 5 | 2026-10-07
2026-10-07 | Hillerod · DEN | Classical | 6 |
| Hillerod Midtspil 1 - 3 Round 5 | 2026-10-07
2026-10-07 | Hillerod · DEN | Classical | 6 |
| Hillerod Midtspil 1 - 2 Round 5 | 2026-10-07
2026-10-07 | Hillerod · DEN | Classical | 5 |
| Hillerod Midtspil 1 - 1 Round 5 | 2026-10-07
2026-10-07 | Hillerod · DEN | Classical | 5 |
| Eight Square Chess Academy - 3rd International FIDE Rated Open Chess Tournament - 2026 | 2026-10-07
2026-10-11 | Chennai · IND | Classical | 218 |
| Monatsblitz SC Heuchelheim Oktober 2026 | 2026-10-07
2026-10-07 | Heuchelheim a. d. Lahn · GER | Blitz | 24 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U7 Open (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 24 |
| KSU 5. Dagturnering 2026 - 3 Round 1-3 | 2026-10-06
2026-10-27 | Copenhagen · DEN | Classical | 15 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U19 Open (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 6 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U19 Girls (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 7 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U17 Open (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 12 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U17 Girls (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 10 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U15 Open (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 25 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U15 Girls (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 15 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U13 Open (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 31 |
| 1st COMMONWEALTH SCHOOLS CHESS CHAMPIONSHIP 2026 - U13 Girls (Standard) | 2026-10-06
2026-10-11 | Kuala Lumpur · MAS | Classical | 24 |