| Expresso du Roi So' 32 - 10-2026 - Tournoi A | 2026-10-03
2026-10-03 | LE CHESNAY · FRA | Rapid | 12 |
| 44th National Women's 'B' Chess Championship 2026 | 2026-10-03
2026-10-11 | Dhaka · BAN | Classical | 74 |
| XXXII edycja Bialostockiej Ligi Szkolnej - 1. runda do lat 10 | 2026-10-03
2026-10-03 | Bialystok · POL | Rapid | 17 |
| XIII IRT RAPIDAS SUB 2000 CHESS PERU | 2026-10-03
2026-10-03 | Lima · PER | Rapid | 29 |
| XIII IRT RAPIDAS SUB 1600 CHESS PERU | 2026-10-03
2026-10-03 | Lima · PER | Rapid | 57 |
| Schwaebische Schnellschach-Einzelmeisterschaft 2026 | 2026-10-03
2026-10-03 | Dillingen · GER | Rapid | 29 |
| FOCUS na Szachy - Turniej Szachow Blyskawicznych FIDE OPEN. | 2026-10-03
2026-10-03 | Bydgoszcz · POL | Blitz | 82 |
| Blitzor Uralsk Rapid 8 2026 B | 2026-10-03
2026-10-03 | Uralsk · KAZ | Rapid | 27 |
| Caspian - Sea Friendship 2026 Rapid | 2026-10-03
2026-10-04 | Makhachkala · RUS | Rapid | 31 |
| Autumn Iniciativa chess club cup | 2026-10-03
2026-10-04 | Novosibirsk · RUS | Rapid | 50 |
| Nordfjord Hurtigsjakkturnering 2026 | 2026-10-03
2026-10-03 | Kalvag · NOR | Rapid | 11 |
| II Kujawski Integracyjny Festiwal Szachowy FENIKSA - II Otwarte Mistrzostwa Powiatu Inowroclawskiego w Szachach Klasycznych - OPEN A | 2026-10-03
2026-10-04 | Inowroclaw · POL | Classical | 36 |
| II Kujawski Integracyjny Festiwal Szachowy FENIKSA - II Otwarte Mistrzostwa Powiatu Inowroclawskiego Amatorow w Szachach Klasycznych - OPEN B | 2026-10-03
2026-10-04 | Inowroclaw · POL | Classical | 58 |
| Nordfjord Lynturnering 2026 | 2026-10-03
2026-10-03 | Kalvag · NOR | Blitz | 13 |
| 2026 NSWCA October Weekender | 2026-10-03
2026-10-05 | Sydney · AUS | Classical | 92 |
| Torneio dos Ventos 2026 | 2026-10-03
2026-10-03 | Recarei - Paredes · POR | Blitz | 26 |
| I Torneio de Semirrapidas do IFCT | 2026-10-03
2026-10-03 | Seixal · POR | Rapid | 28 |
| Torneo Copa Primavera de Torre Vieja | 2026-10-03
2026-10-03 | Pando · URU | Rapid | 21 |
| Torneo de Ajedrez Rapido X | 2026-10-03
2026-10-03 | Montevideo · URU | Rapid | 79 |
| Torneo IRT 80 Aniversario de la Reapertura de La Universidad del Zulia - Nucleo Punto Fijo | 2026-10-03
2026-10-03 | Punto Fijo - Estado Falcon · VEN | Blitz | 38 |
| 1. liga mladeze D 2026-2027 r1-3 | 2026-10-03
2026-10-04 | various · CZE | Classical | 219 |
| 1. liga mladeze C 2026-2027 r1-3 | 2026-10-03
2026-10-04 | various · CZE | Classical | 186 |
| 1. liga mladeze B 2026-2027 r1-3 | 2026-10-03
2026-10-04 | various · CZE | Classical | 210 |
| 1. liga mladeze A 2026-2027 r1-4 | 2026-10-03
2026-10-04 | various · CZE | Classical | 181 |
| Extraliga mladeze - zapad 2026-2027 r1-4 | 2026-10-03
2026-10-04 | various · CZE | Classical | 128 |
| Extraliga mladeze - vychod 2026-2027 r1-4 | 2026-10-03
2026-10-04 | various · CZE | Classical | 119 |
| Varmlands disktriktsserie 2026-27 R1 | 2026-10-03
2026-10-03 | Sweden · SWE | Classical | 24 |
| O Pohar LSS - dlhodoby turnaj 2026 27 R1-2 | 2026-10-03
2026-10-03 | Liptovsky Mikulas · SVK | Classical | 41 |
| Nocny blitz do FIDE KIK 1 | 2026-10-03
2026-10-04 | Gdansk · POL | Blitz | 15 |
| Campeonato de Gipuzkoa de Tercera Zonal Azpeitia 2026 Rondas 1-3 | 2026-10-03
2026-10-03 | Azpeitia (Gipuzkoa) · ESP | Classical | 16 |
| Campeonato de Gipuzkoa de Tercera Zonal Bidasoa 2026 Rondas 1-3 | 2026-10-03
2026-10-24 | Irun (Gipuzkoa) · ESP | Classical | 16 |
| Campeonato de Gipuzkoa de Tercera Zonal Astigarraga 2026 Rondas 1-3 | 2026-10-03
2026-10-24 | Astigarraga (Gipuzkoa) · ESP | Classical | 19 |
| Campeonato de Gipuzkoa de Segunda Zonal Astigarraga 2026 Rondas 1-3 | 2026-10-03
2026-10-24 | Astigarraga (Gipuzkoa) · ESP | Classical | 19 |
| Campeonato Absoluto de Gipuzkoa 2026 Rondas 1-3 | 2026-10-03
2026-10-24 | Gipuzkoa · ESP | Classical | 12 |
| RAPIDASPOM 2026 10-03 | 2026-10-03
2026-10-03 | BORDEAUX · FRA | Rapid | 23 |
| Torneio de Xadrez por Equipes de Campina Grande BLITZ | 2026-10-03
2026-10-03 | Campina Grande PB · BRA | Blitz | 69 |
| Torneio de Xadrez por Equipes de Campina Grande RAPIDAS | 2026-10-03
2026-10-03 | Campina Grande PB · BRA | Rapid | 69 |
| Campeonato Imperatrizense De Xadrez Blitz 2026 | 2026-10-03
2026-10-03 | Imperatriz MA · BRA | Blitz | 40 |
| Viforul 14 | 2026-10-03
2026-10-03 | Ritisevo · SRB | Blitz | 15 |
| IRT Copa Promesas del Ajedrez - BioCordoba | 2026-10-03
2026-10-03 | Cordoba - Cordoba · ARG | Rapid | 24 |
| I-st chess tournament for kids Cup "Serdika" U14, under the aegis of BSCF | 2026-10-03
2026-10-03 | Sofia · BUL | Rapid | 55 |
| VI Torneo Blitz Aguas de Teror Chess 2026 | 2026-10-03
2026-10-03 | Teror (Gran Canaria) · ESP | Blitz | 96 |
| Clubkampioenschap 2026 VPTD Geraardsbergen deel 1 Rondes 2-5 | 2026-10-03
2026-10-24 | Geraardsbergen · BEL | Classical | 29 |
| 42 TORNEIG OBERT VILA DE CERDANYOLA DEL VALLES GRUP B Rondas 2-4 | 2026-10-03
2026-10-24 | Cerdanyola del Valles (Barcelona) · ESP | Classical | 38 |
| 42 TORNEIG OBERT VILA DE CERDANYOLA DEL VALLES GRUP A Rondas 2-4 | 2026-10-03
2026-10-24 | Cerdanyola del Valles (Barcelona) · ESP | Classical | 28 |
| Delta State Monthly Rapid Tournament October Edition | 2026-10-03
2026-10-03 | Warri · NGR | Rapid | 28 |
| III TORNEO BLITZ AKERU VICALVARO | 2026-10-03
2026-10-03 | Madrid · ESP | Blitz | 27 |
| Campeonato Rapid de Alava Individual 2026 | 2026-10-03
2026-10-03 | Vitoria · ESP | Rapid | 33 |
| Kramnik Rapid Chess Cup Group B 2026 | 2026-10-03
2026-10-03 | Dederkoi · RUS | Rapid | 72 |
| Kramnik Rapid Chess Cup Group A 2026 | 2026-10-03
2026-10-03 | Dederkoi · RUS | Rapid | 62 |