| Hengelo U16 OpenHengelo U16 open· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 68 | 1953 | 270 |
Ron Banwell Masters Blackpool ENG· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 10 | 2276 | 42 |
| Santa Cruz OpenSanta Cruz· Aug 2 – 9, 2003 | Aug 2 – 9, 2003 | Classical | 33 | 2004 | 31 |
Augsburg Afro Open Augsburg GER· Aug 7 – 9, 2003 | Aug 7 – 9, 2003 | Classical | 171 | 1982 | 248 |
HZ Open Vlissingen NED· Aug 2 – 9, 2003 | Aug 2 – 9, 2003 | Classical | 123 | 2164 | 114 |
| Banyoles Open 6thBaynoles· Aug 2 – 9, 2003 | Aug 2 – 9, 2003 | Classical | 18 | 2167 | 16 |
Hengelo U20 Open Hengelo NED· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 49 | 2015 | 57 |
| Hengelo U12 OpenHengelo U12 open· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 135 | 1899 | 593 |
| Hengelo U20 OpenHengelo U20 open· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 78 | 2036 | 275 |
Hengelo U12 Open Hengelo NED· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 68 | 1885 | 66 |
Hengelo U14 Open Hengelo NED· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 52 | 1911 | 48 |
| Hengelo U14 OpenHengelo U14 open· Aug 4 – 9, 2003 | Aug 4 – 9, 2003 | Classical | 111 | 1955 | 419 |
Genova Open 7th Genova ITA· Aug 2 – 8, 2003 | Aug 2 – 8, 2003 | Classical | 16 | 2241 | 11 |
| BSJ Elo-AOberhaching· Aug 3 – 8, 2003 | Aug 3 – 8, 2003 | Classical | 9 | 2019 | 11 |
| Santiago CC Aj TalcahuanoSantiago de Chile· Jul 22 – Aug 8, 2003 | Jul 22 – Aug 8, 2003 | Classical | 6 | 2215 | 7 |
| Hengelo NED, Open (j) 2003Hengelo U20 open· Aug 5 – 8, 2003 | Aug 5 – 8, 2003 | Classical | 11 | 2182 | 10 |
Hengelo NED, Open (j) 2003 Hengelo NED· Aug 5 – 8, 2003 | Aug 5 – 8, 2003 | Classical | 7 | 2179 | 6 |
| Bled SLO, Men Championship· Aug 3 – 8, 2003 | Aug 3 – 8, 2003 | Classical | 11 | 2445 | 12 |
| BSJ Elo-Turnier-AOberhaching· Aug 3 – 8, 2003 | Aug 3 – 8, 2003 | Classical | 10 | 2015 | 30 |
| BSJ Elo-Turnier-BOberhaching· Aug 3 – 8, 2003 | Aug 3 – 8, 2003 | Classical | 10 | 1981 | 34 |
Stork Young Masters Hengelo NED· Aug 4 – 8, 2003 | Aug 4 – 8, 2003 | Classical | 10 | 2372 | 15 |
Denker High School Ch USA· Aug 3 – 8, 2003 | Aug 3 – 8, 2003 | Classical | 20 | 2067 | 20 |
Bergen Summer GP Bergen NOR· Aug 3 – 8, 2003 | Aug 3 – 8, 2003 | Classical | 31 | 1721 | 45 |
Blackpool Hilton Premier Blackpool ENG· Aug 4 – 8, 2003 | Aug 4 – 8, 2003 | Classical | 6 | 2446 | 5 |
IPCA World Cup Hrabyne CZE· Aug 2 – 8, 2003 | Aug 2 – 8, 2003 | Classical | 34 | 2013 | 139 |
Olomouc Inline Czechia Cup Olomouc CZE· Jul 30 – Aug 7, 2003 | Jul 30 – Aug 7, 2003 | Classical | 10 | 2314 | 12 |
| BSJ Elo-BOberhaching· Aug 3 – 7, 2003 | Aug 3 – 7, 2003 | Classical | 5 | 1994 | 6 |
Olomouc Open Olomouc CZE· Jul 30 – Aug 7, 2003 | Jul 30 – Aug 7, 2003 | Classical | 21 | 2264 | 11 |
Ceska Pojistovna Cup Olomouc CZE· Jul 30 – Aug 7, 2003 | Jul 30 – Aug 7, 2003 | Classical | 10 | 2304 | 37 |
Kramatorsk Kramatorsk UKR· Jul 29 – Aug 7, 2003 | Jul 29 – Aug 7, 2003 | Classical | 8 | 2483 | 36 |
It Kramatorsk UKR· Jul 29 – Aug 7, 2003 | Jul 29 – Aug 7, 2003 | Classical | 8 | 2483 | 21 |
Open Olomouc CZE· Jul 30 – Aug 7, 2003 | Jul 30 – Aug 7, 2003 | Classical | 44 | 2218 | 45 |
Valoz Cup Olomouc CZE· Jul 30 – Aug 7, 2003 | Jul 30 – Aug 7, 2003 | Classical | 12 | 2304 | 62 |
Santa Cruz BOL, Men ch 2003 Santa Cruz BOL· Aug 6 – 7, 2003 | Aug 6 – 7, 2003 | Classical | 12 | 2129 | 10 |
Inline Czechia Cup Olomouc CZE· Jul 30 – Aug 7, 2003 | Jul 30 – Aug 7, 2003 | Classical | 10 | 2310 | 31 |
Box Hill FIDE Melbourne AUS· Apr 29 – Aug 7, 2003 | Apr 29 – Aug 7, 2003 | Classical | 10 | 2025 | 45 |
| I Abierto Concello de OrtigueiraA Coruna· Aug 4 – 6, 2003 | Aug 4 – 6, 2003 | Classical | 14 | 2436 | 9 |
Coruna ESP, Open 2003 Coruna ESP· Aug 3 – 6, 2003 | Aug 3 – 6, 2003 | Classical | 13 | 2303 | 7 |
1. Masters Malmo SWE· Jul 28 – Aug 6, 2003 | Jul 28 – Aug 6, 2003 | Classical | 10 | 2350 | 27 |
Malmo Masters 1st Malmo SWE· Jul 28 – Aug 6, 2003 | Jul 28 – Aug 6, 2003 | Classical | 9 | 2333 | 18 |
| SH.2003.0.00010Chessfriend.com· Aug 5, 2003 | Aug 5, 2003 | Classical | 10 | 1847 | 32 |
| SH.2003.0.00009Chessfriend.com· Aug 5, 2003 | Aug 5, 2003 | Classical | 10 | 2249 | 34 |
| SI.2003.0.00011Chessfriend.com· Aug 5, 2003 | Aug 5, 2003 | Classical | 14 | 1860 | 63 |
6. Magistral Vicente Lopez ARG· Jul 24 – Aug 4, 2003 | Jul 24 – Aug 4, 2003 | Classical | 9 | 2441 | 7 |
| BC OpenVancouver· Aug 2 – 4, 2003 | Aug 2 – 4, 2003 | Classical | 18 | 2143 | 19 |
Vicente Lopez ITT 6th Vicente Lopez ARG· Jul 24 – Aug 4, 2003 | Jul 24 – Aug 4, 2003 | Classical | 8 | 2313 | 22 |
GM Aarhus DEN· Jul 27 – Aug 4, 2003 | Jul 27 – Aug 4, 2003 | Classical | 10 | 2436 | 15 |
Vicente Lopez Magistral 6th Vicente Lopez ARG· Jul 24 – Aug 4, 2003 | Jul 24 – Aug 4, 2003 | Classical | 11 | 2435 | 42 |
IM Aarhus DEN· Jul 27 – Aug 4, 2003 | Jul 27 – Aug 4, 2003 | Classical | 10 | 2352 | 26 |
Candidates Aarhus DEN· Jul 27 – Aug 4, 2003 | Jul 27 – Aug 4, 2003 | Classical | 9 | 2146 | 18 |