| European Youth Championship· Sep 13 – 14, 2003 | Sep 13 – 14, 2003 | Classical | 18 | 2193 | 9 |
| European Youth Championship, girls 10· Sep 13 – 14, 2003 | Sep 13 – 14, 2003 | Classical | 44 | 1895 | 37 |
First Saturday FM-A sept 03 Budapest HUN· Sep 6 – 14, 2003 | Sep 6 – 14, 2003 | Classical | 11 | 2153 | 35 |
| Hallstahammar OpenHallstahammar· Sep 13 – 14, 2003 | Sep 13 – 14, 2003 | Classical | 16 | 2306 | 12 |
EU Ch U10 Budva MNE· Sep 14, 2003 | Sep 14, 2003 | Classical | 65 | 1952 | 185 |
| WysowaWysowa· Sep 6 – 14, 2003 | Sep 6 – 14, 2003 | Classical | 69 | 2122 | 81 |
EU Ch U10 Girls Budva MNE· Sep 13 – 14, 2003 | Sep 13 – 14, 2003 | Classical | 46 | 1898 | 136 |
Hallstahammar NOR, Open 2003 Hallstahammar NOR· Sep 12 – 14, 2003 | Sep 12 – 14, 2003 | Classical | 58 | 2222 | 66 |
| Bergheim OpenBergheim· Sep 12 – 14, 2003 | Sep 12 – 14, 2003 | Classical | 31 | 2068 | 43 |
| Baden-Elsass mNeumuehl· Sep 14, 2003 | Sep 14, 2003 | Classical | 53 | 2099 | 27 |
| POL-chT1Ustron· Sep 6 – 14, 2003 | Sep 6 – 14, 2003 | Classical | 47 | 2224 | 67 |
Trophee de Poitou-Charentes 2003 Poitou Charentes FRA· Sep 8 – 14, 2003 | Sep 8 – 14, 2003 | Classical | 9 | 2327 | 19 |
ProMoPro Open Prague CZE· Sep 6 – 14, 2003 | Sep 6 – 14, 2003 | Classical | 59 | 2065 | 158 |
Prague ProMoPro Open Prague CZE· Sep 6 – 14, 2003 | Sep 6 – 14, 2003 | Classical | 56 | 2079 | 110 |
Ustron POL, 1. League 2003 Ustron POL· Sep 6 – 14, 2003 | Sep 6 – 14, 2003 | Classical | 55 | 2246 | 137 |
| POL-chT2Wysowa· Sep 6 – 14, 2003 | Sep 6 – 14, 2003 | Classical | 196 | 2133 | 790 |
First Saturday FM-A Budapest HUN· Sep 7 – 13, 2003 | Sep 7 – 13, 2003 | Classical | 7 | 2062 | 7 |
First Saturday FM-B Budapest HUN· Sep 8 – 13, 2003 | Sep 8 – 13, 2003 | Classical | 10 | 2012 | 20 |
First Saturday FM-B sept 03 Budapest HUN· Sep 8 – 13, 2003 | Sep 8 – 13, 2003 | Classical | 7 | 2009 | 18 |
Budapest FS09 FM-B Budapest HUN· Sep 8 – 13, 2003 | Sep 8 – 13, 2003 | Classical | 10 | 1987 | 9 |
| NATO Ch· Sep 10 – 12, 2003 | Sep 10 – 12, 2003 | Classical | 9 | 2061 | 6 |
| POL-chT1 womenUstron· Sep 7 – 12, 2003 | Sep 7 – 12, 2003 | Classical | 8 | 2116 | 9 |
Russian Chess champ 2003 Krasnoyarsk RUS· Sep 4 – 12, 2003 | Sep 4 – 12, 2003 | Classical | 12 | 2483 | 8 |
| AUT Team Ch Seniors 2ndMaria Alm· Sep 8 – 12, 2003 | Sep 8 – 12, 2003 | Classical | 14 | 2140 | 12 |
| Maria Alm (07.09.-13.09)Maria Alm (07.09.-13.09)· Sep 8 – 12, 2003 | Sep 8 – 12, 2003 | Classical | 15 | 2124 | 18 |
Bergheim GER, Open 2003 Bergheim GER· Sep 11 – 12, 2003 | Sep 11 – 12, 2003 | Classical | 9 | 2214 | 7 |
| CRO Team ChRabac· Sep 8 – 12, 2003 | Sep 8 – 12, 2003 | Classical | 14 | 2433 | 7 |
RUS Ch 56th Krasnoyarsk RUS· Sep 3 – 12, 2003 | Sep 3 – 12, 2003 | Classical | 33 | 2393 | 34 |
56. ch-RUS Krasnoyarsk RUS· Sep 3 – 12, 2003 | Sep 3 – 12, 2003 | Classical | 80 | 2458 | 312 |
NATO Ch 14th Hoevelte DEN· Sep 8 – 12, 2003 | Sep 8 – 12, 2003 | Classical | 31 | 2093 | 30 |
| NRW Holiday U16Wewelsburg· Sep 5 – 12, 2003 | Sep 5 – 12, 2003 | Classical | 96 | 1491 | 186 |
14. ch-NATO Hoevelte DEN· Sep 8 – 12, 2003 | Sep 8 – 12, 2003 | Classical | 90 | 2059 | 254 |
LVI Campionato Russo Krasnoyarsk RUS· Sep 3 – 11, 2003 | Sep 3 – 11, 2003 | Classical | 24 | 2541 | 16 |
6. Krasnoyarsk RUS, Men Championship Krasnoyarsk RUS· Sep 3 – 11, 2003 | Sep 3 – 11, 2003 | Classical | 12 | 2564 | 7 |
ARG Ch 77th Tres de Febrero ARG· Sep 3 – 11, 2003 | Sep 3 – 11, 2003 | Classical | 10 | 2243 | 8 |
| 6. Krasnoyarsk RUS, Men Championship· Sep 3 – 11, 2003 | Sep 3 – 11, 2003 | Classical | 14 | 2564 | 10 |
Tres de Febrero ARG, Men Ch 03 Tres de Febrero ARG· Sep 3 – 11, 2003 | Sep 3 – 11, 2003 | Classical | 25 | 2200 | 26 |
Hoevelte DEN, NATO Ch 2003 Hoevelte DEN· Sep 8 – 11, 2003 | Sep 8 – 11, 2003 | Classical | 13 | 2145 | 10 |
LXXVII ch-ARG Tres de Febrero ARG· Sep 3 – 11, 2003 | Sep 3 – 11, 2003 | Classical | 64 | 2240 | 187 |
Campeonato Argentino Tres de Febrero ARG· Sep 7 – 11, 2003 | Sep 7 – 11, 2003 | Classical | 37 | 2257 | 31 |
Cairo Misr 1st Cairo EGY· Sep 2 – 10, 2003 | Sep 2 – 10, 2003 | Classical | 13 | 2475 | 25 |
1. Misr Closed Cairo EGY· Sep 2 – 10, 2003 | Sep 2 – 10, 2003 | Classical | 13 | 2475 | 47 |
ROM Ch women Satu-Mare ROU· Sep 3 – 10, 2003 | Sep 3 – 10, 2003 | Classical | 15 | 2174 | 31 |
| 56. Russian Championship· Sep 3 – 10, 2003 | Sep 3 – 10, 2003 | Classical | 9 | 2581 | 6 |
ROM Ch Satu-Mare ROU· Sep 2 – 10, 2003 | Sep 2 – 10, 2003 | Classical | 30 | 2352 | 60 |
Pablo Gorbea Memorial 7th Madrid ESP· Sep 2 – 9, 2003 | Sep 2 – 9, 2003 | Classical | 62 | 2180 | 56 |
Tarragona Open 4th Tarragona ESP· Sep 3 – 9, 2003 | Sep 3 – 9, 2003 | Classical | 43 | 2108 | 31 |
SCG Team Ch Budva MNE· Aug 29 – Sep 9, 2003 | Aug 29 – Sep 9, 2003 | Classical | 64 | 2414 | 107 |
1. League TCh-SCG Budva MNE· Aug 29 – Sep 9, 2003 | Aug 29 – Sep 9, 2003 | Classical | 86 | 2423 | 312 |
| Continental Ch (Women) 2ndEcuador· Sep 6 – 9, 2003 | Sep 6 – 9, 2003 | Classical | 21 | 2168 | 35 |