| I Open Internacional del SolsonesSolsona· Aug 16 – 21, 2003 | Aug 16 – 21, 2003 | Classical | 15 | 2427 | 12 |
| Oberland MZT 2ndOberland· Aug 21, 2003 | Aug 21, 2003 | Classical | 12 | 2308 | 55 |
AbuDhabi Masters 2003 Abudhabi UAE· Aug 19, 2003 | Aug 19, 2003 | Classical | 17 | 2490 | 9 |
It Lvov UKR· Aug 9 – 18, 2003 | Aug 9 – 18, 2003 | Classical | 12 | 2298 | 32 |
Solsona ESP, Open 2003 Solsona ESP· Aug 15 – 18, 2003 | Aug 15 – 18, 2003 | Classical | 25 | 2355 | 15 |
Lvov Lvov UKR· Aug 9 – 18, 2003 | Aug 9 – 18, 2003 | Classical | 11 | 2268 | 31 |
Rapid Match Mainz GER· Aug 14 – 17, 2003 | Aug 14 – 17, 2003 | Rapid | 2 | 2746 | 8 |
| San Martin CupUshuaia· Aug 17, 2003 | Aug 17, 2003 | Classical | 16 | 1780 | 8 |
Mainz GER, Ordix Open 03 Mainz GER· Aug 16 – 17, 2003 | Aug 16 – 17, 2003 | Classical | 8 | 2631 | 5 |
| Mike's Summer RR-03Victoria· Aug 15 – 17, 2003 | Aug 15 – 17, 2003 | Classical | 3 | 2285 | 5 |
Bohatirchuk mem. Toronto CAN· Aug 11 – 17, 2003 | Aug 11 – 17, 2003 | Classical | 6 | 1936 | 5 |
Lippstadt 11th Lippstadt GER· Aug 7 – 17, 2003 | Aug 7 – 17, 2003 | Classical | 10 | 2490 | 13 |
AbuDhabi Master 2003 Abudhabi UAE· Aug 17, 2003 | Aug 17, 2003 | Classical | 18 | 2446 | 10 |
11. GM Lippstadt GER· Aug 7 – 17, 2003 | Aug 7 – 17, 2003 | Classical | 12 | 2431 | 43 |
| Northeast Summer GetawayLowell· Aug 15 – 17, 2003 | Aug 15 – 17, 2003 | Classical | 18 | 2278 | 16 |
| Miskolc Avas OpenMiskolc· Aug 14 – 17, 2003 | Aug 14 – 17, 2003 | Classical | 69 | 2021 | 227 |
Ordix Open Mainz GER· Aug 16 – 17, 2003 | Aug 16 – 17, 2003 | Classical | 38 | 2506 | 46 |
Mainz Ordix Open Mainz GER· Aug 16 – 17, 2003 | Aug 16 – 17, 2003 | Classical | 12 | 2463 | 8 |
| BRA CEAX Open 3rdVitoria· Aug 15 – 17, 2003 | Aug 15 – 17, 2003 | Classical | 44 | 1897 | 113 |
Antwerp Open Antwerp BEL· Aug 14 – 17, 2003 | Aug 14 – 17, 2003 | Classical | 55 | 1905 | 40 |
Geraardsbergen BEL, Open 03 Geraardsbergen BEL· Aug 14 – 17, 2003 | Aug 14 – 17, 2003 | Classical | 56 | 2172 | 87 |
| Park, SCS SwissMerlo· Aug 16, 2003 | Aug 16, 2003 | Classical | 6 | 1224 | 5 |
It Open Faaker-See AUT· Aug 10 – 16, 2003 | Aug 10 – 16, 2003 | Classical | 20 | 2209 | 18 |
| Finsterbergen (10.08.-16.08)Finsterbergen (10.08.-16.08)· Aug 10 – 16, 2003 | Aug 10 – 16, 2003 | Classical | 55 | 2131 | 53 |
| 12sen.DSMM 2003Finsterbergen (10.08.-16.08)· Aug 10 – 16, 2003 | Aug 10 – 16, 2003 | Classical | 17 | 2089 | 12 |
| Stare Mesto OpenStare Mesto· Aug 8 – 16, 2003 | Aug 8 – 16, 2003 | Classical | 72 | 2141 | 181 |
19. Open Faaker-See AUT· Aug 9 – 16, 2003 | Aug 9 – 16, 2003 | Classical | 33 | 2091 | 22 |
Faaker See Open 19th Faaker-See AUT· Aug 9 – 16, 2003 | Aug 9 – 16, 2003 | Classical | 64 | 2107 | 102 |
| GER Team Ch Seniors 12thFinsterbergen· Aug 10 – 16, 2003 | Aug 10 – 16, 2003 | Classical | 123 | 2138 | 268 |
2rd Kavala GRE, Open Kavala GRE· Aug 10 – 15, 2003 | Aug 10 – 15, 2003 | Classical | 17 | 2499 | 21 |
North Urals Cup women Krasnoturinsk RUS· Aug 9 – 15, 2003 | Aug 9 – 15, 2003 | Classical | 8 | 2424 | 17 |
Kavala Open 12th Kavala GRE· Aug 8 – 15, 2003 | Aug 8 – 15, 2003 | Classical | 56 | 2202 | 59 |
Los Angeles USA, US Open 03 Los Angeles, CA USA· Aug 7 – 15, 2003 | Aug 7 – 15, 2003 | Classical | 14 | 2251 | 8 |
12. OPEN KAVALA 2003 Kavala GRE· Aug 12 – 15, 2003 | Aug 12 – 15, 2003 | Classical | 13 | 2463 | 11 |
Kavala GRE, 12. Open Kavala GRE· Aug 9 – 15, 2003 | Aug 9 – 15, 2003 | Classical | 47 | 2313 | 42 |
North Ural Cup Krasnoturinsk RUS· Aug 9 – 15, 2003 | Aug 9 – 15, 2003 | Classical | 7 | 2415 | 12 |
US Open Los Angeles, CA USA· Aug 3 – 15, 2003 | Aug 3 – 15, 2003 | Classical | 251 | 2124 | 390 |
US Open 104th Los Angeles, CA USA· Aug 3 – 14, 2003 | Aug 3 – 14, 2003 | Classical | 12 | 1996 | 10 |
| Lippstadt GER, Closed GM· Aug 7 – 14, 2003 | Aug 7 – 14, 2003 | Classical | 5 | 2520 | 5 |
FSIM August Budapest HUN· Aug 2 – 14, 2003 | Aug 2 – 14, 2003 | Classical | 14 | 2284 | 53 |
First Saturday Chess Tournament FM-A Budapest HUN· Jul 6 – Aug 14, 2003 | Jul 6 – Aug 14, 2003 | Classical | 22 | 2090 | 42 |
First Saturday Chess Tournament FM-B Budapest HUN· Jul 5 – Aug 14, 2003 | Jul 5 – Aug 14, 2003 | Classical | 21 | 2010 | 62 |
First Saturday Chess Tournament IM Budapest HUN· Aug 2 – 14, 2003 | Aug 2 – 14, 2003 | Classical | 13 | 2285 | 23 |
Budapest FS08 FM-B Budapest HUN· Aug 2 – 14, 2003 | Aug 2 – 14, 2003 | Classical | 9 | 2017 | 14 |
First Saturday IM aug 2003 Budapest HUN· Aug 3 – 13, 2003 | Aug 3 – 13, 2003 | Classical | 6 | 2251 | 5 |
World Youth Stars 1st Kirishi RUS· Aug 2 – 13, 2003 | Aug 2 – 13, 2003 | Classical | 11 | 2255 | 51 |
World Youth Stars Kirishi RUS· Aug 2 – 13, 2003 | Aug 2 – 13, 2003 | Classical | 11 | 2277 | 16 |
First Saturday FM aug 2003 Budapest HUN· Aug 2 – 13, 2003 | Aug 2 – 13, 2003 | Classical | 16 | 2116 | 37 |
| Santiago CC ChileSantiago de Chile· Jul 21 – Aug 12, 2003 | Jul 21 – Aug 12, 2003 | Classical | 9 | 2054 | 13 |
FSGM August Budapest HUN· Aug 2 – 12, 2003 | Aug 2 – 12, 2003 | Classical | 11 | 2423 | 36 |