TCh-NOR Final Trondheim NOR· May 19 – 23, 2004 | May 19 – 23, 2004 | Classical | 54 | 2269 | 80 |
| Muehlhausen Open 11thMuehlhausen· May 20 – 23, 2004 | May 20 – 23, 2004 | Classical | 26 | 2151 | 29 |
Bargteheide GER, Open 2004 Bargteheide GER· May 20 – 23, 2004 | May 20 – 23, 2004 | Classical | 34 | 2189 | 51 |
Nuremberg Ch Open 04th Nuerenberg GER· May 21 – 23, 2004 | May 21 – 23, 2004 | Classical | 127 | 1896 | 241 |
| Saarlouis Open 7thSaarlouis· May 19 – 23, 2004 | May 19 – 23, 2004 | Classical | 68 | 1948 | 148 |
Ruhrhalbinsel Open 19th Essen GER· May 19 – 23, 2004 | May 19 – 23, 2004 | Classical | 60 | 1929 | 119 |
| Markdorf OpenMarkdorf· May 20 – 23, 2004 | May 20 – 23, 2004 | Classical | 23 | 2096 | 75 |
| Petrovac SCG, Team CupPetrovac SCG· May 17 – 22, 2004 | May 17 – 22, 2004 | Classical | 12 | 2517 | 6 |
4NCL/Div2/PPA1 vs. MMNWE2 West Bromwich ENG· May 22, 2004 | May 22, 2004 | Classical | 14 | 2198 | 7 |
| Haspa Bargteheide· May 20 – 22, 2004 | May 20 – 22, 2004 | Classical | 8 | 2122 | 5 |
| Unicorn Open 2004· May 19 – 22, 2004 | May 19 – 22, 2004 | Classical | 16 | 1930 | 10 |
| SCG Team ChPetrovac· May 16 – 22, 2004 | May 16 – 22, 2004 | Classical | 26 | 2385 | 18 |
Hostan Open Znojmo CZE· May 15 – 22, 2004 | May 15 – 22, 2004 | Classical | 37 | 2088 | 32 |
| TCh-SCGPetrovac SCG· May 16 – 22, 2004 | May 16 – 22, 2004 | Classical | 89 | 2358 | 163 |
Triesen LIE, 22. Open Triesen LIE· May 14 – 22, 2004 | May 14 – 22, 2004 | Classical | 58 | 2162 | 76 |
| SCG Team ChPetrovac SCG· May 16 – 22, 2004 | May 16 – 22, 2004 | Classical | 62 | 2361 | 69 |
Steinfurt Bezirksliga 0304 GER· Jan 24 – May 22, 2004 | Jan 24 – May 22, 2004 | Classical | 57 | 1648 | 66 |
Germany Open GER· May 20 – 22, 2004 | May 20 – 22, 2004 | Classical | 75 | 2036 | 58 |
Znojmo Hostan Open Znojmo CZE· May 15 – 22, 2004 | May 15 – 22, 2004 | Classical | 55 | 2108 | 69 |
22. LIE-Open Triesen LIE· May 14 – 22, 2004 | May 14 – 22, 2004 | Classical | 30 | 2255 | 25 |
Summer I Alushta UKR· May 13 – 22, 2004 | May 13 – 22, 2004 | Classical | 9 | 2438 | 41 |
| Unicorn Open· May 19 – 22, 2004 | May 19 – 22, 2004 | Classical | 119 | 1992 | 270 |
Alushta Summer 1st Alushta UKR· May 13 – 22, 2004 | May 13 – 22, 2004 | Classical | 7 | 2440 | 23 |
Liechtenstein Open 22nd Triesen LIE· May 14 – 22, 2004 | May 14 – 22, 2004 | Classical | 79 | 2205 | 145 |
Ch Uruguay Montevideo URU· May 16 – 21, 2004 | May 16 – 21, 2004 | Classical | 12 | 2175 | 9 |
| North County Chess Club· Jan 2 – May 21, 2004 | Jan 2 – May 21, 2004 | Classical | 11 | 1693 | 17 |
NED Team Ch playoff Enschede NED· May 20 – 21, 2004 | May 20 – 21, 2004 | Classical | 16 | 2390 | 11 |
TCh-NED Enschede NED· May 20 – 21, 2004 | May 20 – 21, 2004 | Classical | 39 | 2434 | 34 |
| Summer I· May 14 – 20, 2004 | May 14 – 20, 2004 | Classical | 3 | 2435 | 5 |
UKR Team Ch Alushta UKR· May 15 – 20, 2004 | May 15 – 20, 2004 | Classical | 41 | 2377 | 40 |
TCh-UKR Alushta UKR· May 15 – 20, 2004 | May 15 – 20, 2004 | Classical | 59 | 2381 | 126 |
Capablanca Mem Premier II Havana CUB· May 6 – 19, 2004 | May 6 – 19, 2004 | Classical | 17 | 2418 | 75 |
Capablanca Memorial Elite 39th Havana CUB· May 6 – 19, 2004 | May 6 – 19, 2004 | Classical | 8 | 2523 | 8 |
Capablanca Memorial PREMIER II Havana CUB· May 6 – 19, 2004 | May 6 – 19, 2004 | Classical | 7 | 2461 | 11 |
| SLO-CRO mCelje· May 15 – 19, 2004 | May 15 – 19, 2004 | Classical | 74 | 2257 | 37 |
Capablanca Mem Premier I Havana CUB· May 6 – 19, 2004 | May 6 – 19, 2004 | Classical | 17 | 2359 | 52 |
Capablanca Mem Elite Havana CUB· May 6 – 19, 2004 | May 6 – 19, 2004 | Classical | 18 | 2431 | 62 |
Capablanca Mem Mixto Havana CUB· May 6 – 19, 2004 | May 6 – 19, 2004 | Classical | 13 | 2195 | 38 |
Invitational Santa Monica, CA USA· May 11 – 19, 2004 | May 11 – 19, 2004 | Classical | 10 | 2424 | 39 |
sen.ch-RUS -Herren- Seniors Tula RUS· May 10 – 18, 2004 | May 10 – 18, 2004 | Classical | 30 | 2309 | 30 |
Brno II etapa-A Brno CZE· Apr 15 – May 18, 2004 | Apr 15 – May 18, 2004 | Classical | 10 | 1840 | 34 |
Brno II etapa-B Brno CZE· Apr 15 – May 18, 2004 | Apr 15 – May 18, 2004 | Classical | 10 | 1948 | 35 |
Capablanca Memorial Premier II 39th Havana CUB· May 6 – 18, 2004 | May 6 – 18, 2004 | Classical | 13 | 2412 | 22 |
Capablanca Memorial Premier I 39th Havana CUB· May 6 – 18, 2004 | May 6 – 18, 2004 | Classical | 15 | 2432 | 32 |
RUS Ch Seniors Tula RUS· May 10 – 18, 2004 | May 10 – 18, 2004 | Classical | 71 | 2242 | 238 |
Capablanca Memorial Mixto 39th Havana CUB· May 6 – 18, 2004 | May 6 – 18, 2004 | Classical | 12 | 2275 | 29 |
| RH.2004.0.00015Chessfriend.com· May 17, 2004 | May 17, 2004 | Classical | 8 | 2174 | 21 |
Cergy Pontoise Open 2nd Cergy Pontoise FRA· May 15 – 16, 2004 | May 15 – 16, 2004 | Classical | 8 | 2087 | 5 |
Rapid Open Cergy Pontoise FRA· May 15 – 16, 2004 | May 15 – 16, 2004 | Rapid | 34 | 2320 | 32 |
| NRW Ch SeniorsNRW· May 8 – 16, 2004 | May 8 – 16, 2004 | Classical | 12 | 2101 | 15 |