| Caen OpenCande· Oct 31, 2004 | Oct 31, 2004 | Classical | 11 | 2094 | 6 |
Venetian Autumn Open Venice ITA· Oct 29 – 31, 2004 | Oct 29 – 31, 2004 | Classical | 33 | 2159 | 83 |
Rosny sous bois (3eme masters) Rosny sous bois FRA· Oct 26 – 31, 2004 | Oct 26 – 31, 2004 | Classical | 5 | 2356 | 8 |
Rohde Sautron (4eme open) Sautron FRA· Oct 28 – 31, 2004 | Oct 28 – 31, 2004 | Classical | 14 | 1967 | 8 |
19. Open Le Touquet FRA· Oct 25 – 31, 2004 | Oct 25 – 31, 2004 | Classical | 18 | 2208 | 13 |
| Montigny le Bretonneux 3rdMontigny le Bretonneux· Oct 24 – 31, 2004 | Oct 24 – 31, 2004 | Classical | 20 | 2000 | 83 |
Wien AUT, City Ch 2004 Vienna AUT· Oct 24 – 31, 2004 | Oct 24 – 31, 2004 | Classical | 31 | 2160 | 80 |
| Sachsen Ch int U08Sebnitz· Oct 10 – 31, 2004 | Oct 10 – 31, 2004 | Classical | 77 | 1451 | 267 |
Le Touquet Open 19th Le Touquet FRA· Oct 25 – 31, 2004 | Oct 25 – 31, 2004 | Classical | 63 | 2141 | 97 |
3. Masters Rosny sous bois FRA· Oct 23 – 31, 2004 | Oct 23 – 31, 2004 | Classical | 10 | 2327 | 18 |
Rohde Open 4th Sautron FRA· Oct 23 – 31, 2004 | Oct 23 – 31, 2004 | Classical | 104 | 2048 | 131 |
4. Rohde Open Sautron FRA· Oct 23 – 31, 2004 | Oct 23 – 31, 2004 | Classical | 99 | 2072 | 117 |
| Le Touquet op-B 19thLe Touquet· Oct 25 – 31, 2004 | Oct 25 – 31, 2004 | Classical | 23 | 1699 | 20 |
Hamburg League qual Hamburg GER· Oct 9 – 31, 2004 | Oct 9 – 31, 2004 | Classical | 41 | 1935 | 105 |
Corsica Masters Bastia FRA· Oct 29 – 30, 2004 | Oct 29 – 30, 2004 | Classical | 26 | 2443 | 19 |
Liberec Open Liberec CZE· Oct 23 – 30, 2004 | Oct 23 – 30, 2004 | Classical | 52 | 2013 | 64 |
Open Liberec CZE· Oct 23 – 30, 2004 | Oct 23 – 30, 2004 | Classical | 59 | 1991 | 56 |
| Bixby 37thBixby· Oct 30, 2004 | Oct 30, 2004 | Classical | 5 | 1892 | 8 |
| CZE Ch U10Czechia· Oct 27 – 30, 2004 | Oct 27 – 30, 2004 | Classical | 22 | 1735 | 47 |
Corsica Masters Open Bastia FRA· Oct 29 – 30, 2004 | Oct 29 – 30, 2004 | Classical | 16 | 2429 | 13 |
Fouesnant Open 10th Fouesnant FRA· Oct 23 – 30, 2004 | Oct 23 – 30, 2004 | Classical | 69 | 1911 | 177 |
36. Olimpiade Maschile Calvia ESP· Oct 17 – 29, 2004 | Oct 17 – 29, 2004 | Classical | 42 | 2522 | 27 |
Calvia ol women Mallorca ESP· Oct 15 – 29, 2004 | Oct 15 – 29, 2004 | Classical | 10 | 2345 | 5 |
Liberec CZE, Open 2004 Liberec CZE· Oct 23 – 29, 2004 | Oct 23 – 29, 2004 | Classical | 23 | 2109 | 17 |
Calvia Aficionados Grupo B U2300 Calvia, Mallorca ESP· Oct 22 – 29, 2004 | Oct 22 – 29, 2004 | Classical | 8 | 2276 | 7 |
Sao Paulo Primavera 1st Sao Paulo BRA· Oct 25 – 29, 2004 | Oct 25 – 29, 2004 | Classical | 10 | 2319 | 31 |
| SendenSenden· Oct 22 – 29, 2004 | Oct 22 – 29, 2004 | Classical | 22 | 2188 | 19 |
36. Olympiad Mallorca ESP· Oct 16 – 29, 2004 | Oct 16 – 29, 2004 | Classical | 25 | 2431 | 16 |
Calvia ESP Calvia ESP· Oct 17 – 29, 2004 | Oct 17 – 29, 2004 | Classical | 9 | 2096 | 7 |
| 36. Olympiad· Oct 15 – 29, 2004 | Oct 15 – 29, 2004 | Classical | 16 | 2485 | 10 |
36. Chess Olympiad Men Calvia de Mallorca ESP· Oct 17 – 29, 2004 | Oct 17 – 29, 2004 | Classical | 22 | 2654 | 14 |
| Calvia Olympiad womenMallorca· Oct 17 – 29, 2004 | Oct 17 – 29, 2004 | Classical | 10 | 1948 | 7 |
Olympiad Calvia ESP· Oct 16 – 29, 2004 | Oct 16 – 29, 2004 | Classical | 109 | 2191 | 91 |
| Muensterland OpenSenden· Oct 22 – 29, 2004 | Oct 22 – 29, 2004 | Classical | 45 | 2191 | 64 |
| Calvia U2000 opAMallorca· Oct 22 – 29, 2004 | Oct 22 – 29, 2004 | Classical | 117 | 1959 | 142 |
| Olympiades Calvia (36eme feminin)Calvia· Oct 16 – 29, 2004 | Oct 16 – 29, 2004 | Classical | 92 | 2171 | 72 |
| 36. Chess Olympiad· Oct 15 – 29, 2004 | Oct 15 – 29, 2004 | Classical | 26 | 2519 | 18 |
Calvia ol (Men) Mallorca ESP· Oct 17 – 29, 2004 | Oct 17 – 29, 2004 | Classical | 55 | 2401 | 42 |
| Mondragon Arrasate Hiria Open 4thMondragon· Sep 24 – Oct 29, 2004 | Sep 24 – Oct 29, 2004 | Classical | 24 | 2010 | 23 |
36. Chess Olympiad Calvia ESP· Oct 16 – 29, 2004 | Oct 16 – 29, 2004 | Classical | 94 | 2523 | 79 |
| Calvia ol (Men)Mallorca· Oct 15 – 29, 2004 | Oct 15 – 29, 2004 | Classical | 271 | 2330 | 251 |
| Calvia ol womenMallorca· Oct 15 – 29, 2004 | Oct 15 – 29, 2004 | Classical | 127 | 2140 | 129 |
Olympiades Calvia (36eme feminin) Calvia ESP· Oct 16 – 29, 2004 | Oct 16 – 29, 2004 | Classical | 38 | 2178 | 23 |
Olympiad women Calvia ESP· Oct 16 – 29, 2004 | Oct 16 – 29, 2004 | Classical | 98 | 2165 | 94 |
Olympiades Calvia (36eme) Calvia ESP· Oct 16 – 29, 2004 | Oct 16 – 29, 2004 | Classical | 450 | 2318 | 517 |
36. Olympiad women Calvia ESP· Oct 15 – 29, 2004 | Oct 15 – 29, 2004 | Classical | 352 | 2141 | 1,456 |
| Calvia U2300 opBMallorca· Oct 22 – 29, 2004 | Oct 22 – 29, 2004 | Classical | 124 | 2172 | 221 |
36. Olympiad Calvia ESP· Oct 15 – 29, 2004 | Oct 15 – 29, 2004 | Classical | 776 | 2332 | 2,709 |
Rodgers Memorial Ottawa CAN· Sep 16 – Oct 28, 2004 | Sep 16 – Oct 28, 2004 | Classical | 8 | 2074 | 7 |
Defi Belfortain (1er) Belfort FRA· Oct 23 – 27, 2004 | Oct 23 – 27, 2004 | Classical | 4 | 2401 | 5 |