4. Beirut Open Beirut LBA· May 14 – 22, 2011 | May 14 – 22, 2011 | Classical | 55 | 1961 | 71 |
Lublin 3rd Lublin POL· May 17 – 21, 2011 | May 17 – 21, 2011 | Classical | 6 | 2681 | 6 |
Capablanca Memorial Elite 46th Havana CUB· May 11 – 21, 2011 | May 11 – 21, 2011 | Classical | 6 | 2712 | 9 |
Llobregat ESP, 3. Open Llobregat ESP· Apr 16 – May 21, 2011 | Apr 16 – May 21, 2011 | Classical | 7 | 2088 | 6 |
DPMM Final Baden-Baden GER· May 20 – 21, 2011 | May 20 – 21, 2011 | Classical | 16 | 2478 | 13 |
| 3o Open A.S.O.P DIAS 2011Petroupoli· May 7 – 21, 2011 | May 7 – 21, 2011 | Classical | 27 | 1488 | 28 |
CUCA women Luanda ANG· May 18 – 21, 2011 | May 18 – 21, 2011 | Classical | 10 | 1839 | 17 |
3. Lublin GM Lublin POL· May 15 – 21, 2011 | May 15 – 21, 2011 | Classical | 8 | 2680 | 20 |
I Bahia Feliz GM Bahia Feliz ESP· May 12 – 21, 2011 | May 12 – 21, 2011 | Classical | 10 | 2547 | 45 |
ch-Catalan KO Sabadell ESP· May 14 – 21, 2011 | May 14 – 21, 2011 | Classical | 15 | 2361 | 32 |
Tambov RUS, Pavlyutin Mem 2011 Tambov RUS· May 17 – 21, 2011 | May 17 – 21, 2011 | Classical | 9 | 2184 | 35 |
46. Capablanca Memorial Elite Havana CUB· May 11 – 21, 2011 | May 11 – 21, 2011 | Classical | 6 | 2712 | 21 |
46. Capablanca Memorial Open A Havana CUB· May 19 – 21, 2011 | May 19 – 21, 2011 | Classical | 112 | 2310 | 131 |
Santa Susanna ESP, 27. Seniors Ch Santa Susanna ESP· May 14 – 21, 2011 | May 14 – 21, 2011 | Classical | 19 | 2128 | 44 |
TCh-UKR Clubs 2011 Alushta UKR· May 13 – 21, 2011 | May 13 – 21, 2011 | Classical | 83 | 2281 | 261 |
| OP-01541LSS· May 21, 2011 | May 21, 2011 | Classical | 5 | 1477 | 7 |
| SA-00195LSS· May 18 – 20, 2011 | May 18 – 20, 2011 | Classical | 7 | 2013 | 21 |
ch-Moscow KO Moscow RUS· May 18 – 20, 2011 | May 18 – 20, 2011 | Classical | 32 | 2407 | 49 |
BUL Ch Seniors Sofia BUL· May 14 – 20, 2011 | May 14 – 20, 2011 | Classical | 28 | 1986 | 117 |
| OP-01539LSS· May 20, 2011 | May 20, 2011 | Classical | 5 | 1881 | 9 |
| SB-00152LSS· May 16 – 20, 2011 | May 16 – 20, 2011 | Classical | 7 | 1882 | 21 |
CZE Ch Pardubice CZE· May 12 – 20, 2011 | May 12 – 20, 2011 | Classical | 10 | 2517 | 44 |
20. Championship of Macedonia Skopje MKD· May 11 – 19, 2011 | May 11 – 19, 2011 | Classical | 4 | 2498 | 5 |
| 20. Championship of Macedonia· May 11 – 19, 2011 | May 11 – 19, 2011 | Classical | 4 | 2498 | 5 |
20. ch-MKD 2011 Skopje MKD· May 10 – 19, 2011 | May 10 – 19, 2011 | Classical | 10 | 2402 | 40 |
46. Capablanca Memorial Premier Havana CUB· May 11 – 19, 2011 | May 11 – 19, 2011 | Classical | 10 | 2559 | 43 |
| OP-01536LSS· May 19, 2011 | May 19, 2011 | Classical | 5 | 1579 | 7 |
8. Open Primavera Robecchetto con Induno ITA· Apr 7 – May 19, 2011 | Apr 7 – May 19, 2011 | Classical | 25 | 1664 | 37 |
| OP-01537LSS· May 19, 2011 | May 19, 2011 | Classical | 5 | 1651 | 5 |
| OP-01535LSS· May 18, 2011 | May 18, 2011 | Classical | 5 | 1484 | 7 |
| FICGS__CHESS__RAPID_B__000181FICGS· May 18, 2011 | May 18, 2011 | Classical | 6 | 1852 | 7 |
ch-Euro Individual women Tbilisi GEO· May 13 – 18, 2011 | May 13 – 18, 2011 | Classical | 6 | 2496 | 5 |
La Habana CUB, 46. Open-A Havana CUB· May 11 – 18, 2011 | May 11 – 18, 2011 | Classical | 13 | 2338 | 9 |
| Faxe Dags EMT 2011Faxe· Mar 30 – May 18, 2011 | Mar 30 – May 18, 2011 | Classical | 16 | 1728 | 19 |
FSFMA May Budapest HUN· May 7 – 18, 2011 | May 7 – 18, 2011 | Classical | 12 | 2029 | 64 |
FSGM May Budapest HUN· May 7 – 18, 2011 | May 7 – 18, 2011 | Classical | 7 | 2426 | 32 |
FSIM May Budapest HUN· May 7 – 18, 2011 | May 7 – 18, 2011 | Classical | 14 | 2247 | 62 |
46. Capablanca Memorial Open B Havana CUB· May 11 – 18, 2011 | May 11 – 18, 2011 | Classical | 115 | 2097 | 299 |
9. Somov Memorial Kirishi RUS· May 7 – 18, 2011 | May 7 – 18, 2011 | Classical | 13 | 2344 | 67 |
ch-Euro Indiv women Tbilisi GEO· May 7 – 18, 2011 | May 7 – 18, 2011 | Classical | 129 | 2221 | 680 |
| First Saturday Tournaments - G· May 7 – 17, 2011 | May 7 – 17, 2011 | Classical | 3 | 2500 | 10 |
| RA-00132LSS· May 16 – 17, 2011 | May 16 – 17, 2011 | Classical | 6 | 2102 | 15 |
| OP-01534LSS· May 17, 2011 | May 17, 2011 | Classical | 5 | 1782 | 9 |
FSFMB May Budapest HUN· May 7 – 17, 2011 | May 7 – 17, 2011 | Classical | 6 | 1895 | 28 |
World ChampionshipCandidates Kazan RUS· May 9 – 16, 2011 | May 9 – 16, 2011 | Classical | 6 | 2758 | 14 |
| OP-01532LSS· May 16, 2011 | May 16, 2011 | Classical | 5 | 1444 | 7 |
| OP-01531LSS· May 16, 2011 | May 16, 2011 | Classical | 5 | 1576 | 7 |
2. Danzhou GM Danzhou CHN· May 15 – 16, 2011 | May 15 – 16, 2011 | Classical | 9 | 2511 | 8 |
| FICGS__CHESS__CLASS_B__000146FICGS· May 16, 2011 | May 16, 2011 | Classical | 6 | 1882 | 15 |
| SB-00151LSS· May 14 – 16, 2011 | May 14 – 16, 2011 | Classical | 7 | 2028 | 21 |