| FICGS__CHESS__NO_ENGINES_TOURNAMENT__000055FICGS· May 30, 2012 | May 30, 2012 | Classical | 6 | 1572 | 6 |
| RA-00214LSS· May 27 – 30, 2012 | May 27 – 30, 2012 | Classical | 7 | 2028 | 20 |
| RB-00179LSS· May 26 – 30, 2012 | May 26 – 30, 2012 | Classical | 7 | 1787 | 21 |
| SC-00146LSS· May 18 – 30, 2012 | May 18 – 30, 2012 | Classical | 7 | 1772 | 11 |
ISL Ch Playoff 2012 Kopavogur ISL· May 25 – 30, 2012 | May 25 – 30, 2012 | Classical | 2 | 2453 | 10 |
4. Limpedea Cup Baia Sprie ROU· May 21 – 30, 2012 | May 21 – 30, 2012 | Classical | 12 | 2516 | 65 |
| Ekipni Kup Crne Gore· May 26 – 29, 2012 | May 26 – 29, 2012 | Classical | 5 | 2534 | 7 |
4. GM POL-UKR Rapid Match Lublin POL· May 29, 2012 | May 29, 2012 | Rapid | 10 | 2642 | 20 |
| SA-00268LSS· May 28 – 29, 2012 | May 28 – 29, 2012 | Classical | 7 | 2054 | 21 |
| Cetinje MNT, Team Cup 2012Cetinje MNT· May 25 – 29, 2012 | May 25 – 29, 2012 | Classical | 29 | 2289 | 39 |
| FICGS__CHESS__STANDARD_OPEN__000003FICGS· May 29, 2012 | May 29, 2012 | Classical | 5 | 1929 | 20 |
POC-PSC National Games 2012 Dumaguete City PHI· May 27 – 29, 2012 | May 27 – 29, 2012 | Classical | 41 | 2134 | 40 |
Winnipeg TNT May Open Winnipeg CAN· May 8 – 29, 2012 | May 8 – 29, 2012 | Classical | 22 | 1821 | 36 |
Cup Limpedea (cat.11) Baia Sprie ROU· May 21 – 28, 2012 | May 21 – 28, 2012 | Classical | 9 | 2527 | 6 |
Charlesbourg Zukertort Charlesbourg CAN· Apr 30 – May 28, 2012 | Apr 30 – May 28, 2012 | Classical | 10 | 1786 | 8 |
| FICGS__CHESS__CLASS_A__000122FICGS· May 28, 2012 | May 28, 2012 | Classical | 6 | 1960 | 13 |
| SA-00267LSS· May 25 – 28, 2012 | May 25 – 28, 2012 | Classical | 7 | 2047 | 21 |
Tirupathi IND, 50. Challengers Ch Tirupathi IND· May 19 – 28, 2012 | May 19 – 28, 2012 | Classical | 14 | 2294 | 12 |
Memorial Day Classic Ontario CAN· May 26 – 28, 2012 | May 26 – 28, 2012 | Classical | 19 | 2115 | 19 |
6. ENCI Limburg Open 2012 Limburg NED· May 25 – 28, 2012 | May 25 – 28, 2012 | Classical | 48 | 2309 | 68 |
50. ch-IND Challengers 2012 Tirupathi IND· May 19 – 28, 2012 | May 19 – 28, 2012 | Classical | 10 | 2364 | 8 |
| OP-02217LSS· May 28, 2012 | May 28, 2012 | Classical | 5 | 1273 | 6 |
4. GM POL-UKR Match Lublin POL· May 24 – 28, 2012 | May 24 – 28, 2012 | Classical | 10 | 2642 | 24 |
Ch India (challengers) Tirupati IND· May 18 – 28, 2012 | May 18 – 28, 2012 | Classical | 24 | 2260 | 18 |
50. ch-IND Challengers 2012 Tirupati IND· May 18 – 28, 2012 | May 18 – 28, 2012 | Classical | 123 | 2119 | 238 |
31. OCF NAO FIDE Open Stillwater USA· May 26 – 28, 2012 | May 26 – 28, 2012 | Classical | 51 | 1883 | 121 |
21. Chicago Open Wheeling USA· May 24 – 28, 2012 | May 24 – 28, 2012 | Classical | 77 | 2315 | 180 |
Wheeling USA, Chicago Open 2012 Wheeling USA· May 26 – 28, 2012 | May 26 – 28, 2012 | Classical | 11 | 2328 | 8 |
29. BSG Pinkster Open Bussum NED· May 25 – 28, 2012 | May 25 – 28, 2012 | Classical | 46 | 2066 | 116 |
Foz do Iguacu BRA, 2. Open Foz do Iguacu BRA· May 26 – 27, 2012 | May 26 – 27, 2012 | Classical | 14 | 2093 | 15 |
| Rapid ESThKalamaria Thessalonikis, Zaha· May 20 – 27, 2012 | May 20 – 27, 2012 | Rapid | 9 | 2007 | 8 |
Caissa IM May 2012 Kecskemet HUN· May 19 – 27, 2012 | May 19 – 27, 2012 | Classical | 10 | 2256 | 44 |
ch-UZB Major 2012 Tashkent UZB· May 17 – 27, 2012 | May 17 – 27, 2012 | Classical | 12 | 2341 | 65 |
Vlado Andriusaicio Rapid A 2012 Vilnius LTU· May 26 – 27, 2012 | May 26 – 27, 2012 | Rapid | 29 | 2027 | 78 |
34. Portuguese Cup Vale de Cambra POR· May 26 – 27, 2012 | May 26 – 27, 2012 | Classical | 16 | 2157 | 12 |
Orlova Open 2012 Orlova CZE· May 21 – 27, 2012 | May 21 – 27, 2012 | Classical | 89 | 1833 | 132 |
| FICGS__CHESS__THEMATIC_TOURNAMENT__000149FICGS· May 26, 2012 | May 26, 2012 | Classical | 8 | 1853 | 19 |
Sherbrooke Open Sherbrooke CAN· May 25 – 26, 2012 | May 25 – 26, 2012 | Classical | 8 | 2099 | 6 |
Llinars del Valles ESP, 6. Open Llinars del Valles ESP· Apr 28 – May 26, 2012 | Apr 28 – May 26, 2012 | Classical | 13 | 2141 | 13 |
| OP-02214LSS· May 26, 2012 | May 26, 2012 | Classical | 5 | 1302 | 7 |
Barquisimeto VEN, Open 2012 Barquisimeto VEN· May 24 – 26, 2012 | May 24 – 26, 2012 | Classical | 39 | 2157 | 62 |
WCh 2012 Moscow RUS· May 11 – 26, 2012 | May 11 – 26, 2012 | Classical | 2 | 2759 | 7 |
Asian Nations Chess Cup Zaozhuang CHN· May 17 – 26, 2012 | May 17 – 26, 2012 | Classical | 72 | 2337 | 262 |
Asian Nations Chess Cup women Zaozhuang CHN· May 17 – 26, 2012 | May 17 – 26, 2012 | Classical | 49 | 2263 | 181 |
| Subotica SER, City Ch 2012Subotica SER· May 9 – 25, 2012 | May 9 – 25, 2012 | Classical | 19 | 2113 | 39 |
| SB-00230LSS· May 22 – 25, 2012 | May 22 – 25, 2012 | Classical | 7 | 1917 | 21 |
| OP-02213LSS· May 25, 2012 | May 25, 2012 | Classical | 5 | 1386 | 7 |
Hart House Ch Toronto CAN· May 4 – 25, 2012 | May 4 – 25, 2012 | Classical | 7 | 2006 | 6 |
| RA-00213LSS· May 15 – 25, 2012 | May 15 – 25, 2012 | Classical | 7 | 2029 | 21 |
ch-UZB Major w 2012 Tashkent UZB· May 17 – 25, 2012 | May 17 – 25, 2012 | Classical | 10 | 2057 | 45 |