Spijkenisse NED, Open 2010 Spijkenisse NED· May 14 – 16, 2010 | May 14 – 16, 2010 | Classical | 17 | 2180 | 27 |
BEL-VSF Gent BEL· May 13 – 16, 2010 | May 13 – 16, 2010 | Classical | 18 | 2147 | 61 |
| RA-00090LSS· May 15 – 16, 2010 | May 15 – 16, 2010 | Classical | 7 | 2128 | 21 |
Open ch-State Stuttgart GER· May 13 – 16, 2010 | May 13 – 16, 2010 | Classical | 43 | 2225 | 56 |
Ditzingen GER, Open 2010 Ditzingen GER· May 13 – 16, 2010 | May 13 – 16, 2010 | Classical | 20 | 2182 | 15 |
Bargteheide GER, Open 2010 Bargteheide GER· May 13 – 16, 2010 | May 13 – 16, 2010 | Classical | 44 | 2190 | 68 |
| SD-00057LSS· May 15, 2010 | May 15, 2010 | Classical | 7 | 1745 | 6 |
DPMM Halle GER· May 14 – 15, 2010 | May 14 – 15, 2010 | Classical | 16 | 2499 | 16 |
Abrahamyan vs. Taylor Match Los Angeles, CA USA· Apr 17 – May 15, 2010 | Apr 17 – May 15, 2010 | Classical | 2 | 2313 | 6 |
| FICGS__CHESS__CLASS_A__000071FICGS· May 15, 2010 | May 15, 2010 | Classical | 7 | 1999 | 21 |
XV MIC Split CRO· May 9 – 15, 2010 | May 9 – 15, 2010 | Classical | 11 | 2400 | 38 |
Triesen LIE, 28. Open Triesen LIE· May 7 – 15, 2010 | May 7 – 15, 2010 | Classical | 66 | 2181 | 160 |
| RN-00287LSS· May 13 – 14, 2010 | May 13 – 14, 2010 | Classical | 7 | 1094 | 6 |
Kula BUL, Open 2010 Kula BUL· May 10 – 14, 2010 | May 10 – 14, 2010 | Classical | 12 | 2250 | 19 |
| FICGS__CHESS__UNRATED_TOURNAMENT__000007FICGS· May 14, 2010 | May 14, 2010 | Classical | 6 | 1661 | 8 |
| 40. It Bosna· May 6 – 14, 2010 | May 6 – 14, 2010 | Classical | 21 | 2567 | 28 |
40. Bosna Open Sarajevo BIH· May 5 – 14, 2010 | May 5 – 14, 2010 | Classical | 133 | 2405 | 359 |
KNSB Cup Amersfoort NED· May 13, 2010 | May 13, 2010 | Classical | 15 | 2386 | 16 |
| SC-00059LSS· May 5 – 11, 2010 | May 5 – 11, 2010 | Classical | 7 | 1763 | 11 |
| Logumkloster Byturnering Basis 1 2010Logumkloster· Apr 13 – May 11, 2010 | Apr 13 – May 11, 2010 | Classical | 6 | 1805 | 12 |
| ST-00072LSS· Mar 3 – May 11, 2010 | Mar 3 – May 11, 2010 | Classical | 7 | 2319 | 21 |
| SM-00102LSS· May 10 – 11, 2010 | May 10 – 11, 2010 | Classical | 7 | 2215 | 21 |
Alushta UKR, Men Ch 2010 Alushta UKR· May 3 – 11, 2010 | May 3 – 11, 2010 | Classical | 50 | 2202 | 68 |
UKR Ch Alushta UKR· May 3 – 11, 2010 | May 3 – 11, 2010 | Classical | 91 | 2171 | 311 |
| FICGS__CHESS__NO_ENGINES_TOURNAMENT__000029FICGS· May 10, 2010 | May 10, 2010 | Classical | 6 | 1802 | 9 |
| FICGS__CHESS__THEMATIC_TOURNAMENT__000113FICGS· May 10, 2010 | May 10, 2010 | Classical | 6 | 1551 | 7 |
FSIMB May Budapest HUN· May 2 – 10, 2010 | May 2 – 10, 2010 | Classical | 5 | 2293 | 14 |
| Ukrainian Championship· May 8 – 10, 2010 | May 8 – 10, 2010 | Classical | 4 | 2476 | 5 |
First Saturday IM-A May 2010 Budapest HUN· May 3 – 10, 2010 | May 3 – 10, 2010 | Classical | 11 | 2243 | 16 |
FSIMA May Budapest HUN· May 2 – 10, 2010 | May 2 – 10, 2010 | Classical | 13 | 2269 | 50 |
First Saturday IM-B May 2010 Budapest HUN· May 2 – 10, 2010 | May 2 – 10, 2010 | Classical | 6 | 2265 | 15 |
Quebec Ch Elite qual Montreal CAN· May 7 – 9, 2010 | May 7 – 9, 2010 | Classical | 13 | 2160 | 10 |
| Campionato Della Repubblica Ceca· May 4 – 9, 2010 | May 4 – 9, 2010 | Classical | 8 | 2554 | 9 |
| SB-00092LSS· May 8 – 9, 2010 | May 8 – 9, 2010 | Classical | 7 | 1930 | 19 |
5. Memorial Angelo Mo A Carignano ITA· May 7 – 9, 2010 | May 7 – 9, 2010 | Classical | 34 | 1917 | 38 |
| National Club Championship· May 8 – 9, 2010 | May 8 – 9, 2010 | Classical | 9 | 2126 | 6 |
FSGM May Budapest HUN· May 2 – 9, 2010 | May 2 – 9, 2010 | Classical | 10 | 2403 | 38 |
| OP-01154LSS· May 9, 2010 | May 9, 2010 | Classical | 4 | 1698 | 6 |
Nizhny Novgorod RUS, 7. Voroniatov Memorial Nizhny Novgorod RUS· May 4 – 9, 2010 | May 4 – 9, 2010 | Classical | 7 | 2108 | 7 |
CZE Ch Ostrava CZE· May 2 – 9, 2010 | May 2 – 9, 2010 | Classical | 91 | 2301 | 288 |
| RA-00089LSS· May 5 – 9, 2010 | May 5 – 9, 2010 | Classical | 7 | 2086 | 21 |
Chelyabinsk RUS, Victory Cup 2010 Chelyabinsk RUS· May 2 – 8, 2010 | May 2 – 8, 2010 | Classical | 10 | 2127 | 18 |
Las Palmas ESP, Liga Insular 2010 Las Palmas ESP· Jan 16 – May 8, 2010 | Jan 16 – May 8, 2010 | Classical | 35 | 2238 | 98 |
Ostrava CZE, MCR Open 2010 Ostrava CZE· May 2 – 8, 2010 | May 2 – 8, 2010 | Classical | 55 | 2216 | 89 |
Novokuznetsk RUS, Open 2010 Novokuznetsk RUS· Jan 2 – May 8, 2010 | Jan 2 – May 8, 2010 | Classical | 20 | 2190 | 73 |
Championship Israelian Israel ISR· Feb 5 – May 7, 2010 | Feb 5 – May 7, 2010 | Classical | 22 | 2521 | 14 |
World Championship Sofia BUL· Apr 27 – May 7, 2010 | Apr 27 – May 7, 2010 | Classical | 2 | 2801 | 6 |
| SA-00130LSS· May 6 – 7, 2010 | May 6 – 7, 2010 | Classical | 7 | 2020 | 21 |
| Championship Israelian· Feb 5 – May 7, 2010 | Feb 5 – May 7, 2010 | Classical | 26 | 2532 | 22 |
FIDE GP women Nalchik RUS· Apr 26 – May 7, 2010 | Apr 26 – May 7, 2010 | Classical | 12 | 2482 | 64 |