| OP-04593LSS· May 31, 2018 | May 31, 2018 | Classical | 7 | 1490 | 6 |
| FICGS__CHESS__RAPID_C__000168FICGS· May 31, 2018 | May 31, 2018 | Classical | 7 | 1705 | 10 |
CHN-RUS Summit 2018 Qinhuangdao CHN· May 27 – 31, 2018 | May 27 – 31, 2018 | Classical | 10 | 2626 | 26 |
| OP-04592LSS· May 31, 2018 | May 31, 2018 | Classical | 5 | 1327 | 6 |
Guillermo Garcia Master 1 Santa Clara CUB· May 22 – 31, 2018 | May 22 – 31, 2018 | Classical | 11 | 2291 | 52 |
Guillermo Garcia Master 2 Santa Clara CUB· May 22 – 31, 2018 | May 22 – 31, 2018 | Classical | 11 | 2315 | 40 |
CHN-RUS Summit Women 2018 Qinhuangdao CHN· May 27 – 31, 2018 | May 27 – 31, 2018 | Classical | 10 | 2316 | 25 |
| SM-00393LSS· Feb 23 – May 31, 2018 | Feb 23 – May 31, 2018 | Classical | 7 | 2348 | 21 |
Guillermo Garcia Prem 2 Santa Clara CUB· May 22 – 31, 2018 | May 22 – 31, 2018 | Classical | 10 | 2436 | 45 |
Guillermo Garcia Prem 1 Santa Clara CUB· May 22 – 31, 2018 | May 22 – 31, 2018 | Classical | 10 | 2437 | 44 |
ch-Madrid Final 2018 Madrid ESP· May 26 – 31, 2018 | May 26 – 31, 2018 | Classical | 28 | 2142 | 87 |
| SB-00534LSS· May 29 – 31, 2018 | May 29 – 31, 2018 | Classical | 7 | 1959 | 21 |
Guillermo Garcia Open Santa Clara CUB· May 22 – 31, 2018 | May 22 – 31, 2018 | Classical | 80 | 2059 | 333 |
11. KIIT Elite Open 2018 Bhubaneswar IND· May 25 – 31, 2018 | May 25 – 31, 2018 | Classical | 124 | 2201 | 251 |
| FICGS__CHESS__RAPID_B__000280FICGS· May 30, 2018 | May 30, 2018 | Classical | 5 | 1759 | 7 |
| FICGS__CHESS__RAPID_A__000218FICGS· May 30, 2018 | May 30, 2018 | Classical | 5 | 2024 | 9 |
| SC-00352LSS· May 29 – 30, 2018 | May 29 – 30, 2018 | Classical | 7 | 1892 | 20 |
| SA-00633LSS· May 28 – 30, 2018 | May 28 – 30, 2018 | Classical | 10 | 2013 | 32 |
| SC-00351LSS· May 22 – 29, 2018 | May 22 – 29, 2018 | Classical | 7 | 1884 | 20 |
| SB-00533LSS· May 28 – 29, 2018 | May 28 – 29, 2018 | Classical | 7 | 1929 | 20 |
Winnipeg TNT 2018.05 Winnipeg CAN· May 8 – 29, 2018 | May 8 – 29, 2018 | Classical | 25 | 1729 | 29 |
Ch Croatia women Zagreb CRO· May 23 – 29, 2018 | May 23 – 29, 2018 | Classical | 9 | 1850 | 8 |
CRO Ch w 2018 Zagreb CRO· May 23 – 29, 2018 | May 23 – 29, 2018 | Classical | 25 | 1748 | 68 |
Cherry Blossom Classic Dulles USA· May 25 – 28, 2018 | May 25 – 28, 2018 | Classical | 26 | 2193 | 41 |
Memorial Day Classic Loma Linda USA· May 26 – 28, 2018 | May 26 – 28, 2018 | Classical | 11 | 2056 | 9 |
Memorial Day Classic 2018 Loma Linda USA· May 26 – 28, 2018 | May 26 – 28, 2018 | Classical | 9 | 2039 | 7 |
1. 4NCL Spring Bank 2018 Basingstoke ENG· May 25 – 28, 2018 | May 25 – 28, 2018 | Classical | 42 | 2077 | 48 |
| SA-00632LSS· May 18 – 28, 2018 | May 18 – 28, 2018 | Classical | 9 | 2012 | 30 |
| Cotswold Open 2018Kings School, Gloucester· May 26 – 28, 2018 | May 26 – 28, 2018 | Classical | 22 | 1855 | 59 |
| OP-04580LSS· May 5 – 28, 2018 | May 5 – 28, 2018 | Classical | 7 | 1648 | 12 |
27. Chicago Open 2018 Chicago, IL USA· May 24 – 28, 2018 | May 24 – 28, 2018 | Classical | 74 | 2359 | 125 |
| RB-00359LSS· May 21 – 28, 2018 | May 21 – 28, 2018 | Classical | 7 | 1887 | 21 |
| 1. 4NCL Spring Bank Holiday CongressBasingstoke· May 25 – 28, 2018 | May 25 – 28, 2018 | Classical | 92 | 1910 | 144 |
6. Norway Blitz 2018 Stavanger NOR· May 27, 2018 | May 27, 2018 | Blitz | 11 | 2791 | 54 |
Sharjah Rapid 2018 Sharjah UAE· May 23 – 27, 2018 | May 23 – 27, 2018 | Rapid | 48 | 1977 | 89 |
9. WLC Weekender 2018 Eindhoven NED· May 25 – 27, 2018 | May 25 – 27, 2018 | Classical | 28 | 2098 | 39 |
Montreal Ligue elite du dimanche Montreal CAN· May 26 – 27, 2018 | May 26 – 27, 2018 | Classical | 14 | 2107 | 14 |
1. 4NCL Spring Bank Holiday Congress Basingstoke ENG· May 25 – 27, 2018 | May 25 – 27, 2018 | Classical | 46 | 2083 | 92 |
| We HSK kevat 2018 Helsinki· May 25 – 27, 2018 | May 25 – 27, 2018 | Classical | 18 | 2071 | 31 |
Sherbrooke Open Sherbrooke CAN· May 26 – 27, 2018 | May 26 – 27, 2018 | Classical | 5 | 2078 | 5 |
RSHSH Masters Cup 2018 Moscow RUS· May 19 – 27, 2018 | May 19 – 27, 2018 | Classical | 10 | 2273 | 40 |
ch-MGL 2018 Tsetserleg MGL· May 22 – 27, 2018 | May 22 – 27, 2018 | Classical | 12 | 2300 | 40 |
3. Sat Djenovici May IM Djenovici MNE· May 19 – 27, 2018 | May 19 – 27, 2018 | Classical | 10 | 2250 | 43 |
Ayr Congress Open 2018 Ayr SCO· May 25 – 27, 2018 | May 25 – 27, 2018 | Classical | 25 | 1957 | 44 |
1. Bohumin Open 2018 Bohumin CZE· May 20 – 27, 2018 | May 20 – 27, 2018 | Classical | 58 | 1842 | 149 |
3. Sat Djenovici May FM Djenovici MNE· May 19 – 27, 2018 | May 19 – 27, 2018 | Classical | 5 | 1888 | 27 |
ch-MGL Women 2018 Tsetserleg MGL· May 22 – 27, 2018 | May 22 – 27, 2018 | Classical | 12 | 2031 | 28 |
CHN-RUS Summit Blitz 2018 Qinhuangdao CHN· May 26, 2018 | May 26, 2018 | Blitz | 9 | 2630 | 23 |
16. Somov Memorial 2018 Kirishi RUS· May 15 – 26, 2018 | May 15 – 26, 2018 | Classical | 12 | 2362 | 62 |
CHN-RUS Women Blitz 2018 Qinhuangdao CHN· May 26, 2018 | May 26, 2018 | Blitz | 10 | 2308 | 45 |