Greek International Master Theodorou Nikolas won the 2021 Missouri Grand Championship which took place from 5th-9th May in Stoney Creek Hotel & Conference Center, Columbia/Missouri.
Theodorou scored 8/9 points to be the sole winner of the event. IM Kevlishvili Robby with 7 points took second place and GM Repka Christopher with score of 6 points came third.
The event gathered 24 participants, among whom: 2 Grandmasters, 3 International masters, 3 Women Grandmasters, 1 Women International Master, and in total, 13 titled players.
Final rankings:
| Rk. | Name | FED | Rtg | Pts. | |
| 1 | IM | THEODOROU Nikolas | GRE | 2554 | 8 |
| 2 | IM | KEVLISHVILI Robby | NED | 2495 | 7 |
| 3 | GM | REPKA Christopher | SVK | 2497 | 6 |
| 4 | FM | LIANG Jason | USA | 2326 | 5.5 |
| 5 | ARIPOV Iskandar | UZB | 2225 | 5.5 | |
| 6 | IM | SHETTY Atulya | USA | 2466 | 5.5 |
| 7 | WGM | YU Jennifer | USA | 2312 | 5 |
| 8 | WGM | TOKHIRJONOVA Gulrukhbegim | USA | 2350 | 5 |
| 9 | GHAZARIAN Kirk | USA | 2170 | 5 | |
| 10 | FM | YANAYT Eugene | USA | 2052 | 4.5 |
| 11 | CHEN Ryo | USA | 2183 | 4 | |
| 12 | SINGH Hersh | USA | 2096 | 4 | |
| 13 | PROLEIKO Julian | USA | 2149 | 4 | |
| 14 | WIM | MOKRIAK Liudmila | UKR | 2052 | 4 |
| 15 | FM | POSTHUMA Joshua | USA | 2291 | 4 |
| 16 | ZALOZNYY Mike | USA | 2014 | 3.5 | |
| 17 | WCM | ZENG Sheena | USA | 2065 | 3.5 |
| 18 | WGM | HEREDIA SERRANO Carla | ECU | 2139 | 3 |
| 19 | HERMAN Daniel | USA | 1946 | 3 | |
| 20 | TAYLOR Stewart | USA | 1958 | 3 | |
| 21 | FOWLER Samuel | USA | 2093 | 2.5 | |
| 22 | CAVANAH Troy | USA | 1938 | 2 | |
| 23 | SHAFFER Alexander | PUR | 1858 | 2 | |
| 24 | GM | RAMIREZ Alejandro | USA | 2567 | 1.5 |
More information: Official Website / Results
