Joshua Posthuma
Country
USA
Birth Year
2000
Gender
M
Title
International Master
FIDE ID
2096889
USCF ID
13856778
USCF Rating
2465
FIDE rating history
View rating lists
USCF rating history
View rating lists
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-07 (UTC).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 251 | 2020-03-05 | Montreal Winter IM 2020 | Montreal CAN | 6.4 | Joshua Posthuma | Rohan Talukdar | 1/2-1/2 | 47 | Open |
| 252 | 2020-03-04 | Montreal Winter IM 2020 | Montreal CAN | 5.2 | Justus Williams | Joshua Posthuma | 1-0 | 55 | Open |
| 253 | 2020-03-04 | Montreal Winter IM 2020 | Montreal CAN | 4.5 | Joshua Posthuma | Dagur Ragnarsson | 1-0 | 50 | Open |
| 254 | 2020-03-03 | Montreal Winter IM 2020 | Montreal CAN | 3.1 | Joshua Posthuma | Shawn Rodrigue-Lemieux | 1/2-1/2 | 59 | Open |
| 255 | 2020-03-03 | Montreal Winter IM 2020 | Montreal CAN | 2.5 | Doug Eckert | Joshua Posthuma | 1-0 | 53 | Open |
| 256 | 2020-03-02 | Montreal Winter IM 2020 | Montreal CAN | 1.2 | Joshua Posthuma | Thanh Nha Duong | 0-1 | 78 | Open |
| 257 | 2020-02-23 | Elevate My Chess Feb IM | Oakville CAN | 9.3 | Joshua Posthuma | Jordan Clyde | 1-0 | 30 | Open |
| 258 | 2020-02-23 | Elevate My Chess Feb IM | Oakville CAN | 8.3 | Silas Lund | Joshua Posthuma | 0-1 | 37 | Open |
| 259 | 2020-02-22 | Elevate My Chess Feb IM | Oakville CAN | 7.4 | Joshua Posthuma | Mark Plotkin | 0-1 | 66 | Open |
| 260 | 2020-02-22 | Elevate My Chess Feb IM | Oakville CAN | 6.2 | Nicholas Vettese | Joshua Posthuma | 0-1 | 50 | Open |
| 261 | 2020-02-21 | Elevate My Chess Feb IM | Oakville CAN | 5.1 | Joshua Posthuma | Tangi Migot | 1/2-1/2 | 32 | Open |
| 262 | 2020-02-21 | Elevate My Chess Feb IM | Oakville CAN | 4.1 | Eugene Hua | Joshua Posthuma | 1/2-1/2 | 71 | Open |
| 263 | 2020-02-20 | Elevate My Chess Feb IM | Oakville CAN | 3.5 | Jason Liang | Joshua Posthuma | 1/2-1/2 | 166 | Open |
| 264 | 2020-02-20 | Elevate My Chess Feb IM | Oakville CAN | 2.2 | Joshua Posthuma | Tomas Krnan | 1/2-1/2 | 25 | Open |
| 265 | 2020-02-19 | Elevate My Chess Feb IM | Oakville CAN | 1.2 | Liran Zhou | Joshua Posthuma | 1-0 | 57 | Open |
| 266 | 2019-07-31 | 8th Washington Int 2019 | Rockville USA | 9.9 | Jason Wang | Joshua Posthuma | 0-1 | 59 | Open |
| 267 | 2019-07-30 | 8th Washington Int 2019 | Rockville USA | 7.7 | Jennifer Yu | Joshua Posthuma | 1-0 | 50 | Open |
| 268 | 2019-07-05 | 47th Annual World Open | Philadelphia USA | 5 | Emilio Cordova | Joshua Posthuma | 1/2-1/2 | 11 | Open |
| 269 | 2019-07-04 | 47th Annual World Open | Philadelphia USA | 3 | Yuniesky Quesada Perez | Joshua Posthuma | 1-0 | 35 | Open |
| 270 | 2019-05-27 | 28th Chicago Open 2019 | Chicago USA | 9 | Joshua Posthuma | Gabriel Eidelman | 1-0 | 39 | Open |
| 271 | 2019-05-27 | 28th Chicago Open 2019 | Chicago USA | 8 | Carlos Antonio Hevia Alejano | Joshua Posthuma | 1-0 | 36 | Open |
| 272 | 2019-05-26 | 28th Chicago Open 2019 | Chicago USA | 7 | Joshua Posthuma | Joshua Sheng | 1/2-1/2 | 28 | Open |
| 273 | 2019-05-26 | 28th Chicago Open 2019 | Chicago USA | 6 | Joshua Posthuma | Aiden Zhou | 1-0 | 57 | Open |
| 274 | 2019-05-25 | 28th Chicago Open 2019 | Chicago USA | 5 | Nikola Mitkov | Joshua Posthuma | 1-0 | 59 | Open |
| 275 | 2018-05-28 | 27th Chicago Open 2018 | Chicago USA | 9 | Joshua Posthuma | Nickolas Moore | 1-0 | 26 | Open |
| 276 | 2017-05-28 | 26th Chicago Open 2017 | Chicago USA | 7.2 | Justin Sarkar | Joshua Posthuma | 1-0 | 33 | Open |
| 277 | 2017-05-27 | 26th Chicago Open 2017 | Chicago USA | 4.17 | Michael Song | Joshua Posthuma | 1/2-1/2 | 59 | Open |
| 278 | 2017-05-26 | 26th Chicago Open 2017 | Chicago USA | 3.38 | Joshua Posthuma | Steve Wongso | 1-0 | 27 | Open |
| 279 | 2017-05-26 | 26th Chicago Open 2017 | Chicago USA | 2.4 | Joshua Posthuma | Arthur Guo | 1-0 | 50 | Open |
| 280 | 2017-05-25 | 26th Chicago Open 2017 | Chicago USA | 1.6 | Ruifeng Li | Joshua Posthuma | 1-0 | 59 | Open |
| 281 | 2017-03-05 | Schwarzenegger Open 2017 | Columbus USA | 5 | Joshua Posthuma | James Mills | 1/2-1/2 | 41 | Open |
| 282 | 2017-03-05 | Schwarzenegger Open 2017 | Columbus USA | 4 | Vincent Baker | Joshua Posthuma | 0-1 | 46 | Open |
| 283 | 2017-03-04 | Schwarzenegger Open 2017 | Columbus USA | 3 | Awonder Liang | Joshua Posthuma | 1-0 | 27 | Open |
| 284 | 2017-03-04 | Schwarzenegger Open 2017 | Columbus USA | 2 | Joshua Posthuma | Scott Ramer | 1/2-1/2 | 37 | Open |
| 285 | 2017-03-03 | Schwarzenegger Open 2017 | Columbus USA | 1 | Aryan Balyan | Joshua Posthuma | 0-1 | 34 | Open |
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