Joshua Posthuma

Country

USA

Birth Year

2000

Gender

M

Title

International Master

FIDE ID

2096889

USCF ID

13856778

USCF Rating

2465

FIDE ratings

2372

Classical

Published FIDE

2439

Rapid

Published FIDE

2318

Blitz

Published FIDE

Official classical ranks

World rank
#2224
National rank · USA
#109

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2457 Apr 2023
Recorded years
2015–2026
Archived games
285

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists

USCF rating history

Published rating lists through Oct 2026.

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
201 2021-03-02 Titled Tuesday 2nd Mar chess.com INT 1 Joshua Posthuma Arnold Mayeregger 1-0 56 Open
202 2021-02-15 CCCSA Charlotte Masters Charlotte USA 6.6 Joshua Posthuma Evan Park 1/2-1/2 50 Open
203 2021-02-15 CCCSA Charlotte Masters Charlotte USA 5.4 Joshua Colas Joshua Posthuma 1-0 47 Open
204 2021-02-14 CCCSA Charlotte Masters Charlotte USA 4.4 Tianqi Wang Joshua Posthuma 1/2-1/2 37 Open
205 2021-02-14 CCCSA Charlotte Masters Charlotte USA 3.4 Joshua Posthuma Isaac Chiu 1-0 58 Open
206 2021-02-13 CCCSA Charlotte Masters Charlotte USA 2.3 Rochelle Wu Joshua Posthuma 1-0 37 Open
207 2021-02-13 CCCSA Charlotte Masters Charlotte USA 1.6 Joshua Posthuma Naman Kumar 1-0 39 Open
208 2020-11-29 CCCSA Thanksgiving IM Charlotte USA 9.5 Joshua Posthuma Vishnuvardhan Arjun 0-1 33 Open
209 2020-11-29 CCCSA Thanksgiving IM Charlotte USA 8.5 Nikolai Andrianov Joshua Posthuma 1-0 52 Open
210 2020-11-28 CCCSA Thanksgiving IM Charlotte USA 7.2 Joshua Posthuma Eric Li 1/2-1/2 42 Open
211 2020-11-28 CCCSA Thanksgiving IM Charlotte USA 6.4 Robert Shlyakhtenko Joshua Posthuma 1-0 46 Open
212 2020-11-27 CCCSA Thanksgiving IM Charlotte USA 5.1 Joshua Posthuma Lev Paciorkowski 0-1 48 Open
213 2020-11-27 CCCSA Thanksgiving IM Charlotte USA 4.3 Anthony Atanasov Joshua Posthuma 0-1 70 Open
214 2020-11-26 CCCSA Thanksgiving IM Charlotte USA 3.4 Joshua Posthuma Aaron Jacobson 1/2-1/2 64 Open
215 2020-11-26 CCCSA Thanksgiving IM Charlotte USA 2.2 Nikhil Kumar Joshua Posthuma 1-0 51 Open
216 2020-11-25 CCCSA Thanksgiving IM Charlotte USA 1.5 Joshua Posthuma Roberto Abel Martin Del Campo Cardenas 1-0 42 Open
217 2020-11-01 US Class Master 2020 Dulles USA 5 Joshua Posthuma Evan Park 1-0 48 Open
218 2020-11-01 US Class Master 2020 Dulles USA 4 Hans Moke Niemann Joshua Posthuma 1-0 87 Open
219 2020-11-01 US Class Master 2020 Dulles USA 3 Andrey Stukopin Joshua Posthuma 1/2-1/2 27 Open
220 2020-10-31 US Class Master 2020 Dulles USA 2 Joshua Posthuma Ryan Amburgy 1-0 30 Open
221 2020-10-03 Speed Chess Super Swiss chess.com INT 9 Joshua Posthuma Peter Svidler 0-1 47 Open
222 2020-10-03 Speed Chess Super Swiss chess.com INT 8 Ori Kobo Joshua Posthuma 1-0 32 Open
223 2020-10-03 Speed Chess Super Swiss chess.com INT 7 Maksim Chigaev Joshua Posthuma 0-1 34 Open
224 2020-10-03 Speed Chess Super Swiss chess.com INT 6 Joshua Posthuma Kevin Bordi 0-1 39 Open
225 2020-10-03 Speed Chess Super Swiss chess.com INT 5 Levan Pantsulaia Joshua Posthuma 0-1 45 Open
226 2020-10-03 Speed Chess Super Swiss chess.com INT 4 Joshua Posthuma Dawid Czerw 1-0 59 Open
227 2020-10-03 Speed Chess Super Swiss chess.com INT 3 Joshua Posthuma Pierre Villegas 1-0 55 Open
228 2020-10-03 Speed Chess Super Swiss chess.com INT 2 Nodirbek Abdusattorov Joshua Posthuma 1-0 43 Open
229 2020-10-03 Speed Chess Super Swiss chess.com INT 1 Joshua Posthuma Paulo Cesar Costa 1-0 49 Open
230 2020-10-03 Speed Chess Super Swiss chess.com INT 15 Joshua Posthuma Pedro Ramon Martinez Reyes 1-0 33 Open
231 2020-10-03 Speed Chess Super Swiss chess.com INT 14 Nils Grandelius Joshua Posthuma 1-0 61 Open
232 2020-10-03 Speed Chess Super Swiss chess.com INT 13 Joshua Posthuma Balazs Csonka 1-0 25 Open
233 2020-10-03 Speed Chess Super Swiss chess.com INT 12 Kacper Piorun Joshua Posthuma 1-0 65 Open
234 2020-10-03 Speed Chess Super Swiss chess.com INT 11 Jonathan Carlstedt Joshua Posthuma 0-1 29 Open
235 2020-10-03 Speed Chess Super Swiss chess.com INT 10 Joshua Posthuma Viktor Skliarov 1-0 49 Open
236 2020-09-29 Titled Tuesday 29th Sept chess.com INT 1 Aziz Degenbaev Joshua Posthuma 1-0 38 Open
237 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 9 Cristi Machidon Joshua Posthuma 0-1 31 Open
238 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 7 Dmitry Goltsev Joshua Posthuma 1-0 57 Open
239 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 6 Joshua Posthuma Tuan Minh Le 0-1 53 Open
240 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 5 Samuel-Timotei Ghimpu Joshua Posthuma 0-1 15 Open
241 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 4 Joshua Posthuma Juan Cruz Arias 1-0 48 Open
242 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 3 Giga Quparadze Joshua Posthuma 1-0 18 Open
243 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 2 Ali Mortazavi Joshua Posthuma 0-1 52 Open
244 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 1 Joshua Posthuma Vinicius Tine Martins 1-0 64 Open
245 2020-09-22 Titled Tuesday 22nd Sept chess.com INT 10 Joshua Posthuma Arghyadip Das 0-1 35 Open
246 2020-04-28 Titled Tuesday 28th Apr chess.com INT 7 Joshua Posthuma Erik Obgolts 0-1 29 Open
247 2020-04-28 Titled Tuesday 28th Apr chess.com INT 2 Quang Liem Le Joshua Posthuma 1-0 30 Open
248 2020-03-06 Montreal Winter IM 2020 Montreal CAN 9.4 Raymond Kaufman Joshua Posthuma 0-1 36 Open
249 2020-03-06 Montreal Winter IM 2020 Montreal CAN 8.3 Joshua Posthuma Jason Liang 1/2-1/2 82 Open
250 2020-03-05 Montreal Winter IM 2020 Montreal CAN 7.3 David Vigorito Joshua Posthuma 0-1 37 Open

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