Joshua Posthuma

USA · 26 yrs · K=10 · Peak 2457 (Apr 2023)

Best performance: 2490 at 18th Continental Chess Cleveland Open - Major(Best of 2025)

World #=2228 live4#2,224 publishedUnited States #=109

OCT26 Rating

2372

Live Rating

2372.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	2026 Michigan Open — OpenSep 4 – Sep 7TPR 2285	6/7	2285

The live rating moves only when new rated games are played. Until then it matches the published rating.

Event timeline · Classical

24 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

2026 Michigan Open — Open2285
Sep 2026Swissfederation source
#3 in 2026Score 6/7Opp avg 1976Start 2374
35th Annual Chicago Open2330
May 2026Swisslichess
Best of 2026Score 5½/9Opp avg 2250Start 2378
2026 Cincinnati Open - FIDE Elite2292
Apr 2026Swissfederation source
#2 in 2026Score 2½/3Opp avg 2019Start 2380
2026 Michigan Class Championship - Masters and Experts—(2)
Jan 2026Swissfederation source
Score 1/2Opp avg 1874Start 2388
2025 U.S. Masters2349
Nov 2025Swissfederation source
#4 in 2025Score 6/9Opp avg 2224Start 2390
2025 Michigan Bottom Half Class2620
Oct 2025Swissfederation source
Score 4/4Opp avg 1820Start 2386
2025 Michigan Open2322
Aug – Sep 2025Swissfederation source
#6 in 2025Score 4½/5Opp avg 1956Start 2380
2025 Royal City Masters Crown2423
Aug 2025Swissfederation source
#3 in 2025Score 5/8Opp avg 2328Start 2380
33rd Annual Southern Open - Major2040
Jul 2025Swissfederation source
#7 in 2025Score 1½/3Opp avg 2040Start 2392
2025 NY Marshall Summer Six Day - GM A2444
Jul 2025Round robinfederation source
#2 in 2025Score 4½/9Opp avg 2444Start 2392
53rd Annual World Open2323
Jul 2025Swissfederation source
#5 in 2025Score 6/9Opp avg 2198Start 2392
18th Continental Chess Cleveland Open - Major2490
Jun 2025Swissfederation source
Best of 2025Score 2½/3Opp avg 2217Start 2387
2024 Michigan Bottom Half Class2713
Oct 2024Swissfederation source
Score 4/4Opp avg 1913Start 2384
First Saturday September 2024 GM2274
Sep 2024Round robinfederation source
#7 in 2024Score 3/9Opp avg 2399Start 2409
Vezerkepzo GM Kluger Gyula Memorial 20242335
Aug – Sep 2024Round robinfederation source
#4 in 2024Score 4/9Opp avg 2378Start 2412
Budapest One Week GM A2387
Aug 2024Round robinfederation source
#3 in 2024Score 4½/9Opp avg 2387Start 2412
52nd Annual World Open2460
Jul 2024Swissfederation source
Best of 2024Score 6½/9Opp avg 2294Start 2414
17th Annual Philadelphia International2323
Jun – Jul 2024Swissfederation source
#5 in 2024Score 4½/8Opp avg 2280Start 2414
2024 150K Universal Open - Championship2289
Jun 2024Swissfederation source
#6 in 2024Score 3½/6Opp avg 2232Start 2414
33rd Annual Chicago Open2140
May 2024Swissfederation source
#8 in 2024Score 4½/9Opp avg 2140Start 2450
Spring 2024 CCC IM Norm Invitational (32) - C2436
Mar 2024Round robinfederation source
#2 in 2024Score 7/9Opp avg 2216Start 2449
2023 SPICE Cup Open2443
Dec 2023Swissfederation source
#2 in 2023Score 5½/9Opp avg 2363Start 2449
1000GM Ft. Lauderdale GM Norm RR November2480
Nov 2023Round robinfederation source
Best of 2023Score 5/9Opp avg 2437Start 2445
2023 Michigan Open2636
Sep 2023Swissfederation source
Score 5/5Opp avg 1836Start 2443

Rated near Joshua Posthuma · Classical

World

#=2228IMAxel Falkevall2372.0
#=2228GMJesse Kraai2372.0
#=2228IMJoshua Posthuma2372.0
#=2228FMDimitrios Makridis2372.0
#=2228GMAnthony C. Kosten2372.0

United States

#108GMBryan Smith2373.0
#=109GMJesse Kraai2372.0
#=109IMJoshua Posthuma2372.0
#=111GMNick De Firmian2368.0
#=111FMWarren Harper2368.0

Live ratings projected from the OCT26 published list · Not affiliated with FIDE