Aaron Jacobson

USA · 27 yrs · K=20 · Peak 2365 (Feb 2025)

Best performance: 2617 at Marshall Masters January 2020(Best of 2020)

NOV26 Rating

2357

Live Rating

2357.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Rapid

Loading chart…

Official rapid rating by month

List	Rating	Change
Nov 2026	2357	0
Oct 2026	2357	0
Sep 2026	2357	0
Aug 2026	2357	0
Jul 2026	2357	0
Jun 2026	2357	0
May 2026	2357	0
Apr 2026	2357	0
Mar 2026	2357	0
Feb 2026	2357	0
Jan 2026	2357	0
Dec 2025	2357	0

Rapid games since the November list

No rated rapid games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	Marshall Masters 52Aug 19, 2025TPR 2245	3/4	2245

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

Event timeline · Rapid

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.

Marshall Masters 522245
Aug 2025Swissfederation source
#2 in 2025Score 3/4Opp avg 2052Start 2365
Marshall Masters 452343
Jan 2025Swissfederation source
Best of 2025Score 3/4Opp avg 2150Start 2358
Marshall Masters 302443
Oct 2023Swissfederation source
Best of 2023Score 3½/4Opp avg 2107Start 2351
May 2023 Marshall Masters2870
May 2023Swissfederation source
Score 4/4Opp avg 2070Start 2332
Marshall Masters September 20221998
Sep 2022Swissfederation source
Best of 2022Score 2/4Opp avg 1998Start 2361
Marshall Masters January 20202617
Jan 2020Swissfederation source
Best of 2020Score 3½/4Opp avg 2281Start 2335
Marshall Masters January 2019—(2)
Jan 2019Swissfederation source
Score 1/2Opp avg 1928Start 2352
Marshall Masters November 20182445
Nov 2018Swissfederation source
Best of 2018Score 3/4Opp avg 2252Start 2340
Marshall Masters June 20182405
Jun 2018Swissfederation source
#3 in 2018Score 3/4Opp avg 2280Start 2333
May 2018 Marshall Masters—(1)
May 2018Swissfederation source
Score 0/1Opp avg 1765Start 2351
April 2018 Marshall Masters2420
Apr 2018Swissfederation source
#2 in 2018Score 3/4Opp avg 2227Start 2342
Marshall Masters March 20183312
Mar 2018Swissfederation source
Score 4/4Opp avg 2512Start 2291
Marshall Masters February 20182363
Feb 2018Swissfederation source
#4 in 2018Score 3/4Opp avg 2170Start 2282
January 2018 Marshall Masters—(2)
Jan 2018Swissfederation source
Score 2/3Opp avg 2240Start 2284
Marshall Masters November 20172222
Nov 2017Swissfederation source
#2 in 2017Score 2/4Opp avg 2222Start 2289
Marshall September 2017 Masters—(2)
Sep 2017Swissfederation source
Score 2½/3Opp avg 2176Start 2280
Marshall May 2017 Masters2103
May 2017Swissfederation source
#3 in 2017Score 1/4Opp avg 2296Start 2301
February 2017 Marshall Masters2464
Feb 2017Swissfederation source
Best of 2017Score 3/4Opp avg 2271Start 2283
2016 Marshall Masters - World Championship Addition2250
Nov 2016Swissfederation source
#4 in 2016Score 1/3Opp avg 2375Start 2287
2016 September Marshall Masters2528
Sep 2016Swissfederation source
Best of 2016Score 2½/4Opp avg 2403Start 2268
April 2016 Marshall Masters2022
Apr 2016Swissfederation source
#5 in 2016Score 1/3Opp avg 2147Start 2288
March 2016 Marshall Masters—(2)
Mar 2016Swissfederation source
Score 2/4Opp avg 2418Start 2302
February 2016 Marshall Masters2326
Feb 2016Swissfederation source
#3 in 2016Score 2/4Opp avg 2451Start 2300
2016 January Marshall Masters2370
Jan 2016Swissfederation source
#2 in 2016Score 2/3Opp avg 2245Start 2293

Live ratings projected from the NOV26 published list · Not affiliated with FIDE