John Ahlborg

USA · 34 yrs · K=20 · Peak 2256 (Sep 2018)

Best performance: 2332 at 11th Cleveland Open(Best of 2018)

NOV26 Rating

2130

Live Rating

2130.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Nov 2026	2130	0
Oct 2026	2130	0
Sep 2026	2130	0
Aug 2026	2130	0
Jul 2026	2130	0
Jun 2026	2130	0
May 2026	2130	0
Apr 2026	2130	0
Mar 2026	2130	0
Feb 2026	2130	0
Jan 2026	2130	0
Dec 2025	2130	0

Form · Classical

oldest → latest

From 82 classical games on record, the latest on Sep 22, 2024.

Classical games since the November list

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

	Last played	Score	TPR
	2024 Twinsburg FIDE OpenSep 20, 2024 – Sep 22, 2024TPR 2034	2/4	2034

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

Event timeline · Classical

20 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.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2024	4	2	2034	2034
2023	3	1½	1775	1775
2022	8	6½	1913	2164
2021	15	6½	2110	2060
2018	6	4	2095	2220
2015	6	3	2210	2210
2013	3	1	1976	1851
2012	2	½	2221	—

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

2024 Twinsburg FIDE Open2034
Sep 2024Swissfederation source
Best of 2024Score 2/4Opp avg 2034Start 2143
16th annual Continental Chess Cleveland Open - Major1775
Jun 2023Swissfederation source
Best of 2023Score 1½/3Opp avg 1775Start 2168
2nd Annual Joe Yun Memorial—(2)
Jul 2022Swissfederation source
Score 2/2Opp avg 1843Start 2163
15th Annual Cleveland Open - Major2256
Jun 2022Swissfederation source
Best of 2022Score 2½/3Opp avg 1983Start 2157
2022 Cincinnati Open2016
Apr 2022Swissfederation source
#2 in 2022Score 2/3Opp avg 1891Start 2161
2021 Ohio Chess Congress1947
Sep 2021Swissfederation source
#3 in 2021Score 1½/3Opp avg 1947Start 2178
49th Annual World Open - Open2024
Jul 2021Swissfederation source
#2 in 2021Score 3½/9Opp avg 2104Start 2224
14th Annual Cleveland Open - Major2291
Jun 2021Swissfederation source
Best of 2021Score 1½/3Opp avg 2291Start 2218
2019 Cleveland Holiday Open2017
Dec 2019Swissfederation source
#4 in 2019Score 1/3Opp avg 2142Start 2233
2019 Ohio Chess Congress2224
Aug – Sep 2019Swissfederation source
Best of 2019Score 4/6Opp avg 2099Start 2236
2019 Cleveland Open2169
Aug 2019Swissfederation source
#3 in 2019Score 1/3Opp avg 2294Start 2236
20th Annual Pittsburgh Open2172
Jun 2019Swissfederation source
#2 in 2019Score 1½/3Opp avg 2172Start 2245
2018 Cleveland Holiday Open2109
Dec 2018Swissfederation source
#2 in 2018Score 2/3Opp avg 1984Start 2256
11th Cleveland Open2332
Aug 2018Swissfederation source
Best of 2018Score 2/3Opp avg 2207Start 2241
73rd Ohio Chess Congress—(2)
Sep 2017Swissfederation source
Score ½/2Opp avg 2381Start 2248
LIBEREC OPEN 2017 A - FIDE open2222
Feb – Mar 2017Swissfederation source
Best of 2017Score 6½/9Opp avg 2056Start 2243
2016 Pan-American Intercollegiate Team Chess Championship2326
Dec 2016Teamfederation source
Best of 2016Score 4½/6Opp avg 2177Start 2210
2015 Pan American Intercollegiate Team Chess Championship2210
Dec 2015Teamfederation source
Best of 2015Score 3/6Opp avg 2210
41st Annual World Open - U2200 Section1851
Jun 2013Swissfederation source
Best of 2013Score 1/5Opp avg 1976
2012 Cleveland Open—(2)
Aug 2012Swissfederation source
Score 1/3Opp avg 2221

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