Jack Lieberman

USA · 22 yrs · K=20 · Peak 1856 (Dec 2025)

Best performance: 2060 at 19th Annual Philadelphia Open - Major(Best of 2025)

OCT26 Rating

1856

Live Rating

1856.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Oct 2026	1856	0
Sep 2026	1856	0
Aug 2026	1856	0
Jul 2026	1856	0
Jun 2026	1856	0
May 2026	1856	0
Apr 2026	1856	+1
Mar 2026	1855	0
Feb 2026	1855	-1
Jan 2026	1856	0
Dec 2025	1856	+1
Nov 2025	1855	0

Classical games since the October list

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

	Last played	Score	TPR
	53rd Annual World Open - U2200Jul 2, 2025 – Jul 6, 2025TPR 1782	1½/4	1782

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

Event timeline · Classical

16 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.

53rd Annual World Open - U22001782
Jul 2025Swissfederation source
#2 in 2025Score 1½/4Opp avg 1869Start 1848
19th Annual Philadelphia Open - Major2060
Jun 2025Swissfederation source
Best of 2025Score 2½/3Opp avg 1787Start 1848
52nd Annual World Open - U22001845
Jul 2024Swissfederation source
Best of 2024Score 3/5Opp avg 1773Start 1852
18th Annual Philadelphia Open - U21001798
Jun 2024Swissfederation source
#2 in 2024Score 2/3Opp avg 1673Start 1852
56th annual Liberty Bell Open - Major1692
Jan 2024Swissfederation source
#3 in 2024Score 2½/5Opp avg 1692Start 1763
54th annual National Chess Congress - U22001864
Nov 2023Swissfederation source
#3 in 2023Score 5/6Opp avg 1591Start 1745
1st Annual Pennsylvania Classic1487
Jul 2023Swissfederation source
#5 in 2023Score 1½/4Opp avg 1612Start 1735
51st annual World Open - U22001883
Jun – Jul 2023Swissfederation source
Best of 2023Score 5/7Opp avg 1725Start 1724
17th annual Philadelphia Open - Major1880
Jun 2023Swissfederation source
#2 in 2023Score 2½/3Opp avg 1607Start 1724
55th annual Liberty Bell Open - U21001842
Jan 2023Swissfederation source
#4 in 2023Score 3½/5Opp avg 1693Start 1681
Maccabiah Youth 20221621
Jul 2022Swissfederation source
#3 in 2022Score 4/7Opp avg 1621Start 1720
50th Annual World Open - Under 22001692
Jun – Jul 2022Swissfederation source
#2 in 2022Score 3/7Opp avg 1742Start 1720
54th Annual Liberty Bell Open - Major1803
Jan 2022Swissfederation source
Best of 2022Score 3/5Opp avg 1731Start 1690
52nd Annual National Chess Congress - Under 22001886
Nov 2021Swissfederation source
Best of 2021Score 5/6Opp avg 1646
25th Annual Eastern Chess Congress - Under 2100—(1)
Oct 2021Swissfederation source
Score 1/3Opp avg 1767
49th Annual World Open - Under 20001684
Jul 2021Swissfederation source
#2 in 2021Score 3/6Opp avg 1559

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