Jonathan J Shapiro

USA · 45 yrs · K=20 · Peak 1998 (By Apr 2007)

Best performance: 2059 at 49th Maryland Open(Best of 2009)

OCT26 Rating

1973

Live Rating

1973.0

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	1973	0
Sep 2026	1973	0
Aug 2026	1973	0
Jul 2026	1973	0
Jun 2026	1973	0
May 2026	1973	0
Apr 2026	1973	0
Mar 2026	1973	0
Feb 2026	1973	0
Jan 2026	1973	0
Dec 2025	1973	0
Nov 2025	1973	0

Classical games since the October list

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

	Last played	Score	TPR
	2011 UMBC Open - Alvin S Mintzes Class TournamentFeb 26, 2011 – Feb 27, 2011TPR 1988	2½/5	1988

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

Event timeline · Classical

21 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.

2011 UMBC Open - Alvin S Mintzes Class Tournament1988
Feb 2011Swissfederation source
#2 in 2011Score 2½/5Opp avg 2075Start 1950
50th Baltimore Open1928
Feb 2011Swissfederation source
#3 in 2011Score 1/5Opp avg 2053Start 1950
2011 Chesapeake Open2007
Jan 2011Swissfederation source
Best of 2011Score 2/5Opp avg 2094Start 1950
2010 UMBC Championship—(2)
Sep 2010Swissfederation source
Score 2½/5Opp avg 2204Start 1948
50th Maryland Open—(1)
Apr 2010Swissfederation source
Score 2/5Opp avg 2297Start 1960
UMBC Open - Alvin C Mintzes Chess Tournament—(2)
Feb 2010Swissfederation source
Score 2/5Opp avg 2111Start 1960
49th Maryland Open2059
Oct 2009Swissfederation source
Best of 2009Score 2/5Opp avg 2146Start 1960
UMBC Championship1868
Sep 2009Swissfederation source
#2 in 2009Score 2½/5Opp avg 2141Start 1960
2009 UMBC Open - Alvin S Mintzes Chess Tournament1352
Mar 2009Swissfederation source
Score 1½/5Opp avg 2152Start 1967
41st Annual Liberty Bell Open—(1)
Jan 2009Swissfederation source
Score 1/1Opp avg 1991Start 1967
13th Annual Northern Virginia Open—(1)
Nov 2008Swissfederation source
Score 3/5Opp avg 2334Start 1970
5th George Washington Open—(2)
Jun 2008Swissfederation source
Score 3½/5Opp avg 2362Start 1975
48th Annual Maryland Open1307
Apr 2008Swissfederation source
Score 2/5Opp avg 2107Start 1975
48th Annual Baltimore Open—(2)
Jan 2008Swissfederation source
Score 4/5Opp avg 2193Start 1964
2007 Arlington Chess Club Championship—(1)
Dec 2007Swissfederation source
Score 1/4Opp avg 2380Start 1962
12th Annual Northern Virginia Open—(2)
Nov 2007Swissfederation source
Score 3½/5Opp avg 2188Start 1962
George Washington Open—(2)
Jun 2007Swissfederation source
Score 3/5Opp avg 2107Start 1998
Springfield Open—(2)
May 2007Swissfederation source
Score 2½/5Opp avg 2232Start 1998
George Mason Open—(2)
Apr 2007Swissfederation source
Score 3/5Opp avg 2070Start 1998
Kingstowne Chess Festival (Open)1990
Feb 2007Swissfederation source
#2 in 2007Score 2/4Opp avg 2115
47th Annual Baltimore Open2053
Jan 2007Swissfederation source
Best of 2007Score 3/5Opp avg 2178

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