Pieter Heesters

USA · 22 yrs · K=20 · Peak 2007 (Sep 2019)

Best performance: 2231 at 50th Annual Atlantic Open(Best of 2018)

NOV26 Rating

1992

Live Rating

1992.0

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	1992	0
Oct 2026	1992	0
Sep 2026	1992	0
Aug 2026	1992	0
Jul 2026	1992	0
Jun 2026	1992	0
May 2026	1992	0
Apr 2026	1992	0
Mar 2026	1992	0
Feb 2026	1992	0
Jan 2026	1992	0
Dec 2025	1992	0

Classical games since the November list

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

	Last played	Score	TPR
	67th Annual Maryland Open - ChampionshipJul 15, 2022 – Jul 17, 2022TPR 1867	1/3	1867

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

Event timeline · Classical

15 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.

67th Annual Maryland Open - Championship1867
Jul 2022Swissfederation source
Best of 2022Score 1/3Opp avg 1992Start 2007
8th Annual Washington International - Premier2064
Jul 2019Swissfederation source
Best of 2019Score 5½/8Opp avg 1923Start 1962
2019 Baltimore Open1748
Feb 2019Swissfederation source
#3 in 2019Score ½/3Opp avg 2021Start 1996
2019 Chesapeake Open2022
Jan 2019Swissfederation source
#2 in 2019Score 1½/4Opp avg 2109Start 1996
1st Annual Old Line Open2134
Dec 2018Swissfederation source
#2 in 2018Score 1/3Opp avg 2259Start 1984
50th Annual Atlantic Open2231
Aug 2018Swissfederation source
Best of 2018Score 3/4Opp avg 2038Start 1951
2018 Barber Tournament of K-8 Champions1918
Jul 2018Swissfederation source
#5 in 2018Score 3/6Opp avg 1990Start 1946
2018 Potomac Open - U23001975
Jul 2018Swissfederation source
#3 in 2018Score 1½/3Opp avg 1975Start 1946
2018 Baltimore Open1961
Feb 2018Swissfederation source
#4 in 2018Score 1/3Opp avg 2086Start 1946
6th Annual Washington International - Experts1868
Aug 2017Swissfederation source
#3 in 2017Score 6/9Opp avg 1773Start 1974
2017 Barber Tournament of K-8 Champions2048
Jul – Aug 2017Swissfederation source
Best of 2017Score 4½/6Opp avg 2048Start 1974
5th Cherry Blossom Classic - U22002007
May 2017Swissfederation source
#2 in 2017Score 3½/5Opp avg 1858Start 1961
5th Annual Washington International - B1998
Aug 2016Swissfederation source
Best of 2016Score 5½/8Opp avg 1941
54th Annual Baltimore Open - U2100—(1)
Jan 2016Swissfederation source
Score 2/3Opp avg 1748
2014 Kingstowne Chess Festival—(2)
Oct 2014Swissfederation source
Score 2/4Opp avg 2079

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