Kenneth L Pierson

USA · 72 yrs · K=20 · Peak 1690 (Mar 2024)

World #=147010 live806#146,204 publishedUnited States #=4394

OCT26 Rating

1605

Live Rating

1605.0

Change

0.0

Games Played

Rating History · Classical

Loading chart…

Classical games since the October list

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

	Last played	Score	TPR
	19th Annual Continental Chess Cleveland Open — Under 2100Jun 5 – Jun 7TPR 1438	1/5	1438

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

12 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.

19th Annual Continental Chess Cleveland Open — Under 21001438
Jun 2026Swissfederation source
Best of 2026Score 1/5Opp avg 1678Start 1628
3rd Annual Chess for Cure Open — Under 2000—(0)
Apr 2026Swissfederation source
Score 2½/5Start 1628
26th Annual Pittsburgh Open - U21001586
Jul 2025Swissfederation source
#2 in 2025Score 1½/5Opp avg 1735Start 1634
2nd Chess For Cure Open - U2000—(2)
Jun 2025Swissfederation source
Score ½/3Opp avg 1787Start 1628
18th Continental Chess Cleveland Open - U21001753
Jun 2025Swissfederation source
Best of 2025Score 2/5Opp avg 1878Start 1628
5th annual Niagara Falls Open - U2000—(2)
May 2025Swissfederation source
Score 2/4Opp avg 1624Start 1628
2025 Cincinnati Open - FIDE Class1468
Apr 2025Swissfederation source
#3 in 2025Score 2/5Opp avg 1741Start 1640
25th annual Pittsburgh Open - U2100—(2)
Jul 2024Swissfederation source
Score ½/3Opp avg 1907Start 1655
4th Annual Niagara Falls Open - U2000—(1)
May – Jun 2024Swissfederation source
Score 2/4Opp avg 1671Start 1675
2024 Cincinnati Open - FIDE Expert1589
Apr 2024Swissfederation source
Best of 2024Score 1½/5Opp avg 1862Start 1690
2023 Ohio Congress1017
Sep 2023Swissfederation source
Score 0/3Opp avg 1817Start 1503
2023 Joe Yun Memorial - U22001418
Jul 2023Swissfederation source
Best of 2023Score ½/4Opp avg 1740Start 1500

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