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Pierson, Kenneth L

🇺🇸

FIDEFIDE 30997771· Male· United States of America· Born in 1954

Follow Kenneth L PiersonTrack his monthly FIDE ratings, games, tournaments and more.

Kenneth L Pierson, a 72-year-old American player, is rated 1628. He has held steady between 1600 and 1650 for 22 months. 12 rated games in the past year (≈13/year long-term). Recent standard appearances include 26th Annual Pittsburgh Open - U2100, 2nd Chess For Cure Open - U2000, and 18th Continental Chess Cleveland Open - U2100. His peak of 1690 was reached at age 70 (Mar 2024).

Current rating

1628

Standard

Rpd—·Blz—

All-time high

1690

−62 pts below
Mar 2024 · age 70

Activity

13

games / yr avg. · ≈1/mo

12 past 12 mo · ≈1/mo
classical only
Moderately active

Signature stat

#135,868

#135,868 · players worldwide · of 216,808

Career timeline

9 entries
2025
91st American 70-75 player
at age 71 · rated 1640
Apr 2025
2024
K-factor lowered to 20
at age 70
Aug 2024
Best 12-month gain (+197 Elo)
1493 → 1690
Mar 2024
Crossed 1600
at age 70
Mar 2024
Re-crossed 1500
at age 70
Mar 2024
All-time peak 1690
at age 70 · −62 from today
Mar 2024

Standard rating history

Last 12 months — activity & highlights

Top opponent
vs Carlos M. Guzman Ortiz 1,912
2nd Chess For Cure Open - U2000 · Jun 2025 · +6.6 Elo
Evolution
0
1628 → 1628
Tournaments
3
17 games
Score
4/ 1723.5%
2W7D8L

Last 12 months — tournaments

3 events
EventDateScoreRankPerfΔ Elo
26th Annual Pittsburgh Open - U2100
Open Swiss
Jul 20251.5/5#211587-5.6
2nd Chess For Cure Open - U2000
Swiss
Jun 20250.5/2#121596-2.2
18th Continental Chess Cleveland Open - U2100
Open Swiss
Jun 20252/3#391999+8.6

Rankings

/
United States of America
#4,038
out of 5,412 players
Americas
#16,717
in continent
World
#135,860
out of 400,000+

National ranking

Europe & World

Europe
World
United States of America
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
4
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
5
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,728
6
🇺🇸Aronian, LevonFollow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more.
2,724
7
🇺🇸Liang, AwonderFollow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more.
2,718
8
🇺🇸Sevian, SamuelFollow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more.
2,696
9
🇺🇸Xiong, JefferyFollow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more.
2,656
10
🇺🇸Robson, RayFollow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more.
2,653
...
4038🇺🇸Pierson, Kenneth L1,628
Americas
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
4
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
5
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,728
6
🇺🇸Aronian, LevonFollow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more.
2,724
7
🇺🇸Liang, AwonderFollow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more.
2,718
8
🇺🇸Sevian, SamuelFollow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more.
2,696
9
🇺🇸Xiong, JefferyFollow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more.
2,656
10
🇺🇸Robson, RayFollow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more.
2,653
...
16717🇺🇸Pierson, Kenneth L1,628
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
135860🇺🇸Pierson, Kenneth L1,628