Format
JM
Jefferson, Matheu
🇺🇸FIDE 30912644· Male· United States of America· Born in 1995
Follow Matheu JeffersonTrack his monthly FIDE ratings, games, tournaments and more.
Matheu Jefferson, a 31-year-old American player, is rated 1946. He is progressing steadily with +35 Elo over the past 12 months. 15 rated games in the past year (≈7/year long-term). Recent standard appearances include 2026 May-June Marshall Mondays Round 1-3, 2026 March-April Marshall Mondays Round 2-6, and 58th annual Liberty Bell Open - Major. Also played 1 rapid event (including Marshall Masters 55) recently. He had 2 career breaks: 24 months (2017–2019) and 12 months (2022–2023). His peak of 1993 was reached at age 26 (Sep 2021).
Current rating
1946
Standard
Rpd1955·Blz—
All-time high
1993
−47 pts below
Sep 2021 · age 26
Sep 2021 · age 26
Activity
10
games / yr avg. · ≈1/mo
13 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#37,473
#37,473 · players worldwide · of 218,279
Career timeline
8 entries2024
Best 12-month gain (+58 Elo)
1863 → 1921
Aug 2024
2023
K-factor lowered to 20
at age 28
Aug 2023
2022
Inactive for 12 months
paused at 1923 → returned at 1865
May 2022
2021
All-time peak 1993
at age 26 · −47 from today
Sep 2021
2017
Crossed 1800
at age 22
Jul 2017
Inactive for 24 months
paused at 1991 → returned at 1989
Jul 2017
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Evolution
+35
1911 → 1946
Tournaments
5
13 games
Score
8.5/ 1365.4%
7W3D3L
Top 3 wins
Top 3 losses
2.[L]vsHaari MuthukumarFM2,236·109th Edward Lasker Memorial - Marshall Chess Club Championship·R3·-3.2
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 1/1 | #12 | 2525 | +4.4 |
Swiss | Mar 2026 | 0.5/1 | #22 | 1859 | -2.4 |
Open Swiss | Jan 2026 | 1/2 | #142 | 1836 | -5.8 |
Open Swiss | Dec 2025 | 1/3 | #82 | 1965 | -1.0 |
Open Swiss | Jul 2025 | 5/6 | #61 | 2192 | +40.0 |
Rankings
/
United States of America
#1,037
out of 5,510 players
Americas
#4,045
in continent
World
#37,472
out of 400,000+
National ranking
Europe & World
Europe
World
United States of America
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