Matheu Jefferson

USA · 31 yrs · K=20 · Peak 1993 (Sep 2021)

Best performance: 2185 at 53rd Annual World Open - U2200(Best of 2025)

World #=37821 live129#37,692 publishedUnited States #=1041

OCT26 Rating

1946

Live Rating

1946.0

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
	2026 May-June Marshall Mondays — 2026 May-June Marshall MondaysMay 4 – Jun 8	1/1	—

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

9 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.

2026 May-June Marshall Mondays — 2026 May-June Marshall Mondays—(1)
May – Jun 2026Swissfederation source
Score 1/1Opp avg 1725Start 1942
2026 March-April Marshall Mondays — Marshall FIDE Monday—(1)
Mar – Apr 2026Swissfederation source
Score ½/1Opp avg 1859Start 1944
58th annual Liberty Bell Open - Major—(2)
Jan 2026Swissfederation source
Score 1/2Opp avg 1844Start 1950
109th Edward Lasker Memorial - Marshall Chess Club Championship1960
Dec 2025Swissfederation source
#2 in 2025Score 1/3Opp avg 2085Start 1951
53rd Annual World Open - U22002185
Jul 2025Swissfederation source
Best of 2025Score 5/6Opp avg 1912Start 1911
2025 April-May Marshall Thursday Open Round 5-6—(2)
May 2025Swissfederation source
Score ½/2Opp avg 1950Start 1920
2025 April-May Marshall Thursday Open Round 1-41884
Apr 2025Swissfederation source
#3 in 2025Score 2/3Opp avg 1759Start 1921
16th Annual Open at Foxwoods - U22001935
Mar 2024Swissfederation source
Best of 2024Score 3/5Opp avg 1863Start 1919
145th annual New York State Championship - Champ1936
Sep 2023Swissfederation source
Best of 2023Score 3½/6Opp avg 1936Start 1863

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