CChessStats
Format
RE

Rosenstock, Ephraim M

🇺🇸

FIDEFIDE 39935809· Male· United States of America· Born in 2009

Follow Ephraim M RosenstockTrack his monthly FIDE ratings, games, tournaments and more.

Ephraim M Rosenstock, a 17-year-old American player, is rated 2047 — his current career high and sitting in the top 10% of players worldwide. He is progressing steadily with +65 Elo over the past 12 months. 22 rated games in the past year (≈28/year long-term). Recent standard appearances include 2025 San Diego Open - Elite, Werner-Ott-Open - Kreuzberger Sommer 2025, and 2025 National Open. Also played 3 rapid (including Berliner Schnellschach-Mannschaftsmeisterschaft 2025) and 3 blitz events (including 2025 Walter Browne Memorial National Open Blitz Championship) recently.

At junior level, he reached #73 and #73 nationally in U18 and U16.

Current rating

2047

Standard

Rpd2164·Blz2020

All-time high

2047

at best
Nov 2025 · age 16

Activity

27

games / yr avg. · ≈2/mo

22 past 12 mo · ≈2/mo
classical only
Moderately active

Signature stat

Top 10%

#21,147 · players worldwide · of 218,279

Career timeline

7 entries
2026
73rd American U18 player
at age 17 · rated 2046
Jan 2026
2025
All-time peak 2047
at age 16
Nov 2025
73rd American U16 player
at age 16 · rated 2040
Sep 2025
Crossed 2000
at age 16
Sep 2025
Best 12-month gain (+401 Elo)
1587 → 1988
Feb 2025
2024
Crossed 1800
at age 15
Aug 2024

Standard rating history

Peak
FIDE title
Threshold
First rated
FIDE recal.

Activity & highlights

Best result
Werner-Ott-Open - Kreuzberger Sommer 2025
perf 2134 (+94) · 6/9 · #8
Top opponent
vs Magdalena KozakWIM 2,176
Werner-Ott-Open - Kreuzberger Sommer 2025 · Jul 2025 · +27.5 Elo
Evolution
+99
1948 → 2047
Tournaments
2
14 games
Score
8.5/ 1460.7%
6W5D3L
Top 3 losses
1.[L]vsNelson Strehse2,216·Werner-Ott-Open - Kreuzberger Sommer 2025·R2·-10.7
2.[L]vsKeaton KiewraIM2,282·2025 San Diego Open - Elite·R5·-8.2
3.[L]vsEthan GuoFM2,319·2025 San Diego Open - Elite·R3·-6.9

Last 12 months — tournaments

2 events
EventDateScoreRankPerfΔ Elo
2025 San Diego Open - Elite
Open Swiss
Oct 20252.5/5#152073+6.8
Werner-Ott-Open - Kreuzberger Sommer 2025
Open Swiss
Jul 20256/9#82134+91.6

Rankings

/
United States of America
#620
out of 5,510 players
Americas
#2,222
in continent
World
#21,147
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
1
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,742
5
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
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.
2,696
7
🇺🇸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
...
620🇺🇸Rosenstock, Ephraim M2,047
Americas
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
1
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,742
5
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
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.
2,696
7
🇺🇸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
...
2222🇺🇸Rosenstock, Ephraim M2,047
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸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.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
21147🇺🇸Rosenstock, Ephraim M2,047