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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 (≈29/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

28

games / yr avg. · ≈2/mo

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

Signature stat

Top 10%

#21,118 · players worldwide · of 216,808

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

Last 12 months — activity & highlights

Best result
Werner-Ott-Open - Kreuzberger Sommer 2025
perf 2134 (+94) · 6/9 · #8
Top opponent
vs Facundo PierrotIM 2,253
2025 National Open · Jun 2025 · +14.1 Elo
Evolution
+65
1982 → 2047
Tournaments
3
22 games
Score
10.5/ 2247.7%
6W9D7L
Top 3 wins
1.[W]vsMagdalena KozakWIM2,176·Werner-Ott-Open - Kreuzberger Sommer 2025·R7·+27.5
2.[W]vsArarat Bagdasarian2,011·2025 San Diego Open - Elite·R4·+17.9
3.[D]vsFacundo PierrotIM2,253·2025 National Open·R1·+14.1

Last 12 months — tournaments

3 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
2025 National Open
Open Swiss
Jun 20252/8#1141904-34.0
Worst Elo result: 2025 National Open (-34.0 Elo, finished #114).

Rankings

/
United States of America
#607
out of 5,412 players
Americas
#2,195
in continent
World
#21,118
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
...
607🇺🇸Rosenstock, Ephraim M2,047
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
...
2195🇺🇸Rosenstock, Ephraim M2,047
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
...
21118🇺🇸Rosenstock, Ephraim M2,047