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Summerfield, William

🇺🇸

FIDEFIDE 39968545· Male· United States of America· Born in 2010

Follow William SummerfieldTrack his monthly FIDE ratings, games, tournaments and more.

William Summerfield, a 16-year-old American player, is rated 2160 — his current career high and sitting in the top 2% of players worldwide under 16, and in the top 5% worldwide. He is climbing fast, having gained +123 Elo over the past 12 months. 35 rated games in the past year (≈33/year long-term). Recent standard appearances include 2026 May Grand Knights FIDE Challenge - Open, 2026 Harmon Memorial Chess Tournament - Gondor Open, and 2026 Washington State Championship - Premier.

At junior level, he reached #41 and #64 nationally in U16 and U14.

Current rating

2160

Standard

Rpd—·Blz—

All-time high

2160

at best
Jun 2026 · age 16

Activity

31

games / yr avg. · ≈3/mo

32 past 12 mo · ≈3/mo
classical only
Active

Signature stat

Top 2%

#419 · players worldwide under 16 · of 20,363

Career timeline

7 entries
2026
All-time peak 2160
at age 16
Jun 2026
Best 12-month gain (+137 Elo)
2011 → 2148
May 2026
41st American U16 player
at age 16 · rated 2140
Mar 2026
Crossed 2100
at age 16
Mar 2026
2024
64th American U14 player
at age 14 · rated 2008
Dec 2024
Crossed 2000
at age 14
Dec 2024

Standard rating history

Peak
FIDE title
Threshold
First rated

Activity & highlights

Best result
2026 Washington State Championship - Premier
perf 2304 (+164) · 8/9 · #1
Top opponent
vs M Siddarth 2,265
2025 King County Open - Kenmore Open · Sep 2025 · +31.0 Elo
Evolution
+123
2037 → 2160
Tournaments
6
39 games
Score
27.5/ 3970.5%
26W8D5L

Last 12 months — tournaments

6 events
EventDateScoreRankPerfΔ Elo
2026 May Grand Knights FIDE Challenge - Open
Swiss
May 20264.5/4#12686+12.4
2026 Harmon Memorial Chess Tournament - Gondor Open
Swiss
Apr 20264/5#32139+8.4
2026 Washington State Championship - Premier
Round-Robin
Feb 20268/9#12304+91.2
2025 Washington Winter Classic - Rudolph Open
Swiss
Dec 20253/5#920330.0
2025 Susan Polgar Foundation National Open for Girls and Boys - K-12 Open
Swiss
Nov 20254.5/4#22507+0.4
2025 King County Open - Kenmore Open
Swiss
Sep 20253.5/5#62061+12.0
Hot streak: 6 tournaments without losing Elo.

Rankings

/
United States of America
#360
out of 5,510 players
Americas
#1,136
in continent
World
#10,566
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
...
360🇺🇸Summerfield, William2,160
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
...
1136🇺🇸Summerfield, William2,160
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
...
10566🇺🇸Summerfield, William2,160