Sebastian Koh Hemlock

USA Born 2011 Male
FIDE ID
39952282
USCF ID
30025346

Player overview

Sebastian Koh Hemlock’s highest recorded classical FIDE rating is 1632 (October 2026). On the November 2026 FIDE list, Sebastian Koh Hemlock ranks #136784 worldwide and #4190 in United States of America among active classical players.

Ratings

1632

Classical

Published FIDE

—

Rapid

Published FIDE

1733

Blitz

Published FIDE

1813

USCF Regular

Published US Chess

Official classical ranks

World rank
#136784
National rank · USA
#4190

Active players · Nov 2026 FIDE list ⓘ

Rating milestones

Highest recorded rating
1632 Oct 2026
Recorded years
2026–2026
Archived games
0

Based on available monthly lists and saved games.

Rating history

USCF rating history

Published rating lists through Nov 2026.

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FIDE rating history

Published rating lists through Nov 2026.

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Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-11 (UTC).

Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).

No published games are available in this tab.

FIDE tournaments

DateTournamentTypeScore
2026-08-312026 July-August Marshall Mondays Round 6Classical½

All tournament results