Oliver Hsiao

USA · 14 yrs · K=40 · Peak 1791 (Sep 2026)

Best performance: 2025 at 31st Annual Pacific Coast Open — Premier(Best of 2026)

World #=79885 live354#79,531 publishedUnited States #=2323

OCT26 Rating

1791

Live Rating

1791.0

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
	August Weekend Chess Classic Irvine — OpenAug 22 – Aug 23TPR 1729	1½/3	1729

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

Event timeline · Classical

19 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.

August Weekend Chess Classic Irvine — Open1729
Aug 2026Swissfederation source
#4 in 2026Score 1½/3Opp avg 1729Start 1737
31st Annual Pacific Coast Open — Premier2025
Jul – Aug 2026Swissfederation source
Best of 2026Score 2½/5Opp avg 2025Start 1739
Pacific Southwest Open 2026 — Merge Open1738
Jul 2026Swissfederation source
#3 in 2026Score 1½/4Opp avg 1825Start 1739
Memorial Day Classic 2026 — Open1875
May 2026Swissfederation source
#2 in 2026Score 3/5Opp avg 1875Start 1704
60th American Open - Expert1676
Nov 2025Swissfederation source
#2 in 2025Score 3/7Opp avg 1726Start 1724
2025 Southern California Open - U23001829
Aug – Sep 2025Swissfederation source
Best of 2025Score 2/4Opp avg 1829Start 1753
30th Annual Pacific Coast Open - Premier1535
Aug 2025Swissfederation source
#3 in 2025Score ½/5Opp avg 1901Start 1753
45th Annual Lina Grumette Memorial Day Classic—(2)
May 2025Swissfederation source
Score 2/2Opp avg 1717Start 1713
32nd annual Western Class Championships - Expert—(2)
Mar 2025Swissfederation source
Score 1/2Opp avg 1885Start 1693
59th American Open - Expert1580
Nov – Dec 2024Swissfederation source
#5 in 2024Score 1/3Opp avg 1705Start 1722
19th annual Los Angeles Open - Major1680
Nov 2024Swissfederation source
#4 in 2024Score ½/4Opp avg 2002Start 1722
45th Annual Southern California Open - Open1872
Aug – Sep 2024Swissfederation source
Best of 2024Score 2/5Opp avg 1944Start 1678
29th annual Pacific Coast Open - U21001452
Jul 2024Swissfederation source
#6 in 2024Score 3/6Opp avg 1725Start 1716
44th Annual Lina Grumette Memorial Day Classic1724
May 2024Swissfederation source
#3 in 2024Score 1/3Opp avg 1849Start 1716
31st Annual Western Class Championship - Class A1780
Mar 2024Swissfederation source
#2 in 2024Score 2½/4Opp avg 1685Start 1699
33rd annual North American Open - U21001360
Dec 2023Swissfederation source
#3 in 2023Score 2/6Opp avg 1553Start 1539
58th American Open - Under2200—(2)
Nov 2023Swissfederation source
Score 2/4Opp avg 1699Start 1512
18th annual Los Angeles Open - U21001611
Nov 2023Swissfederation source
#2 in 2023Score 1/3Opp avg 1736Start 1512
43rd Annual Lina Grumette Memorial1776
May 2023Swissfederation source
Best of 2023Score 2/5Opp avg 1848Start 1406

Rated near Oliver Hsiao · Classical

World

#=79885Conrad Burgert1791.0
#=79885Joshua Goldin1791.0
#=79885Oliver Hsiao1791.0
#=79885Aishwarya Lakshmi Ganapathy1791.0
#=79885Salvador Alarcon Pages1791.0

United States

#=2323Conrad Burgert1791.0
#=2323Joshua Goldin1791.0
#=2323Oliver Hsiao1791.0
#=2323Aishwarya Lakshmi Ganapathy1791.0
#=2323Ryan Davidson1791.0

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