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Ziwei Xiao

USA · 52 yrs · K=40

Best performance: 1666 at Pacific Southwest Open 2026 — Merge Under 2000(Best of 2026)

World #=169862 liveUnited States #=4854

NOV26 Rating

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Live Rating

1554.0prov

Change

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Games Played

8

How live ratings are calculated

Rating History · Classical

No rating history available

Form · Classical

oldest → latest

From 11 classical games on record, the latest on Oct 31.

Classical games since the November list

No published standard rating yet. The live figure is a FIDE first-rating estimate (Art 8.2) from 8 rated games: the 1 below and 7 from earlier events, which FIDE pools toward a first rating for up to 26 months. Per-game Δ doesn’t apply to a first rating; TPR shows the performance in each event.

TournamentScoreChange
Day - Knight Halloween Open 2026 — OpenTPR 6630/1—

Best wins · Classical

From 8 rated classical games against rated opponents, 2026

#OpponentRating
1, Ethan Han, Jul 2026 · Pacific Southwest Open 2026 — Merge Under 2000, 1663
2, Ryan D Kong, Jul 2026 · Pacific Southwest Open 2026 — Merge Under 2000, 1661

Event timeline · Classical

3 events · All years

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.

Performance rating by month

2026: 1486 over 8 rated games

MonthGamesScoreAvg oppTPR
Oct101463—
Aug201638—
Jul5217381666

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Recent opponents · Classical

Rated near Ziwei Xiao · Classical

World

  1. #=169862Avery Goodrich1554.0
  2. #=169862Anish Kingaonkar1554.0
  3. #=169862Ziwei Xiao1554.0
  4. #=169862Liam Schumacher1554.0
  5. #=169862Aldo Voogt1554.0

United States

  1. #=4854Avery Goodrich1554.0
  2. #=4854Anish Kingaonkar1554.0
  3. #=4854Ziwei Xiao1554.0
  4. #=4859Isaac Wang1553.0
  5. #=4859David Li1553.0

Live ratings projected from the NOV26 published list · Not affiliated with FIDE