Alexander Costello

USA · 23 yrs · K=20 · Peak 2302 (Feb 2019)

World #=5344 live16#5,328 publishedUnited States #=214

OCT26 Rating

2265

Live Rating

2265.0

Change

0.0

Games Played

Rating History · Classical

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Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	2026 Washington Open Elite 1800+ 3 dayMay 23 – May 25TPR 2289	3½/5	2289

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

6 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.

2026 Washington Open Elite 1800+ 3 day2289
May 2026Swisschess-results.com
Best of 2026Score 3½/5Opp avg 2140Start 2259
2026 Harmon Memorial Chess Tournament — Gondor Open2177
Apr 2026Swissfederation source
#2 in 2026Score 4/5Opp avg 1937Start 2263
Seattle University Chess Club Chess Classic - Championship2226
May 2025Swissfederation source
Best of 2025Score 3½/4Opp avg 1890Start 2262
45th Annual Southern California Open - Open2404
Aug – Sep 2024Swissfederation source
Best of 2024Score 4½/6Opp avg 2211Start 2236
2024 SCCF State Championship2321
Jun 2024Round robinfederation source
#2 in 2024Score 2½/7Opp avg 2423Start 2236
2024 Washington Open2103
May 2024Swissfederation source
#3 in 2024Score 3½/5Opp avg 1954Start 2230

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