Format
CA
Costello, Alexander
IM🇺🇸FIDE 2099659· Male· United States of America· Born in 2003
Follow Alexander CostelloTrack his monthly FIDE ratings, games, tournaments and more.
Alexander Costello, a 23-year-old American International Master, is rated 2259 and sitting in the top 5% of American players, and in the top 3% worldwide. He plays occasionally (9 games in the last 12 months) and took a 17-month break between Jul 2014 and Jan 2016. Recent appearance: 2026 Harmon Memorial Chess Tournament - Gondor Open. Also played 1 blitz event (including 2026 Legolas Blitz) recently. His peak of 2302 was reached at age 16 (Feb 2019).
Awarded IM in 2019 (age 16) and FM in 2019 (age 16). At junior level, he reached World #90 in U16 and #20, #16, #15 and #30 nationally in U20, U18, U14 and U12.
Current rating
2259
Standard
Rpd—·Blz2189
All-time high
2302
−43 pts below
Feb 2019 · age 16
Feb 2019 · age 16
Activity
16
games / yr avg. · ≈1/mo
9 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
Top 5%
#226 · American players · of 4,932
Career timeline
19 entries2024
78th American 20-35 player
at age 21 · rated 2262
Nov 2024
2023
Re-crossed 2200
at age 20
Jul 2023
2022
20th American U20 player
at age 19 · rated 2232
Apr 2022
2020
16th American U18 player
at age 17 · rated 2291
Jan 2020
2019
IM title awardedIM
at age 16
Sep 2019
90th U16 player worldwide
at age 16 · rated 2302
Feb 2019
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
-4
2263 → 2259
Tournaments
1
5 games
Score
4/ 580.0%
3W2D0L
Top 3 wins
Top losses
Undefeated in the last 12 months.
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 4/5 | #5 | 2178 | -4.0 |
Rankings
/
United States of America
#226
out of 5,412 players
Americas
#611
in continent
World
#5,471
out of 400,000+
National ranking
Europe & World
Europe
World
United States of America
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