Format
GC
Guerrero Castillo, Isaura
๐จ๐ทFIDE 6523773ยท Femaleยท Costa Ricaยท Born in 2009
Follow Isaura Guerrero CastilloTrack her monthly FIDE ratings, games, tournaments and more.
Isaura Guerrero Castillo, a 17-year-old player. She plays occasionally (6 games in the last 12 months). Recent appearance: Juegos Deportivos Nacionales Eliminatorias 2025 Z1 U16 Individual Absoluto. Her peak of 1489 was reached at age 17 (Mar 2026).
At junior level, she reached #74 nationally in U18.
Current rating
โ
unranked
RpdโยทBlzโ
All-time high
1489
โ1489 pts below
Mar 2026 ยท age 17
Mar 2026 ยท age 17
Activity
72
games / yr avg. ยท โ6/mo
6 past 12 mo ยท โ1/mo
classical only
Active
classical only
Active
Signature stat
#481
Costa Rica
Career timeline
5 entries2026
74th U18 player nationally
at age 17 ยท rated 1489
Mar 2026
Crossed 1400
at age 17
Mar 2026
Crossed 1200
at age 17
Mar 2026
All-time peak 1489
at age 17
Mar 2026
First FIDE rating
1489 ยท at age 17
Mar 2026
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
โ
Last 12 months โ tournaments
1 event| Event | Date | Score | Rank | Perf | ฮ Elo |
|---|---|---|---|---|---|
Open Swiss | Sep 2025 | 3/3 | #11 | 1376 | 0.0 |
Rankings
/
Costa Rica
#481
out of 682 players
Americas
#25,412
in continent
World
#200,900
out of 400,000+
National ranking
Europe & World
Europe
World
Costa Rica
| 1 | ๐จ๐ทFollow Bernal Gonzalez AcostaTrack their monthly FIDE ratings, games, tournaments and more. | 2,453 |
| 2 | ๐จ๐ทFollow Sebastian MihajlovTrack their monthly FIDE ratings, games, tournaments and more. | 2,372 |
| 3 | ๐จ๐ทFollow Emmanuel Jimenez GarciaTrack their monthly FIDE ratings, games, tournaments and more. | 2,349 |
| 4 | ๐จ๐ทFollow Sergio Minero PinedaTrack their monthly FIDE ratings, games, tournaments and more. | 2,330 |
| 5 | ๐จ๐ทFollow Leonardo Valdes RomeroTrack their monthly FIDE ratings, games, tournaments and more. | 2,326 |
| 6 | ๐จ๐ทFollow Alfonso Jose Alfaro RojasTrack their monthly FIDE ratings, games, tournaments and more. | 2,316 |
| 7 | ๐จ๐ทFollow Sergio Duran VegaTrack their monthly FIDE ratings, games, tournaments and more. | 2,268 |
| 8 | ๐จ๐ทFollow Alexis Murillo TsijliTrack their monthly FIDE ratings, games, tournaments and more. | 2,263 |
| 9 | ๐จ๐ทFollow David Alejandro Cabezas SolanoTrack their monthly FIDE ratings, games, tournaments and more. | 2,252 |
| 10 | ๐จ๐ทFollow Sebastian Angulo PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,182 |
Americas
| 1 | ๐บ๐ธFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 1 | ๐บ๐ธFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | ๐บ๐ธFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 4 | ๐บ๐ธFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,742 |
| 5 | ๐บ๐ธFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 6 | ๐บ๐ธFollow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more. | 2,724 |
| 7 | ๐บ๐ธFollow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more. | 2,696 |
| 7 | ๐บ๐ธFollow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more. | 2,696 |
| 9 | ๐บ๐ธFollow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more. | 2,656 |
| 10 | ๐บ๐ธFollow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,653 |
World
| 1 | ๐ณ๐ดFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | ๐บ๐ธFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | ๐บ๐ธFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | ๐บ๐ฟFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | ๐บ๐ฟFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | ๐ฉ๐ชFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | ๐ณ๐ฑFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | ๐ฎ๐ณFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | ๐บ๐ธFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | ๐จ๐ณFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |