Format
GH
Guadamuz Hernandez, Ismael A
🇨🇷FIDE 6509894· Male· Costa Rica· Born in 1997
Follow Ismael A Guadamuz HernandezTrack his monthly FIDE ratings, games, tournaments and more.
Ismael A Guadamuz Hernandez, a 29-year-old player, is rated 1723 — just 6 short of his peak of 1729 (Mar 2024, age 27). He plays occasionally (3 games in the last 12 months) and had 3 career breaks: 14 months (2017–2018), 65 months (2018–2024, COVID-19 included) and 21 months (2024–2026). Recent appearance: I Open CRChess-Montes de Oca 2025 - Grupo B.
At junior level, he reached #24 nationally in U20.
Current rating
1723
Standard
Rpd1725·Blz1722
All-time high
1729
−6 pts below
Mar 2024 · age 27
Mar 2024 · age 27
Activity
1
games / yr avg.
3 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#101,663
#101,663 · players worldwide · of 216,808
Career timeline
13 entries2024
Best 12-month gain (+180 Elo)
1549 → 1729
Mar 2024
Crossed 1600
at age 27
Mar 2024
All-time peak 1729
at age 27 · −6 from today
Mar 2024
Inactive for 21 months
paused at 1729 → returned at 1722
Mar 2024
2018
Inactive for 65 months
paused at 1549 → returned at 1729
Sep 2018
K-factor lowered to 20
at age 21
Sep 2018
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
-6
1729 → 1723
Tournaments
1
3 games
Score
2/ 366.7%
2W0D1L
Top 2 wins
Top 1 loss
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Dec 2025 | 2/3 | #23 | 1618 | -6.4 |
Rankings
/
Costa Rica
#130
out of 695 players
Americas
#12,107
in continent
World
#101,662
out of 400,000+
National ranking
Europe & World
Europe
World
Costa Rica
| 1 | 🇨🇷Follow Bernal Gonzalez AcostaTrack their monthly FIDE ratings, games, tournaments and more. | 2,453 |
| 2 | 🇨🇷Follow Sebastian MihajlovTrack their monthly FIDE ratings, games, tournaments and more. | 2,372 |
| 3 | 🇨🇷Follow Emmanuel Jimenez GarciaTrack their monthly FIDE ratings, games, tournaments and more. | 2,349 |
| 4 | 🇨🇷Follow Sergio Minero PinedaTrack their monthly FIDE ratings, games, tournaments and more. | 2,330 |
| 5 | 🇨🇷Follow Leonardo Valdes RomeroTrack their monthly FIDE ratings, games, tournaments and more. | 2,326 |
| 6 | 🇨🇷Follow Alfonso Jose Alfaro RojasTrack their monthly FIDE ratings, games, tournaments and more. | 2,316 |
| 7 | 🇨🇷Follow Sergio Duran VegaTrack their monthly FIDE ratings, games, tournaments and more. | 2,283 |
| 8 | 🇨🇷Follow Alexis Murillo TsijliTrack their monthly FIDE ratings, games, tournaments and more. | 2,263 |
| 9 | 🇨🇷Follow David Alejandro Cabezas SolanoTrack their monthly FIDE ratings, games, tournaments and more. | 2,252 |
| 10 | 🇨🇷Follow Sebastian Angulo PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,182 |
| ... | ||
| 130 | 1,723 | |
Americas
| 1 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 3 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 4 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 5 | 🇺🇸Follow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 6 | 🇺🇸Follow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more. | 2,724 |
| 7 | 🇺🇸Follow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more. | 2,718 |
| 8 | 🇺🇸Follow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more. | 2,696 |
| 9 | 🇺🇸Follow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more. | 2,656 |
| 10 | 🇺🇸Follow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,653 |
| ... | ||
| 12107 | 1,723 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 10 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 101662 | 1,723 | |