Format
RM
Rodriguez Membreno, Sebastian
🇨🇷FIDE 6523803· Male· Costa Rica· Born in 2011
Follow Sebastian Rodriguez MembrenoTrack his monthly FIDE ratings, games, tournaments and more.
Sebastian Rodriguez Membreno, a 15-year-old player, is rated 1556 — just 16 short of his peak of 1572 (Sep 2024, age 13). He has fluctuated between 1535 and 1572 over the past 2 years. 10 rated games in the past year (≈6/year long-term). Recent standard appearances include Juegos Deportivos Nacionales 2026 Standard U16 Equipo Absoluto, XLVI Metropolitano Torneo Internacional 2025 U14, and Juegos Deportivos Nacionales Eliminatorias 2025 Z1 U16 Equipos Absoluto. Also played 1 rapid and 3 blitz events (including XLVI Metropolitano Torneo Internacional 2025 Blitz) recently.
At junior level, he reached #34 and #10 nationally in U16 and U14.
Current rating
1556
Standard
Rpd1498·Blz1592
All-time high
1572
−16 pts below
Sep 2024 · age 13
Sep 2024 · age 13
Activity
12
games / yr avg. · ≈1/mo
10 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#163,974
#163,974 · players worldwide · of 218,279
Career timeline
7 entries2026
34th U16 player nationally
at age 15 · rated 1549
Jan 2026
2025
10th U14 player nationally
at age 14 · rated 1572
Jan 2025
2024
Crossed 1500
at age 13
Sep 2024
Crossed 1400
at age 13
Sep 2024
Crossed 1200
at age 13
Sep 2024
All-time peak 1572
at age 13 · −16 from today
Sep 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
Activity & highlights
Top opponent
Evolution
0
1556 → 1556
Tournaments
3
22 games
Score
14/ 2263.6%
14W0D8L
Top 2 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Jan 2026 | 3/5 | #16 | — | +30.0 |
Open Swiss | Dec 2025 | 6/3 | #33 | 2392 | -10.4 |
Team | Sep 2025 | 5/1 | #29 | 2301 | -18.8 |
Worst Elo result: Juegos Deportivos Nacionales Eliminatorias 2025 Z1 U16 Equipos Absoluto (-18.8 Elo, finished #29).
Rankings
/
Costa Rica
#314
out of 682 players
Americas
#20,074
in continent
World
#163,955
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. | 2,268 |
| 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 |
| ... | ||
| 314 | 1,556 | |
Americas
| 1 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 1 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 4 | 🇺🇸Follow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,742 |
| 5 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 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. | 2,696 |
| 7 | 🇺🇸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 |
| ... | ||
| 20074 | 1,556 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸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. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 163955 | 1,556 | |