Format
MG
Marin Guevara, Mariana
🇨🇷FIDE 6560016· Female· Costa Rica· Born in 2012
Follow Mariana Marin GuevaraTrack her monthly FIDE ratings, games, tournaments and more.
Mariana Marin Guevara, a 14-year-old player, is rated 1502. She is on a steady climb with +27 Elo over the past 12 months. 19 rated games in the past year (≈22/year long-term). Recent standard appearances include II Torneo Abierto Memorial Luis Araya Araya 2026, Campeonato Nacional Categorias Menores Pares 2026 U14 Femenino, and Torneo San Francisco de Asis Guapiles 2025. Also played 2 rapid (including Juegos Estudiantiles Centroamericanos CODICADER intermedio Femenino Rapido 2025) and 4 blitz events (including XLVI Metropolitano Torneo Internacional 2025 Blitz) recently. Her peak of 1584 was reached at age 12 (Nov 2024).
At junior level, she reached #9 and #5 nationally in U14 and U12.
Current rating
1502
Standard
Rpd—·Blz1428
All-time high
1584
−82 pts below
Nov 2024 · age 12
Nov 2024 · age 12
Activity
21
games / yr avg. · ≈2/mo
19 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#183,959
#183,959 · players worldwide · of 216,808
Career timeline
8 entries2026
Re-crossed 1500
at age 14
May 2026
2025
9th U14 player nationally
at age 13 · rated 1584
Jan 2025
2024
5th U12 player nationally
at age 12 · rated 1584
Nov 2024
Crossed 1500
at age 12
Nov 2024
Crossed 1400
at age 12
Nov 2024
Crossed 1200
at age 12
Nov 2024
Standard rating history
Last 12 months — activity & highlights
Top opponent
Juegos Estudiantiles Centroamericanos CODICADER intermedio Femenino Clasico 2025 · Oct 2025 · +10.8 Elo
Evolution
+47
1455 → 1502
Tournaments
7
61 games
Score
21.5/ 6135.2%
27W7D27L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 1.5/6 | #63 | 1398 | 0.0 |
Open Swiss | Feb 2026 | 3.5/4 | #18 | 1804 | -38.0 |
Swiss | Oct 2025 | 3/3 | #14 | 2299 | -4.4 |
Team | Oct 2025 | 1.5/4 | #10 | 1445 | +1.6 |
Open Swiss | Sep 2025 | 4/2 | #2 | 2280 | +7.6 |
Rankings
/
Costa Rica
#399
out of 695 players
Americas
#22,344
in continent
World
#183,899
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 |
| ... | ||
| 399 | 1,502 | |
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 |
| ... | ||
| 22344 | 1,502 | |
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 |
| ... | ||
| 183899 | 1,502 | |