Format
LR
Leiton Rivas, Mariana
🇨🇷FIDE 6534171· Female· Costa Rica· Born in 2007
Follow Mariana Leiton RivasTrack her monthly FIDE ratings, games, tournaments and more.
Mariana Leiton Rivas, a 19-year-old player, is rated 1424 — just 12 short of her peak of 1436 (Mar 2026, age 19). She has held steady between 1400 and 1450 for 7 months. 11 rated games in the past year. Recent standard appearances include Campeonato Nacional Categoria U20 femenino 2026, IV Festival de Divisiones ADAS Cuarta Division 2025, and Juegos Deportivos Nacionales Eliminatorias 2025 U20 Individual Femenino. Also played 1 rapid (including I Torneo Rapid Turrialba-Ajedrez Costa Rica 2025) and 1 blitz events (including Womens Chess Marathon 2026 by FIDE WOM) recently.
At junior level, she reached #49 and #78 nationally in U20 and U18.
Current rating
1424
Standard
Rpd—·Blz1432
All-time high
1436
−12 pts below
Mar 2026 · age 19
Mar 2026 · age 19
Activity
19
games / yr avg. · ≈2/mo
11 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#212,018
#212,018 · players worldwide · of 218,279
Career timeline
6 entries2026
49th U20 player nationally
at age 19 · rated 1424
Jun 2026
All-time peak 1436
at age 19 · −12 from today
Mar 2026
2025
78th U18 player nationally
at age 18 · rated 1434
Dec 2025
Crossed 1400
at age 18
Dec 2025
Crossed 1200
at age 18
Dec 2025
First FIDE rating
1434 · at age 18
Dec 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
-10
1434 → 1424
Tournaments
3
20 games
Score
8/ 2040.0%
7W2D11L
Top 2 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Mar 2026 | 2.5/6 | #9 | 1610 | -12.0 |
Swiss | Nov 2025 | 2.5/2 | #94 | 778 | 0.0 |
Open Swiss | Sep 2025 | 3/3 | #9 | 1342 | 0.0 |
Rankings
/
Costa Rica
#533
out of 682 players
Americas
#24,944
in continent
World
#211,660
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 |
| ... | ||
| 533 | 1,424 | |
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 |
| ... | ||
| 24944 | 1,424 | |
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 |
| ... | ||
| 211660 | 1,424 | |