Format
UJ
Ulloa Jimenez, Santiago
🇨🇷FIDE 6559328· Male· Costa Rica· Born in 2006
Follow Santiago Ulloa JimenezTrack his monthly FIDE ratings, games, tournaments and more.
Santiago Ulloa Jimenez, a 20-year-old player, is rated 1833 — his current career high. He is on a breakout run, having gained +84 Elo over the past 12 months. 68 rated games in the past year (≈54/year long-term). Recent standard appearances include II Torneo Abierto Memorial Luis Araya Araya 2026, Campeonato Centroamericano y del Caribe U20 Absoluto 2026, and Campeonato Nacional Categoria U20 absoluto 2026. Also played 7 rapid (including Torneo Rapid por equipos Por La Plata VI) and 12 blitz events (including CRChess Blitz 2025) recently. He reached #77 nationally in Nov 2025.
At junior level, he reached #4 and #4 nationally in U20 and U18.
Current rating
1833
Standard
Rpd1740·Blz1845
All-time high
1833
at best
May 2026 · age 20
May 2026 · age 20
Activity
53
games / yr avg. · ≈4/mo
57 past 12 mo · ≈5/mo
classical only
Active
classical only
Active
Signature stat
#66,305
#66,305 · players worldwide · of 218,279
Career timeline
11 entries2026
4th U20 player nationally
at age 20 · rated 1833
Jun 2026
All-time peak 1833
at age 20
May 2026
2025
Peak national rank: #77
at age 19 · rated 1801
Nov 2025
Re-crossed 1800
at age 19
Nov 2025
100 career games
at age 19
Aug 2025
K-factor lowered to 20
at age 19
Jan 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Best result
Juegos Deportivos Nacionales Eliminatorias 2025 U20 Equipos Absolutoperf 2372 (+571) · 5.5/5 · #3
Top opponent
Evolution
+84
1749 → 1833
Tournaments
9
75 games
Score
33.5/ 7544.7%
35W16D24L
Top 3 wins
Top 3 losses
2.[L]vsOsvaldo Andres Gonzalez Perez1,751·Clasificatorio de Divisiones ADEA segunda division 2026·R3·-12.3
3.[L]vsEmanuel Alvarez Ramirez1,756·Clasificatorio de Divisiones ADEA segunda division 2026·R1·-12.2
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 4/6 | #35 | 1908 | -4.6 |
Open Swiss | Mar 2026 | 4.5/9 | #26 | 1871 | +11.4 |
Open Swiss | Mar 2026 | 4.5/6 | #12 | 2078 | +23.6 |
Team | Jan 2026 | 2.5/6 | #9 | — | -22.4 |
Swiss | Dec 2025 | 3/6 | #15 | 1929 | +20.2 |
Swiss | Nov 2025 | 2/7 | #26 | 1816 | +1.4 |
Swiss | Oct 2025 | 4/6 | #38 | 1893 | -3.6 |
Team | Sep 2025 | 5.5/5 | #3 | 2372 | +12.8 |
Worst Elo result: Juegos Deportivos Nacionales 2026 Standard U20 Equipo Absoluto (-22.4 Elo, finished #9).
Most-Played Opponents
vsEsteban Quesada Fallas
🇨🇷CRC·2072
+2 −5 =1
8 games·last met May 2026
View head-to-head →
vsRodrigo Avendano PorrasCM
🇨🇷CRC·2031
+2 −6 =0
8 games·last met Feb 2026
View head-to-head →
vsSebasthian Aguero Espinoza
🇨🇷CRC·1930
+2 −4 =1
7 games·last met Nov 2025
View head-to-head →
vsSofia Loria Molina
🇨🇷CRC·1760
+5 −0 =1
6 games·last met May 2026
View head-to-head →
vsMateo Espitia TorresCM
🇨🇷CRC·1991
+0 −6 =0
6 games·last met Apr 2026
View head-to-head →
Rankings
/
Costa Rica
#77
out of 682 players
Americas
#7,498
in continent
World
#66,304
out of 400,000+
National ranking
Europe & World
Europe
World
Costa Rica
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| 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 |
| ... | ||
| 77 | 1,833 | |
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 |
| ... | ||
| 7498 | 1,833 | |
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 |
| ... | ||
| 66304 | 1,833 | |