Format
SR
Santos, Ruben Yokoyama Oliveira
🇧🇷FIDE 22782532· Male· Brazil· Born in 2015
Follow Ruben Yokoyama Oliveira SantosTrack his monthly FIDE ratings, games, tournaments and more.
Ruben Yokoyama Oliveira Santos, a 11-year-old Brazilian player, is rated 1630 — his current career high. He is on a steady climb with +48 Elo over the past 12 months. 12 rated games in the past year (≈9/year long-term). Recent standard appearances include II Memorial Ivan Balducci PVA Sao Jose dos Campos Classico, Festival Nacional Interclubes Campeonato Brasileiro por Equipes, and Memorial Luismar Jorge de Brito Parque Vicentina Aranha SJC. Also played 8 rapid events (including 4o Festival de Xadrez do ITA Sao Jose dos Campos RPD) recently.
At junior level, he reached #32, #13 and #1 nationally in U12, U10 and U8.
Current rating
1630
Standard
Rpd1784·Blz1547
All-time high
1630
at best
Jun 2026 · age 11
Jun 2026 · age 11
Activity
7
games / yr avg. · ≈1/mo
9 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#135,699
#135,699 · players worldwide · of 218,279
Career timeline
9 entries2026
All-time peak 1630
at age 11
Jun 2026
32nd Brazilian U12 player
at age 11 · rated 1617
Jan 2026
2025
Crossed 1600
at age 10
Dec 2025
13th Brazilian U10 player
at age 10 · rated 1558
Jan 2025
Best 12-month gain (+421 Elo)
1137 → 1558
Jan 2025
2024
Crossed 1500
at age 9
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
+48
1582 → 1630
Tournaments
3
13 games
Score
5.5/ 1342.3%
5W1D7L
Top 3 wins
2.[W]vsEduarda Migliorini Medola1,667·Festival Nacional Interclubes Campeonato Brasileiro por Equipes·R3·+22.9
Top 3 losses
1.[L]vsFernando Cesar Silva Eufrasio1,806·II Memorial Ivan Balducci PVA Sao Jose dos Campos Classico·R5·-10.7
2.[L]vsJose Antonio Rodrigues Lopes1,816·II Memorial Ivan Balducci PVA Sao Jose dos Campos Classico·R3·-10.2
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 2/4 | #26 | 1902 | +12.8 |
Open Swiss | Nov 2025 | 1.5/3 | #94 | 1735 | +20.8 |
Swiss | Sep 2025 | 2/2 | #13 | 2522 | +14.0 |
Hot streak: 3 tournaments without losing Elo.
Rankings
/
Brazil
#2,204
out of 6,523 players
Americas
#16,690
in continent
World
#135,691
out of 400,000+
National ranking
Europe & World
Europe
World
Brazil
| 1 | 🇧🇷Follow Rafael LeitaoTrack their monthly FIDE ratings, games, tournaments and more. | 2,588 |
| 2 | 🇧🇷Follow Luis Paulo SupiTrack their monthly FIDE ratings, games, tournaments and more. | 2,581 |
| 3 | 🇧🇷Follow Alexandr FierTrack their monthly FIDE ratings, games, tournaments and more. | 2,553 |
| 4 | 🇧🇷Follow Krikor Sevag MekhitarianTrack their monthly FIDE ratings, games, tournaments and more. | 2,544 |
| 5 | 🇧🇷Follow Andre DiamantTrack their monthly FIDE ratings, games, tournaments and more. | 2,501 |
| 6 | 🇧🇷Follow Renato R. QuintilianoTrack their monthly FIDE ratings, games, tournaments and more. | 2,491 |
| 7 | 🇧🇷Follow Yago De Moura SantiagoTrack their monthly FIDE ratings, games, tournaments and more. | 2,479 |
| 8 | 🇧🇷Follow Diego Rafael Di BerardinoTrack their monthly FIDE ratings, games, tournaments and more. | 2,465 |
| 9 | 🇧🇷Follow Nathan Felipe FilgueirasTrack their monthly FIDE ratings, games, tournaments and more. | 2,410 |
| 10 | 🇧🇷Follow Lucas Do Valle CardosoTrack their monthly FIDE ratings, games, tournaments and more. | 2,407 |
| ... | ||
| 2204 | 1,630 | |
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 |
| ... | ||
| 16690 | 1,630 | |
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 |
| ... | ||
| 135691 | 1,630 | |