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Oi, Ryotaro
🇲🇽FIDE 5147743· Male· Mexico· Born in 2009
Follow Ryotaro OiTrack his monthly FIDE ratings, games, tournaments and more.
Ryotaro Oi, a 17-year-old Mexican player, is rated 1730. He has fluctuated between 1724 and 1845 over the past 2 years. 34 rated games in the past year (≈36/year long-term). Recent standard appearances include LXXI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez. Avanzados, IRT Round Robin Invitacional La Primavera del Peon Grupo C, and Clasico Fide Libre 7mo aniversario Lobo MX. Also played 8 rapid (including IX Torneo Navideno del Pavo MN Raul Rosas Reyes Abierta Fide) and 3 blitz events (including XIV Torneo de Verano Ciudad Ajedrez Blitz Abierta) recently. His peak of 1845 was reached at age 16 (Mar 2025).
Previously known as Oi Ryotaro (until Jun 2020). At junior level, he reached #69, #18, #9 and #1 nationally in U18, U16, U14 and U12.
Current rating
1730
Standard
Rpd1792·Blz1768
All-time high
1845
−115 pts below
Mar 2025 · age 16
Mar 2025 · age 16
Activity
41
games / yr avg. · ≈3/mo
34 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#99,478
#99,478 · players worldwide · of 218,279
Career timeline
14 entries2026
69th Mexican U18 player
at age 17 · rated 1744
Jan 2026
2025
18th Mexican U16 player
at age 16 · rated 1845
Mar 2025
Crossed 1800
at age 16
Mar 2025
All-time peak 1845
at age 16 · −115 from today
Mar 2025
2024
Best 12-month gain (+291 Elo)
1451 → 1742
Jun 2024
Re-crossed 1600
at age 15
Mar 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Best result
Juegos Deportivos Infantiles, Juveniles y Paralimpicos de Ajedrez de la Ciudad de Mexico 2025-2026. 17-20 Varonilperf 2178 (+428) · 4.5/5 · #11
Top opponent
Evolution
-11
1741 → 1730
Tournaments
6
40 games
Score
21/ 4052.5%
16W10D14L
Top 3 wins
1.[W]vsEdgar Osvaldo Rodriguez Perez1,780·IRT Round Robin Invitacional La Primavera del Peon Grupo C·R7·+22.9
2.[W]vsMiguel Reyes Ayala1,752·XIV Torneo Internacional y Nacional Abierto de Ajedrez de la Ciudad de Mexico. Allende·R4·+20.5
3.[W]vsAndrea Fatima Avila Bautista1,711·IRT Round Robin Invitacional La Primavera del Peon Grupo C·R4·+18.9
Top 3 losses
1.[L]vsEmiliano Esteban Hernandez Vargas1,646·XIV Torneo Internacional y Nacional Abierto de Ajedrez de la Ciudad de Mexico. Allende·R5·-25.5
2.[L]vsRommel Fernando Garcia Corona1,721·Juegos Deportivos Infantiles, Juveniles y Paralimpicos de Ajedrez de la Ciudad de Mexico 2025-2026. 17-20 Varonil·R5·-21.7
3.[L]vsDante Vladimir Flores Ojeda1,718·IRT Round Robin Invitacional La Primavera del Peon Grupo C·R1·-20.7
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 5.5/6 | #56 | 2066 | +34.0 |
Round-Robin | Mar 2026 | 3.5/9 | #6 | 1682 | -33.6 |
Swiss | Feb 2026 | 1/3 | #6 | 1752 | -20.0 |
Swiss | Jan 2026 | 4.5/5 | #11 | 2178 | +6.4 |
Open Swiss | Sep 2025 | 4.5/6 | #29 | 1887 | +7.2 |
Round-Robin | Jun 2025 | 2/5 | #4 | 1780 | -2.0 |
Worst Elo result: IRT Round Robin Invitacional La Primavera del Peon Grupo C (-33.6 Elo, finished #6).
Most-Played Opponents
vsAlvaro Quiroz Frias
🇲🇽MEX·1821
+5 −6 =4
15 games·last met Feb 2026
View head-to-head →
vsIreri Oi
🇲🇽MEX·1548
+8 −1 =2
11 games·last met Feb 2025
View head-to-head →
vsAndrey Gonzalez ZharikovFM
🇲🇽MEX·2212
+0 −9 =1
10 games·last met Dec 2024
View head-to-head →
vsMatias Martinez FloresFM
🇲🇽MEX·1934
+1 −5 =3
9 games·last met Mar 2025
View head-to-head →
vsCarlo Guillermo Espinosa Miranda
🇲🇽MEX·1655
+3 −1 =3
7 games·last met Feb 2025
View head-to-head →
Rankings
/
Mexico
#942
out of 3,019 players
Americas
#11,821
in continent
World
#99,476
out of 400,000+
National ranking
Europe & World
Europe
World
Mexico
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| 5 | 🇲🇽Follow Juan Carlos Obregon RiveroTrack their monthly FIDE ratings, games, tournaments and more. | 2,446 |
| 6 | 🇲🇽Follow Kevin Joel Cori QuispeTrack their monthly FIDE ratings, games, tournaments and more. | 2,440 |
| 7 | 🇲🇽Follow Carlos Sandoval MercadoTrack their monthly FIDE ratings, games, tournaments and more. | 2,422 |
| 8 | 🇲🇽Follow Isaac Antonio Garcia GuerreroTrack their monthly FIDE ratings, games, tournaments and more. | 2,400 |
| 9 | 🇲🇽Follow Gilberto Hernandez GuerreroTrack their monthly FIDE ratings, games, tournaments and more. | 2,398 |
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| ... | ||
| 942 | 1,730 | |
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 |
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| 5 | 🇺🇸Follow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
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| 10 | 🇺🇸Follow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more. | 2,653 |
| ... | ||
| 11821 | 1,730 | |
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 |
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| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 99476 | 1,730 | |