Format
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Okuno, Rion
🇯🇵FIDE 7003730· Male· Japan· Born in 2008
Follow Rion OkunoTrack his monthly FIDE ratings, games, tournaments and more.
Rion Okuno, a 18-year-old player, is rated 2045 and sitting in the top 10% of players worldwide. He has slipped back 79 Elo over the past 12 months. 55 rated games in the past year (≈60/year long-term). Recent standard appearances include Japan Open 2025(Master Category), XLIV OPEN INTERNACIONAL "VILLA DE BENASQUE", and V Llinars International Chess Open Grup A. Also played 1 blitz event (including TORNEO BLITZ "VILLA DE BENASQUE" 2025) recently. His peak of 2125 was reached at age 17 (Feb 2025, #10 nationally at the time).
Competes for Japan since Nov 2024. At junior level, he reached #1, #1 and #2 nationally in U18, U16 and U14.
Current rating
2045
Standard
Rpd1921·Blz2003
All-time high
2125
−80 pts below
Feb 2025 · age 17
Feb 2025 · age 17
Activity
56
games / yr avg. · ≈5/mo
46 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
Top 10%
#21,359 · players worldwide · of 218,279
Career timeline
12 entries2025
Peak national rank: #10
at age 17 · rated 2125
Feb 2025
1st U18 player nationally
at age 17 · rated 2125
Feb 2025
Crossed 2100
at age 17
Feb 2025
All-time peak 2125
at age 17 · −80 from today
Feb 2025
2024
Switched federation: PAN → JPN
at age 16
Nov 2024
Best 12-month gain (+207 Elo)
1889 → 2096
Jul 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
-48
2093 → 2045
Tournaments
5
46 games
Score
24/ 4652.2%
19W10D17L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Sep 2025 | 3.5/9 | #25 | 2026 | -24.0 |
Open Swiss | Jul 2025 | 6.5/10 | #52 | 2061 | -15.5 |
Open Swiss | Jun 2025 | 5/9 | #18 | 2100 | -8.6 |
Open Swiss | Jun 2025 | 6/9 | #30 | 2197 | +40.3 |
Open Swiss | Jun 2025 | 3/9 | #115 | 1979 | -71.1 |
Worst Elo result: Internationales Pfingst-Open 2025 A im 3. Muenchner Schachfestival (-71.1 Elo, finished #115).
Most-Played Opponents
vsJose Bernardo Fabrega Van Der LaatCM
🇵🇦PAN·1909
+4 −2 =1
7 games·last met Dec 2023
View head-to-head →
vsAdrian Jafeth Miranda SamudioCM
🇵🇦PAN·1988
+1 −4 =1
6 games·last met Feb 2024
View head-to-head →
vsMariana Esther Lobo JimenezWFM
🇵🇦PAN·1833
+6 −0 =0
6 games·last met Feb 2024
View head-to-head →
vsAlexei Tapia OstolazaFM
🇵🇦PAN·2188
+0 −4 =1
5 games·last met Nov 2023
View head-to-head →
Rankings
/
Japan
#20
out of 254 players
Asia-Pacific
#2,782
in continent
World
#21,359
out of 400,000+
National ranking
Europe & World
Europe
World
Japan
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| ... | ||
| 20 | 2,045 | |
Asia-Pacific
| 1 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 1 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 3 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 4 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 5 | 🇮🇳Follow Viswanathan AnandTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇨🇳Follow Liren DingTrack their monthly FIDE ratings, games, tournaments and more. | 2,738 |
| 7 | 🇮🇳Follow Praggnanandhaa RTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
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| 9 | 🇮🇳Follow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
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| ... | ||
| 2782 | 2,045 | |
World
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| 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 |
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| 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 |
| ... | ||
| 21359 | 2,045 | |