Format
OS
Okubo, Sui
🇯🇵FIDE 7007175· Male· Japan· Born in 2018
Follow Sui OkuboTrack his monthly FIDE ratings, games, tournaments and more.
Sui Okubo, a 8-year-old player, is rated 1517 — just 18 short of his peak of 1535 (May 2026, age 8). He plays occasionally (8 games in the last 12 months). Recent appearance: 2025 CTCA International Chess Open-Age Group U11GU11U9GU9U7GU7. Also played 1 rapid (including Asian Amateur Chess Championships 2025 - Open Rapid) and 2 blitz events (including 2025 CTCA International Chess Open-Blitz) recently.
At junior level, he reached #1 nationally in U8.
Current rating
1517
Standard
Rpd1550·Blz1511
All-time high
1535
−18 pts below
May 2026 · age 8
May 2026 · age 8
Activity
9
games / yr avg. · ≈1/mo
8 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#179,089
#179,089 · players worldwide · of 218,279
Career timeline
8 entries2026
Best 12-month gain (+40 Elo)
1477 → 1517
Jun 2026
Re-crossed 1500
at age 8
May 2026
All-time peak 1535
at age 8 · −18 from today
May 2026
1st U8 player nationally
at age 8 · rated 1534
Jan 2026
2025
Crossed 1500
at age 7
Oct 2025
Crossed 1400
at age 7
Aug 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
+40
1477 → 1517
Tournaments
2
22 games
Score
6.5/ 2229.5%
9W2D11L
Top 1 win
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 0.5/2 | #76 | 1580 | -18.0 |
Open Swiss | Jul 2025 | 6/2 | #5 | 1532 | 0.0 |
Rankings
/
Japan
#196
out of 254 players
Asia-Pacific
#34,804
in continent
World
#179,047
out of 400,000+
National ranking
Europe & World
Europe
World
Japan
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Asia-Pacific
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| ... | ||
| 34804 | 1,517 | |
World
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