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 1535 — his current career high. He plays occasionally (6 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
1535
Standard
Rpd1550·Blz1511
All-time high
1535
at best
May 2026 · age 8
May 2026 · age 8
Activity
7
games / yr avg. · ≈1/mo
6 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#171,245
#171,245 · players worldwide · of 216,808
Career timeline
8 entries2026
Best 12-month gain (+58 Elo)
1477 → 1535
May 2026
Re-crossed 1500
at age 8
May 2026
All-time peak 1535
at age 8
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
Last 12 months — activity & highlights
Top opponent
Evolution
+58
1477 → 1535
Tournaments
1
18 games
Score
6/ 1833.3%
9W1D8L
Top 1 win
Top 1 loss
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Jul 2025 | 6/2 | #5 | 1532 | 0.0 |
Rankings
/
Japan
#178
out of 241 players
Asia-Pacific
#32,032
in continent
World
#171,211
out of 400,000+
National ranking
Europe & World
Europe
World
Japan
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| ... | ||
| 178 | 1,535 | |
Asia-Pacific
| 1 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 2 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 3 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 4 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,751 |
| 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. | 2,733 |
| 8 | 🇮🇳Follow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more. | 2,732 |
| 9 | 🇻🇳Follow Quang Liem LeTrack their monthly FIDE ratings, games, tournaments and more. | 2,731 |
| 10 | 🇷🇺Follow Ian NepomniachtchiTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| ... | ||
| 32032 | 1,535 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 10 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 171211 | 1,535 | |